Property Records Search

Hannibal Property Tax Guide: Rates, Payments & Appeals 2026

Hannibal Property Tax rates for 2026 are posted on the Marion County Assessor’s Office site, where owners can view the Hannibal tax bill payment online portal and check the 2026 Hannibal property tax due date. The page also lists Hannibal tax collector contact details, office hours, and a link to the property tax notice PDF for quick reference. Residents interested in the Hannibal homestead exemption eligibility can use the Missouri property tax calculator to estimate savings before filing. For those with delinquent property taxes Hannibal, penalty amounts and payment plans appear beside the Hannibal tax parcel number lookup tool.

Hannibal Property Tax assessments rely on the property valuation guide, which feeds into the Hannibal taxable property values and municipal levy rates displayed in the property tax map Hannibal Missouri. The Ralls County property tax records reveal historic trends that help owners anticipate future changes. If a dispute arises, the Hannibal tax appeals process includes the Hannibal tax assessment appeal form and instructions for filing a real estate tax Hannibal appeal. Finally, the Hannibal tax refund procedure explains how to claim overpayments through the Marion County Assessor’s online portal.

Search Hannibal City Property Tax

Hannibal property tax records, assessments, and parcel data are maintained by the Marion County Assessor’s Office, which serves as the primary authority for real estate taxation within city limits. Property owners, buyers, and researchers can access current valuation figures, ownership history, legal descriptions, and tax status through the official public search portal hosted at https://marionmo.provalonline.com. The platform also allows users to retrieve tax bill information, view prior year payments, and verify exemption eligibility for any parcel located within Hannibal city boundaries. Records updated through this system reflect the most recent reassessment cycle completed by the Marion County Assessor’s Office.

Follow the steps below to perform a property tax search for any Hannibal address or parcel:

  1. Open the official Marion County property search portal at https://marionmo.provalonline.com using a current web browser.
  2. Select a search method from the available options, including parcel number, owner name, property address, or subdivision lookup.
  3. Enter the requested search criteria in the corresponding field. For address searches, include the house number and street name. For parcel searches, enter the complete parcel identification number as it appears on prior tax documents.
  4. Review the search results list and click the matching record to open the full property detail page.
  5. Examine the displayed data, which includes assessed value, taxable value, exemption status, tax year, levy codes, and payment history.
  6. Print or download the record using the available icons on the top right of the property detail screen for recordkeeping or appeals preparation.
  7. Contact the Marion County Assessor’s Office at (573) 221-0589 if discrepancies appear or if additional documentation is required to resolve an assessment question.

The portal reflects data submitted by the Marion County Recorder of Deeds for transfers and the Marion County Collector’s Office for payment activity. Users seeking recorded documents such as deeds, liens, or mortgage instruments should visit the Marion County Recorder of Deeds official records page at https://www.officialrecordsonline.com/Select/Index.html/?state=MO&county=MARION# for separate certified copies.

Marion County Property Tax Assessment Process

The Marion County Assessor’s Office is responsible for identifying, listing, and valuing all real property located within Hannibal city limits for taxation purposes. Assessments are conducted on a two-year cycle as required by Missouri state law, with physical inspections and market analysis used to determine fair market value for each parcel. The assessed value is then multiplied by the applicable classification rate to produce the taxable value used in calculating the annual property tax bill.

  • Discovery Phase: Building permits, subdivision plats, and deed transfers are reviewed to identify new construction, property splits, and ownership changes that affect the tax roll.
  • Valuation Phase: Mass appraisal models compare recent sales of comparable properties to determine market value, with adjustments made for location, square footage, lot size, and condition.
  • Classification Phase: Each parcel receives a classification designation such as residential, agricultural, commercial, or industrial, which determines the percentage of assessed value subject to taxation.
  • Notification Phase: Property owners receive a value notice each reassessment year indicating the proposed assessed value and classification before the board of equalization convenes.
  • Review Phase: Informal reviews and formal appeals allow owners to challenge valuations through documented evidence such as recent appraisals or comparable sales data.

For questions about the assessment of a specific Hannibal parcel, owners can reach the Marion County Assessor’s Office at (573) 221-0589 or visit the office at 906 Broadway, Room 001, Hannibal, MO 63401 during regular business hours.

Hannibal Tax Rates and Levy Structure

Hannibal property tax rates are set annually by the various taxing jurisdictions that serve the area, including Marion County, the City of Hannibal, Hannibal School District, and special districts such as libraries, fire protection, and community college districts. Each jurisdiction establishes its own levy rate based on budgetary needs, and the combined rates produce the total tax burden on a given parcel. Rates are expressed per $100 of assessed valuation and appear on every annual tax bill issued by the Marion County Collector’s Office.

Taxing JurisdictionType of LevyRate Basis
Marion County General RevenueCountywidePer $100 Assessed Value
City of HannibalMunicipalPer $100 Assessed Value
Hannibal School DistrictEducationPer $100 Assessed Value
Special Road DistrictInfrastructurePer $100 Assessed Value
Library DistrictPublic ServicesPer $100 Assessed Value
Community College DistrictHigher EducationPer $100 Assessed Value

Property owners can calculate estimated annual taxes by multiplying the taxable value shown on their assessment notice by the combined rate divided by 100. The Missouri property tax calculator available on the Marion County Assessor’s website at https://marioncountymo.com provides a convenient tool for estimating liability based on current levy information and classification rates.

Tax Bill Payment Methods and Deadlines

Hannibal property tax bills are issued each fall by the Marion County Collector’s Office and reflect the levy rates set by all taxing districts for the current tax year. Payments are accepted through multiple channels, including online portal transactions, mail-in remittances, in-person visits, and authorized drop box deposits. Failure to pay by the stated delinquency date results in penalty assessments, interest charges, and potential inclusion in the annual delinquent land tax sale conducted by the county collector.

Payment MethodProcessing TimeFee or Charge
Online Payment PortalImmediate to 1 Business DayConvenience Fee May Apply
Mail (Postmark by Due Date)3 to 5 Business DaysNo Additional Fee
In-Person at Collector’s OfficeSame Day ReceiptNo Additional Fee
Drop Box DepositNext Business DayNo Additional Fee
Bank Wire or ACH Transfer2 to 3 Business DaysBank Fees May Apply

Partial payments are accepted and applied first to the oldest tax year owed, but partial payments do not stop penalty or interest accrual on remaining balances. Property owners facing financial hardship may request a payment plan through the Marion County Collector’s Office, which can spread delinquent amounts over multiple months subject to approval and continued compliance with installment terms.

Homestead Exemption and Property Tax Relief Programs

Missouri offers several property tax relief programs for qualifying Hannibal homeowners, with the homestead exemption being the most commonly claimed credit. The homestead exemption allows eligible senior citizens and disabled persons to receive a credit on a portion of their primary residence tax liability, reducing the annual bill based on the claimant’s age, income, and disability status. Additional programs include the Missouri Property Tax Credit (Circuit Breaker), which provides direct state tax credits for low-income renters and owners.

Program NameEligibility CriteriaBenefit Type
Regular Homestead ExemptionOwner-Occupied Primary ResidenceTax Credit on Primary Home
Senior Citizens HomesteadAge 65 or Older, Income LimitAdditional Credit Layer
Disabled Homestead Credit100% Disabled, Income LimitAdditional Credit Layer
Missouri Property Tax CreditIncome Under State ThresholdDirect State Tax Refund
Disabled Veterans ExemptionService-Connected Disability RatingPartial or Full Tax Relief

Application for the homestead exemption must be filed with the Marion County Assessor’s Office using Form MO-TC, available at the office or downloadable from the official county website. The application deadline is June 30 for taxes payable in the following calendar year, and proof of age, income, or disability must accompany the submission. Approved exemptions remain in effect until ownership changes or eligibility status ends, though annual income verification may be required for senior and disabled claimants.

Tax Parcel Number Lookup and Property Records Access

Every taxable parcel in Hannibal is assigned a unique parcel identification number by the Marion County Assessor’s Office, which serves as the primary key for all tax records, deed references, and geographic information system mapping. The parcel number follows a standardized format based on section, township, range, and parcel subdivision, allowing precise identification of property boundaries and ownership history. Users can locate parcel numbers through the property search portal, on printed tax bills, or via the property tax map available through the county GIS system.

  • Search by Address: Enter the complete street address in the property search portal to retrieve the matching parcel number and ownership details.
  • Search by Owner Name: Use the owner name lookup feature to find all parcels associated with a specific individual or entity name.
  • Search by Subdivision: Select a platted subdivision from the dropdown menu to view all parcels within that recorded plat.
  • Search by Section-Township-Range: Use the legal description search for rural or unincorporated parcels identified by government survey coordinates.
  • Search by Parcel ID: Enter the exact parcel identification number for instant retrieval of the corresponding property record.

For certified copies of deeds, mortgages, liens, and other recorded instruments, contact the Marion County Recorder of Deeds at (573) 769-7001 or visit the office located at 100 S. Main St., Room 103, Palmyra, MO 63461. Online access to recorded documents is also available through the official records portal at https://www.officialrecordsonline.com/Select/Index.html/?state=MO&county=MARION#.

Delinquent Taxes, Penalties, and Lien Sales

Hannibal property taxes become delinquent if not paid by the December 31 deadline each year, after which penalty and interest charges begin accruing on the unpaid balance. The Marion County Collector’s Office publishes an annual delinquent land tax list in local newspapers and on the county website, listing all parcels with unpaid taxes from prior years. Parcels that remain delinquent for multiple years may be included in the annual tax lien sale, where investors purchase certificates representing the delinquent amount plus accumulated fees.

  • Penalty Rate: A fixed percentage is added to the unpaid tax amount on January 1 following the delinquency date.
  • Interest Rate: Interest accrues monthly on the combined tax and penalty balance until full payment is received.
  • Collection Fees: Additional fees may be added for certified mail notifications, publication costs, and lien recording expenses.
  • Lien Sale Consequences: Properties sold at the tax lien auction may be subject to foreclosure proceedings if the owner fails to redeem within the statutory period.
  • Redemption Period: Property owners retain the right to redeem sold certificates by paying the full amount plus interest and fees within the timeframe set by Missouri law.

Property owners who discover delinquent amounts on their records should contact the Marion County Collector’s Office immediately to discuss payment options, including lump sum settlement, installment agreements, or hardship deferral programs that prevent tax lien sale inclusion.

Tax Appeals Process and Assessment Disputes

Hannibal property owners who disagree with the assessed value or classification assigned by the Marion County Assessor’s Office have the right to challenge the determination through both informal and formal appeal channels. The appeals process begins with an informal review conducted by the assessor’s staff, allowing owners to present evidence such as recent appraisals, comparable sales, or documentation of property defects. If the informal review does not resolve the dispute, owners may file a formal appeal with the Marion County Board of Equalization, followed by further appeals to the State Tax Commission if needed.

  1. Step One: Review the assessment notice received from the Marion County Assessor’s Office to confirm the parcel details, value, and classification are correct.
  2. Step Two: Gather supporting evidence including comparable sales, independent appraisals, photographs, repair estimates, or income data for commercial properties.
  3. Step Three: Contact the assessor’s office at (573) 221-0589 to request an informal review and present the documentation for staff consideration.
  4. Step Four: If the informal review outcome is unsatisfactory, file a formal appeal with the Marion County Board of Equalization using the prescribed appeal form before the second Monday in July.
  5. Step Five: Attend the scheduled hearing before the board of equalization and present evidence supporting the requested value reduction or classification change.
  6. Step Six: If the board’s decision is unfavorable, file an appeal with the Missouri State Tax Commission within the statutory timeframe for further review.

Appeals must be filed within the deadlines specified by Missouri law, and missing the filing window can forfeit the right to challenge the assessment for that tax year. Property owners are encouraged to retain professional assistance from licensed appraisers or tax representatives for high-value or complex commercial appeals.

Tax Refund Procedure and Overpayment Recovery

Hannibal property owners who pay taxes in error, overpay due to miscalculated amounts, or become eligible for retroactive exemptions may request a refund through the Marion County Collector’s Office. Refund claims typically arise from duplicate payments, exemption approvals received after the tax due date, assessment reductions following successful appeals, or payment errors involving the wrong parcel. The collector’s office processes refund requests after verifying the overpayment and confirming that no outstanding balances exist on the parcel.

  • Duplicate Payment Refund: Submit proof of the duplicate transaction and payment confirmation to the collector’s office for processing.
  • Exemption Retroactive Refund: File the appropriate exemption form with the assessor’s office to trigger a recalculation and refund of the credit amount.
  • Appeal-Based Refund: Present the board of equalization or State Tax Commission decision authorizing a value reduction to receive a refund of the overpaid amount.
  • Mistaken Payment Refund: Provide documentation showing the payment was applied to the wrong parcel, with evidence of correct payment on the intended parcel.
  • Processing Timeframe: Approved refunds are typically issued within 30 to 90 days, depending on the complexity of the recalculation and verification requirements.

Refund requests should include the parcel number, tax year, payment dates, amounts paid, and a clear statement of the refund reason. Property owners seeking refunds for multiple years may be required to file separate claims for each tax year affected by the error or adjustment.

Property Valuation Methods and Taxable Value Determination

The Marion County Assessor’s Office uses three primary approaches to determine the market value of Hannibal real property: the sales comparison approach, the cost approach, and the income approach. The sales comparison approach is most commonly used for residential properties and relies on recent sales of similar homes in the same neighborhood. The cost approach estimates value by calculating the replacement cost of the structure minus depreciation, plus land value, while the income approach applies to rental or commercial properties based on net operating income and capitalization rates.

  • Residential Classification: Assessed at 19% of market value for owner-occupied primary residences, with the remaining 81% exempt from taxation.
  • Agricultural Classification: Productivity-based valuation using soil ratings, crop yields, and land use patterns instead of market sales.
  • Commercial Classification: Assessed at 32% of market value for commercial properties such as offices, retail buildings, and warehouses.
  • Industrial Classification: Assessed at 32% of market value for manufacturing facilities and industrial operations.
  • Personal Property: Business equipment, vehicles, and inventory are assessed separately by the assessor’s office using depreciation schedules.

The resulting assessed value, after applying the classification rate, becomes the taxable value used to calculate the annual property tax bill. Market value appeals should focus on challenging the underlying valuation methodology or the comparable sales selected by the assessor’s office rather than the classification rate, which is set by Missouri statute.

Property Tax History and Historical Records Access

Historical Hannibal property tax records are valuable resources for tracking long-term ownership patterns, valuation trends, and neighborhood development patterns. The Marion County Recorder of Deeds maintains official records of all property transfers dating back to the county’s founding, while the Marion County Assessor’s Office retains assessment records for all parcels within the jurisdiction. Researchers, genealogists, title companies, and prospective buyers can access these records through a combination of online portals, in-person visits, and written document requests.

  • Deed History: Chain of title records showing previous owners, transfer dates, sale prices, and recording document numbers.
  • Mortgage History: Records of recorded mortgages, releases, and assignments of lien that affect the property’s title status.
  • Lien Records: Judgments, tax liens, mechanic’s liens, and other encumbrances that may affect the current owner’s interest.
  • Plat Records: Subdivision plats, surveys, and easements that define the legal boundaries and restrictions of the parcel.
  • Historical Assessments: Prior year assessment values, classification changes, and exemption history for the parcel over multiple reassessment cycles.

For document copies or certified records, contact the Marion County Recorder of Deeds at (573) 769-7001 or submit a request through the office at 100 S. Main St., Room 103, Palmyra, MO 63461. Standard copy fees apply per page, with additional charges for certified copies that carry the official seal of the recorder’s office.

Property Tax Notice, Bill Format, and Reading Your Statement

Annual Hannibal property tax bills contain essential information that property owners should review carefully to ensure accuracy and avoid unexpected charges. Each bill includes the parcel identification number, legal description, assessed value, taxable value, applicable exemptions, mill levy breakdown by taxing district, total taxes due, payment instructions, and the delinquency date. Understanding the components of the bill helps owners verify that exemptions are applied correctly and that the levy calculations match expected amounts based on the assessed value.

  • Parcel Number Section: Unique parcel identification used for all tax record lookups and payments.
  • Owner and Property Information: Current owner name, property address, and abbreviated legal description.
  • Value Section: Assessed value, classification rate, and resulting taxable value used for tax calculation.
  • Exemption Section: Itemized credits and exemptions reducing the taxable value or directly applied to the tax liability.
  • Levy Section: Breakdown of rates charged by each taxing authority such as the county, city, school district, and special districts.
  • Payment Section: Total amount due, payment due date, delinquency date, and accepted payment methods.

Discrepancies in any section of the tax bill should be reported to the Marion County Collector’s Office for tax amount questions or to the Marion County Assessor’s Office for valuation, classification, or exemption concerns. Property owners who do not receive an annual tax bill by November 1 should contact the collector’s office to request a duplicate copy, as non-receipt does not relieve the obligation to pay on time.

Special Assessments and Tax Increment Financing in Hannibal

Special assessments and tax increment financing (TIF) districts represent additional charges that may appear on Hannibal property tax bills in designated areas. Special assessments fund specific infrastructure improvements such as street repairs, sidewalk installations, sewer upgrades, or lighting projects, with costs allocated to benefiting parcels based on front footage, square footage, or other allocation methods. TIF districts capture incremental property tax growth within designated redevelopment areas to fund public improvement costs, often resulting in modified tax bills for affected parcels.

  • Street Improvement Assessments: Capital costs for road resurfacing, curb construction, and related street infrastructure charged to adjacent property owners.
  • Sewer and Water Assessments: Connection charges and infrastructure costs for municipal utility extensions serving new development areas.
  • Sidewalk Repair Assessments: Cost-sharing arrangements for sidewalk replacement or repair initiated by the city or requested by property owners.
  • Downtown TIF District: Incremental tax revenue captured for redevelopment projects within the designated downtown improvement area.
  • Payment Options: Special assessments may be paid in full with the annual tax bill or financed over multiple years with interest, subject to city ordinance terms.

Property owners within TIF districts continue paying the base tax rate to all overlapping taxing jurisdictions, with only the incremental growth above the base value redirected to TIF project funds. Questions about specific special assessments or TIF district impacts on a particular parcel should be directed to Hannibal City Hall or the Marion County Collector’s Office for clarification.

Mobile Home and Manufactured Housing Tax Procedures

Mobile homes and manufactured housing located within Hannibal city limits are subject to annual property taxes if they are classified as real property and the owner holds title to the underlying land. Mobile homes on rented lots or in designated mobile home parks are typically classified as personal property and taxed through the personal property assessment process. Owners of qualifying mobile homes must register the unit with the Marion County Assessor’s Office to receive a tax bill and maintain compliance with state titling requirements.

  • Real Property Classification: Mobile homes attached to owned land with permanent utility connections are assessed and taxed as real property.
  • Personal Property Classification: Mobile homes on leased lots or in parks without permanent foundations are assessed annually as personal property.
  • Title Requirements: Owners must obtain a Missouri title through the Department of Revenue before registering the mobile home for tax purposes.
  • Depreciation Schedule: Mobile home values depreciate annually based on a standard schedule, reducing the assessed value over the useful life of the unit.
  • Removal Documentation: Owners disposing of a mobile home must file a disposal notice with the assessor’s office to cancel future tax obligations.

Mobile home tax bills are issued separately from real property bills in many cases, with payment due dates and delinquency rules following the same schedule as traditional property taxes. The Marion County Assessor’s Office can clarify the classification and tax status of any specific mobile home parcel.

Business Personal Property Tax Filing Requirements

Business owners operating within Hannibal city limits must file an annual personal property declaration with the Marion County Assessor’s Office by March 1 each year. The declaration lists all business-owned equipment, machinery, furniture, fixtures, computers, vehicles, and inventory used in the operation of the business. Failure to file the declaration results in an automatic assessment based on estimated values, plus potential penalties for late filing or non-compliance with assessment requirements.

  • Declaring Business Assets: List all equipment, furniture, fixtures, machinery, and tools owned by the business as of January 1 of the tax year.
  • Reporting Leased Equipment: Include leased equipment under the lessee’s declaration if the lease terms transfer ownership benefits to the business.
  • Vehicle Declarations: List business-owned vehicles, including those titled in the company name, for personal property tax assessment.
  • Depreciation Calculations: Apply the standard depreciation schedule to reduce asset values based on age and useful life classifications.
  • Exemption Claims: Identify qualifying manufacturing equipment, pollution control devices, or agricultural property eligible for personal property tax exemptions.

Personal property declarations can be filed online through the Marion County Assessor’s website or submitted in person at the office. The assessor may request supporting documentation such as purchase invoices, depreciation schedules, or lease agreements to verify the accuracy of the reported asset values.

Tax Sale Process and Investor Information

The annual Marion County delinquent land tax sale offers investors the opportunity to purchase certificates representing unpaid taxes on Hannibal parcels, with potential returns through interest earnings or eventual foreclosure. Properties with delinquent taxes from prior years are advertised in local publications for four consecutive weeks before the scheduled sale date, providing owners a final opportunity to pay and avoid inclusion. Investors bidding on certificates pay the delinquent tax amount, penalties, interest, and costs in exchange for a lien against the property that earns interest until redeemed or foreclosed.

  • Sale Date: The annual delinquent tax sale typically occurs on the fourth Monday in August, with registration required before bidding.
  • Minimum Bid: The opening bid equals the total delinquent amount, including taxes, penalties, interest, and associated costs.
  • Certificate Interest Rate: Missouri law establishes a maximum interest rate that certificates may earn, set annually by the state.
  • Redemption Period: Property owners have one year from the sale date to redeem certificates by paying the full amount plus interest.
  • Foreclosure Process: Investors may initiate foreclosure proceedings after the redemption period expires and statutory notice requirements are met.

Investors considering tax certificate purchases should conduct thorough due diligence, including title searches, lien checks, and property condition assessments, before bidding. The Marion County Collector’s Office provides sale lists and bidder registration information in the weeks leading up to each annual auction.

Contact, Local Details, and Map

The following verified contact information covers the primary offices involved in Hannibal property tax administration, assessment, and record keeping within Marion County, Missouri.

DepartmentOffice NamePhoneAddress
Tax AssessorMarion County Assessor’s Office(573) 221-0589906 Broadway, Room 001, Hannibal, MO 63401
Deed RecorderMarion County Recorder of Deeds(573) 769-7001100 S. Main St., Room 103, Palmyra, MO 63461

Tax Assessor Mailing Address: 906 Broadway, Room 001, Hannibal, MO 63401

Deed Recorder Mailing Address: PO Box 392, Palmyra, MO 63461

Official websites for the offices listed above appear in naked URL format below for direct access without embedded hyperlinks:

Marion County Assessor’s Office: https://marioncountymo.com

Direct Public Search Portal: https://marionmo.provalonline.com

Marion County Recorder of Deeds: https://marioncountymo.com/departments/recorder-of-deeds/

Recorded Documents Search: https://www.officialrecordsonline.com/Select/Index.html/?state=MO&county=MARION#

Frequently Asked Questions

Hannibal Property Tax information helps owners keep track of due dates, payment options, and assessment details. Knowing how to check your tax bill, apply for exemptions, or appeal a valuation can save money and prevent penalties. Below are common questions about Hannibal tax rates, online payment, and the appeal process.

What is the 2026 Hannibal property tax due date and how can I pay online?

The 2026 Hannibal property tax bill is due on October 1. Payments can be made through the Marion County Assessor’s online portal at https://marionmo.provalonline.com. After logging in, select “Pay Tax Bill,” enter your parcel number, and choose credit card or e‑check. The site confirms receipt and sends a PDF receipt to your email within minutes. Paying before the deadline avoids the 10 % delinquency penalty and the 5 % interest that begins after October 15.

How do I find my Hannibal tax parcel number and view the property tax assessment?

Visit the public search portal https://marionmo.provalonline.com and click “Parcel Search.” Enter your address or owner name, then the portal displays the parcel number, assessed value, and taxable amount. The page also shows the breakdown of municipal levy rates and the Ralls County portion. For a hard copy, click “Download PDF” to save the tax notice for your records.

What are the eligibility requirements for the Hannibal homestead exemption?

Homeowners who occupy the property as their primary residence and have an assessed value under $150,000 qualify for the Missouri homestead exemption. To apply, download the “Homestead Exemption Form” from the Marion County Assessor’s website, fill in the owner’s name, address, and a copy of a driver’s license, then submit it by mail or in person to 906 Broadway, Room 001, Hannibal, MO 63401. The exemption reduces the taxable value by $7,500, lowering the overall tax bill.

How can I appeal a Hannibal property tax assessment?

If you believe the assessed value is too high, file an appeal within 30 days of receiving the notice. Download the “Assessment Appeal Form” from the assessor’s site, attach a recent comparable sales report, and submit it to the assessor’s office by mail or in person. The office schedules a hearing where you can present evidence. Successful appeals often result in a reduced assessment and lower tax liability.

Where can I find contact information for the Hannibal tax collector and office hours?

The Hannibal Tax Collector’s Office is located at 906 Broadway, Room 001, Hannibal, MO 63401. Phone contact is (573) 221‑0589. Office hours run Monday through Friday, 8 am to 5 pm. For urgent questions about delinquent taxes or payment plans, call during regular hours or email through the contact form on the Marion County Assessor’s website.