Prince George's assessment appeals start with Maryland SDAT, not with the county's billing or finance office. A homeowner has 45 days from the date on a new assessment notice to file at the Supervisor's level. The owner may discuss the case by telephone, video, in person, or written submission and can obtain a property worksheet and area sales analysis without charge. FairPath can convert those records, selected comparables, and condition documents into a manual evidence packet. The homeowner still decides the total market value requested, files with the Upper Marlboro SDAT office on time, participates in the conference, and observes the separate deadline for any second-level appeal.
Assessment context: Prince George's is divided among Maryland's rotating reassessment areas, with increases phased over a three-year cycle. Verify the account, notice date, new total market value, phased assessment, land and improvement details, property characteristics, and effective year. Inside-the-Beltway communities, Metro station areas, Bowie subdivisions, established municipalities, southern rural land, and properties near federal employment, major roads, or airports reflect different demand. Municipality, transit, school influence, lot, floodplain, noise, utilities, renovation, condition, and accessory improvements can matter. The assessment appeal reviews value and classification facts; county or municipal tax rates, Homestead Tax Credit effects, and the amount of a bill are separate calculations.
Filing process: Submit the appeal form enclosed with the notice, use the state service, or file with Prince George's County Assessments at 14735 Main Street, Suite 354B, Upper Marlboro. It must be timely within 45 days. Retain delivery proof and request the SDAT worksheet and area sales list. Check the record before the Supervisor's hearing and identify every correction or market disagreement. After the final notice, a second-level Property Tax Assessment Appeal Board request generally must be filed within 30 days. New-owner and out-of-cycle review procedures have their own eligibility rules and should not be treated as automatic substitutes after the notice deadline expires.
Evidence to review: Use sales that match the subject's municipality, transit access, neighborhood, property type, and valuation period. Explain differences in lot, living area, age, construction, quality, renovation, basement, parking, accessory units, road or airport influence, flood exposure, and physical condition. Combine the SDAT area sales with any better owner-selected sales and show why each is relevant. Dated photographs, inspections, bids, permits, appraisals, leases, surveys, and maps can document facts absent from the worksheet. Keep phased assessment and tax credits out of the market adjustment calculation. End with a transparent opinion of total market value supported by an indexed exhibit set.
Current deadline guidance: 45 days from the assessment notice date. A Prince George's County first-level assessment appeal must reach the local Maryland SDAT office within 45 days of the date on the notice. A further appeal to the Property Tax Assessment Appeal Board generally has a 30-day deadline after the final notice.
Prince George's first-level appeals go to Maryland SDAT's Upper Marlboro office.
Each notice creates a forty five day deadline rather than a single county annual cutoff.
Maryland's triennial reassessment areas and phase-in can make notice value differ from the immediate taxable amount.
Metro, Beltway, municipal, airport, suburban, and rural influences divide the county into distinct markets.
Official filing authority: Maryland SDAT Prince George's County Assessment Office. https://assessmentappeals.dat.maryland.gov/start.aspx
Source: Maryland Department of Assessments and Taxation, Property Owner's Bill of Rights, https://dat.maryland.gov/realproperty/Pages/Bill-of-Rights.aspx. Reviewed 2026-07-16.
Source: Maryland Department of Assessments and Taxation, Prince George's County Reassessment Areas, https://dat.maryland.gov/realproperty/pages/prince-georges-county-reassessment-areas.aspx. Reviewed 2026-07-16.
Source: Maryland Department of Assessments and Taxation, Questions and Answers About Real Property Assessments, https://dat.maryland.gov/realproperty/Pages/Questions-and-Answers-About-Real-Property-Assessments.aspx. Reviewed 2026-07-16.