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Washington County, MarylandProperty records & tax offices

Find the right property record

Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.

Property lookup help →Find a parcel number →

Tax bills & filing dates

These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.

Tax bill mailing
July 2026; Washington County states annual real-estate tax bills are mailed each July.
Payment deadline
FY2027 taxes are due July 1, 2026 and become delinquent October 1, 2026. For eligible principal residences, the first semiannual payment is due September 30, 2026 and the second is due December 31, 2026. The 2026 Washington County tax sale is June 2, 2026.
Assessment appeal
Appeal the SDAT assessment within 45 days of the 2026 notice date; Maryland Tax Court appeal is within 30 days of a Property Tax Assessment Appeals Board order. See https://assessmentappeals.dat.maryland.gov/start.aspx.
Rate information
FY2027 county real-property rate for July 1, 2026–June 30, 2027: $0.9280 per $100 assessed value; municipal rates vary.
More payment & deadline guidance →

Exemptions & appeals

View exemption application (opens in a new tab)
Exemption filing

One-time Homestead Tax Credit eligibility application through Maryland OneStop; the separate 2026 Maryland Homeowners' Property Tax Credit application deadline is October 1, 2026. See https://dat.maryland.gov/realproperty/Pages/Maryland-Homestead-Tax-Credit.aspx.

Valuation limits

FY2027 local Homestead Credit cap is 5%; Maryland's state cap is 10%. The credit limits taxable-assessment increases for an eligible principal residence, not market value. Source: https://dat.maryland.gov/Documents/Accessible%20Documents/Real%20Property%20Reports/Tax%20Rates%20and%20Homestead%20Cap%20Percentages/County%20%26%20Municipal%20property%20tax%20rates%20in%20effect%20for%20July%201%2C%202026%20tax%20bills_0726-A.pdf.

For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.