Frederick 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.

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; Frederick County states annual and semiannual bills are mailed in July and posted online by July 1; supplemental bills are mailed in August.
Payment deadline
2026 tax year: annual and semiannual bills are due by September 30, 2026; the county states unpaid accounts accrue interest beginning October 1, and supplemental/revised bills are due 30 days after issue.
Assessment appeal
Within 45 days of the date on the Maryland SDAT Notice of Assessment; Frederick County directs assessment appeals to SDAT at 301-815-5350.
Rate information
FY2026–2027 county rate $1.1100 + Maryland state rate $0.1120 = $1.2220 per $100 assessed value outside Frederick City and Myersville; municipal differentials apply.
More payment & deadline guidance →

Exemptions & appeals

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

Homestead eligibility is a one-time SDAT application; the 2026 Maryland Homeowners' Property Tax Credit application deadline is October 1, 2026.

Senior relief

Frederick County Senior Tax Credit: qualifying homeowners age 65+ may receive 20% of net county real-property taxes; the county also offers a deferral of county-tax increases for qualifying residents age 65+ or permanently and totally disabled who have occupied the home at least 5 consecutive years.

Valuation limits

Frederick County limits eligible owner-occupied county taxable-assessment increases to 5%; Maryland limits the state portion to 10%, and municipal caps range from 0% to 10% depending on the municipality.

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

More exemption & appeal guidance →