Frederick County, MarylandProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
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.
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 →