Harford 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 1, 2026; Harford County states property-tax bills are mailed July 1 each year.
Payment deadline
2026 tax year: property owners have until September 30, 2026 to pay without additional costs; unpaid properties are prepared for the county tax sale after April 1, 2027.
Assessment appeal
Within 45 days of the date on the Maryland SDAT Notice of Assessment; Harford County states assessment appeals go to the Property Tax Assessment Appeals Board.
Rate information
FY2025–2026 published county rate $0.9779 + Maryland state rate $0.1120 = $1.0899 per $100 assessed value; FY2026–2027 rate was not separately verified in the reviewed official source, and municipal differentials apply.
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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 deadline is October 1, 2026; Harford County senior/veteran credit applications are generally due April 1 for the fiscal year.

Senior relief

Harford County offers a 20% property-tax credit for qualifying senior citizens and veterans, along with state Homeowners' and Homestead credits; exact FY2026 senior eligibility thresholds were not reproduced on the reviewed property-tax page.

Valuation limits

Harford County's homestead cap is 5% for eligible owner-occupied county taxable assessments; Maryland caps the state portion at 10%, and municipal caps vary.

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 →