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Howard 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; Howard County's Finance information states annual and semiannual bills are mailed in July and posted online by July 1.
Payment deadline
2026 tax year begins July 1, 2026; annual bills and first semiannual installments are due September 30, 2026; the second semiannual installment is due December 31, 2026; interest and penalties begin after the applicable due date.
Assessment appeal
Within 45 days of the date on the Maryland SDAT Notice of Assessment; Howard County directs assessment appeals to SDAT.
Rate information
FY2025–2026 published county rate $1.0440 + Maryland state rate $0.1120 = $1.1560 per $100 assessed value; FY2026–2027 rate was not separately verified in the reviewed official source.
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Exemptions & appeals

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

Homestead application must be on file with SDAT; Howard County states May 1, 2026 for the county Income Tax Offset Credit on bills beginning July 1, 2026; the 2026 Maryland Homeowners' Property Tax Credit deadline is October 1, 2026.

Senior relief

Howard County Senior Tax Credit: one owner age 65+ by June 30 of the tax year, principal residence, combined gross household income generally no more than $60,000 and net worth no more than $200,000 excluding the home and qualified retirement assets; credit is 25% of eligible county tax after Homestead Credit. A separate Aging in Place credit is available to qualifying 65+ owners with 30 years in the dwelling.

Valuation limits

Howard County limits eligible owner-occupied county taxable-assessment increases to 5%; Maryland's state portion is capped at 10%.

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 →