District of Columbia Property Appraisers & Tax Directory
Directory of all 1 counties in District of Columbia. Access local property valuation administrators, parcel search GIS maps, and tax appeal boards.
County Property Tax Calculator
Estimated using County's effective tax rate of 0.57% (Assessment ratio: 100%)
District of Columbia County Assessors Directory
Select your county to view the local property appraiser office and parcel search portal.
District of Columbia Property Tax Laws & Rules
Standard Homestead Deduction reduces the residential assessed value by $84,000. Assessment increases capped at 10% annually.
Senior / Disabled Tax Relief reduces property tax liability by 50% for qualifying seniors 65+ with household income under $154,750.
April 1 following the mailing of real property assessment notices in March.
Appeals are filed before the: Real Property Tax Appeals Commission (RPTAC).
Frequently Asked Questions
What is the average property tax rate in District of Columbia?
The average effective property tax rate in District of Columbia is approximately 0.57%. Actual tax bills depend on your county, municipality, and local school district levies.
How are properties assessed in District of Columbia?
Under District of Columbia law, properties are assessed at a statutory assessment ratio of 100% of fair market value by the local Office of Tax and Revenue - Real Property Tax Administration.
When is the deadline to appeal property taxes in District of Columbia?
In District of Columbia, property valuation appeals must generally be filed by: April 1 following the mailing of real property assessment notices in March. Appeals are heard by the local Real Property Tax Appeals Commission (RPTAC).
What homestead exemptions are available in District of Columbia?
Standard Homestead Deduction reduces the residential assessed value by $84,000. Assessment increases capped at 10% annually.
State Tax Authority
Agency: DC Office of Tax and Revenue (OTR)
Visit Official State Tax Agency