District of Columbia property tax
Start with your county. Published tax dates and rules link to the official source.
Statewide rules
✓ Verified — Last verified October 24, 2026
Penalty statute
Official source. Verified .
Appeal process
Official source. Verified .
Who may represent homeowners
Official source. Verified .
Homestead Deduction
Official source. Verified .
Tools and Census comparisons
Property tax calculators | Compare counties
Highest estimated rates in District of Columbia | Lowest estimated rates in District of Columbia
Every county page includes a Census bill estimate and assessment check where usable survey estimates are available.
Counties and county equivalents
- District of ColumbiaNot yet verified
Common questions
How do property tax appeals work in District of Columbia?
After OTR's first administrative appeal, an unresolved value dispute may proceed to the Real Property Tax Appeals Commission.
Who may represent a homeowner in a District of Columbia property tax appeal?
An owner's representative/agent must attach the authorization form to the RPTAC appeal.
Sources
The penalty for late payment of real property tax is 10 percent of the tax, and the interest for late payment is 1.5 percent per month.
Verified October 24, 2026
If the appraiser and the property owner, or party of interest, do not agree with the final proposed value following the administrative appeal, the property owner may proceed to the Real Property Tax Appeals Commission (RPTAC).
Verified October 24, 2026
If you are a representative/agent for the owner, the Authorization Form [PDF] must be attached to the appeal.
Verified October 24, 2026
The property must be occupied by the owner/applicant and contain no more than five dwelling units (including the unit occupied by the owner); and, The property must be the principal residence (domicile) of the owner/applicant.
Verified October 24, 2026