Find or Verify an Address

Our office will be happy to assist you over the phone if you have questions regarding addresses, however, we also provide a web map product. This web map is administered through the Washington County GIS Office. If you have issues with the map functioning please contact their office at (240) 313-2278. If you have questions regarding the data in the map please call our office at (240) 313-2439.

Obtaining an Address

• Addresses in Washington County are done at the time of permit application for a building. Only habitable buildings are addressed.
• Washington County does NOT address vacant land.
• Addresses and their numbers are based off of our grid system and where your driveway or access intersects a named road.
• If you need an address assigned for Emergency Services Purposes, please contact our office.

Address Verification

• Our office does provide address verifications to property owners should they be required.
• If you would like a copy of an address change letter previously provided to you, please contact our office.

Contact Us…Please contact our office at (240) 313-2439 or email us. When contacting our office be sure to include your current address and any parcel information (map, block and parcel number or tax account id) you may have.