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DC GIS Master Address Repository

Find a DC location using a method shown below.  Learn more about the District of Columbia Master Address Repository.

 
 
Location Types
Street Address
Street Address
STREET ADDRESS: An address consists of a street number, a street name, and a quadrant (NE, NW, SE, SW). The address number and street name are required. Every address in the MAR as also been assigned an AID# (Address Identification Number) which can be used to retrieve additional data about that address.

Example: 441 4th ST NW
Intersection
Intersection
INTERSECTION: An Intersection consists of two streets

Example: 14th ST NW and Pennsylvania Avenue NW, or 14th ST NW & Pennsylvania Avenue NW
Block
Block
BLOCK: A block consists of a street and any other cross streets.

Example:  4th ST NW from D Street NW to E Street NW or 400 Block of 4th St NW
 

Place Name
PLACE NAME: A place name consists of common place names and public/institutional building names.

Example:  "White House" or "Dupont Circle" or "Wilson Building"
or "Wilson High School" or "Woodrow Wilson House"