Mayor Vincent C. Gray

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Office of the Chief Technology Officer


Office Hours
Monday through Friday, 8:30 am - 5:30 pm

How to Reach Us
200 I Street, SE
5th Floor
Washington, DC 20003
octo@dc.gov

Phone: (202) 727-2277
Fax: (202) 727-6857
TTY: 711

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Website: http://octo.dc.gov

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Rob Mancini
Chief Technology Officer

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October 08, 2008

Geospatial Data Published in October of 2008 

OCTO works to keep geospatial data current and introduces new and valuable GIS layers to the District government and public.

Story at a Glance 

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Learn about the most recent GIS data updates to the District's comprehensive geospatial database.

The DC GIS program operates a data maintenance and enhancement program to keep data current and introduce new and valuable GIS layers to the District government and public. The most recent data additions and updates to the DC GIS data services are:

  • Air Rights Lots
  • Alley Frontage
  • Building Restrictions
  • CAMA Commercial*
  • CAMA Residential*
  • CAMA Condominium*
  • Highway Plan
  • Owner Points
  • Owner Polygons
  • Parcel Lots
  • Reservations
  • Sale Points
  • Square Boundaries
  • Tax Lots

* CAMA - Computer Aided Mass Appraisal

The data is accessible through the DC GIS Data Clearinghouse/Catalog. Enter a keyword or layer name into the search field to return metadata and download options. Download options are available for both ESRI and Google formats. DC GIS data can also filtered by layer theme for grouped results. The advanced search allows for specialized searching.