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Office of the Chief Technology Officer
 

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Data, Demographics and Maps icon
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Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

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Middle and high school students can get their DC One Cards at school.

Police Service Area Finder
Police Service Area (PSA) Finder logo

Cada residente vive en un Área de Servicio Policial (PSA),

Police Service Area Finder
Police Service Area (PSA) Finder logo

Cư dân nào cũng sống trong một Khu vực Dịch vụ Cảnh sát (PSA) và mỗi PSA đều có một đội ngũ cảnh sát viên và quan chức được chỉ định. Mỗi quận cảnh sát có từ 7 đến 9 PSA. Có tổng cộng 56 PSA ở Đặc khu Columbia.

Technology icon
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DC GIS, under the OCTO Digital Services program, provides the public a 'one-stop shop' for geospatial data.

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DC GIS, under the OCTO Digital Services program, provides the public a 'one-stop shop' for geospatial data.

Schools Education
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Manage DC One Card associated services from a single location.

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The DC Office of Zoning (DCOZ) is proud to introduce a new and improved comprehensive zoning map for the District of Columbia.

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DC-Net provides fully dedicated and symmetrical Internet service at download/upload speeds of 10 Mbps to 1 Gbps.
 

Data, Demographics and Maps icon
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Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

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As of October 2021, the MAR Desktop Geocoder is no longer supported by OCTO. This means that although the geocoder is still available and generally continues to work for some users, OCTO is no longer devoting resources to support bug fixes nor enhancements.
Data, Demographics and Maps icon
Default image of the DC flag being held in a hand

Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

Technology icon
Default image of the DC flag being held in a hand

DC GIS, under the OCTO Digital Services program, provides the public a 'one-stop shop' for geospatial data.

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Use Google Maps API for Work to diversify government web map applications built by District agencies.
Data, Demographics and Maps icon
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Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

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Open Data and GIS StandardsLearn more about the District's IT standards.

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DC Online Maps and Apps

Find a variety of maps and online applications developed by the Office of the Chief Technology Officer in coordination with other District agencies.

OCTO COVID-19 Safety Guidelines
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Steps OCTO personnel should take to protect themselves.

Data, Demographics and Maps icon
Default image of the DC flag being held in a hand

Learn about DC data catalog, feeds, agency reports, Citywide Data Warehouse (CityDW), and find DC locations using OneCityMap.

Police Service Area Finder
Police Service Area (PSA) Finder logo

Every resident lives in a Police Service Area (PSA), and every PSA has a team of police officers and officials assigned to it. Each police district has between seven and nine PSAs. There are a total of 56 PSAs in the District of Columbia.

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