Office of the Chief Technology Officer

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

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Connect.DC works to bridge this digital divide by making technology easier to use and access. 

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DC GIS, under the OCTO Data 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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DC Zoning Map logo

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

The MAR Geocoder is a desktop application that employs DC’s MAR Web Service to assign a location in the form of geographic coordinates.
Use Google Maps API for Work to diversify government web map applications built by District agencies.
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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.

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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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PropertyQuest has been developed by the District of Columbia Office of Planning as an easy way to view a wide range of site-related information, especially information on historic resources.

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Find a connection to the Internet using wi-fi enabled devices.

Solicite la tarjeta “DC One Card”
Solicite la tarjeta “DC One Card”

La tarjeta normal “DC One Card” y la  combinada con “SmarTrip” (SmarTrip enabled DC One Card) están disponibles en cualquier Centro de servicio, “DC One Card Service Center.”    

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This online system enables home owners, tenants, and businesses alike to apply for the specific type of public space occupancy, construction, excavation, annual or rental permit required for use of the public space within the District of Columbia.

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Find your trash and recycling collection day(s) and view the Holiday Trash/Recycling Slide Guide.

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Washington DC Snowplow Tracker

View the Washington DC Snowplow Tracker interactive map during winter storms. See where 

Returning Citizen Resource Locator
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DC Water operates a wastewater collection system comprised of "separate" and "combined" sewers. Since the early 1900's, sewers constructed within the District have been separate systems and no new combined sewer system (CSS) have been built.

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DC Free Wi-fi Hotspots logo

A “hotspot” is a site where anyone with a computer or other device with Wi-Fi capability can come and browse the Internet for free using the District’s wireless network. OCTO has installed hotspots in every Ward to provide convenient, citywide Wi-Fi Internet access for all.

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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. The interactive zoning map allows users to determine the zoning classification for any property in the District.