-
Integrated Tax System Public Extract Vacant Property
This table is a subset of ITSPE and represents vacant property. The tax assessment roll public extract (ITSPE) is used for assessment and property analysis, to send property tax... -
Scaled Data from Digital Ionograms
All the data contributed come from 1957 through 1990. They have been digitized, reformatted, converted to universal time (the software also can display the data in local... -
DC Streatery
As part of the District’s Phase One reopening, restaurants may open outdoor seating with physical distancing and safeguards measures, coronavirus.dc.gov/phaseone. Restaurants... -
Swimming Pools 2017
Swimming Pools. The dataset contains polygons representing planimetric pools, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief... -
Scaled Data from Analog Ionograms
Ionospheric Parameters such as FoF2, FoF1, FoE derrived from hand scaling of analog Ionograms -
Ionosonde Stations
Ionograms are recorded tracings of reflected high frequency radio pulses generated by an ionosonde. Unique relationships exist between the sounding frequency and the ionization... -
Washington DC Boundary Stone Area
The Washington DC boundary was created by connecting all of the boundary stone locations into a single polygon. -
Worldwide Hourly Values of Ionospheric Characteristics: foF2, M(3000)F2, hF2,FoF1, M(3000)F1, hF, FoE, hE, foE2, hE2, foEs, fbEs, fmI, and FxI
The ionosphere is that part of the Earth's atmosphere that results mainly from the ionizing effect of Solar electromagnetic radiation. For poleware latitudes, the ionizing... -
Electron Density Profile Data Contains Virtual Height/Frequency Pairs from a Profile or Profiles (Composite Months) of Ionograms
The Electron Density Profile, N(h), data set contains both individual profiles and composite months. The data consist of virtual height/frequency pairs from a profile or... -
DCS Terrain Submission for Chemung County, NY
Terrain data, as defined in FEMA Guidelines and Specifications, Appendix N: Data Capture Standards, describes the digital topographic data that was used to create the elevation... -
Latrobe Historic Survey Map - 1815
Map exhibiting the property of the U.S. in the vicinity of the Capitol : colored red, with the manner in which it is proposed to lay off the same in building lots, as described... -
311 City Service Requests in 2019
Data provided here are from the DC's 311 service request center. They represent all service requests such as abandoned automobiles, parking meter repair and bulk trash pickup.... -
Moving Violations Issued in April 2022
Moving citation locations in the District of Columbia. The Vision Zero data contained in this layer pertain to moving violations issued by the District of Columbia's... -
Swimming Pools 2015
Swimming Pools. The dataset contains polygons representing planimetric pools, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief... -
Tile Index for 2017
The 2017 tile index boundaries created at a scale of 1:1200. The dataset contains polygons used to partition the DC area into delivery units for planimetric mapping projects,... -
Museums
The Chief Technology Office (OCTO) has captured locations for many of the District of Columbia's museums. This includes museums operated by government and private organizations.... -
Topography Northwest DC - 2024
0.6 meter contours. This dataset contains locations and attributes of 0.6 meter interval topography data, created using bare earth points from the lidar point cloud data. Some... -
Ionograms - Analog
Ionograms are recorded tracings of reflected high frequency radio pulses generated by an ionosonde. Unique relationships exist between the sounding frequency and the ionization... -
Address SMD and ANC Changes
Addresses that have changed ANC and SMD as a result of new delineations in the Advisory Neighborhood Commission Boundaries Act of 2022, signed into law on June 16, 2022. They... -
Capital Bikeshare Locations
Capital Bikeshare is metro DC's bikeshare service, with 5,000 bikes and 600+ stations across 7 jurisdictions: Washington, DC.; Arlington, VA; Alexandria, VA; Montgomery, MD;...
Official websites use .gov
A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS
A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.