District of Columbia
District-wide maps, data, and agencies.
District of Columbia district-wide property map
Taxes, deeds, permits and other District of Columbia services on GovDir
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Where to find things
- District of Columbia district-wide property mapDistrict GIS map · Parcel number
District of Columbia's district-wide map of property lines. Search an address or parcel to see its boundaries.
- District of Columbia GIS data downloadsProperty lines · Aerial imagery · GIS data downloads · Elevation · Land cover · Addresses and 911 numbers
Download District of Columbia's district-wide GIS data, such as roads, boundaries, imagery and elevation and property lines.
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- Sanborn Fire Insurance MapsDigitized Sanborn fire insurance maps showing building footprints, materials and uses for American towns and cities, widely used in property history and environmental research.
- USDA NAIP Imagery HubFind and download USDA's leaf-on aerial photography for the contiguous United States. Check coverage and acquisition dates for the area you need.
- USGS National Map ViewerNational base map with elevation, hydrography, imagery, boundaries and PLSS layers.
- State Plane Coordinate System zonesThe official State Plane Coordinate System from the National Geodetic Survey: which zone covers each state and county, zone definitions and conversion tools.
- FEMA National Flood Hazard Layer ViewerInteractive nationwide map of current flood zones, base flood elevations and map panels.
- NCES School District BoundariesNational school district boundary maps and downloadable GIS files, with an address lookup for the district serving a location.
- USGS topoViewBrowse and download every historical USGS topographic map for a location, useful for seeing old roads, buildings and shorelines.
- MRLC NLCD Land Cover ViewerNational land cover map for every year since 1985: forest, cropland, developed, wetland, water and change over time.
- National Land Cover Database (NLCD) DownloadsFilter and download National Land Cover Database products including Annual NLCD land cover for the contiguous United States. Provides downloadable raster products and links to the viewer for spatial selection.
- US Census GeocoderFree service that converts a street address into map coordinates and census geography. No account needed.
- District of Columbia land recordsProperty records · Plats
Deeds, mortgages and other land documents for the District are recorded here, and the online index goes back to 1921.
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- BLM General Land Office RecordsSearch original federal land patents and survey plats by name or legal description to find the first private owner of a parcel.
- DC Office of ZoningZoning
The District's zoning map and zoning regulations, plus the Board of Zoning Adjustment and Zoning Commission cases that change them.
- District of Columbia floodplain and flood mapsFlood zones · Hazards and emergency information
The District's floodplain program: the flood maps, the extra rules for building or rebuilding near water, and flood insurance questions.
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- FEMA Flood Map Service CenterOfficial source for flood insurance rate maps. Enter an address to see the current flood zone and download the FIRM panel and letters of map change.
- FEMA Disaster DeclarationsSearch federal disaster and emergency declarations by state, county and incident to see whether an area was declared and what assistance was authorized.
- FEMA Increased Cost of ComplianceFlood insurance coverage that helps pay to elevate, relocate, demolish or floodproof a substantially damaged building.
- U.S. wildfire risk mapType a community, county or state to see its wildfire likelihood, risk to homes and exposure, with maps and charts. It shows long-term risk, not current fires, and is a screening tool, not an official hazard designation for a property.
- U.S. hurricane storm surge risk mapsInteractive map of how deep storm surge flooding could get near the coast in a worst-case hurricane of each category. It does not replace your local hurricane evacuation zone; check the state or county zone lookup for that.
- U.S. landslide mapInteractive national map of known landslides and how susceptible the ground is to landslides. It is a broad screening map, not a site-specific assessment.
- DC Department of Energy and EnvironmentWetlands · Lakes and water
The District's environmental agency: water quality, stormwater, soil erosion, wetlands and the permits that go with them.
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- NRCS wetland determinations and conservation complianceFarm wetland rules for USDA program participants. Before you drain, fill or clear a wet area in a farm field, ask NRCS at your local USDA Service Center for a wetland determination.
- Conservation Reserve Program (CRP) sign-up, USDA Farm Service AgencyHow the Conservation Reserve Program works, which sign-ups are open and what it pays. You enroll land in CRP at your county Farm Service Agency office at the local USDA Service Center.
- NRCS highly erodible land determinationsHow NRCS decides whether a farm field is highly erodible land, which affects USDA program eligibility and conservation plans. Requests go to NRCS at your local USDA Service Center.
- U.S. Drought MonitorWeekly national drought map by county, with historical conditions and state summaries.
- USDA Web Soil SurveySoils
Draw an area on the map to get soil types, drainage, septic suitability, building limitations and farmland ratings.
- USGS map of public and protected landPublic land
National map of federal, state, local and other public and protected land from the U.S. Geological Survey Protected Areas Database (PAD-US).
- District of Columbia licensed land surveyor lookupSurveys and section corners
Search the District of Columbia Board of Professional Engineering for a licensed land surveyor by name or license number. Only a licensed surveyor can mark a legal property line on the ground, so check a surveyor's license before you hire one. Board phone 202-671-4500.
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- NGS survey mark and benchmark mapMap of National Geodetic Survey benchmarks and survey control marks. Zoom to a place, click a mark and open its datasheet with the mark's position, elevation and how to find it on the ground.
- NGS Survey Mark DatasheetsFederal survey mark datasheets and control monument records, searchable by county or coordinates.
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District streets and alleys: road projects, public space permits, and the permission you need before you build a driveway or dig in the public space.
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- 811 Before You DigCall 811 or use your state 811 center's website a few business days before any digging, including fence posts, decks, trees and mailboxes. The service is free, and the utilities mark their buried lines with paint or flags. This page lists every state's 811 center.
- National Pipeline Mapping SystemPublic map viewer of transmission pipelines and operator contacts by county, for excavation planning and emergency response.
Other District of Columbia resources
- District of Columbia State ArchivesHistorical District government records, early land records, plats and maps.
- District of Columbia property taxThe District assesses and bills every property itself: there is no county in between. Look up an assessment, a tax bill or the homestead deduction here.