Checked
City dataMaps & Geospatial
Boundary
Published by City of Seattle · Updated 04/19/2026
- Last updated
- 04/19/2026
- First published 09/22/2025
- Update frequency
- Not listed
- Formats
- 5
- CSV, GeoJSON, KML
- Coverage
- Seattle
- City in Washington
About this dataset
1936 aerial imagery for western King County was scanned from 3 foot by 3 foot prints. Acquired under leaf-on conditions. The source is the original hardboard-mounted aerial prints. The original 0.5 foot pixel resolution was resampled to 1 foot pixel.
The purpose of the imagery is historical comparison and archiving original documents.
Files and access
Links open the official government source
- CSVdata-seattlecitygis.opendata.arcgis.comCSV
- ArcGIS GeoServicegis.seattle.govJSON
- GeoJSONdata-seattlecitygis.opendata.arcgis.comGeoJSON
- Shapefiledata-seattlecitygis.opendata.arcgis.comZIP
- KMLdata-seattlecitygis.opendata.arcgis.comKML
- ArcGIS Hub Datasetdata-seattlecitygis.opendata.arcgis.comWeb page
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Boundary?
- City of Seattle publishes this dataset on Data.gov.
- How often is it updated?
- The publisher does not list a schedule. The last update was on 04/19/2026.
- How do I download it?
- It is available as CSV, JSON, GeoJSON, ZIP, KML. Use the links in Files and access, which open the official government source.
Similar data from other publishers
- BOUNDARYCity of New York · Department of Finance (DOF)This line-based spatial data represents the Boundary Lines that exist in the Digital Tax Map Collection . • Updates: Data is extracted from DOF’s internal system on the last Friday of each month and refreshed on ArcGIS Online on the 1st. The online map always CSVJSONGeoJSONXMLUpdated 10/02/2026Weekly
- BoundaryState of Maryland · Maryland Department of Information TechnologyLayers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map depicts geographic features on the surface of the earth. One intended purpose is to support emergency resCSVJSONGeoJSONXMLUpdated 07/22/2025As needed
- BoundaryState of Maryland · Maryland Department of Information TechnologyThis is a map service of the 1972 Wetland Maps. These are guidance maps for regulatory purposes and not (and never were) a wetland delineation. Service Link: https://mdgeodata.md.gov/imap/rest/services/Hydrology/MD_WetlandMaps1972/MapServer/1CSVJSONGeoJSONXMLUpdated 07/21/2025As needed
- BoundaryState of Maryland · Maryland Department of Information TechnologyMaryland aboveground biomass map [30m] generated using Random Forests regression models. For more information visit https://daac.ornl.gov/CMS/guides/CMS_Maryland_AGB_Canopy.html. High Resolution Carbon Monitoring and Modeling: A NASA CMS Phase II Study Last UpCSVJSONGeoJSONXMLUpdated 07/22/2025As needed
- BoundaryCity of TempeThis hosted tile layer provides aerial imagery for the City of Tempe. Imagery was taken in September 2023 and published April 2024.ArcGIS RESTUpdated 04/26/2024
Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/24/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: Data.gov · Last updated 10/24/2026 · Listing only; the data stays with the publisher
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