Colorado · FIPS 08035 · County seat: Castle Rock
Douglas County, CO GIS & Parcel Viewer
Douglas County, Colorado parcel data lives on Real Property for Douglas County. Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Douglas County parcel map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Real Property for Douglas County |
|---|---|
| Type | County-run map |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Castle Rock |
| Population | 383,906 (2023 Census Bureau estimate) |
| Land area | 840 sq mi |
| FIPS code | 08035 |
Who runs this map
Douglas County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. When we tested the link in October 2026 it opened with no login and no fee.
Searching for a parcel, step by step
- Press the button above; an ArcGIS Experience Builder app opens in a new tab. Accept any splash or disclaimer screen.
- Search by address or parcel ID, or pan to the area.
- Select a parcel to view the information the publisher makes available.
- Explore the app's panels for layers, legends or printing.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
Douglas County had an estimated 383,906 residents in 2023, according to the Census Bureau. With about 840 square miles of land, that works out to roughly 457 people per square mile. Among Colorado's 64 counties, it is the 6th largest by population. Its county seat is Castle Rock.
Nearby parcel maps
Parcels close to the edge of Douglas County can fall in the next county over. Neighboring counties:
Maps vs. surveys
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.