Washington County elevation and terrain tools
Portland Metro • County seat: Hillsboro
Washington County fills the Tualatin Valley west of Portland, a broad, gently rolling basin. The Tualatin Mountains bound it on the east, and the forested Coast Range rises along its western edge.
Open the mapLidar coverage
Lidar projects that cover Hillsboro, from the USGS 3DEP index and DOGAMI’s project records. Other parts of the county may come from other projects; the coverage guide explains how to check any spot.
Coverage details are temporarily unavailable.
Property boundaries
The Property tool can select taxlots in Washington County from the county assessor’s GIS taxlots (Metro RLIS taxlots (Multnomah, Washington and Clackamas county assessors)) and use the boundary as the area for any other tool. Assessor taxlots are not surveys.
Tools for Washington County
A PDF terrain report for a taxlot: hillshade, contours, slope and elevation statistics.
How the tool worksContour lines at the interval you choose, on the map and as vector files.
How the tool worksHours of direct sun on any day of the year, with shadows cast by the terrain.
How the tool works