Settings

Price shownAuto = assessed in Washington, comps-based market estimate in California (where Prop 13 pins assessed value to the purchase price). Sale = last recorded non-zero price

Units

Fetch radiusParcels loaded around you (1000 max per request)

Label distanceHide parcels farther than this

Max labelsNearest parcels win

Camera field of viewHorizontal. Point at a known edge and adjust until the outline sits on it

Your heightAuto: GPS altitude minus ground elevation. Set a floor number to override (indoors GPS often can't tell)

TerrainGround elevation per parcel from USGS 3DEP / Copernicus DEM, so hillside homes sit where they are

Heading offsetCompass correction if labels sit left/right of the buildings

Magnetic declinationEast positive. Seattle ≈ 15.3°E

Ground outlinesDraw parcel boundaries on the ground when tilted down

Labels on rooftopsBuilding height from OSM where mapped, else estimated from the assessor's improvement value per ft² of lot. Off = fixed 5.5 m

Use OpenStreetMap heightsOverpass API, best effort

Label the parcel you stand on

Only parcels with a price

Radar heading-up

Coverage on the groundGreen wash on the ground plane where parcels are cached; its edge is where offline stops

Radar shows offline coverageGreen = areas already cached; amber dots = being downloaded

Simulate locationDesktop testing: fixed position in the U-District, drag to look around, wheel to tilt

Offline cache—

Daily data budgetAuto-precache stops at this; manual downloads warn

Precache around meDownloads every parcel within this distance so the whole neighbourhood works with no signal

Auto-precache aheadWhile you move, fetch a corridor ahead along your course so the next blocks are cached before you get there

Look-ahead distance

Estate AR

Point your phone at a building and see what the county thinks it is worth. Everything runs in this page; parcel data comes straight from public GIS servers.

📷 Camera — passthrough background only, nothing is recorded
📍 Location — to load parcels around you
🧭 Motion & orientation — compass heading and tilt