OpenParcel — Los Alamos Property Assessment Map

OpenParcel is a free, interactive property assessment dashboard for Los Alamos County, New Mexico. Explore all ~8,600 county parcels on a live map with heatmap overlays, filter by assessed value, land value, improvement value, zone, owner type, subdivision, and more, and view statistical charts for the entire dataset.

Data is sourced from Los Alamos County’s ArcGIS parcel services and includes assessed values, taxable values, exemptions (homestead and veteran), building square footage, zoning classifications, ownership information, PLSS legal descriptions (township, range, section), and parcel boundary polygons. Utility consumption data (water, electric, gas) can be joined to parcels via CSV upload.

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