Site Assessmentfree

Parcel Lookup

Parcel boundary, APN, zoning, acreage, owner, market value, land cover via ReportAll USA

MCP Function Name
gridleaf_parcel_lookup

What It Does

Look up parcel boundary polygon, Assessor Parcel Number (APN), zoning, acreage, owner name + mailing address, market value, legal description, and NLCD land-cover breakdown using the ReportAll USA Parcels API (nationwide coverage). Accepts lat/lon, address, or FIPS+APN. Returns GeoJSON polygon, assessor data, land use classification, and same-owner adjacent parcel assemblage detection for multi-parcel site assembly.

Parameters

NameTypeRequiredDescription
latfloatoptionalLatitude
lonfloatoptionalLongitude
addressstringoptionalUS street address
fipsstringoptionalCounty FIPS code
apnstringoptionalAssessor Parcel Number

Try These in Claude

What's the parcel boundary and zoning at this address?
Look up the APN and acreage for lat 34.7, lon -118.2

Data Sources

ReportAll USA Parcels API

Use Cases

Connect This Tool

Part of the unified Gridleaf gateway. Connect once for all 56 tools:

Claude Code
claude mcp add --transport streamable-http gridleaf https://mcp.gridleaf.org/mcp --header "X-API-Key: YOUR_KEY"
Claude.ai

Settings > Integrations > Add Custom Connector > URL: https://mcp.gridleaf.org/mcp

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