PermitStack — Building Permit Data API | 121M+ permits
Access 121M+ U.S. building permits from 8,000+ cities across 48 states and DC via one REST API. Search by city, ZIP, category & contractor. Free tier — 100 requests/day, plans from $29/mo.
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https://permit-stack.com/https://mcp.permit-stack.com/mcpLast probed Nov 3, 2026 · mcp.permit-stack.com
6tools discovered
Search building permits
Search U.S.
Look up a permit by number
Look up a permit by the permit number assigned by the issuing jurisdiction, optionally narrowed by city and state.
Property permit history
Permit history for one property, looked up by street address (house number and street name, e.g.
Search contractors
Search contractors by name, city, state or specialty.
Contractor's permits
List the permits pulled by one contractor, identified by the contractor UUID from search_contractors.
Data coverage
Describe PermitStack's coverage: total permits, jurisdictions (active, archive, frozen) and states.
Get your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brandsAccess 121M+ U.S. building permits from 8,000+ cities across 48 states and DC via one REST API. Search by city, ZIP, category & contractor. Free tier — 100 requests/day, plans from $29/mo.
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Schemas and invoke metadata: Directory API
MCPBundles probed 6 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
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