# PermitStack (permit-stack.com)

Normalizes building permit records from 8,000 US cities into an API, browser search and CSV exports.

- Atlas card: https://inite.ai/en/atlas/permit-stack.com
- Site: https://permit-stack.com
- For: Solar, roofing, HVAC and insurance teams, plus developers, needing US building permit data for leads or underwriting
- Categories: dev
- Use 22/100 · alive 100/100

## Used for

- pull recent solar permits by zip code to build lead lists
- look up the full permit history for a property
- get alerts when matching permits are filed

## Price

- from 29 USD/month, free plan (read 2026-10-23 on https://permit-stack.com/#pricing)

## For developers

- OpenAPI: https://permit-stack.com/openapi.json (30 paths)
- API docs: https://permit-stack.com/docs
- MCP server: com.permit-stack/permits (namespace; open on 2026-10-23, 6 tools)
- Status page: https://permit-stack.com/status.html
- Read 2026-10-23

## MCP server, measured daily

Server: https://mcp.permit-stack.com/mcp, checked every day since 2026-10-23 (4 checks).

- Answered: measuring, 4 daily checks so far
- Median first answer: 246 ms
- Sign-in: none
- Context its tool definitions take: about 2405 tokens (6 tools)
- Tool definitions: A, 100/100
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-23

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Source: INITE Atlas, https://inite.ai/en/atlas/permit-stack.com. JSON: https://inite.ai/api/atlas/permit-stack.com. MCP: https://inite.ai/api/mcp (atlas_lookup).