308 home addition permits issued in Seattle, WA in the last 30 days, from the official open-data records and updated every day. Flooring, cabinet, window and HVAC contractors follow home additions, which usually need several trades.
| Zip code | Permits |
|---|---|
| 98103 | 26 |
| 98115 | 26 |
| 98105 | 22 |
| 98117 | 22 |
| 98199 | 22 |
| 98112 | 17 |
| 98125 | 15 |
| 98101 | 12 |
Each record has the street address, permit type, description, issue date and, where Seattle, WA publishes them, contractor name and job value. Property-owner names are never included. Counts are free; records cost $0.40 per search of up to 100 permits, paid in USDC via x402. No account needed.
GET https://permitinfobroker.com/v1/permits/search?jurisdiction=seattle-wa&category=additionFree count first: /v1/permits/count?jurisdiction=seattle-wa&category=addition. AI assistants can use the MCP server at https://permitinfobroker.com/mcp with jurisdiction: "seattle-wa" and category: "addition". More: how paying per request works.
| Type | Permits |
|---|---|
| new homes | 86 |
| demolition | 44 |
| roof | 25 |