345 HVAC permits issued in Washington, DC in the last 30 days, from the official open-data records and updated every day. HVAC suppliers, duct cleaners and energy-efficiency companies use system change-out permits to time their outreach.
| Zip code | Permits |
|---|---|
| 20002 | 39 |
| 20001 | 31 |
| 20011 | 29 |
| 20007 | 28 |
| 20016 | 23 |
| 20020 | 23 |
| 20003 | 19 |
| 20019 | 18 |
Each record has the street address, permit type, description, issue date and, where Washington, DC 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=washington-dc&category=hvacFree count first: /v1/permits/count?jurisdiction=washington-dc&category=hvac. AI assistants can use the MCP server at https://permitinfobroker.com/mcp with jurisdiction: "washington-dc" and category: "hvac". More: how paying per request works.
| Type | Permits |
|---|---|
| plumbing | 919 |
| electrical | 823 |
| remodel | 196 |
| windows | 122 |
| demolition | 90 |
| addition | 79 |
| solar | 70 |
| roof | 59 |
| fence | 42 |
| new homes | 42 |