Access 157,450 building permits issued in Montgomery County (Mechanical), Maryland through a single REST API. Refreshed daily from the official Montgomery County (Mechanical) open data portal and normalized into a consistent schema.
Most common permit types issued in the last year.
Drill into the most common permit categories in Montgomery County (Mechanical).
The 10 most recent permits issued in Montgomery County (Mechanical), Maryland. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-08-16 | 1168475 | 14307 TWIG RD | HVAC | -REPLACE 3-TON HEAT PUMP AND (36-MBH) AIR HANDLER SYSTEM. |
| 2026-08-16 | 1168466 | 120 LYNNMOOR DR | HVAC | LIKE FOR LIKE REPLACEMENT OF A 2 TON HEAT PUMP AND A 80K GAS FURNACE |
| 2026-08-15 | 1168444 | 1329 TWIG TER | HVAC | Provide labor, equipment, materials, and installation necessary to remove the exis... |
| 2026-08-14 | 1168390 | 14045 ROCKINGHAM RD | HVAC | Replacement of 70k BTU gas furnace and 2.5-ton AC unit, like for like. |
| 2026-08-14 | 1168371 | 15401 AYLESBURY ST | HVAC | Install Spirit furnace. |
| 2026-08-14 | 1168351 | 1505 THORNDEN RD | Renovation | REPLACING A NAT GAS FURANCE SYSTEM INCLUDES AC AND COIL, LIKE FOR LIKE |
| 2026-08-14 | 1166259 | 5602 MONTGOMERY ST | HVAC | Install Trane heat pump. |
| 2026-08-14 | 1168328 | 9415 FOX HOLLOW DR | HVAC | Replace existing HVAC system with new (1) Daikin heat pump and air handler |
| 2026-08-14 | 1168327 | 10132 GRAVIER CT | HVAC | Replace existing HVAC system with new (1) Daikin heat pump and air handler |
| 2026-08-14 | 1168349 | 10210 FLEMING AVE | HVAC | Replace Gas Furnace and Air Conditioner |
Query Montgomery County (Mechanical), Maryland permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search all Montgomery County (Mechanical) permits issued this month curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Montgomery%20County%20(Mechanical)&state=MD&issued_after=2026-04-01"
Related coverage in Maryland and nationwide.
We ingest data directly from the official Montgomery County (Mechanical) open data portal (Tyler Data & Insights (Socrata)) daily. This is the same source used by the city's own public dashboards, normalized into a consistent JSON schema across our U.S. jurisdictions.
Our automated ingestion runs daily at 03:00 UTC. The latest permit in our database for Montgomery County (Mechanical), Maryland was issued on August 16, 2026. Permit backlogs on the city side may mean some permits take a few days to appear.
Yes — our free tier includes 100 requests per day, enough to search and filter Montgomery County (Mechanical) permits interactively. Sign up for a free API key to get started.
Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Real-time webhooks for changed permits are on the Developer plan and above.
Free tier covers 100 requests per day. No credit card required.
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