Access 155,511 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.
The 10 most recent permits issued in Montgomery County (Mechanical), Maryland. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-05-18 | 1158472 | — | HVAC | Dual Fuel Heat pump install |
| 2026-05-18 | 1158421 | — | HVAC | N400--Replace water source heat pump (2.5-Ton) and Air handler (30-MBH) system. |
| 2026-05-18 | 1158465 | — | Renovation | Replacing 3 Ton AC |
| 2026-05-18 | 1158084 | — | Other | Customer Wants To Use ePlans,GEOTHERMAL WELL |
| 2026-05-18 | 1156744 | — | HVAC | Customer Wants To Use ePlans,Install Ductless mini Split in Master bedroom |
| 2026-05-18 | 1158409 | — | HVAC | Replace existing heat pump with new Goodman 2-ton 16.2seer3 Heat pump (same size a... |
| 2026-05-18 | 1157529 | — | HVAC | Customer Wants To Use ePlans,Furnish and install 1.5 ton heat pump. |
| 2026-05-18 | 1158299 | — | HVAC | LIKE FOR LIKE REPLACEMENT 4 TON AC AND A 110K GAs FURNACE |
| 2026-05-18 | 1157689 | — | HVAC | Replace per customerApt B (unit 112-7 in SDAT)Heat pump system |
| 2026-05-18 | 1158474 | — | HVAC | replace current unit with a 2 ton Hisense Ultra heat pump system |
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 May 18, 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. Paid plans support CSV export and periodic webhooks for changed permits.
Free tier covers 100 requests per day. No credit card required.
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