Access 184,426 building permits issued in Montgomery County, Maryland through a single REST API. Refreshed daily from the official Montgomery County 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.
The 10 most recent permits issued in Montgomery County, Maryland. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-06-17 | 1159663 | — | Other | Adding screened porch to existing deck. Existing deck will not be altered... |
| 2026-06-17 | 1160251 | — | Other | Customer Wants To Use ePlans,Installation of 13 Trina 445-watt AC panels (5.785 kW... |
| 2026-06-17 | 1156653 | — | Demolition | Customer Wants To Use ePlans,Demo rebuild. Please add Chris Lapp Architects (12923... |
| 2026-06-17 | 1158996 | — | Foundation | Customer Wants To Use ePlans,Parkland Trace-Lot 6, Block F (F006). 2 Sty SFD �SOME... |
| 2026-06-17 | 1142016 | — | Foundation | Construct new detached 3-car garage with storage above (31�-2�x35�-6�)(varies)(908... |
| 2026-06-17 | 1160149 | — | Demolition | Demo existing kitchen and 1/2 bath. Build new kitchen and new half bath. |
| 2026-06-17 | 1145754 | — | Other | Installation of 16'x36.5' pavilion and 13'x15' shed. |
| 2026-06-17 | 1147757 | — | Addition | construction an Addition is to be built on an unfinished crawl space to the size o... |
| 2026-06-17 | 1158991 | — | Foundation | Customer Wants To Use ePlans,Parkland Trace-Lot 11, Block A (A011). 2 sty SFD �ADM... |
| 2026-06-17 | 1160255 | — | Other | Customer Wants To Use ePlans,Installation of 14 Hyundai 440-watt AC panels (6.16 k... |
Query Montgomery County, Maryland permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search all Montgomery County permits issued this month curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Montgomery%20County&state=MD&issued_after=2026-04-01"
Related coverage in Maryland and nationwide.
We ingest data directly from the official Montgomery County 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, Maryland was issued on June 17, 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 permits interactively. Sign up for a free API key to get started.
Yes. Paid plans support CSV export and periodic webhooks for changed permits.
The median time from permit filing to issuance in Montgomery County, Maryland is 20 days, based on permits issued in the last 12 months. Smaller permit types (residential alteration, electrical) typically issue faster; new construction and large additions usually take longer.
Free tier covers 100 requests per day. No credit card required.
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