Access 184,155 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.
The 10 most recent permits issued in Montgomery County, Maryland. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-05-14 | 1152709 | — | New construction | Customer Wants To Use ePlans,New 2 story Single Family home with finished basement... |
| 2026-05-14 | 1152794 | — | Solar | Customer Wants To Use ePlans,Installing 20 new roof-mounted solar panels at 8.200kWDC |
| 2026-05-14 | 1152189 | — | Pool | Construct 20 x 40 inground pool w/ attached 8 x 8 spa, automatic cover. existing f... |
| 2026-05-14 | 1152696 | — | Addition | Alteration area = 2235 SF Addition area = 1008 SF |
| 2026-05-14 | 1158238 | — | Solar | Install 23 roof mounted solar panels |
| 2026-05-14 | 1158236 | — | Solar | Installation of 19 roof mounted solar panels |
| 2026-05-14 | 1158143 | — | Solar | Install 42 roof mounted solar panels on SFD |
| 2026-05-14 | 1157407 | — | Other | CONSTRUCT 16X24 COMPOSITE COVERED DECK WITH STEPS,New Deck |
| 2026-05-14 | 1158232 | — | Solar | Install 18 roof mounted solar panels and inverter |
| 2026-05-14 | 1152828 | — | Solar | Customer Wants To Use ePlans,Installing 27 new roof-mounted solar panels at 11.070... |
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 May 28, 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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