PermitStack indexes 855,491 building permits issued in Montgomery County, Maryland, with 36,920 issued in the last 12 months alone. Search by address, contractor, category, and date via our free REST API.
Most common permit types issued in the last year.
Drill into the most common permit categories in Montgomery County.
Every permit we hold for one Montgomery County address (roof, HVAC, solar, additions, with dates and contractors) in a single call to /v1/property/history. Used by lenders for collateral review, insurers for roof and system age, and real estate teams for due diligence.
The 10 most recent permits issued in Montgomery County, Maryland. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-10-04 | 1173502 | 23107 MEADOW MIST RD | Solar | Customer Wants To Use ePlans,INSTALL (26) ROOF MOUNTED SOLAR PANELS, 11.440 KW |
| 2026-10-04 | 1173513 | 22414 BROADWAY AVE | Electrical | Please do not request inspections under this permit until 2 business days after pe... |
| 2026-10-04 | 1173506 | 21701 BONESET WAY | Other | Please do not request inspections under this permit until 2 business days after pe... |
| 2026-10-04 | 1173507 | 17805 PARK MILL DR | Solar | Customer Wants To Use ePlans,INSTALL (30) ROOF MOUNTED SOLAR PANELS, 13.200 KW |
| 2026-10-04 | 1173516 | 205 NORMANDY DR | Electrical | Please do not request inspections under this permit until 2 business days after pe... |
| 2026-10-04 | 1173505 | 21701 BONESET WAY | Solar | Please do not request inspections under this permit until 2 business days after pe... |
| 2026-10-04 | 1173511 | 7433 ROYAL DOMINION DR | EV charger | Please do not request inspections under this permit until 2 business days after pe... |
| 2026-10-04 | 1173514 | 3819 WOODRIDGE AVE | Other | Please do not request inspections under this permit until 2 business days after pe... |
| 2026-10-04 | 1173512 | 8817 STONEHAVEN CT | Electrical | Please do not request inspections under this permit until 2 business days after pe... |
| 2026-10-04 | 1173508 | 205 PRIMROSE ST | Electrical | Please do not request inspections under this permit until 2 business days after pe... |
Query Montgomery County, Maryland permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search Montgomery County permits issued in the last 30 days curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?jurisdiction=Montgomery%20County&state=MD&issued_after=2026-09-06"
The official record sets behind this page, with the date each one's data runs through.
| Record set | Source | Permits | Data through | Note |
|---|---|---|---|---|
| Electrical | open data (Socrata) | 322,058 | 2026-10-04 | |
| Building permits | open data (Socrata) | 187,091 | 2026-10-04 | |
| Mechanical | open data (Socrata) | 158,933 | 2026-10-03 | |
| Fence | open data (Socrata) | 46,478 | 2026-10-02 | |
| Fire Protection | open data (Socrata) | 44,764 | 2026-10-01 | |
| Commercial | open data (Socrata) | 42,286 | 2026-10-02 | |
| Fire Alarm | open data (Socrata) | 19,099 | 2026-10-02 | |
| Fire Code Compliance | open data (Socrata) | 18,518 | 2026-10-02 | |
| Use and Occupancy | open data (Socrata) | 15,825 | 2026-10-02 | |
| Sign | open data (Socrata) | 12,459 | 2026-10-01 | |
| Commercial Fast Track | open data (Socrata) | 11,196 | 2020-03-13 | The source has stopped publishing. |
| Construction Activities | open data (Socrata) | 2,642 | 2026-10-02 | |
| Historic Area | open data (Socrata) | 2,360 | 2026-09-29 | |
| Sewage Disposal | open data (Socrata) | 2,193 | 2026-10-02 | |
| Retaining Wall | open data (Socrata) | 2,081 | 2021-08-16 | The source has stopped publishing. |
| Antenna/Wireless | open data (Socrata) | 975 | 2026-09-29 | |
| Right of Way | open data (Socrata) | 79,660 | 2026-05-12 | Listed for completeness; not counted as building permits. The source is not currently publishing new records. |
| Open ROW | open data (Socrata) | 6,811 | 2026-10-02 | Listed for completeness; not counted as building permits. |
Related coverage in Maryland and nationwide.
We ingest Montgomery County's official permit records directly from 16 official record sets, each listed under Sources on this page and normalize them into a consistent JSON schema across our U.S. jurisdictions.
The newest permit we hold for Montgomery County, Maryland is dated October 4, 2026. We re-read this source on a nightly schedule and publish the date the data runs through rather than the date we last polled. Some cities publish permits days after they are filed.
Yes — search Montgomery County permits free in the browser, no signup needed. The API needs a free key (100 requests per day, no credit card).
Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Webhooks (Developer plan and up) push new permits after each nightly ingest.
The median time from permit filing to issuance in Montgomery County, Maryland is 28 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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