PermitStack indexes 165,409 building permits issued in Baltimore County, Maryland, with 10,240 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 Baltimore County.
Every permit we hold for one Baltimore 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 Baltimore County, Maryland. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-09-27 | R26-05836 | 4214 MARY RIDGEDR | Solar | Install 35 roof-mounted solar panels, 14.35kW, on SFD. Separate electrical permit ... |
| 2026-09-27 | R26-02503 | 2718 WOODCOURTRD | Other | Install NFPA 13D system with 42 sprinkler heads. Largest pipe size 1". Meter ... |
| 2026-09-27 | R26-05987 | 4 HORN POINTCT | Solar | Install 30 roof-mounted solar panels, 13.5kW, on existing SFD. Separate electrical... |
| 2026-09-27 | R26-05982 | 14127 BLENHEIMRD | Pool | CONSTRUCT IN-GROUND SWIMMING POOL, 3’-7’ DEEP, 18’X44’=792SF, ON REAR OF SFD PROPE... |
| 2026-09-27 | R26-05389 | 18 KILLALACT | Addition | Exterior alterations to replace 48.6LF of 6' high attached wall on right side ... |
| 2026-09-27 | R26-05764 | 7310 GREENBANKRD | Fence | CBCA - erect 232LF of 5' high wood fence on left side, right side and street s... |
| 2026-09-27 | R26-06109 | 6709 CAMDENST | Other | Install NFPA 13D system with 63 sprinkler heads. Largest pipe size 1-1/4". Me... |
| 2026-09-27 | R26-05486 | 732 NOLLMEYERRD | Fence | CBCA. Remove existing and erect 200 LF of 6 ft high vinyl fence along the right-si... |
| 2026-09-27 | R26-06202 | 1312 WESTBURNRD | Solar | Install 25 roof-mounted solar panels, 11.25kW, on SFD. Separate electrical permit ... |
| 2026-09-27 | R26-06107 | 600 FARNBOROUGHST | Other | Install NFPA 13D system with 60 sprinkler heads. Largest pipe size 1-1/4". Me... |
Query Baltimore County, Maryland permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search Baltimore County permits issued in the last 30 days curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Baltimore%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 |
|---|---|---|---|---|
| Permits | bulk data file | 165,409 | 2026-09-27 |
Related coverage in Maryland and nationwide.
We ingest Baltimore County's official permit records directly from the jurisdiction's own permit portal and normalize them into a consistent JSON schema across our U.S. jurisdictions.
The newest permit we hold for Baltimore County, Maryland is dated September 27, 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 Baltimore 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 Baltimore County, Maryland is 34 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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