# Addition permit 1166957 at 604 Greenbrier Dr, Montgomery County

Montgomery County Department of Permitting Services permit 1166957: issued Sep 8, 2026 for addition work at 604 Greenbrier Dr. Construct a new 2 story addition over a conditioned crawl space in the rear of the house. Add two rear patio areas & reconstruct the entry walkway with a new 14'x23' driveway. Mixed work type: add 766sf, deck 247sf.

- Permit number: 1166957
- Issued: Sep 8, 2026
- Type of work: Addition (city: Add, single family dwelling)
- Status: Issued (city: Issued)
- Reported cost: $446,000
- ZIP code: 20910
- All permits at this address: https://nearbypermits.com/montgomery-county-md/address/604-greenbrier-dr/

---
Source: Montgomery County Department of Permitting Services permit data (https://data.montgomerycountymd.gov/d/m88u-pqki). Checked 2026-10-09 21:03 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 604 Greenbrier Dr: https://nearbypermits.com/montgomery-county-md/address/604-greenbrier-dr/