# Building permits in Montgomery County 20833

30 permits in the last 90 days. The newest, Sep 30: Install (60) roof mounted solar panels, 25.800 kw, at 21301 Denit Estates Dr.

| Date | Address | Type | Work | Cost | Permit |
|---|---|---|---|---|---|
| Sep 30, 2026 | [21301 Denit Estates Dr](https://nearbypermits.com/montgomery-county-md/address/21301-denit-estates-dr/) | Solar | Install (60) roof mounted solar panels, 25.800 kw | $28,000 | [1172436](https://nearbypermits.com/montgomery-county-md/permit/1172436/) |
| Sep 30, 2026 | [1300 Brighton Dam Rd](https://nearbypermits.com/montgomery-county-md/address/1300-brighton-dam-rd/) | Alteration or repair | Install electrical equipment foundations at the Brighton Substation located at 1300 Brighton Dam Rd. | $70,000 | [1167909](https://nearbypermits.com/montgomery-county-md/permit/1167909/) |
| Sep 29, 2026 | [5 Shady View Ct](https://nearbypermits.com/montgomery-county-md/address/5-shady-view-ct/) | Solar | Install 19 rooftop solar panels 8.55kW. | $26,814 | [1172826](https://nearbypermits.com/montgomery-county-md/permit/1172826/) |
| Sep 29, 2026 | [21408 Ridgecroft Dr](https://nearbypermits.com/montgomery-county-md/address/21408-ridgecroft-dr/) | Solar | Temporary removal and reinstallation of 59 Roof mounted solar panels. | $499 | [1156326](https://nearbypermits.com/montgomery-county-md/permit/1156326/) |
| Sep 25, 2026 | [2749 Treadwell Ln](https://nearbypermits.com/montgomery-county-md/address/2749-treadwell-ln/) | Fence, wall or deck | Construct a 14' x 47' deck with (2) 4' x 4' landings with steps to grade,New Deck | $77,000 | [1169415](https://nearbypermits.com/montgomery-county-md/permit/1169415/) |
| Sep 25, 2026 | [19013 St Albert Dr](https://nearbypermits.com/montgomery-county-md/address/19013-st-albert-dr/) | Fence, wall or deck | Building a 31x14 deck with 18x14 screened Porch PORCH- 230, DECK- 160, CUSTOMER HAD 500. | $67,000 | [1165525](https://nearbypermits.com/montgomery-county-md/permit/1165525/) |
| Sep 24, 2026 | [2112 Carter Mill Way](https://nearbypermits.com/montgomery-county-md/address/2112-carter-mill-way/) | Fence, wall or deck | Remove existing hot tub on deck Add new support under to support new roof on 1/2 of deck and stairs,Repair Existing Deck | $28,000 | [1171496](https://nearbypermits.com/montgomery-county-md/permit/1171496/) |
| Sep 17, 2026 | [2716 Silver Hammer Way](https://nearbypermits.com/montgomery-county-md/address/2716-silver-hammer-way/) | Addition | Construct New 16"" x 17'8 3/4"" Shed Roof Screened Porch w/ 10ft x 7ft deck w/ landing and steps to grade272 ADD / 85 deck | $26,450 | [1171092](https://nearbypermits.com/montgomery-county-md/permit/1171092/) |
| Sep 15, 2026 | [19420 James Creek Ct](https://nearbypermits.com/montgomery-county-md/address/19420-james-creek-ct/) | Solar | Install (65) roof mounted solar panels, 28.600 kw | $65,000 | [1170953](https://nearbypermits.com/montgomery-county-md/permit/1170953/) |
| Sep 14, 2026 | [321 Quailhill Dr](https://nearbypermits.com/montgomery-county-md/address/321-quailhill-dr/) | Solar | 30 roof mounted solar panels | $25,650 | [1171341](https://nearbypermits.com/montgomery-county-md/permit/1171341/) |
| Sep 14, 2026 | [2454 Epstein Ct](https://nearbypermits.com/montgomery-county-md/address/2454-epstein-ct/) | Alteration or repair | Add a shower to an existing half bathroom. Plumbing permit issued through a separate contractor. | $1,500 | [1170983](https://nearbypermits.com/montgomery-county-md/permit/1170983/) |
| Sep 14, 2026 | [131 Haviland Mill Rd](https://nearbypermits.com/montgomery-county-md/address/131-haviland-mill-rd/) | Alteration or repair | Rebuild home due to fire; foundation to remain. Rebuid existing deck. | $98,000 | [1161427](https://nearbypermits.com/montgomery-county-md/permit/1161427/) |
| Sep 3, 2026 | [20504 Riggs Hill Way](https://nearbypermits.com/montgomery-county-md/address/20504-riggs-hill-way/) | Addition | Sfd/ screened room addition to include : demolition of existing rear deck and construction of new screened room and covered porch approximately 210 sqft for screened room addition & 60 sqft for new covered porch. | $66,000 | [1169534](https://nearbypermits.com/montgomery-county-md/permit/1169534/) |
| Sep 2, 2026 | [21400 Ridgecroft Dr](https://nearbypermits.com/montgomery-county-md/address/21400-ridgecroft-dr/) | Addition | Remove existing brick steps and stoop. Construct a porch approximately 8'x50' on front of existing house. | $15,000 | [1166060](https://nearbypermits.com/montgomery-county-md/permit/1166060/) |
| Aug 28, 2026 | [3016 Vandever St](https://nearbypermits.com/montgomery-county-md/address/3016-vandever-st/) | Addition | Garage extension. | $5,000 | [1168584](https://nearbypermits.com/montgomery-county-md/permit/1168584/) |
| Aug 27, 2026 | [18637 Tanterra Way](https://nearbypermits.com/montgomery-county-md/address/18637-tanterra-way/) | Solar | 20 roof mounted solar panels | $17,100 | [1169678](https://nearbypermits.com/montgomery-county-md/permit/1169678/) |
| Aug 20, 2026 | [20646 New Hampshire Ave](https://nearbypermits.com/montgomery-county-md/address/20646-new-hampshire-ave/) | Alteration or repair | Revision 1 - Revised plans to update the layout and updated breaker enclosure to 150A, Racking updated to K2.,Customer Wants To Use ePlansCustomer Wants To Use ePlans,Installing 61 new roof-mounted solar panels at 27.45kW DC | $85,918 | [1167865](https://nearbypermits.com/montgomery-county-md/permit/1167865/) |
| Aug 20, 2026 | [21508 New Hampshire Ave](https://nearbypermits.com/montgomery-county-md/address/21508-new-hampshire-ave/) | Fence, wall or deck | Two deck demo and two deck build with walkway between decks to make one contiguous structure. Stairs to the ground.,New Deck | $80,000 | [1153762](https://nearbypermits.com/montgomery-county-md/permit/1153762/) |
| Aug 17, 2026 | [1005 Gold Mine Rd](https://nearbypermits.com/montgomery-county-md/address/1005-gold-mine-rd/) | Alteration or repair | Interior work only. First floor - renovate bathroom & relocate laundry room to first floor. Second floor - renovation to rearrange existing 3 bedrooms and 2 baths. New roofing & extend roof overhang to be two feet. | $25,000 | [1167169](https://nearbypermits.com/montgomery-county-md/permit/1167169/) |
| Aug 11, 2026 | [19716 Golden Valley Ln](https://nearbypermits.com/montgomery-county-md/address/19716-golden-valley-ln/) | Alteration or repair | Kitchen Remodel | $100,000 | [1164461](https://nearbypermits.com/montgomery-county-md/permit/1164461/) |
| Aug 11, 2026 | [1300 Brighton Dam Rd](https://nearbypermits.com/montgomery-county-md/address/1300-brighton-dam-rd/) | Alteration or repair | Install electrical foundations for the proposed substation electrical expansion area at Brighton Substation. All work will be completed under the Sediment Control permit 297965. | $696,710 | [1147228](https://nearbypermits.com/montgomery-county-md/permit/1147228/) |
| Aug 11, 2026 | [2223 Bordly Dr](https://nearbypermits.com/montgomery-county-md/address/2223-bordly-dr/) | Fence, wall or deck | We will be building a parking area extension that will require a retaining wall approximatley 3'-6"" in height. | $33,000 | [1146229](https://nearbypermits.com/montgomery-county-md/permit/1146229/) |
| Jul 27, 2026 | [2811 Gold Mine Rd](https://nearbypermits.com/montgomery-county-md/address/2811-gold-mine-rd/) | Solar | Install roof mounted solar panels and energy storage system | $36,756 | [1162465](https://nearbypermits.com/montgomery-county-md/permit/1162465/) |
| Jul 22, 2026 | [2703 Treadwell Ln](https://nearbypermits.com/montgomery-county-md/address/2703-treadwell-ln/) | Solar | 30 roof mounted solar panels 13.5kw | $25,650 | [1161411](https://nearbypermits.com/montgomery-county-md/permit/1161411/) |
| Jul 21, 2026 | [19407 Brookeville Lakes Ct](https://nearbypermits.com/montgomery-county-md/address/19407-brookeville-lakes-ct/) | Addition | Add new 2 story framed rear addition connecting the main residence to the existing detached garage. Addition will be slab on grade.Mixed type permit: ADD 2545 SF Alter 120 SF. MD 07/20/2026 | $300,000 | [1155553](https://nearbypermits.com/montgomery-county-md/permit/1155553/) |

More: https://nearbypermits.com/montgomery-county-md/zip/20833/?page=2

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Source: Montgomery County Department of Permitting Services permit data (https://data.montgomerycountymd.gov/d/m88u-pqki). Checked 2026-10-07 05:20 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map and full list of the 30 permits in Montgomery County 20833 from the last 90 days: https://nearbypermits.com/montgomery-county-md/zip/20833/