# Building permits in Montgomery County 20905

58 permits in the last 90 days. The newest, Oct 6: Construction new deck - MC Deck Details IRC-2021, at 15400 New Hampshire Ave.

| Date | Address | Type | Work | Cost | Permit |
|---|---|---|---|---|---|
| Oct 6, 2026 | [15400 New Hampshire Ave](https://nearbypermits.com/montgomery-county-md/address/15400-new-hampshire-ave/) | Fence, wall or deck | Construction new deck - MC Deck Details IRC-2021. | $200 | [1168972](https://nearbypermits.com/montgomery-county-md/permit/1168972/) |
| Oct 1, 2026 | [15533 Thompson Rd](https://nearbypermits.com/montgomery-county-md/address/15533-thompson-rd/) | Fence, wall or deck | Remove the existing exterior deck and construct a new replacement deck in accordance with the submit,New Deck Customer states 708. Deck1=749sf Deck2==71sf. Total=820sf. | $40,000 | [1168687](https://nearbypermits.com/montgomery-county-md/permit/1168687/) |
| Sep 30, 2026 | [2504 Countryside Dr](https://nearbypermits.com/montgomery-county-md/address/2504-countryside-dr/) | Alteration or repair | Applying for an existing shed installed few years ago. It is 8ftL and 5ftW.,Repair Existing Shed | $2,500 | [1170176](https://nearbypermits.com/montgomery-county-md/permit/1170176/) |
| Sep 29, 2026 | [15523 Langside St](https://nearbypermits.com/montgomery-county-md/address/15523-langside-st/) | Alteration or repair | We are going to repair the interior of the house from a tree that damage the roof, we will do new drywall, flooring, new kitchen layout and add new laundry area on upper level. | $104,152 | [1171003](https://nearbypermits.com/montgomery-county-md/permit/1171003/) |
| Sep 29, 2026 | [306 Cloverly Forest Dr](https://nearbypermits.com/montgomery-county-md/address/306-cloverly-forest-dr/) | Fence, wall or deck | Build new 20'x11' screen porch & 11'x10' open deck w/stairs & landing to grade.,New Deck Mixed work type permit: ADD 222 square feet / DECK 143 square feet [PT]. | $48,900 | [1170857](https://nearbypermits.com/montgomery-county-md/permit/1170857/) |
| Sep 28, 2026 | [15200 Winstead Ln](https://nearbypermits.com/montgomery-county-md/address/15200-winstead-ln/) | Fence, wall or deck | Install deck (landing) and stairs,New Deck | $6,903 | [1172205](https://nearbypermits.com/montgomery-county-md/permit/1172205/) |
| Sep 28, 2026 | [14721 Claude Ln](https://nearbypermits.com/montgomery-county-md/address/14721-claude-ln/) | Alteration or repair | Interior work only,Installation of 5 Push Piers. | $16,709 | [1172070](https://nearbypermits.com/montgomery-county-md/permit/1172070/) |
| Sep 25, 2026 | [17 Woonsockett Ct](https://nearbypermits.com/montgomery-county-md/address/17-woonsockett-ct/) | Alteration or repair | Interior work only,New cut in window installation. | $4,397 | [1171665](https://nearbypermits.com/montgomery-county-md/permit/1171665/) |
| Sep 25, 2026 | [15700 Thompson Rd](https://nearbypermits.com/montgomery-county-md/address/15700-thompson-rd/) | Addition | Construction of new front porch, to be build on 20x6 concrete slab on grade with home. Build a covered standing seam metal roof above slab | $20,000 | [1170395](https://nearbypermits.com/montgomery-county-md/permit/1170395/) |
| Sep 22, 2026 | [1220 Millgrove Rd](https://nearbypermits.com/montgomery-county-md/address/1220-millgrove-rd/) | Solar | PV Solar panel installation roof mounted 32 modules-roof mounted - 13.120 kw dc, 11.168 kw ac | $55,891 | [1171383](https://nearbypermits.com/montgomery-county-md/permit/1171383/) |
| Sep 22, 2026 | [2024 Mayflower Dr](https://nearbypermits.com/montgomery-county-md/address/2024-mayflower-dr/) | Addition | Putting up new rear deck at 260 square feet and a new front porch at 96 square feet. Mixed Work Type: Front Porch 96sf, Deck 260sf. | $40,000 | [1170734](https://nearbypermits.com/montgomery-county-md/permit/1170734/) |
| Sep 22, 2026 | [15016 Butterchurn Ln](https://nearbypermits.com/montgomery-county-md/address/15016-butterchurn-ln/) | Alteration or repair | Installation of Push Piers to Foundation Walls. | $5,995 | [1170373](https://nearbypermits.com/montgomery-county-md/permit/1170373/) |
| Sep 22, 2026 | [1336 Windmill Ln](https://nearbypermits.com/montgomery-county-md/address/1336-windmill-ln/) | Solar | Remove all existing roof mounted solar panels, then install 43 replacement solar panels | $499 | [1162561](https://nearbypermits.com/montgomery-county-md/permit/1162561/) |
| Sep 21, 2026 | [15545 New Hampshire Ave](https://nearbypermits.com/montgomery-county-md/address/15545-new-hampshire-ave/) | Alteration or repair | Interior work only. Convert existing one car garage into an office. | $12,500 | [1169473](https://nearbypermits.com/montgomery-county-md/permit/1169473/) |
| Sep 17, 2026 | [308 Cloverly Forest Dr](https://nearbypermits.com/montgomery-county-md/address/308-cloverly-forest-dr/) | Fence, wall or deck | Build a covered 16'6""x12' screened porch and an open 9'x5' deck with stairs. | $22,721 | [1168040](https://nearbypermits.com/montgomery-county-md/permit/1168040/) |
| Sep 14, 2026 | [15229 Centergate Dr](https://nearbypermits.com/montgomery-county-md/address/15229-centergate-dr/) | Alteration or repair | 1) Renovate and expand kitchen 2) Add full bathroom in basement. Not approved for ADU | $100,000 | [1169790](https://nearbypermits.com/montgomery-county-md/permit/1169790/) |
| Sep 14, 2026 | [2036 Mayflower Dr](https://nearbypermits.com/montgomery-county-md/address/2036-mayflower-dr/) | Alteration or repair | Interior work only,Installation of Kitchen in Basement, This is an Accessory Dwelling Unit. | $23,000 | [1168476](https://nearbypermits.com/montgomery-county-md/permit/1168476/) |
| Sep 11, 2026 | [15313 Durant St](https://nearbypermits.com/montgomery-county-md/address/15313-durant-st/) | Solar | Temporary removal and reinstallation of existing 30 roof mounted solar panels. No changes or upgrades to occur from original installation | $499 | [1170517](https://nearbypermits.com/montgomery-county-md/permit/1170517/) |
| Sep 11, 2026 | [1224 Windmill Ln](https://nearbypermits.com/montgomery-county-md/address/1224-windmill-ln/) | Solar | Temporary removal and reinstallation of 40 existing roof-mounted solar panels. No other changes or upgrades to occur from original installation | $499 | [1170495](https://nearbypermits.com/montgomery-county-md/permit/1170495/) |
| Sep 9, 2026 | [25 Stonegate Dr](https://nearbypermits.com/montgomery-county-md/address/25-stonegate-dr/) | Fence, wall or deck | Shed for yard equipment storage only (Lawn mower, Weed eater, blower etc). No utilities,New Shed | $2,000 | [1170185](https://nearbypermits.com/montgomery-county-md/permit/1170185/) |
| Sep 9, 2026 | [15222 Centergate Dr](https://nearbypermits.com/montgomery-county-md/address/15222-centergate-dr/) | Solar | Install (50) roof mounted solar panels, (50) enphase micro inverters, (2) Junction Box, (2) ac disconnects, (2) Enphase IQ Combiner 5, (1) Tesla Backup Gateway 3, (1) ESS Disconnect Switch, (1) Tesla Powerwall 3, (1) Tesla Powerwall 3 Expansion Unit, (1) Tesla Wall Connector Gen 3, (1) Tap Box, (1)  | $8,257 | [1169322](https://nearbypermits.com/montgomery-county-md/permit/1169322/) |
| Sep 4, 2026 | [1917 Briggs Chaney Rd](https://nearbypermits.com/montgomery-county-md/address/1917-briggs-chaney-rd/) | Solar | 23 roof mounted solar panels | $19,665 | [1170545](https://nearbypermits.com/montgomery-county-md/permit/1170545/) |
| Sep 4, 2026 | [15104 Timberlake Dr](https://nearbypermits.com/montgomery-county-md/address/15104-timberlake-dr/) | Solar | Install (49) roof mounted solar panels, 21.070 kw | $49,000 | [1170486](https://nearbypermits.com/montgomery-county-md/permit/1170486/) |
| Sep 3, 2026 | [801 Briggs Chaney Rd](https://nearbypermits.com/montgomery-county-md/address/801-briggs-chaney-rd/) | Alteration or repair | Revision 1 - REVISIONS NEEDED TO REFLECT PANEL LAYOUT CHANGE,Customer Wants To Use ePlansCustomer Wants To Use ePlans,Installation of 17.6kw (40) roof-mounted solar modules on existing SFD | $16,000 | [1169609](https://nearbypermits.com/montgomery-county-md/permit/1169609/) |
| Sep 2, 2026 | [15004 Butterchurn Ln](https://nearbypermits.com/montgomery-county-md/address/15004-butterchurn-ln/) | Fence, wall or deck | Build (1) Geogrid-reinforced modular block retaining wall using the Keystone Compact III near vertical wall system. The wall has a total surface area of 603 sf, maximum exposed height of 6'-6"", and a maximum total height including embedment below finished grade of 9.67 | $3,112,500 | [1168754](https://nearbypermits.com/montgomery-county-md/permit/1168754/) |

More: https://nearbypermits.com/montgomery-county-md/zip/20905/?page=2

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Source: Montgomery County Department of Permitting Services permit data (https://data.montgomerycountymd.gov/d/m88u-pqki). Checked 2026-10-08 01:55 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map and full list of the 58 permits in Montgomery County 20905 from the last 90 days: https://nearbypermits.com/montgomery-county-md/zip/20905/