# Building permits at 18402 Thundercloud Rd, Montgomery County, MD Four permits on record here. The newest, Jan 29: Installation of 35 roof mounted solar panels with energy storage system. Within a quarter mile, the county has issued 5 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jan 29, 2026 | Solar | Installation of 35 roof mounted solar panels with energy storage system. | $27,265 | [1144099](https://nearbypermits.com/montgomery-county-md/permit/1144099/) | | Jul 3, 2017 | Fence, wall or deck | 252 sf deck | $8,000 | [805182](https://nearbypermits.com/montgomery-county-md/permit/805182/) | | Dec 10, 2010 | Alteration or repair | Finishing Basement | $38,000 | [556551](https://nearbypermits.com/montgomery-county-md/permit/556551/) | | Jun 25, 2002 | New building | Model: southill modified | $135,000 | [274204](https://nearbypermits.com/montgomery-county-md/permit/274204/) | ## Within ¼ mi since May 1, 2026 5 permits in the circle. From our copy of the county's data (last 24 months). ### Next door (under 250 ft), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 10, 2026 | [18406 Thundercloud Rd](https://nearbypermits.com/montgomery-county-md/address/18406-thundercloud-rd/) | 160 ft N | Fence, wall or deck | The deck consists of two separate decks a combination of a L shape.,New Deck | $20,000 | [1161000](https://nearbypermits.com/montgomery-county-md/permit/1161000/) | ### This block (250 to 1,000 ft), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 22, 2026 | [18408 Cornflower Rd](https://nearbypermits.com/montgomery-county-md/address/18408-cornflower-rd/) | 740 ft E | Solar | Remove all existing roof mounted solar panels, then install 32 solar panels | $499 | [1168716](https://nearbypermits.com/montgomery-county-md/permit/1168716/) | | Aug 6, 2026 | [14303 Crazy Quilt Ct](https://nearbypermits.com/montgomery-county-md/address/14303-crazy-quilt-ct/) | 900 ft NE | Solar | Installing roof mounted solar PV system | $22,900 | [1164945](https://nearbypermits.com/montgomery-county-md/permit/1164945/) | | Jul 1, 2026 | [18411 Cornflower Rd](https://nearbypermits.com/montgomery-county-md/address/18411-cornflower-rd/) | 750 ft E | Solar | We are installing a roof-mounted solar system with following details: System Size: 16.4 KW D Panels: 40 x HANWHA QCELL Q.PEAK DUO BLK ML-G10.C+ 410 MODULES Inverter: 1 x SOLAREDGE SE11400H-US (USE11400H-USSKBEZ8) INVERTER Optimizers: 40 x SOLAREDGE U650 OPTIMIZERS | $32,800 | [1161951](https://nearbypermits.com/montgomery-county-md/permit/1161951/) | ### Farther (1,000 ft to ¼ mi), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 20, 2026 | [14320 Kings Crossing Blvd](https://nearbypermits.com/montgomery-county-md/address/14320-kings-crossing-blvd/) | 0.22 mi N | Solar | Installation of a 21-module, 9.24kW roof-mounted solar PV system | $15,624 | [1168915](https://nearbypermits.com/montgomery-county-md/permit/1168915/) | ## Zoning requests nearby We don't list zoning cases for Montgomery County yet. Look them up on the county's Board of Appeals page: https://www.montgomerycountymd.gov/board-appeals ## More on this street Other addresses on Thundercloud Rd with permits, nearest house number first: - [18406 Thundercloud Rd](https://nearbypermits.com/montgomery-county-md/address/18406-thundercloud-rd/): newest permit Sep 10, 2026 - [18424 Thundercloud Rd](https://nearbypermits.com/montgomery-county-md/address/18424-thundercloud-rd/): newest permit Dec 6, 2024 - [18431 Thundercloud Rd](https://nearbypermits.com/montgomery-county-md/address/18431-thundercloud-rd/): newest permit Jun 12, 2025 - [18503 Thundercloud Rd](https://nearbypermits.com/montgomery-county-md/address/18503-thundercloud-rd/): newest permit Mar 7, 2025 - [18612 Thundercloud Rd](https://nearbypermits.com/montgomery-county-md/address/18612-thundercloud-rd/): newest permit Jul 18, 2025 - [18625 Thundercloud Rd](https://nearbypermits.com/montgomery-county-md/address/18625-thundercloud-rd/): newest permit Sep 4, 2026 --- Source: Montgomery County Department of Permitting Services permit data (https://data.montgomerycountymd.gov/d/m88u-pqki). Checked 2026-10-09 19:05 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 4 permits at this address and 5 nearby: https://nearbypermits.com/montgomery-county-md/address/18402-thundercloud-rd/