# Building permits in Montgomery County 20879

40 permits in the last 90 days. The newest, Sep 30: PV Solar panel installation roof mounted 22 modules-roof mounted - 9.020 kw dc, at 8555 Calypso Ln.

| Date | Address | Type | Work | Cost | Permit |
|---|---|---|---|---|---|
| Sep 30, 2026 | [8555 Calypso Ln](https://nearbypermits.com/montgomery-county-md/address/8555-calypso-ln/) | Solar | PV Solar panel installation roof mounted 22 modules-roof mounted - 9.020 kw dc, 7.678 kw ac | $43,927 | [1171098](https://nearbypermits.com/montgomery-county-md/permit/1171098/) |
| Sep 29, 2026 | [7223 Antares Dr](https://nearbypermits.com/montgomery-county-md/address/7223-antares-dr/) | Solar | Sfd/install 42 roof mounted solar panels. System size 18.48kw | $52,000 | [1171193](https://nearbypermits.com/montgomery-county-md/permit/1171193/) |
| Sep 29, 2026 | [8787 Snouffer School Rd](https://nearbypermits.com/montgomery-county-md/address/8787-snouffer-school-rd/) | Alteration or repair | Interior work only,addition of a modular office inside of existing warehouse related to permit #1143030 | $53,912 | [1152723](https://nearbypermits.com/montgomery-county-md/permit/1152723/) |
| Sep 18, 2026 | [18857 Cross Country Ln](https://nearbypermits.com/montgomery-county-md/address/18857-cross-country-ln/) | Alteration or repair | The home caught fire. Approximately 10 roof tresses and ridge beam need to be replaced. | $9,500 | [1169804](https://nearbypermits.com/montgomery-county-md/permit/1169804/) |
| Sep 14, 2026 | [9112 Roundleaf Way](https://nearbypermits.com/montgomery-county-md/address/9112-roundleaf-way/) | Fence, wall or deck | Building a 200 sq. ft. deck with a 400 sq. ft. porch. | $10,000 | [1166734](https://nearbypermits.com/montgomery-county-md/permit/1166734/) |
| Sep 11, 2026 | [7601 Lindbergh Dr](https://nearbypermits.com/montgomery-county-md/address/7601-lindbergh-dr/) | Fence, wall or deck | Install a 7-0"" black vinyl coated chainlink fence and gates to secure side/rear lots. | Not listed | [1161403](https://nearbypermits.com/montgomery-county-md/permit/1161403/) |
| Sep 8, 2026 | [18613 Kingfisher Ter](https://nearbypermits.com/montgomery-county-md/address/18613-kingfisher-ter/) | Alteration or repair | Restoration work from fire damage. Replace damaged studs and joists. New insulation on all exterior walls, complete new drywall installation with all new electric, plumbing and mechanical. All new floors, and paint in the interior repaired walls. | $70,000 | [1161260](https://nearbypermits.com/montgomery-county-md/permit/1161260/) |
| Sep 4, 2026 | [18909 Cathedral Dr](https://nearbypermits.com/montgomery-county-md/address/18909-cathedral-dr/) | Addition | Constructing a new sunroom on the north side of the residence with glass walls, a glass roof system, and a conservadeck structural floor. The project also includes a new landing, steps, and handrail, and the replacement of one existing sliding door with a new double flush door | $207,305 | [1166208](https://nearbypermits.com/montgomery-county-md/permit/1166208/) |
| Sep 3, 2026 | [18325 Winter Park Ct](https://nearbypermits.com/montgomery-county-md/address/18325-winter-park-ct/) | Alteration or repair | Kitchen remodel, remove non load bearing wall | $4,000 | [1170254](https://nearbypermits.com/montgomery-county-md/permit/1170254/) |
| Sep 3, 2026 | [7301 Hadley Farms Dr](https://nearbypermits.com/montgomery-county-md/address/7301-hadley-farms-dr/) | New building |  | Not listed | [1166604](https://nearbypermits.com/montgomery-county-md/permit/1166604/) |
| Sep 1, 2026 | [9153 Centerway Rd](https://nearbypermits.com/montgomery-county-md/address/9153-centerway-rd/) | Fence, wall or deck | Construct a 16'x20' composite deck with pressure treated railings with composite drink rail.,New Deck | $10,000 | [1168145](https://nearbypermits.com/montgomery-county-md/permit/1168145/) |
| Aug 28, 2026 | [18849 Woodfield Rd](https://nearbypermits.com/montgomery-county-md/address/18849-woodfield-rd/) | Other | Requesting permit for a temporary 46' x 10' office trailer WITH SERIAL # 33444-61 AND MODEL #1250T AND ADA RAMP AND STAIRS. | $50,000 | [1157741](https://nearbypermits.com/montgomery-county-md/permit/1157741/) |
| Aug 27, 2026 | [18849 Woodfield Rd](https://nearbypermits.com/montgomery-county-md/address/18849-woodfield-rd/) | Other | Requesting permit for a 36' x 10' temporary construction trailer. | $30,000 | [1157753](https://nearbypermits.com/montgomery-county-md/permit/1157753/) |
| Aug 26, 2026 | [7503 Muncaster Mill Rd](https://nearbypermits.com/montgomery-county-md/address/7503-muncaster-mill-rd/) | Fence, wall or deck | Construct 1 segmental block retaining wall - length 402.75' x height 4.97' at tallest point | $64,000 | [1162697](https://nearbypermits.com/montgomery-county-md/permit/1162697/) |
| Aug 24, 2026 | [18221 Flower Hill Way](https://nearbypermits.com/montgomery-county-md/address/18221-flower-hill-way/) | Alteration or repair | Interior work only,proposed tenant is a specialty cosmetology beauty shop/wig fitting. No architectural work. Scope of work is limited to installation of new exhaust intake ventilation & ductwork. No change of use. | $8,000 | [1166003](https://nearbypermits.com/montgomery-county-md/permit/1166003/) |
| Aug 21, 2026 | [18504 Cape Jasmine Way](https://nearbypermits.com/montgomery-county-md/address/18504-cape-jasmine-way/) | Fence, wall or deck | Revision 0 - moving stairs to other side of the deck.Revision 0 - changing stair location. Demo existing deck; build 596 SF composite deck, railings, stairs, and 275 SF paver patio.,New Deck | $100,000 | [1168834](https://nearbypermits.com/montgomery-county-md/permit/1168834/) |
| Aug 19, 2026 | [19824 Goshen Rd](https://nearbypermits.com/montgomery-county-md/address/19824-goshen-rd/) | Fence, wall or deck | Construct new 15'x12' freestanding pressure-treated deck per-Montgomery County deck guidelines.,New DeckNEW DECK TO BE INDEPENDANT OF EXISTING DECK | $13,000 | [1168750](https://nearbypermits.com/montgomery-county-md/permit/1168750/) |
| Aug 18, 2026 | [9825 Mainsail Dr](https://nearbypermits.com/montgomery-county-md/address/9825-mainsail-dr/) | Fence, wall or deck | Building open deck with stairs 2 feet in height, New Deck | $37,000 | [1167321](https://nearbypermits.com/montgomery-county-md/permit/1167321/) |
| Aug 13, 2026 | [11408 Rambling Rd](https://nearbypermits.com/montgomery-county-md/address/11408-rambling-rd/) | Solar | Install roof mounted solar panels and energy storage system | $22,347 | [1168231](https://nearbypermits.com/montgomery-county-md/permit/1168231/) |
| Aug 13, 2026 | [18 Mountain Laurel Ct](https://nearbypermits.com/montgomery-county-md/address/18-mountain-laurel-ct/) | Solar | Temporary removal and reinstallation of 14 roof-mounted solar panels | $499 | [1167645](https://nearbypermits.com/montgomery-county-md/permit/1167645/) |
| Aug 11, 2026 | [9313 Emory Grove Rd](https://nearbypermits.com/montgomery-county-md/address/9313-emory-grove-rd/) | Alteration or repair | Creating an opening in order to put in an entry door that will be off the dining room leading to the outside. (Correction - eliminating egress windows). Not approved for ADU. Mixed work type permit: ALTER 25 square feet / DECK 10 square feet [PT]. | $10,000 | [1162159](https://nearbypermits.com/montgomery-county-md/permit/1162159/) |
| Aug 6, 2026 | [9 Rolling Knoll Ct](https://nearbypermits.com/montgomery-county-md/address/9-rolling-knoll-ct/) | Addition | Revision 1 - RECEIVED 9/2/2026- REVISION APPROVED 9/29/2026-Expand left-front bedroom closet. Change front bedroom to office and office to right-front bedroom.,Customer Wants To Use ePlans Septic note: Room above garage cannot have any closets constructed. This would make the room a bedroom and the  | $30,000 | [1161081](https://nearbypermits.com/montgomery-county-md/permit/1161081/) |
| Aug 4, 2026 | [19540 Laguna Dr](https://nearbypermits.com/montgomery-county-md/address/19540-laguna-dr/) | Alteration or repair | Installation of Two Egress Windows and Wells to Existing Windows(Lentils Not widened) | $6,895 | [1166366](https://nearbypermits.com/montgomery-county-md/permit/1166366/) |
| Aug 4, 2026 | [7951 Cessna Ave](https://nearbypermits.com/montgomery-county-md/address/7951-cessna-ave/) | Alteration or repair | Interior alteration of existing tenant suite. Tenant fit-out to include demolition of existing partitions; and construction of new partitions, doors, and millwork. New electrical work to modify lighting and power to reflect new plan. All electrical runs are to connect to existing building main elect | $750,000 | [1153463](https://nearbypermits.com/montgomery-county-md/permit/1153463/) |
| Jul 28, 2026 | [8709 Cathedral Way](https://nearbypermits.com/montgomery-county-md/address/8709-cathedral-way/) | Solar | Installation of 10 roof mounted solar panels to an existing solar system | $8,550 | [1166431](https://nearbypermits.com/montgomery-county-md/permit/1166431/) |

More: https://nearbypermits.com/montgomery-county-md/zip/20879/?page=2

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Source: Montgomery County Department of Permitting Services permit data (https://data.montgomerycountymd.gov/d/m88u-pqki). Checked 2026-10-05 18:59 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map and full list of the 40 permits in Montgomery County 20879 from the last 90 days: https://nearbypermits.com/montgomery-county-md/zip/20879/