# Building permits in Montgomery County 20896

8 permits in the last 90 days. The newest, Sep 29: Interior work only, increase size of existing window wells and egress windows (replacement for casement, at 11309 Kenilworth Ave.

| Date | Address | Type | Work | Cost | Permit |
|---|---|---|---|---|---|
| Sep 29, 2026 | [11309 Kenilworth Ave](https://nearbypermits.com/montgomery-county-md/address/11309-kenilworth-ave/) | Alteration or repair | Interior work only, increase size of existing window wells and egress windows (replacement for casement windows). | $14,000 | [1168224](https://nearbypermits.com/montgomery-county-md/permit/1168224/) |
| Sep 15, 2026 | [4405 Cambria Ave](https://nearbypermits.com/montgomery-county-md/address/4405-cambria-ave/) | Fence, wall or deck | New deck to be installed in backyard.,New Deck | $48,000 | [1167771](https://nearbypermits.com/montgomery-county-md/permit/1167771/) |
| Sep 10, 2026 | [10914 Clermont Ave](https://nearbypermits.com/montgomery-county-md/address/10914-clermont-ave/) | Addition | One story addition to the rear of the home. Renovate the existing first floor and basement as part of the addition. Mixed type permit: Add 2099 SF and Alter 304 SF | $611,879 | [1151644](https://nearbypermits.com/montgomery-county-md/permit/1151644/) |
| Aug 26, 2026 | [4507 Strathmore Ave](https://nearbypermits.com/montgomery-county-md/address/4507-strathmore-ave/) | Addition | Construct a screened porch on portion of existing deck | $60,000 | [1158674](https://nearbypermits.com/montgomery-county-md/permit/1158674/) |
| Aug 19, 2026 | [10706 Weymouth St](https://nearbypermits.com/montgomery-county-md/address/10706-weymouth-st/) | Alteration or repair | Relocate washer and dryer to level 2 remodel kitchen, powder room and laundry rooms convert level 1 half bath to full bath replace stair add closet to bedroom | $50,000 | [1166148](https://nearbypermits.com/montgomery-county-md/permit/1166148/) |
| Jul 28, 2026 | [4701 Waverly Ave](https://nearbypermits.com/montgomery-county-md/address/4701-waverly-ave/) | Fence, wall or deck | Scope build gable porch with plagstone patio floot and gable railing,new deck | $20,000 | [1161495](https://nearbypermits.com/montgomery-county-md/permit/1161495/) |
| Jul 20, 2026 | [11114 Rokeby Ave](https://nearbypermits.com/montgomery-county-md/address/11114-rokeby-ave/) | Alteration or repair | Finish an unfinished basement with bathroom, wet-bar with no cooking appliances, single door walk-out, laundry area, TV area and storage/mechanical closet. Areaway- 120 alteration- 657 customer had 407 | $20,000 | [1159830](https://nearbypermits.com/montgomery-county-md/permit/1159830/) |
| Jul 17, 2026 | [11009 Montrose Ave](https://nearbypermits.com/montgomery-county-md/address/11009-montrose-ave/) | Fence, wall or deck | Rermove the existing wood deck and install a new deck with trex floor and composite rails,new deckdeck- 139customer had 108 | $10,467 | [1160791](https://nearbypermits.com/montgomery-county-md/permit/1160791/) |
| May 13, 2026 | [10800 Keswick St](https://nearbypermits.com/montgomery-county-md/address/10800-keswick-st/) | Addition | Demo a 10 ft x 25 ft existing addition and replace with new additionMixed work type permit: ADD 1030 square feet / ALTER 1050 square feet / Deck 32 square feet [PT]. | $80,000 | [1150251](https://nearbypermits.com/montgomery-county-md/permit/1150251/) |
| Apr 30, 2026 | [11117 Rokeby Ave](https://nearbypermits.com/montgomery-county-md/address/11117-rokeby-ave/) | New building | Build single family home with finish basement and second floor following Montgomery county code, | $500,000 | [1141483](https://nearbypermits.com/montgomery-county-md/permit/1141483/) |
| Apr 21, 2026 | [10803 Montrose Ave](https://nearbypermits.com/montgomery-county-md/address/10803-montrose-ave/) | Addition | Enlarge bedroom, add new bathroom, change existing bathroom to walk-in closet | $150,000 | [1150121](https://nearbypermits.com/montgomery-county-md/permit/1150121/) |
| Mar 11, 2026 | [10915 Clermont Ave](https://nearbypermits.com/montgomery-county-md/address/10915-clermont-ave/) | Addition | Addition with 1-bedroom, 1-bathroom, and basement 1-bedroom & 1-bathroom.Mixed work type permit:ADD 180 square feetALTER 900 square feetDECK 236 square feet[PT] | $60,000 | [1143456](https://nearbypermits.com/montgomery-county-md/permit/1143456/) |
| Jan 14, 2026 | [11010 Montrose Ave](https://nearbypermits.com/montgomery-county-md/address/11010-montrose-ave/) | New building | Demolish the existing home and construct a new single family home. | $350,000 | [1120786](https://nearbypermits.com/montgomery-county-md/permit/1120786/) |
| Dec 12, 2025 | [10712 Montrose Ave](https://nearbypermits.com/montgomery-county-md/address/10712-montrose-ave/) | Solar | A roof mounted solar array consisting of 22 modules. | $21,095 | [1140349](https://nearbypermits.com/montgomery-county-md/permit/1140349/) |
| Nov 4, 2025 | [4601 Oxford St](https://nearbypermits.com/montgomery-county-md/address/4601-oxford-st/) | Solar | Install (28) Roof Mounted Solar Panels. System Size 12.88 kW | $43,000 | [1134265](https://nearbypermits.com/montgomery-county-md/permit/1134265/) |
| Oct 1, 2025 | [11009 Montrose Ave](https://nearbypermits.com/montgomery-county-md/address/11009-montrose-ave/) | Fence, wall or deck | New shed will be installed after I have a contractor install a level gravel foundation. | $8,800 | [1134122](https://nearbypermits.com/montgomery-county-md/permit/1134122/) |
| Aug 12, 2025 | [10700 Weymouth St](https://nearbypermits.com/montgomery-county-md/address/10700-weymouth-st/) | Fence, wall or deck | Repair/Replace foundation walls in garage and expand driveway, retaining wall. ALTER-343-sqft; Retaining Wall 43-linear ft (customer had 538-sqft) | $25,000 | [1124199](https://nearbypermits.com/montgomery-county-md/permit/1124199/) |
| May 28, 2025 | [10709 Weymouth St](https://nearbypermits.com/montgomery-county-md/address/10709-weymouth-st/) | Fence, wall or deck | Build a new deck 5x6 with 4 steps with pvc material and aluminum railings,New Deck | $9,000 | [1087341](https://nearbypermits.com/montgomery-county-md/permit/1087341/) |
| Feb 13, 2025 | [4517 Clermont Pl](https://nearbypermits.com/montgomery-county-md/address/4517-clermont-pl/) | New building | We are going to demolish the existing house and build a new single family dwelling. EV Charging station per md. Public safety code ann. 12-205 REQUIRED.Mixed work type permit.NEW CONSTRUCTION 6215 square feetDECK 276 square feet[PT] | $50,000 | [1088617](https://nearbypermits.com/montgomery-county-md/permit/1088617/) |
| Dec 24, 2024 | [10818 Kenilworth Ave](https://nearbypermits.com/montgomery-county-md/address/10818-kenilworth-ave/) | Addition | Replace and enlarge existing screen porch. Rebuild existing area way and stairs to basement | $45,000 | [1093464](https://nearbypermits.com/montgomery-county-md/permit/1093464/) |
| Dec 20, 2024 | [10910 Clermont Ave](https://nearbypermits.com/montgomery-county-md/address/10910-clermont-ave/) | Addition | Screen porch addition, kitchen remodel, new / replacement windows, front porch repair (column trims, brackets, porch flooring), siding change at front gable.alt 1121 new PORCH/DECK 256 | $187,000 | [1093031](https://nearbypermits.com/montgomery-county-md/permit/1093031/) |
| Dec 4, 2024 | [10939 Montrose Ave](https://nearbypermits.com/montgomery-county-md/address/10939-montrose-ave/) | Fence, wall or deck | Replacing 32 SQ FT of masonary steps on existing front porch, 32sq FT of concrete steps with flagstone | $5,000 | [1095037](https://nearbypermits.com/montgomery-county-md/permit/1095037/) |
| Dec 4, 2024 | [10939 Montrose Ave](https://nearbypermits.com/montgomery-county-md/address/10939-montrose-ave/) | Fence, wall or deck | 372 Sq Ft Deck with 2 Landings and Steps to Grade | $75,702 | [1091602](https://nearbypermits.com/montgomery-county-md/permit/1091602/) |
| Oct 21, 2024 | [11312 Rokeby Ave](https://nearbypermits.com/montgomery-county-md/address/11312-rokeby-ave/) | Fence, wall or deck | Build foundation and install 10'x12' shed from Home Depot,New Shed | $7,000 | [1090571](https://nearbypermits.com/montgomery-county-md/permit/1090571/) |
| Oct 8, 2024 | [11204 Kenilworth Ave](https://nearbypermits.com/montgomery-county-md/address/11204-kenilworth-ave/) | Addition | Interior work only,Proposed enclosure of existing 309 SF screened porch - no changes to building footprint or setbacks proposed. | $86,000 | [1087262](https://nearbypermits.com/montgomery-county-md/permit/1087262/) |

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Source: Montgomery County Department of Permitting Services permit data (https://data.montgomerycountymd.gov/d/m88u-pqki). Checked 2026-10-07 03:18 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map and full list of the 8 permits in Montgomery County 20896 from the last 90 days: https://nearbypermits.com/montgomery-county-md/zip/20896/