# Building permits at 620 Ritchie Ave, Montgomery County, MD One permit on record here. The newest, Sep 1: Interior alterations to existing one story new two story addition to rear with new second floor over existing. Within a quarter mile, the county has issued 4 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Sep 1, 2026 | Addition | Interior alterations to existing one story new two story addition to rear with new second floor over existing first floor. New stair from first floor to second floor. New kitchen on first floor with living room, dining, bedroom and both on first floor. Utility remain in basement. Second floor with f | $200,000 | [1164377](https://nearbypermits.com/montgomery-county-md/permit/1164377/) | ## Within ¼ mi since May 1, 2026 4 permits in the circle. From our copy of the county's data (last 24 months). ### This block (250 to 1,000 ft), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 21, 2026 | [620 Gist Ave](https://nearbypermits.com/montgomery-county-md/address/620-gist-ave/) | 730 ft SW | Alteration or repair | Replace (11) 2x10 joists @ 16"" O.C. under the bathroom that we are remodeling | $1,000 | [1170839](https://nearbypermits.com/montgomery-county-md/permit/1170839/) | | Aug 18, 2026 | [607 Mississippi Ave](https://nearbypermits.com/montgomery-county-md/address/607-mississippi-ave/) | 500 ft NE | Addition | Two story addition in rear, Plus Alterations to the basement, main floor and second floor, plus a new deck.ADD: 1,710-sqft / ALT: 1,590-sqft / Deck: 200-sqft / New Roof: 472-sqft. | $200,000 | [1157209](https://nearbypermits.com/montgomery-county-md/permit/1157209/) | | Aug 5, 2026 | [624 Gist Ave](https://nearbypermits.com/montgomery-county-md/address/624-gist-ave/) | 770 ft SW | Alteration or repair | Revision 1 - REVISED ELECTRICAL DIAGRAM ON PLANS TO INCLUDE A NEW 200A SERVICE DISCONNECT AND REMOVE THE NON FUSIBLE DISCONNECT AS SHOWN ON THE ORIGINAL PLANS.,Customer Wants To Use ePlansCustomer Wants To Use ePlans,Installation of 3.96kw (9) roof-mounted solar modules on existing SFD | $4,000 | [1156329](https://nearbypermits.com/montgomery-county-md/permit/1156329/) | ### Farther (1,000 ft to ¼ mi), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 22, 2026 | [704 Gist Ave](https://nearbypermits.com/montgomery-county-md/address/704-gist-ave/) | 0.20 mi W | Alteration or repair | Revision 1 - REVISE PERMIT ONLY TO MATCH APPROVED PLANS - Installation of 7.04kw (16) roof-mounted solar modules,Customer Wants To Use ePlansCustomer Wants To Use ePlans,Installation of 7.395kw (17) roof-mounted solar modules on existing SFD | $7,000 | [1168828](https://nearbypermits.com/montgomery-county-md/permit/1168828/) | ## 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 Ritchie Ave with permits, nearest house number first: - [622 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/622-ritchie-ave/): newest permit Nov 18, 2025 - [637 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/637-ritchie-ave/): newest permit Mar 18, 2025 - [708 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/708-ritchie-ave/): newest permit Jun 11, 2025 - [709 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/709-ritchie-ave/): newest permit Mar 12, 2025 - [719 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/719-ritchie-ave/): newest permit Jan 29, 2025 - [720 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/720-ritchie-ave/): newest permit Apr 4, 2025 - [127 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/127-ritchie-ave/): newest permit Feb 24, 2025 - [102 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/102-ritchie-ave/): newest permit Dec 18, 2025 - [100 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/100-ritchie-ave/): newest permit Jun 5, 2025 - [30 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/30-ritchie-ave/): newest permit Nov 21, 2025 --- Source: Montgomery County Department of Permitting Services permit data (https://data.montgomerycountymd.gov/d/m88u-pqki). Checked 2026-10-12 21:05 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, the one permit at this address and 4 nearby: https://nearbypermits.com/montgomery-county-md/address/620-ritchie-ave/