# Building permits at 30 Ritchie Ave, Montgomery County, MD

Five permits on record here. The newest, Nov 21, 2025: The construction of a new single family residence with basement ADU. Within a quarter mile, the county has issued 2 more permits since May 1. One is for a new building, 480 ft away.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Nov 21, 2025 | New building | The construction of a new single family residence with basement ADU | $250,000 | [1118876](https://nearbypermits.com/montgomery-county-md/permit/1118876/) |
| Oct 10, 2025 | Fence, wall or deck | Construction of a new retaining wall system to service proposed residence. | $2,500 | [1131253](https://nearbypermits.com/montgomery-county-md/permit/1131253/) |
| Aug 18, 2025 | Alteration or repair | Revision 1 - Change to 19.36 kW DC 23.0 kW AC, with battery backup inverters. Changed location of MSP.,Customer Wants To Use ePlansCustomer Wants To Use ePlans,Installation of a 19.14 kW roof-mount PV system, consisting of 44 solar modules | $30,500 | [1127344](https://nearbypermits.com/montgomery-county-md/permit/1127344/) |
| Jul 6, 2017 | Fence, wall or deck | Shed | $1,000 | [805571](https://nearbypermits.com/montgomery-county-md/permit/805571/) |
| Sep 22, 2015 | Alteration or repair | Altering the stairs and kitchen | $19,000 | [723052](https://nearbypermits.com/montgomery-county-md/permit/723052/) |

## Within ¼ mi since May 1, 2026

2 permits in the circle. From our copy of the county's data (last 24 months).

### This block (250 to 1,000 ft), 2 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | [35 Oswego Ave](https://nearbypermits.com/montgomery-county-md/address/35-oswego-ave/) | 480 ft SW | Fence, wall or deck | Permit is for detached retaining wall. Max ht. is ~4' | $7,500 | [1158765](https://nearbypermits.com/montgomery-county-md/permit/1158765/) |
| May 12, 2026 | [35 Oswego Ave](https://nearbypermits.com/montgomery-county-md/address/35-oswego-ave/) | 480 ft SW | New building | We intend to build a wood frame 2 story single family home (All Electric)CONSTRUCT: 6601 SQ. Ftgarage : 806 SQ. Ftporch : 130 SQ. FT | $1,500,000 | [1132823](https://nearbypermits.com/montgomery-county-md/permit/1132823/) |

## 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:

- [100 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/100-ritchie-ave/): newest permit Jun 5, 2025
- [102 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/102-ritchie-ave/): newest permit Dec 18, 2025
- [127 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/127-ritchie-ave/): newest permit Feb 24, 2025
- [620 Ritchie Ave](https://nearbypermits.com/montgomery-county-md/address/620-ritchie-ave/): newest permit Sep 1, 2026
- [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

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Source: Montgomery County Department of Permitting Services permit data (https://data.montgomerycountymd.gov/d/m88u-pqki). Checked 2026-10-17 07:00 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 5 permits at this address and 2 nearby: https://nearbypermits.com/montgomery-county-md/address/30-ritchie-ave/