# Building permits at 9 Ridge Ave, Marin County, CA Three permits on record here. The newest, Dec 23, 2025: Replace Plumbing Fixtures(s). Within a quarter mile, the county has issued 2 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Dec 23, 2025 | Plumbing | Replace Plumbing Fixtures(s); | $2,700 | [B45274](https://nearbypermits.com/marin-county/permit/B45274/) | | Jun 22, 2022 | Mechanical (HVAC) | Replace Ductwork, Mechanical Appliance, Replace Mechanical Appliance; | $16,576 | [B30147](https://nearbypermits.com/marin-county/permit/B30147/) | | Oct 19, 2020 | Mechanical (HVAC) | Mechanical Appliance, Replace Mechanical Appliance; | $16,576 | [B23881](https://nearbypermits.com/marin-county/permit/B23881/) | ## Within ΒΌ 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 | |---|---|---|---|---|---|---| | Jul 1, 2026 | [5 Ridge Ave](https://nearbypermits.com/marin-county/address/5-ridge-ave/) | 280 ft SE | Plumbing | Replace Plumbing Fixtures(s); | $9,239 | [B47367](https://nearbypermits.com/marin-county/permit/B47367/) | | May 12, 2026 | [4 St Jude Rd](https://nearbypermits.com/marin-county/address/4-st-jude-rd/) | 400 ft N | Electrical | New Circuits / Outlets; | $1,000 | [B46778](https://nearbypermits.com/marin-county/permit/B46778/) | ## Zoning requests nearby We don't list zoning cases for Marin County yet. Look them up on the county's Planning Commission page: https://www.marincounty.gov/departments/cda/planning/boards-commissions-and-public-hearings/about-planning-commission ## More on this street Other addresses on Ridge Ave with permits, nearest house number first: - [8 Ridge Ave](https://nearbypermits.com/marin-county/address/8-ridge-ave/): newest permit Dec 4, 2024 - [5 Ridge Ave](https://nearbypermits.com/marin-county/address/5-ridge-ave/): newest permit Jul 1, 2026 - [3 Ridge Ave](https://nearbypermits.com/marin-county/address/3-ridge-ave/): newest permit Nov 19, 2025 - [45 Ridge Ave](https://nearbypermits.com/marin-county/address/45-ridge-ave/): newest permit Oct 22, 2024 - [49 Ridge Ave](https://nearbypermits.com/marin-county/address/49-ridge-ave/): newest permit Oct 30, 2025 - [51 Ridge Ave](https://nearbypermits.com/marin-county/address/51-ridge-ave/): newest permit Feb 16, 2026 - [55 Ridge Ave](https://nearbypermits.com/marin-county/address/55-ridge-ave/): newest permit Apr 9, 2026 - [61 Ridge Ave](https://nearbypermits.com/marin-county/address/61-ridge-ave/): newest permit Nov 22, 2024 - [69 Ridge Ave](https://nearbypermits.com/marin-county/address/69-ridge-ave/): newest permit Mar 20, 2026 --- Source: Marin County Community Development Agency permit data (https://data.marincounty.gov/d/mkbn-caye), County of Marin, CA, ODbL 1.0 (https://opendatacommons.org/licenses/odbl/1-0/). Checked 2026-10-16 12:10 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Contains information from Building Permit (County of Marin, CA), which is made available here under the Open Database License (ODbL). Database: https://data.marincounty.gov/d/mkbn-caye License: https://opendatacommons.org/licenses/odbl/1-0/ Map, all 3 permits at this address and 2 nearby: https://nearbypermits.com/marin-county/address/9-ridge-ave/