# Building permits at 21 Cedar Ave, Marin County, CA The biggest project within a quarter mile since May 1: a $1M project at 332 Kent Ave, permitted Jun 8. One permit here in the last two years. The newest, Jul 6: Service Upgrade. Within a quarter mile, the county has issued 20 more permits (19 projects) since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jul 6, 2026 | Electrical | Service Upgrade; | $19,500 | [B47401](https://nearbypermits.com/marin-county/permit/B47401/) | ## Within ¼ mi since May 1, 2026 20 permits in the circle. From our copy of the county's data (last 24 months). ### This block (250 to 1,000 ft), 14 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 24, 2026 | [55 Redwood Dr](https://nearbypermits.com/marin-county/address/55-redwood-dr/) | 530 ft W | Other | | $15,426 | [B48285](https://nearbypermits.com/marin-county/permit/B48285/) | | Sep 15, 2026 | [1100 Sir Francis Drake Blvd](https://nearbypermits.com/marin-county/address/1100-sir-francis-drake-blvd/) | 710 ft NE | Roofing | ReRoofing; | $25,000 | [B48331](https://nearbypermits.com/marin-county/permit/B48331/) | | Sep 4, 2026 | [340 Kent Ave](https://nearbypermits.com/marin-county/address/340-kent-ave/) | 430 ft NW | Mechanical (HVAC) | Replace Ductwork, Replace Mechanical Appliance; | $19,000 | [B48228](https://nearbypermits.com/marin-county/permit/B48228/) | | Jul 30, 2026 | [8 Hillside Ave](https://nearbypermits.com/marin-county/address/8-hillside-ave/) | 920 ft S | Electrical | Service Upgrade; | $4,500 | [B47694](https://nearbypermits.com/marin-county/permit/B47694/) | | Jul 16, 2026 | [2 Hermit Ln](https://nearbypermits.com/marin-county/address/2-hermit-ln/) | 660 ft SW | Roofing | ReRoofing; With Electronic Inspection; | $39,800 | [B47510](https://nearbypermits.com/marin-county/permit/B47510/) | | Jul 14, 2026 | [235 Kent Ave](https://nearbypermits.com/marin-county/address/235-kent-ave/) | 580 ft S | Alteration or repair | Siding Replacement; | $6,000 | [B47463](https://nearbypermits.com/marin-county/permit/B47463/) | | Jul 7, 2026 | [222 Kent Ave](https://nearbypermits.com/marin-county/address/222-kent-ave/) | 560 ft S | Roofing | ReRoofing; With Electronic Inspection; | $6,790 | [B47406](https://nearbypermits.com/marin-county/permit/B47406/) | | Jun 23, 2026 | [1100 Sir Francis Drake Blvd](https://nearbypermits.com/marin-county/address/1100-sir-francis-drake-blvd/) | 710 ft NE | Other | | $350,000 | [181955](https://nearbypermits.com/marin-county/permit/181955/) | | Jun 15, 2026 | [8 Hillside Ave](https://nearbypermits.com/marin-county/address/8-hillside-ave/) | 920 ft S | Other | | $195,000 | [181910](https://nearbypermits.com/marin-county/permit/181910/) | | Jun 12, 2026 | [1044 Sir Francis Drake Blvd](https://nearbypermits.com/marin-county/address/1044-sir-francis-drake-blvd/) | 760 ft NE | Plumbing | Replace Plumbing Fixtures(s); | $23,000 | [B47130](https://nearbypermits.com/marin-county/permit/B47130/) | | Jun 8, 2026 | [332 Kent Ave](https://nearbypermits.com/marin-county/address/332-kent-ave/) | 340 ft NW | Other | | $500,000 | [181848](https://nearbypermits.com/marin-county/permit/181848/) | | Jun 8, 2026 | [332 Kent Ave](https://nearbypermits.com/marin-county/address/332-kent-ave/) | 340 ft NW | Other | | $1,000,000 | [181847](https://nearbypermits.com/marin-county/permit/181847/) | | Jun 4, 2026 | [1118 Sir Francis Drake Blvd](https://nearbypermits.com/marin-county/address/1118-sir-francis-drake-blvd/) | 740 ft NE | Electrical | New Circuits / Outlets; | $30,000 | [B47030](https://nearbypermits.com/marin-county/permit/B47030/) | | May 11, 2026 | [16 Laurel Ave](https://nearbypermits.com/marin-county/address/16-laurel-ave/) | 390 ft E | Other | | $22,800 | [B46761](https://nearbypermits.com/marin-county/permit/B46761/) | ### Farther (1,000 ft to ¼ mi), 6 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 10, 2026 | [14 Altamira Ave](https://nearbypermits.com/marin-county/address/14-altamira-ave/) | 0.19 mi NE | Plumbing | Replace Plumbing Fixtures(s); | $9,204 | [B48286](https://nearbypermits.com/marin-county/permit/B48286/) | | Aug 27, 2026 | [10 Geary Ave](https://nearbypermits.com/marin-county/address/10-geary-ave/) | 0.24 mi NE | Roofing | ReRoofing; | $33,500 | [B48111](https://nearbypermits.com/marin-county/permit/B48111/) | | Aug 21, 2026 | [16 Altamira Ave](https://nearbypermits.com/marin-county/address/16-altamira-ave/) | 0.20 mi NE | Electrical | Service Upgrade; | $7,503 | [B47889](https://nearbypermits.com/marin-county/permit/B47889/) | | May 28, 2026 | [245 Hillside Ave](https://nearbypermits.com/marin-county/address/245-hillside-ave/) | 0.23 mi SW | Mechanical (HVAC) | Replace Mechanical Appliance; | $14,500 | [B46945](https://nearbypermits.com/marin-county/permit/B46945/) | | May 22, 2026 | [16 Hillside Ave](https://nearbypermits.com/marin-county/address/16-hillside-ave/) | 0.19 mi S | Other | | $80,000 | [B46892](https://nearbypermits.com/marin-county/permit/B46892/) | | May 21, 2026 | [6 Butterfly Ln](https://nearbypermits.com/marin-county/address/6-butterfly-ln/) | 0.20 mi E | Mechanical (HVAC) | Replace Mechanical Appliance; | $20,000 | [B46895](https://nearbypermits.com/marin-county/permit/B46895/) | ## 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 Cedar Ave with permits, nearest house number first: - [6 Cedar Ave](https://nearbypermits.com/marin-county/address/6-cedar-ave/): newest permit Apr 21, 2026 - [4 Cedar Ave](https://nearbypermits.com/marin-county/address/4-cedar-ave/): newest permit Feb 10, 2025 --- 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 2026-10-08 19:04 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, the one permit at this address and 20 nearby: https://nearbypermits.com/marin-county/address/21-cedar-ave/