# Building permits at 121 Oak Ave, Marin County, CA Eight permits on record here. The newest, Oct 28, 2025: Permit, no description from the city. Within a quarter mile, the county has issued 33 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Oct 28, 2025 | Other | | $66,141 | [B44568](https://nearbypermits.com/marin-county/permit/B44568/) | | Aug 20, 2025 | Roofing | ReRoofing; | $22,150 | [B43573](https://nearbypermits.com/marin-county/permit/B43573/) | | Oct 2, 2024 | Mechanical (HVAC) | Replace Mechanical Appliance; | $11,600 | [B39664](https://nearbypermits.com/marin-county/permit/B39664/) | | Apr 26, 2023 | Mechanical (HVAC) | Replace Mechanical Appliance; | $14,400 | [B33629](https://nearbypermits.com/marin-county/permit/B33629/) | | Sep 27, 2022 | Alteration or repair | Non-structural Door/Window Replacement; | $3,204 | [B31200](https://nearbypermits.com/marin-county/permit/B31200/) | | Dec 8, 2020 | Other | | $46,257 | [166507](https://nearbypermits.com/marin-county/permit/166507/) | | May 8, 2019 | Mechanical (HVAC) | Replace Ductwork; | $8,500 | [B17730](https://nearbypermits.com/marin-county/permit/B17730/) | | Sep 26, 2017 | Plumbing | Replace Plumbing Fixtures(s); | $3,500 | [B13362](https://nearbypermits.com/marin-county/permit/B13362/) | ## Within ¼ mi since May 1, 2026 33 permits in the circle. From our copy of the county's data (last 24 months). ### Next door (under 250 ft), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 21, 2026 | [33 Laurel Grove Ave](https://nearbypermits.com/marin-county/address/33-laurel-grove-ave/) | 95 ft E | Mechanical (HVAC) | Replace Ductwork; | $11,000 | [B48019](https://nearbypermits.com/marin-county/permit/B48019/) | ### This block (250 to 1,000 ft), 23 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 2, 2026 | [20 Quisisana Dr](https://nearbypermits.com/marin-county/address/20-quisisana-dr/) | 740 ft NW | Other | | $43,606 | [B48625](https://nearbypermits.com/marin-county/permit/B48625/) | | Oct 2, 2026 | [20 Quisisana Dr](https://nearbypermits.com/marin-county/address/20-quisisana-dr/) | 740 ft NW | Electrical | EV Charging Station; With Electronic Inspection | $1,750 | [B48612](https://nearbypermits.com/marin-county/permit/B48612/) | | Sep 21, 2026 | [13 Cypress Ave](https://nearbypermits.com/marin-county/address/13-cypress-ave/) | 560 ft NE | Roofing | ReRoofing; | $20,000 | [B48415](https://nearbypermits.com/marin-county/permit/B48415/) | | Sep 17, 2026 | [12 Rosebank Ave](https://nearbypermits.com/marin-county/address/12-rosebank-ave/) | 980 ft S | Roofing | ReRoofing; With Electronic Inspection; | $36,850 | [B48382](https://nearbypermits.com/marin-county/permit/B48382/) | | Sep 16, 2026 | [116 Terrace Ave](https://nearbypermits.com/marin-county/address/116-terrace-ave/) | 900 ft W | Electrical | Service Upgrade; | $6,400 | [B48356](https://nearbypermits.com/marin-county/permit/B48356/) | | Sep 10, 2026 | [120 Terrace Ave](https://nearbypermits.com/marin-county/address/120-terrace-ave/) | 810 ft W | Electrical | New Circuits / Outlets; | $3,000 | [B48288](https://nearbypermits.com/marin-county/permit/B48288/) | | Sep 9, 2026 | [10 Laurel Grove Ave](https://nearbypermits.com/marin-county/address/10-laurel-grove-ave/) | 540 ft SE | Electrical | Service Upgrade; | $9,000 | [B48281](https://nearbypermits.com/marin-county/permit/B48281/) | | Sep 3, 2026 | [44 Rosebank Ave](https://nearbypermits.com/marin-county/address/44-rosebank-ave/) | 960 ft SW | Roofing | ReRoofing; | $13,000 | [B48207](https://nearbypermits.com/marin-county/permit/B48207/) | | Sep 2, 2026 | [6 Broadway](https://nearbypermits.com/marin-county/address/6-broadway/) | 540 ft SW | Mechanical (HVAC) | Replace Ductwork; | $20,000 | [B48183](https://nearbypermits.com/marin-county/permit/B48183/) | | Aug 24, 2026 | [20 Cypress Ave](https://nearbypermits.com/marin-county/address/20-cypress-ave/) | 820 ft E | Electrical | EV Charging Station; With Electronic Inspection | $1,000 | [B48048](https://nearbypermits.com/marin-county/permit/B48048/) | | Aug 18, 2026 | [120 Terrace Ave](https://nearbypermits.com/marin-county/address/120-terrace-ave/) | 810 ft W | Mechanical (HVAC) | Replace Mechanical Appliance; | $15,213 | [B47949](https://nearbypermits.com/marin-county/permit/B47949/) | | Aug 17, 2026 | [20 Quisisana Dr](https://nearbypermits.com/marin-county/address/20-quisisana-dr/) | 740 ft NW | Roofing | ReRoofing; With Electronic Inspection; | $47,850 | [B47931](https://nearbypermits.com/marin-county/permit/B47931/) | | Aug 14, 2026 | [20 Quisisana Dr](https://nearbypermits.com/marin-county/address/20-quisisana-dr/) | 740 ft NW | Mechanical (HVAC) | Replace Mechanical Appliance; | $32,900 | [B47920](https://nearbypermits.com/marin-county/permit/B47920/) | | Jul 29, 2026 | [812 Sir Francis Drake Blvd](https://nearbypermits.com/marin-county/address/812-sir-francis-drake-blvd/) | 540 ft S | Other | | $80,000 | [182252](https://nearbypermits.com/marin-county/permit/182252/) | | Jul 27, 2026 | [16 Edna Ct](https://nearbypermits.com/marin-county/address/16-edna-ct/) | 900 ft SE | Mechanical (HVAC) | Replace Mechanical Appliance; | $16,870 | [B47642](https://nearbypermits.com/marin-county/permit/B47642/) | | Jul 20, 2026 | [6 Mcallister Ave](https://nearbypermits.com/marin-county/address/6-mcallister-ave/) | 980 ft S | Roofing | ReRoofing; | $19,400 | [B47559](https://nearbypermits.com/marin-county/permit/B47559/) | | Jun 17, 2026 | [129 Terrace Ave](https://nearbypermits.com/marin-county/address/129-terrace-ave/) | 770 ft W | Roofing | ReRoofing; With Electronic Inspection; | $41,255 | [B47198](https://nearbypermits.com/marin-county/permit/B47198/) | | Jun 12, 2026 | [9 Broadway](https://nearbypermits.com/marin-county/address/9-broadway/) | 540 ft SW | Electrical | New Circuits / Outlets, Replace Circuits / Outlets; | $5,000 | [B47143](https://nearbypermits.com/marin-county/permit/B47143/) | | Jun 4, 2026 | [112 Terrace Ave](https://nearbypermits.com/marin-county/address/112-terrace-ave/) | 960 ft W | Alteration or repair | Siding Replacement, Non-structural Door/Window Replacement; | $62,000 | [B47028](https://nearbypermits.com/marin-county/permit/B47028/) | | Jun 4, 2026 | [101 Laurel Grove Ave](https://nearbypermits.com/marin-county/address/101-laurel-grove-ave/) | 420 ft NW | Alteration or repair | Siding Replacement, Stucco Replacement; | $4,800 | [B47020](https://nearbypermits.com/marin-county/permit/B47020/) | | Jun 2, 2026 | [1 Inman Ave](https://nearbypermits.com/marin-county/address/1-inman-ave/) | 300 ft S | Other | | $500 | [181792](https://nearbypermits.com/marin-county/permit/181792/) | | May 20, 2026 | [25 Quisisana Dr](https://nearbypermits.com/marin-county/address/25-quisisana-dr/) | 640 ft NW | Electrical | Service Upgrade; | $2,500 | [B46876](https://nearbypermits.com/marin-county/permit/B46876/) | | May 5, 2026 | [18 Broadway](https://nearbypermits.com/marin-county/address/18-broadway/) | 340 ft SW | Mechanical (HVAC) | Replace Ductwork; | $10,000 | [B46672](https://nearbypermits.com/marin-county/permit/B46672/) | ### Farther (1,000 ft to ¼ mi), 9 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 30, 2026 | [10 Ash Ave](https://nearbypermits.com/marin-county/address/10-ash-ave/) | 0.19 mi SW | Other | | $19,000 | [B48554](https://nearbypermits.com/marin-county/permit/B48554/) | | Sep 30, 2026 | [847 Sir Francis Drake Blvd](https://nearbypermits.com/marin-county/address/847-sir-francis-drake-blvd/) | 0.23 mi SW | Other | | $240,000 | [182619](https://nearbypermits.com/marin-county/permit/182619/) | | Sep 21, 2026 | [10 Russell Ave](https://nearbypermits.com/marin-county/address/10-russell-ave/) | 0.23 mi W | Roofing | ReRoofing; With Electronic Inspection; | $21,988 | [B48420](https://nearbypermits.com/marin-county/permit/B48420/) | | Aug 27, 2026 | [6 Rosebank Ln](https://nearbypermits.com/marin-county/address/6-rosebank-ln/) | 0.22 mi S | Roofing | ReRoofing; With Electronic Inspection; | $19,890 | [B48107](https://nearbypermits.com/marin-county/permit/B48107/) | | Aug 20, 2026 | [8 Edna Ct](https://nearbypermits.com/marin-county/address/8-edna-ct/) | 0.20 mi SE | Plumbing | Replace Plumbing Fixtures(s); | $7,764 | [B47986](https://nearbypermits.com/marin-county/permit/B47986/) | | Aug 20, 2026 | [118 Stetson Ave](https://nearbypermits.com/marin-county/address/118-stetson-ave/) | 0.23 mi NW | Other | | $7,000 | [182376](https://nearbypermits.com/marin-county/permit/182376/) | | Jun 30, 2026 | [77 Wolfe Grade](https://nearbypermits.com/marin-county/address/77-wolfe-grade/) | 0.24 mi E | Other | | $10,000 | [181973](https://nearbypermits.com/marin-county/permit/181973/) | | May 6, 2026 | [43 Rosebank Ave](https://nearbypermits.com/marin-county/address/43-rosebank-ave/) | 0.21 mi SW | Other | | $15,000 | [B46693](https://nearbypermits.com/marin-county/permit/B46693/) | | May 4, 2026 | [11 Ash Ave](https://nearbypermits.com/marin-county/address/11-ash-ave/) | 0.22 mi W | Electrical | Service Upgrade; | $6,500 | [B46663](https://nearbypermits.com/marin-county/permit/B46663/) | ## 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 Oak Ave with permits, nearest house number first: - [120 Oak Ave](https://nearbypermits.com/marin-county/address/120-oak-ave/): newest permit Oct 31, 2024 - [119 Oak Ave](https://nearbypermits.com/marin-county/address/119-oak-ave/): newest permit Dec 5, 2025 - [111 Oak Ave](https://nearbypermits.com/marin-county/address/111-oak-ave/): newest permit Aug 1, 2025 - [91 Oak Ave](https://nearbypermits.com/marin-county/address/91-oak-ave/): newest permit Apr 27, 2026 - [50 Oak Ave](https://nearbypermits.com/marin-county/address/50-oak-ave/): newest permit Jun 11, 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 2026-10-11 00:36 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 8 permits at this address and 33 nearby: https://nearbypermits.com/marin-county/address/121-oak-ave/