# Building permits at 80 Mt Lassen Dr, Marin County, CA Five permits on record here. The newest, Mar 19, 2025: Permit, no description from the city. Within a quarter mile, the county has issued 11 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Mar 19, 2025 | Other | | $40,000 | [B41665](https://nearbypermits.com/marin-county/permit/B41665/) | | Jun 20, 2023 | Other | | $18,000 | [B34321](https://nearbypermits.com/marin-county/permit/B34321/) | | Jun 16, 2023 | Other | | $8,000 | [174309](https://nearbypermits.com/marin-county/permit/174309/) | | Jan 3, 2018 | Electrical | Service Upgrade; | $4,000 | [B14042](https://nearbypermits.com/marin-county/permit/B14042/) | | Oct 2, 2017 | Roofing | ReRoofing; | $24,000 | [B13412](https://nearbypermits.com/marin-county/permit/B13412/) | ## Within ¼ mi since May 1, 2026 11 permits in the circle. From our copy of the county's data (last 24 months). ### This block (250 to 1,000 ft), 7 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 3, 2026 | [130 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/130-mt-lassen-dr/) | 410 ft W | Alteration or repair | Siding Replacement; | $12,000 | [B48218](https://nearbypermits.com/marin-county/permit/B48218/) | | Sep 2, 2026 | [1126 Idylberry Rd](https://nearbypermits.com/marin-county/address/1126-idylberry-rd/) | 750 ft S | Plumbing | Replace Plumbing Fixtures(s); | $2,214 | [B48185](https://nearbypermits.com/marin-county/permit/B48185/) | | Aug 26, 2026 | [2 Mt Tenaya Ct](https://nearbypermits.com/marin-county/address/2-mt-tenaya-ct/) | 970 ft NW | Other | | $90,000 | [B48053](https://nearbypermits.com/marin-county/permit/B48053/) | | Jul 30, 2026 | [24 Mt Diablo Cir](https://nearbypermits.com/marin-county/address/24-mt-diablo-cir/) | 300 ft SW | Electrical | New Circuits / Outlets, Service Upgrade; | $20,000 | [B47682](https://nearbypermits.com/marin-county/permit/B47682/) | | Jul 22, 2026 | [1160 Idylberry Rd](https://nearbypermits.com/marin-county/address/1160-idylberry-rd/) | 930 ft SW | Electrical | Service Upgrade; | $3,000 | [B47580](https://nearbypermits.com/marin-county/permit/B47580/) | | Jun 9, 2026 | [1130 Idylberry Rd](https://nearbypermits.com/marin-county/address/1130-idylberry-rd/) | 780 ft SW | Mechanical (HVAC) | Mechanical Appliance; | $11,500 | [B47085](https://nearbypermits.com/marin-county/permit/B47085/) | | May 15, 2026 | [4 Mt Tenaya Ct](https://nearbypermits.com/marin-county/address/4-mt-tenaya-ct/) | 940 ft NW | Roofing | ReRoofing; | $33,000 | [B46817](https://nearbypermits.com/marin-county/permit/B46817/) | ### Farther (1,000 ft to ¼ mi), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 22, 2026 | [1178 Idylberry Rd](https://nearbypermits.com/marin-county/address/1178-idylberry-rd/) | 0.21 mi W | Alteration or repair | Non-structural Door/Window Replacement; | $18,422 | [B48448](https://nearbypermits.com/marin-county/permit/B48448/) | | Sep 18, 2026 | [5 Mt Palomar Ct](https://nearbypermits.com/marin-county/address/5-mt-palomar-ct/) | 0.20 mi SW | Roofing | ReRoofing; | $18,315 | [B48395](https://nearbypermits.com/marin-county/permit/B48395/) | | Sep 8, 2026 | [6 Mt Darwin Ct](https://nearbypermits.com/marin-county/address/6-mt-darwin-ct/) | 0.20 mi S | Electrical | Service Upgrade; | $3,500 | [B48258](https://nearbypermits.com/marin-county/permit/B48258/) | | Jun 16, 2026 | [76 Pikes Peak Dr](https://nearbypermits.com/marin-county/address/76-pikes-peak-dr/) | 0.24 mi W | Plumbing | New Gas Service, Replace Plumbing Fixtures(s); | $12,548 | [B47178](https://nearbypermits.com/marin-county/permit/B47178/) | ## 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 Mt Lassen Dr with permits, nearest house number first: - [90 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/90-mt-lassen-dr/): newest permit Jan 8, 2026 - [100 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/100-mt-lassen-dr/): newest permit Jun 26, 2025 - [110 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/110-mt-lassen-dr/): newest permit Feb 23, 2026 - [50 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/50-mt-lassen-dr/): newest permit Sep 5, 2025 - [115 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/115-mt-lassen-dr/): newest permit Feb 11, 2025 - [125 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/125-mt-lassen-dr/): newest permit Jul 21, 2025 - [130 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/130-mt-lassen-dr/): newest permit Sep 3, 2026 - [25 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/25-mt-lassen-dr/): newest permit Apr 16, 2026 - [22 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/22-mt-lassen-dr/): newest permit Apr 3, 2025 - [21 Mt Lassen Dr](https://nearbypermits.com/marin-county/address/21-mt-lassen-dr/): newest permit May 19, 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 2026-10-12 01:56 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 5 permits at this address and 11 nearby: https://nearbypermits.com/marin-county/address/80-mt-lassen-dr/