Nearby Permits
Map of 12 permits within a quarter mile of 21 Mt Lassen DrRoofing, 5 Mt Palomar Ct, Sep 18, 2026Electrical, 6 Mt Darwin Ct, Sep 8, 2026Alteration or repair, 130 Mt Lassen Dr, Sep 3, 2026Plumbing, 1126 Idylberry Rd, Sep 2, 2026Mechanical (HVAC), 90 Mt Muir Ct, Aug 19, 2026Electrical, 24 Mt Diablo Cir, Jul 30, 2026Electrical, 1160 Idylberry Rd, Jul 22, 2026Mechanical (HVAC), 1130 Idylberry Rd, Jun 9, 2026Mechanical (HVAC), 18 Jeannette Prandi Way, Jun 5, 2026Alteration or repair, 86 Mt Muir Ct, Jun 1, 2026Other, 55 Mt Muir Ct, May 20, 2026Alteration or repair, 86 Mt Muir Ct, May 18, 2026660 ft Map preview
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21 Mt Lassen Dr

Marin County, CA 94903

At this address
1 permit in the last two years. Newest issued May 19, 2025: Permit, no description from the city
Within ¼ mile
12 more permits issued since May 1.

The county's data portal didn't answer in time. "Here" shows our copy of the last two years, which we checked 2026-10-12 11:25 UTC. Data status

MayJunJulAugSepOct
Within
Since
Here1 permit · 21 Mt Lassen Dr
  1. Permit, no description from the city
    Other
    May 19, 2025$58,260
Sort
Next doorunder 250 ft · 1 permit
  1. Service Upgrade
    6 Mt Darwin Ct · 220 ft S · Electrical
    Sep 8$3,500
This block250 to 1,000 ft · 9 permits
  1. ReRoofing
    5 Mt Palomar Ct · 830 ft W · Roofing
    Sep 18$18,315
  2. Siding Replacement
    130 Mt Lassen Dr · 890 ft NW · Alteration or repair
    Sep 3$12,000
  3. Replace Plumbing Fixtures(s)
    1126 Idylberry Rd · 390 ft W · Plumbing
    Sep 2$2,214
  4. New Ductwork, Mechanical Appliance
    90 Mt Muir Ct · 840 ft SW · Mechanical (HVAC)
    Aug 19$27,000
  5. New Circuits / Outlets, Service Upgrade
    24 Mt Diablo Cir · 640 ft NW · Electrical
    Jul 30$20,000
  6. Mechanical Appliance
    1130 Idylberry Rd · 460 ft W · Mechanical (HVAC)
    Jun 9$11,500
  7. Stucco Replacement, Non-structural Door/Window Replacement
    86 Mt Muir Ct · 840 ft SW · Alteration or repair
    Jun 1$12,462
  8. Permit, no description from the city
    55 Mt Muir Ct · 870 ft W · Other
    May 20$100,000
  9. Non-structural Door/Window Replacement
    86 Mt Muir Ct · 840 ft SW · Alteration or repair
    May 18$12,462
Within a quarter mile1,000 ft to ¼ mi · 2 permits
  1. Service Upgrade
    1160 Idylberry Rd · 0.21 mi NW · Electrical
    Jul 22$3,000
  2. Replace Ductwork, Replace Mechanical Appliance
    18 Jeannette Prandi Way · 0.22 mi E · Mechanical (HVAC)
    Jun 5$31,000
Zoning requests nearbynot published by Marin County

We don't list zoning cases for Marin County yet. Look them up on the county's Planning Commission page.

More on this streetMt Lassen Dr · 10 nearest addresses with permits

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Marin County Community Development Agency updated its data Oct 12, 2026. We checked it Oct 12, 11:25 UTC. See the county's official records (County of Marin, CA, ODbL 1.0).

Contains information from Building Permit (County of Marin, CA), which is made available here under the Open Database License (ODbL).

At this address: every permit the city holds. Nearby: permits from the last two years, from our copy of the city's data.

For agents and scripts: This page as Markdown · JSON · Nearby as JSON · MCP tool permits_near