Marin County Building Permit Search & History
Look up 313 recent Marin County building permits — addresses, permit types, contractors, and valuations, updated multiple times a day from the city's official records, with history back to February 20, 2026. Free email alerts when new permits match your filters.
Recent Marin County Permits
Showing 20 of 313 recent permits.
Sign up to see all permits and set alertsMarin County Permit Filing Trends
Weekly filing volume from the last 12 weeks of Marin County permit data:
| Week | Permits filed | Declared value |
|---|---|---|
| July 13, 2026 | 71 | $12.7M |
| July 6, 2026 | 75 | $3.5M |
| June 29, 2026 | 67 | $2.5M |
| June 22, 2026 | 100 | $12.8M |
| June 15, 2026 | 86 | $2.4M |
| June 8, 2026 | 94 | $5.3M |
| June 1, 2026 | 96 | $5.1M |
| May 25, 2026 | 52 | $1.8M |
| May 18, 2026 | 76 | $8.4M |
| May 11, 2026 | 84 | $43.0M |
| May 4, 2026 | 91 | $4.6M |
| April 27, 2026 | 47 | $1.1M |
Most common permit types in the last 90 days: RESIDENTIAL (909) · COMMERCIAL (88)
Most Active Marin County Contractors
The contractors named on the most Marin County permits filed in the last 90 days:
- OWNER/BUILDER — 79 permits
- OWNER — 50 permits
- ERNEST ONGARO & SONS INC — 41 permits
- DIVINE ELECTRIC INC — 41 permits
- GORMAN ROOFING SERVICES LLC — 27 permits
- JEMICO LLC — 23 permits
- PETER LEVI PLUMBING LLC — 21 permits
- CAPSTONE ROOFING INC — 19 permits
Marin County Building Permit History
Building permits are public records: every filing leaves a permanent paper trail of what was built, altered, or repaired at an address. The Permit Sheet's Marin County feed currently covers 1,598 permits going back to February 20, 2026, refreshed multiple times a day from the city's official database.
The county's open-data Building Permit dataset covers January 1, 2014 to present (updated daily), and the permit-status dashboard shows permits issued in the past 48 months; older permit documents, including digitized microfiche, are searchable in the Public Access Viewer with no stated start date.
Older building-permit documents for unincorporated Marin are digitized into the same Public Access Viewer — its Building and Safety search includes scanned microfiche document types ("FICHE DOCS" and "FICHE PLANS") alongside plan sets, occupancy permits, and soil reports, searchable by APN, address, or permit number. If a record does not appear there, call the Building and Safety counter at 415-473-6550 (or the Planning customer service team at 415-473-6269, listed on the Records Search page) to request a records lookup.
To research a specific property, start with the address search on Marin County Public Access Viewer (CDA Building and Safety records search), then use our free permit lookup to see recent filings, contractors, and valuations side by side.
Each weekly Marin County digest also lists the biggest projects filed that week by address.
Marin County Building Department
Marin County Community Development Agency, Building and Safety Division
From the county's CDA Records Search page, click "Building and Safety" to open the Public Access Viewer, then enter a street number and street name (or the Assessor Parcel Number or permit number) and press Search — the county recommends searching by APN or address, results are capped at 100 documents, and the * wildcard is supported. For recent construction activity, the "Look up an existing building permit" page on marincounty.gov has a dashboard of every permit issued in the past 48 months, updated daily, plus an interactive permits-by-location map. Note these tools cover unincorporated Marin County only — properties inside cities like San Rafael or Novato are permitted by their own city building departments.
Which Marin County permit tool do I use?
The city runs several official tools; each answers a different question:
Weekly Marin County Permit Digests
Free weekly reports on the biggest Marin County projects filed, with addresses and valuations:
About Marin County Building Permits
Building permits in Marin County are public records administered by the Marin County Community Development Agency, Building and Safety Division. They cover new construction, renovations, demolitions, electrical work, plumbing, roofing, solar installations, and more. Every permit includes the property address, type of work, estimated valuation, and the applicant and contractor on record.
The Permit Sheet monitors Marin County's official permit records multiple times per day, so you can search recent filings on this page without paging through the city portal — and get an email the moment a new permit matches your trade, neighborhood, or valuation filters. Contractors use it to be first to new projects; investors and neighbors use it to see what's being built nearby.
How to search Marin County permits
- Browse the live feed above — the 20 newest filings with addresses, types, and valuations, refreshed all day.
- Look up a specific address — use the free permit lookup or the city's official Marin County Public Access Viewer (CDA Building and Safety records search) to pull filings for one property.
- Set an alert — create a free account and get new Marin County permits matching your filters by email within minutes.
Frequently Asked Questions
How do I look up building permits in Marin County?
Two ways: search the city's official portal, Marin County Public Access Viewer (CDA Building and Safety records search) (From the county's CDA Records Search page, click "Building and Safety" to open the Public Access Viewer, then enter a street number and street name (or the Assessor Parcel Number or permit number) and press Search — the county recommends searching by APN or address, results are capped at 100 documents, and the * wildcard is supported. For recent construction activity, the "Look up an existing building permit" page on marincounty.gov has a dashboard of every permit issued in the past 48 months, updated daily, plus an interactive permits-by-location map. Note these tools cover unincorporated Marin County only — properties inside cities like San Rafael or Novato are permitted by their own city building departments.) — or browse the live feed on this page, which tracks Marin County filings continuously and adds contractor and valuation details.
How do I find the permit history of a Marin County address?
Search the address on Marin County Public Access Viewer (CDA Building and Safety records search) for the city's official record. The Permit Sheet's Marin County feed goes back to February 20, 2026 with 1,598 permits tracked — each weekly digest also lists the biggest filings by address. Older building-permit documents for unincorporated Marin are digitized into the same Public Access Viewer — its Building and Safety search includes scanned microfiche document types ("FICHE DOCS" and "FICHE PLANS") alongside plan sets, occupancy permits, and soil reports, searchable by APN, address, or permit number. If a record does not appear there, call the Building and Safety counter at 415-473-6550 (or the Planning customer service team at 415-473-6269, listed on the Records Search page) to request a records lookup.
How many building permits were filed in Marin County this month?
313 building permits appear in our Marin County feed for the last 30 days. The most common type is RESIDENTIAL. The median declared valuation is $14,200.
Can I get email alerts for new Marin County building permits?
Yes. The Permit Sheet sends real-time email alerts within minutes of new permits being filed. Filter by permit type (roofing, electrical, solar, HVAC), valuation range, and neighborhood. Free tier available.
Where is the Marin County building department?
Marin County Community Development Agency, Building and Safety Division, 3501 Civic Center Drive, Suite 308, San Rafael, CA 94903, 415-473-6550. Mon-Thu 8:00 am-4:00 pm; Fri 8:00 am-12:00 pm.