County
Marin County
This is the county layer. It is often the first stop for assessor, tax collector, recorder, court, social service, election, health, sheriff, and unincorporated-area services.
Starting point
Start with the county layer.
County offices are the usual first stop for records, taxes, courts, elections, public health, social services, sheriff services, and unincorporated-area routing.
Cities inside the county can still control city permits, local code, utilities, business licenses, and city-specific rules.
2025 population
253,694
Land area
520.141 sq mi
Water area
308.035 sq mi
Directory notes
Local layers to keep on the same page.
Property, taxes, and records
For assessed value, exemptions, ownership records, recording, and tax bills, county offices are usually the starting layer.
Unincorporated land
If an address is outside city limits, county planning, building, environmental health, fire, or public works may handle local permits and code work.
Courts, services, and alerts
Superior court, sheriff, elections, social services, emergency alerts, and health offices often start at the county level.
Practical notes
Office, map, permit, and paperwork notes for Marin County
Place note · Home and property · Reviewed July 5, 2026
Novato Permits puts city project tracking in one portal
Novato Permits is the city's online portal for building permits, planning projects, inspections, licensing, code requests, permit status, records search, and some express permits.
Place note · Home and property · Reviewed July 4, 2026
Novato service requests are for non-emergencies
Novato's service request tool routes non-emergency issues to the proper city department, while sewer backups, water main breaks, blocked streets, and life-safety issues use emergency contacts.
Place note · Rules and licenses · Reviewed July 3, 2026
A Marin County DBA starts with the County Clerk record
Marin County fictitious business name filings create a public DBA record, separate from city, county, and state business steps.
Place note · Cars and driving · Reviewed July 7, 2026
Bay Area bridge tolls use FasTrak, plates, or invoices
Bay Area toll bridges use automatic toll collection, with FasTrak, License Plate Account, One-Time Payment, and invoice options depending on how the vehicle is set up.
Place note · Money and taxes · Reviewed July 3, 2026
Marin County property tax starts with the roll or the bill
Marin County property tax questions usually start with Assessor records for parcel and roll information, or the tax bill page for bills and payments.
Place note · Outdoors · Reviewed July 1, 2026
At Point Reyes, the San Andreas Fault is easy to picture
The Earthquake Trail near Point Reyes Station gives visitors a calm, clear way to see where the San Andreas Fault shapes the landscape.
Almanac notes
Stories and local context near Marin County
Place note · History and culture
Belvedere is a tiny island city built around water and views
Belvedere is one of California's smallest and oldest cities, with two islands, an artificial lagoon, little retail, yacht-club history, and San Francisco Bay views.
Place note · History and culture
Corte Madera's archive turns family memory into town memory
Corte Madera's Archive and History Center grew from local photos and oral histories into a public way to share more than 100 years of town life.
Place note · History and culture
Fairfax sits right by one of mountain biking's home hills
Fairfax's bicycle story connects Mount Tamalpais, early off-road riders, the Repack races, and the Marin Museum of Bicycling on Sir Francis Drake Boulevard.
Place note · History and culture
Larkspur's old downtown still carries the town's early shape
Larkspur's Magnolia Avenue, City Hall, historic district, ferry landing, and brick kiln give the Marin town several easy history stops.
Place note · History and culture
Mill Valley starts its big trail story under redwoods
Old Mill Park and the Dipsea Race give Mill Valley a compact story: redwoods, a historic mill, steep stairs, and a trail route to Stinson Beach.
Place note · History and culture
Ross grew around a creek, old land grants, and a protected tree canopy
Ross in Marin County has Coast Miwok roots, Mexican land-grant history, James Ross's 1857 purchase, concrete creek bridges, and a long habit of protecting trees.
Place note · History and culture
San Anselmo has a tiny park with a big movie-story wink
Imagination Park puts Yoda, Indiana Jones, George Lucas, downtown San Anselmo, and Town Hall into one small Marin County stop.
Place note · History and culture
Sausalito's waterfront still carries the Marinship story
Sausalito's Marinship area connects World War II shipbuilding, Richardson Bay, historic exhibits, marinas, houseboats, and a working waterfront just north of the Golden Gate.