Search Marin County, CA Property Records

Specific divisions within the County Assessor-Recorder-County Clerk Department oversee the permanent legal recording and valuation of all taxable property in Marin County, California.

When specific local, land-use-sensitive actions are involved, the documentation becomes more decentralized. In these instances, individuals must consult the relevant city or town departments to obtain the necessary records.

Owning a home in Marin County generally involves a median price of $1,358,700.00, while renting a residence averages around $2,443.00 per month. Households in the county earn a median income of approximately $123,258.50, with annual property taxes typically totaling 0.57%.

Gathering property data in Marin County, CA, requires a combination of online tools and in-person research. Researchers often use the Search Assessor Records and Maps online service to verify assessed property values, homeowner exemptions, and basic parcel details.

For legal ownership history, individuals then turn to the Recorder’s Official Records site. This online portal allows users to confirm the existence of deeds of trust, mechanic’s liens, or notices of default by searching with document numbers or book and page references.

When researching legal instruments recorded before 1972, individuals must visit the Marin County Civic Center in San Rafael. Many of these older records have not been fully digitized and are stored in physical grantor and grantee ledgers and on microfilm reels.

A large portion of Marin County land is not located within an incorporated city. Researchers sometimes contact city hall, expecting to find property records, only to learn that the property is located in an unincorporated area.

This creates a double search process in which the researcher must first confirm the property’s jurisdiction before determining which office maintains the relevant records.

PropertyChecker addresses this double search challenge in Marin County by consolidating records from dozens of different public and private sources into a single comprehensive report. The platform may provide critical information, including building permits, zoning details, and ownership history, for both city-governed and unincorporated properties in a single interface.

Property Ownership and Title Information

The official source for identifying legal property ownership and tracing title history in the county is the Marin County Assessor-Recorder-County Clerk Department, specifically the Recorder’s Office.

Using the Recorder’s Official Records site, researchers can search for grant deeds, which show who transferred the title and who received it. Furthermore, they can locate deeds of trust that indicate possible lenders and any outstanding liens on the property.

Property Sales and Transaction History

The "Real Estate Sales Data" feature on the Assessor’s website provides high-level summaries of property sales. Users can typically view the number of homes sold, the mean sale price, and the median sale price for specific municipalities within Marin County.

While the Marin County Assessor's Real Estate Sales Data is the official source, these summaries can be too broad for users seeking granular information.

Instead of just seeing the "median price" for a town from the county reports, PropertyChecker allows users to search for specific properties to access individual transaction histories, lien information, and seller/buyer details through a user-friendly interface.

The platform supports more nuanced searches, such as filtering for only "non-market transfers" (e.g., trusts) or "trustee deeds" (foreclosures).

Property Tax Assessment and Payment Records

The Assessor’s Office within the Marin County Assessor-Recorder-County Clerk Department establishes a property’s base year value upon transfer or new construction and manages exemptions. Operating under the Property Tax Division of the Marin County Department of Finance, the Tax Collector’s Office bills and collects taxes.

Through the Search Assessor Records and Maps online service, individuals can access assessment details, including land values, improvements, and exemptions.

Additionally, the Tax Collector provides the Property Tax Bill app, which allows users to view tax bills, payment histories, delinquencies, and penalty fees. Property owners with unresolved valuation issues can file an appeal with the Assessment Appeals Board by submitting Form BOE-305-AH.

Property Characteristics and Parcel Details

In Marin County, researchers can retrieve basic property characteristics and parcel details, such as the year built, structure square footage, and lot size, through the Search Assessor Records and Maps online service. Users can search by entering the full 8-digit parcel number or at least the first 5 digits.

Zoning, Land Use, and Planning Records

To obtain zoning, land-use, and planning records, researchers must first determine whether the property is located in unincorporated Marin County or within a city or town.

For properties in unincorporated areas, they should consult the Planning Division of the Marin County Community Development Agency. The division uses the Zoning Lookup Tool, which enables users to instantly verify zoning districts, zoning descriptions, and countywide plan designations.

Legal Documents Affecting Property

Individuals can access legal documents that affect property title, ownership, or interest in the county through the Recorder’s Office of the Marin County Assessor-Recorder-County Clerk Department.

The office records and maintains a wide range of documents, including deeds, liens, mortgages, easements, affidavits, certificates, judgments, and maps. Users can search and view indexed documents online via the Recorder’s Official Records site. This official online system permits lookups using owner name, document number, book and page, or document title.

Building Permits, Inspections, and Construction Records

The Marin County Community Development Agency’s Building and Safety Division is the central authority for all permits and inspections for unincorporated areas in the county.

Individuals can access the permits and inspections dashboard to monitor the status of current building projects and view permits, along with contractor details, construction values, and project descriptions.

Maps and Visual Property Data

For a rich, interactive mapping experience, Marin County primarily uses the MarinMap Map Viewer, which allows users to explore mapping data for more than 96,000 parcels across about 520 square miles. This comprehensive GIS system provides a range of data layers covering parcel boundaries, hazard and flood zones, hydrology, habitat, and infrastructure.

The Marin County Information Services and Technology Department also maintains the County GIS Open Data Portal for exploring geospatial datasets directly through web-based maps.

Two options are available for accessing a Marin County parcel map. The first is the Search Assessor Maps By Map Book and Page tool, part of the Search Assessor Records and Maps online service. This tool works by entering the first three digits of a parcel number into the Map Book field, with the optional addition of the next two digits into the Map Page field.

Providing only the Map Book number returns the full map book index, while both fields together display a specific map book page.

The second option is the MarinMap Map Viewer, a multi-layer interactive map that includes County Policy, Hydrology, Hazard, and Habitat layers, among others. The toolbar provides Search By Property ID and Search By Address functions with an auto-suggest dropdown.

The viewer runs on phone and tablet web browsers and requires accepting the on-screen disclaimer before use. For additional assistance, the Assessor's staff is reachable at (415) 473-7215 during office hours, 9:00 AM to 4:00 PM, Monday through Friday, excluding major holidays.

Displayed here are charts summarizing the county's tax rates, accompanied by insights into median home values, income figures, and rent rates.

Median Rent

$2,443.00

California	$1,260.00
National	$840.25

• +93.9 %
  vs California
• +190.7 %
  vs National

Median Home Value

$1,358,700.00

California	$403,775.00
National	$173,750.00

• +236.5 %
  vs California
• +682.0 %
  vs National

Median Household Income

$123,258.50

California	$78,109.75
National	$65,108.00

• +57.8 %
  vs California
• +89.3 %
  vs National

Median Property Tax Rate

0.57%

California	0.69%
National	0.74%

• -17.4%
  vs California
• -23.0 %
  vs National

Unemployment Rate

3.83%

California	3.72%
National	2.87%

• +3.0 %
  vs California
• +33.4 %
  vs National

Renter Occupied Housing

32.52%

California	33.49%
National	21.81%

• -2.9 %
  vs California
• +49.1 %
  vs National

The Recorder's Office under the Marin County Assessor-Recorder-County Clerk Department acts as the registrar of deeds for the county. This division maintains deeds, encumbrances, maps, reconveyances, and more.

When a reconveyance is recorded, signaling that a mortgage has been paid in full, it officially clears the lien from the title. The Marin County Tax Collector's Office uses this confirmation to ensure that any future tax sales or legal collections are processed against a property.

The Recorder's Official Records site allows users to search for documents dating back to January 2, 1973. Moreover, researchers can request copies of documents online using the Recorder Document or Map Order Form.

Requests must include the document reference number or book and page number if the document is filed before 1981. Those requesting documents recorded before 1972 should visit the office in Room 232 in the Marin Civic Center.

Document copies cost $4 for the first page and $2 for each additional page, while certified copies cost $4 per document.

Marin County is made up of 11 incorporated towns and cities. These municipalities maintain records essential to development and property maintenance, and often contain more information about a property’s current structural condition than county records.

For example, during a real estate transaction in San Rafael, a buyer notices a newly finished basement. They ask the seller to provide the building permit and final inspection approval for the remodel.

Records from the City of San Rafael Building Division show that while a permit was obtained, the final inspection was never completed. As a result, the buyer requests either a contingency inspection or a price reduction to bring the basement into compliance with code.

• Belvedere City
• Corte Madera Town
• Fairfax Town
• Larkspur City
• Mill Valley City
• Novato City
• Ross Town
• San Anselmo Town
• San Rafael City
• Sausalito City
• Tiburon Town