Marin County, California: parcel data and property records
96,260 Marin County parcels on one searchable map: owner of record and mailing address and assessed and appraised values, plus lot boundaries and location. Screen by absentee ownership, acreage and year built.
What the data covers
These bars show real field-by-field coverage for Marin County in our database, so you know exactly what you are getting before you search. Numbers refresh as the county publishes new records.
Not held for Marin County: recorded sales and vacancy. Those fields are carried where the county publishes them.
Areas covered
Parcel counts by place, largest first: San Rafael (21,852), Novato (20,752), Mill Valley (11,169), San Anselmo (5,557), Sausalito (4,034).
Land use mix
The most common land use or property class on file, as the county writes it, by share of parcels with one: Single-Resid. - Improved 42%, Single Family Attached 10%, Multiple-Resid. - Improved 4%, Tax Exempt 3%, Single-Resid. - Unimproved 3%.
Nearest counties
- San Francisco County: about 25 mi away, 227,549 parcels
- Sonoma County: about 32 mi away, 189,457 parcels
- Napa County: about 35 mi away, 51,992 parcels
- Contra Costa County: about 40 mi away, 398,460 parcels
- Solano County: about 40 mi away, 153,148 parcels
Search Marin County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, assessed values, year built and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the Marin County map See plans
Common questions
How many parcels are in Marin County, California?
Parcelio carries 96,260 parcel records for Marin County, California, with owner information on 98 percent of them.
Can I find out who owns a property in Marin County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, assessed values, year built and lot lines on the map.
How do I find vacant land or absentee owners in Marin County?
We do not hold vacancy data for Marin County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. Marin County does have owner mailing state: 1,138 parcels have an owner mailing address outside California.
Can I search Marin County by lot size or acreage?
Yes. Acreage is on 99 percent of Marin County parcels, mapped from the parcel boundary, and the advanced search filters on it directly - set a minimum and maximum to pull every tract in that range, then stack vacancy or absentee ownership on top.