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Marin County, CA Parcels & GIS Data

Marin County, CA parcel data: 96,227 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Marin County, California parcel data covering 96,227 property records.

This page documents parcel-level coverage for Marin County, California. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for Marin County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Marin County property dataset.

Marin County is a county located in the northwestern part of the San Francisco Bay Area of the U.S. state of California. As of the 2020 census, the population was 262,321. Its county seat and largest city is San Rafael.

FIPS 06041

Official county website: https://www.marinmap.org/Html5Viewer/Index.html?viewer=smmdataviewer

The FIPS code for Marin County is 06041.

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Attribute coverage

Marin County contains 96,227 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%96,227
parcelid100%96,227
parcelid2100%96,227
ogparcelid100%96,227
ogparcelid2100%96,227
parentid<0.1%0
stackid<0.1%0
geoid100%96,227
statefp100%96,227
countyfp100%96,227
countyname100%96,227
cousubfp100%96,227
cousubname100%96,227
tractce100%96,227
tractname100%96,227
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict99.9%96,176
usecode100%96,227
usedesc99.9%96,102
zoningcode29.9%28,727
zoningdesc29.9%28,727
numbldgs90.1%86,693
numunits99.9%96,102
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue<0.1%0
taxacres99.9%96,109
calcarea100%96,227
saleamt<0.1%0
saledate0.1%122
ownertype100%96,227
ownername100%96,196
owneraddr98.5%94,751
ownercity99.9%96,161
ownerstate99.9%96,162
ownerzip99.5%95,772
parceladdr99.1%95,387
parcelcity98.6%94,883
parcelstate100%96,227
parcelzip100%96,179
legaldesc<0.1%0
township84.8%81,634
section84.8%81,634
qtrsection84.8%81,634
range84.8%81,634
plssdesc84.8%81,634
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype2.6%2,482
accesstype2.6%2,482
iucnclass1.0%1,008
placename6.4%6,171
placetype6.3%6,093
firmid99.9%96,116
firmdate99.9%96,116
fldzone99.9%96,116
zonesubty86.2%82,967
staticbfe9.6%9,276
elevmin99.3%95,564
elevmax99.3%95,564
elevavg99.3%95,564
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode13.5%13,020
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated29.9%28,729
centroidx100%96,227
centroidy100%96,227
surfpointx100%96,227
surfpointy100%96,227
geom100%96,227
extras100%96,227
ownerlist99.5%95,780
placefp92.9%89,421
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Marin County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — Marin County, California (06041) 1 entity · most recent acquisition per entity · generated 2026-08-30 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL parcel propid usecd usecddesc livingunits acres mailtoname1 mailline1 mailcity mailstate mailzipcode assessorsitusaddress geom taxratearea 7 cols ⇢ parcelid parcelid2 usecode usedesc numunits taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 29.9% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 99.3% elevmin 99.3% elevmax 99.3% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 86.2% zonesubty 9.6% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 90.1% numbldgs 98.6% parcelcity 100% parcelstate 100% parcelzip 84.8% township 84.8% section 84.8% qtrsection 84.8% range 84.8% plssdesc 100% ownerlist 92.9% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxdistrict usecode usedesc numbldgs numunits taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (43) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue landvalue, agvalue, totalvalue, saleamt, saledate, legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit zoningurl PARCEL 14 mapped · 7 kept in extras · 40 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel propid usecd usecddesc livingunits acres mailtoname1 mailline1 mailcity mailstate mailzipcode assessorsitusaddress geom taxratearea parcelid parcelid2 usecode usedesc numunits taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr geom taxdistrict extras · 7 source columns preserved as json rectify, asrgeoref, asrcaddwg, propenddt, jurisdiction shape_starea__, shape_stlength__ extras not present in source — filled with NULL (40) taxacctnum, taxyear, zoningcode, zoningdesc, numbldgs, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue agvalue, totalvalue, saleamt, saledate, parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book page, block, lot, updated, sourceurl, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Marin County:

Frequently asked questions

Where can I find Marin County, CA parcel and GIS data?

Land Records publishes a Marin County, CA parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full Marin County, CA dataset as a GeoPackage or CSV.

How many parcels are in Marin County, CA?

The current dataset contains 96,227 parcel records for Marin County, CA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Marin County, CA?

The FIPS code for Marin County, CA is 06041.

What information does each Marin County, CA parcel record include?

Each Marin County, CA parcel record includes the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is Marin County, CA parcel data free?

You can preview Marin County, CA parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

Does Marin County, CA have an official GIS or property records website?

Yes — the official Marin County, CA government website is linked in the county details above. Land Records standardizes Marin County, CA assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated