Marin County

E18258

administrative territorial entity county

Marin County is a coastal county in the San Francisco Bay Area known for its affluent communities, scenic landscapes, and landmarks like the Marin Headlands and Mount Tamalpais.

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All labels observed (5)

Label	Occurrences
Marin County canonical	86
Marin County, California	82
Marin County, California, United States	10
County of Marin	2
Marin County government	2

How this entity was disambiguated

This entity first appeared as the object of triple T22114 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Marin County
Context triple: [Northern California, contains, Marin County]

A. San Francisco County
San Francisco County is a densely populated, culturally diverse urban county on the tip of the San Francisco Peninsula, encompassing the city of San Francisco and serving as a major economic and technological hub in California.
B. San Mateo County, California
San Mateo County, California is a coastal county in the San Francisco Bay Area known for its affluent communities, tech industry presence, and proximity to both San Francisco and Silicon Valley.
C. Contra Costa County
Contra Costa County is a populous county in the San Francisco Bay Area known for its suburban communities, regional parks, and role as a residential and industrial hub east of Oakland and San Francisco.
D. Alameda County
Alameda County is a populous and diverse county in the San Francisco Bay Area that includes cities such as Oakland and Berkeley.
E. Santa Clara County
Santa Clara County is a populous and economically significant county in California’s Silicon Valley, home to major technology companies and cities such as San Jose.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Marin County
Target entity description: Marin County is a coastal county in the San Francisco Bay Area known for its affluent communities, scenic landscapes, and landmarks like the Marin Headlands and Mount Tamalpais.

A. San Francisco County
San Francisco County is a densely populated, culturally diverse urban county on the tip of the San Francisco Peninsula, encompassing the city of San Francisco and serving as a major economic and technological hub in California.
B. San Mateo County, California
San Mateo County, California is a coastal county in the San Francisco Bay Area known for its affluent communities, tech industry presence, and proximity to both San Francisco and Silicon Valley.
C. Contra Costa County
Contra Costa County is a populous county in the San Francisco Bay Area known for its suburban communities, regional parks, and role as a residential and industrial hub east of Oakland and San Francisco.
D. Alameda County
Alameda County is a populous and diverse county in the San Francisco Bay Area that includes cities such as Oakland and Berkeley.
E. Santa Clara County
Santa Clara County is a populous and economically significant county in California’s Silicon Valley, home to major technology companies and cities such as San Jose.
F. None of above. chosen

Statements (55)

Predicate	Object
instanceOf	administrative territorial entity ⓘ county ⓘ
architecturalFeature	Marin County Civic Center designed by Frank Lloyd Wright ⓘ
borders	Pacific Ocean ⓘ San Francisco Bay ⓘ Sonoma County, California ⓘ surface form: Sonoma County
connectedBy	Golden Gate Bridge ⓘ
contains	Angel Island State Park ⓘ Belvedere ⓘ Bolinas ⓘ China Camp State Park ⓘ Corte Madera ⓘ Fairfax ⓘ Larkspur ⓘ Marin City ⓘ Marin County Civic Center ⓘ Golden Gate National Recreation Area ⓘ surface form: Marin Headlands Golden Gate National Recreation Area ⓘ surface form: Marin Headlands Visitor Center Mill Valley ⓘ Mount Tamalpais State Park ⓘ surface form: Mount Tamalpais Muir Woods National Monument ⓘ Novato ⓘ Point Reyes National Seashore ⓘ Point Reyes Station ⓘ Ross ⓘ Samuel P. Taylor State Park ⓘ Sausalito ⓘ Stinson Beach ⓘ Tiburon ⓘ Tomales Bay ⓘ
country	United States of America ⓘ
countySeat	San Rafael ⓘ
federalCongressionalDistrict	California's 2nd congressional district ⓘ
fipsCode	06041 ⓘ
governmentType	county government ⓘ
hasLandmark	Marin County Civic Center ⓘ Golden Gate National Recreation Area ⓘ surface form: Marin Headlands Mount Tamalpais State Park ⓘ surface form: Mount Tamalpais Muir Woods National Monument ⓘ Point Reyes Lighthouse ⓘ
knownFor	affluent communities ⓘ coastal scenery ⓘ environmental activism ⓘ open space preserves ⓘ scenic landscapes ⓘ
largestCity	San Rafael ⓘ
locatedIn	California, United States ⓘ surface form: California Northern California ⓘ San Francisco Bay Area ⓘ
locatedNorthOf	San Francisco ⓘ
partOf	San Francisco Bay Area ⓘ surface form: San Francisco–Oakland–Berkeley metropolitan area
postalAbbreviation	CA ⓘ
stateLegislativeDistrict	California State Assembly District 12 ⓘ California State Senate District 2 ⓘ
timeZone	Pacific Time Zone ⓘ

How these facts were elicited

Referenced by (182)

Full triples — surface form annotated when it differs from this entity's canonical label.

Steep Ravine area → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Dipsea Trail segments → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Old Railroad Grade → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Old Railroad Grade → county → Marin County ⓘ

Mountain Theater → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Mountain Theater → county → Marin County ⓘ

Belvedere → county → Marin County ⓘ

subject surface form: Belvedere, California

this entity surface form: Marin County, California

Belvedere → partOf → Marin County ⓘ

subject surface form: Belvedere, California

this entity surface form: Marin County, California

California State Assembly District 12 → hasPart → Marin County ⓘ

California State Assembly District 12 → locatedInAdministrativeTerritorialEntity → Marin County ⓘ

Marin County Civic Center → locatedInTheAdministrativeTerritorialEntity → Marin County ⓘ

this entity surface form: Marin County, California

Marin County Civic Center → ownedBy → Marin County ⓘ

this entity surface form: County of Marin

Marin County Civic Center → operatedBy → Marin County ⓘ

this entity surface form: County of Marin

Mill Valley → county → Marin County ⓘ

Federated Indians of Graton Rancheria → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Federated Indians of Graton Rancheria → traditionalTerritory → Marin County ⓘ

this entity surface form: Marin County, California

Tomales Bay → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

North Bay (San Francisco Bay Area) → includes → Marin County ⓘ

Point Reyes Lighthouse → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Point Reyes Lighthouse → county → Marin County ⓘ

Stinson Beach → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Stinson Beach → administrativeDivision → Marin County ⓘ

Stinson Beach → governingBody → Marin County ⓘ

this entity surface form: Marin County government

San Pablo Bay National Wildlife Refuge → locatedInCounty → Marin County ⓘ

this entity surface form: Marin County, California

Western Miwok → region → Marin County ⓘ

this entity surface form: Marin County, California

Bootjack Campground → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Bootjack Campground → county → Marin County ⓘ

Keith Godchaux → placeOfDeath → Marin County ⓘ

this entity surface form: Marin County, California, United States

Bolinas → locatedIn → Marin County ⓘ

Matt Davis Trail → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Matt Davis Trail → county → Marin County ⓘ

Phil Lesh → residence → Marin County ⓘ

this entity surface form: Marin County, California, United States

East Peak of Mount Tamalpais → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

East Peak of Mount Tamalpais → offersViewOf → Marin County ⓘ

Pantoll Campground → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Pantoll Campground → county → Marin County ⓘ

China Camp State Park → county → Marin County ⓘ

Afeni Shakur → residence → Marin County ⓘ

this entity surface form: Marin County, California, United States

Afeni Shakur → placeOfDeath → Marin County ⓘ

this entity surface form: Marin County, California, United States

James Dougherty → residence → Marin County ⓘ

this entity surface form: Marin County, California, United States

Samuel P. Taylor State Park → county → Marin County ⓘ

Samuel P. Taylor State Park → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Estero de Limantour → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Muir Woods Road → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Muir Woods Road → county → Marin County ⓘ

Chimney Rock → locatedIn → Marin County ⓘ

this entity surface form: Marin County, California

Chimney Rock → county → Marin County ⓘ

San Rafael → county → Marin County ⓘ

subject surface form: San Rafael, California

San Rafael → isCountySeatOf → Marin County ⓘ

subject surface form: San Rafael, California

San Rafael → isCountyAdministrativeCenterFor → Marin County ⓘ

subject surface form: San Rafael, California

this entity surface form: Marin County government

All labels observed (5)

How this entity was disambiguated Show

Statements (55)

How these facts were elicited Show

Referenced by (182)

How this entity was disambiguated

How these facts were elicited