Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site between September 23, 2026 and September 25, 2026.
Martinez, California, in Contra Costa County, has about 37,000 residents (2024 Census Bureau estimate). The title to a parcel in Martinez is in the deed records of the County Recorder and its taxable value is set by the County Assessor; what is built on it is a matter for the city. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, city permits and records, evictions and court cases, records requests and common questions.
Related guides: Martinez public records, Contra Costa County property records, Martinez arrest records, Martinez warrants, Martinez inmate search, Martinez criminal records, California arrest records and California inmate search.
Deeds, Mortgages and Liens in Martinez
Deeds, mortgages, liens and easements that affect title to land in Martinez are recorded by the County Recorder, which indexes them by name and sells copies.
SearchSystems opened and checked the County Recorder's page at contracostavote.gov/recorder/county-recorder-division (page title: COUNTY RECORDER DIVISION | Contra Costa County), phone 925-335-7900, 555 Escobar St., Martinez, CA 94553, which answered when SearchSystems opened it on September 23, 2026.
Assessed Values and the Tax Roll in Martinez
What a parcel in Martinez is taxed on is the business of the County Assessor, which also keeps the parcel maps. Under Proposition 13 a property's assessed value is set when it changes hands and can rise no more than 2 percent a year after that, so a home owned for decades is often assessed far below its market value.
SearchSystems opened and checked the County Assessor's page at contracosta.ca.gov/552/Maps-Property-Information (page title: Maps & Property Information | Contra Costa County, CA Official Website), which answered when SearchSystems opened it on September 23, 2026.
Permits and City Records in Martinez
Building permits, zoning and code cases are the city's own. For Martinez, SearchSystems opened and checked the city hall page at cityofmartinez.org/government/city-clerk (page title: The City Clerk's Office | Martinez, CA), phone (925) 372-3512, 525 Henrietta Street Martinez, CA 94553, which answered when SearchSystems opened it on September 25, 2026.
Evictions and Court Cases About Land in Martinez
An eviction, a foreclosure, a lien dispute or a quiet title suit is a court case in the Superior Court of California, County of Contra Costa, and the file is public unless sealed.
The court records page SearchSystems verified for the county is at contracosta.courts.ca.gov/online-services/records.
Asking a County Office for a Record
Under the California Public Records Act a county office must answer a request within 10 days, with up to 14 more days in unusual circumstances, and it may charge the direct cost of copying only, not staff time. The county records request page SearchSystems verified is at contracosta.ca.gov/8129/Public-Records-Requests (page title: Public Records Requests | Contra Costa County, CA Official Website).
Frequently Asked Questions
Who records deeds in Martinez?
The County Recorder, at contracostavote.gov, phone 925-335-7900. Deeds, mortgages and liens on land in Martinez are filed there, and the County Assessor (contracosta.ca.gov) has the assessment records.
Who sets the assessed value of a property in Martinez?
The County Assessor, whose page SearchSystems verified is at contracosta.ca.gov.
Where are evictions from Martinez filed?
In the Superior Court of California, County of Contra Costa. The file is public unless the court seals it.
How is property assessed in California?
Under Proposition 13 a property's assessed value is set when it changes hands and can rise no more than 2 percent a year after that, so a home owned for decades is often assessed far below its market value.
Is this the official Martinez website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.