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 October 2, 2026.
Napa County, California, has about 133,000 residents (2024 Census Bureau estimate). The title to a parcel in Napa County 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 or the county. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, directory links, city permits, evictions and court cases, records requests and common questions.
Related guides: Napa County public records, Napa County arrest records, Napa County warrants, Napa County inmate search, Napa County criminal records, California arrest records and California inmate search.
Deeds, Mortgages and Liens in Napa County
Deeds, mortgages, liens and easements that affect title to land in Napa County are recorded by the County Recorder, which indexes them by name and sells copies.
SearchSystems opened and checked the County Recorder's page at napacounty.gov/1297/Recorder-County-Clerk (page title: Recorder | County Clerk | Napa County, CA), phone 707-253-4247, Monday through Friday 8 a.m. to 3 p.m., which answered when SearchSystems opened it on October 2, 2026.
Assessed Values and the Tax Roll in Napa County
What a parcel in Napa County 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 common2.mptsweb.com/mbc/napa/tax/search (page title: Search Page | Napa County | MBC), which answered when SearchSystems opened it on September 23, 2026.
More Official Property and Land Records Pages for Napa County
The SearchSystems directory, online since 1997, lists the official pages for Napa County and California. These property pages from its Napa County listing were opened again on October 2, 2026 and each one still answers:
- OrthoImagery/NapaCountyOrthos2021 (ImageServer) (gis.napa.ca.gov)
Permits and City Records in the Cities of Napa County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Napa County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- American Canyon: the city hall page SearchSystems verified is at americancanyon.gov/Work/Local-Government/City-Hall (verified September 25, 2026).
- St. Helena: the city hall page SearchSystems verified is at cityofsthelena.gov/27/City-Hall (verified September 26, 2026).
Evictions and Court Cases About Land in Napa County
An eviction, a foreclosure, a lien dispute or a quiet title suit is a court case in the Superior Court of California, County of Napa, and the file is public unless sealed.
The court records page SearchSystems verified for the county is at napa.courts.ca.gov/research-records, phone (707) 299-1140.
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 countyofnapa.nextrequest.com (page title: Requests for Public RecordsNextRequest | Modern FOIA & Public Records Request Software).
Frequently Asked Questions
Who records deeds in Napa County?
The County Recorder, at napacounty.gov/1297/Recorder-County-Clerk, phone 707-253-4247. Deeds, mortgages and liens on land in Napa County are filed there, and the County Assessor (common2.mptsweb.com/mbc/napa/tax/search) has the assessment records.
Who sets the assessed value of a property in Napa County?
The County Assessor, whose page SearchSystems verified is at common2.mptsweb.com/mbc/napa/tax/search.
Where are evictions from Napa County filed?
In the Superior Court of California, County of Napa. 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 Napa County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.