Median estimated market value for properties in this county.
AssessorSearch county dataNapa County, CA
Napa County, CA assessor property search and records
Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Napa County, California. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Napa County address or APN
Official sources
Napa County assessor, recorder, tax, and parcel map sources
Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.
| Record type | Official source | Notes |
|---|---|---|
| Assessed values | Napa County Assessor Property Searchcommon1.mptsweb.com/mbap/napa/asr |
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| Deeds and recorded documents | Napa County Official Records Searchservices.napacounty.gov/OfficialRecords |
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| Property taxes | Napa County Property Tax Searchcommon2.mptsweb.com/mbc/napa/tax/search/ |
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| GIS and parcel maps | Napa County Online Public Mapgis.napacounty.gov/NapaCountyMap/ |
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| Permits and building records | Napa County Online Permit Centeraca-prod.accela.com/NAPACO/Default.aspx |
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| Zoning and land use | Napa County GIS Zoning Mapgis.napacounty.gov/NapaCountyMap/ |
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County data
Napa County tax rates and property values
County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.
Median assessed value from county assessment records when available.
AssessorSearch county dataMedian annual property tax amount from indexed tax records when available.
AssessorSearch county dataMedian effective property tax rate calculated from annual tax and value fields.
AssessorSearch county dataCity property data
Top city rollups for estimated value, assessed value, property tax rate, and tax amount.
| City | Median estimated value | Median assessed value | Median effective property tax rate | Median tax amount |
|---|---|---|---|---|
| Napa | $848,563 | $535,677 | 0.77% | $6,792 |
| American Canyon | $726,037 | $533,196 | 0.90% | $6,420 |
| Saint Helena | $1,536,836 | $920,754 | 0.70% | $9,797 |
| Calistoga | $926,824 | $634,104 | 0.70% | $6,832 |
| Yountville | $1,393,624 | $778,544 | 0.64% | $8,515 |
| Angwin | $924,515 | $703,049 | 0.79% | $7,102 |
| Pope Valley | $437,520 | $254,865 | 1.12% | $4,437 |
| Deer Park | $1,396,298 | $1,001,248 | 0.82% | $10,602 |
| Sonoma | $3,288,873 | $4,404,013 | 1.49% | $48,993 |
FAQ
Napa County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Napa County property records by address?
Use the official Napa County Assessor Property Search to search Napa County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Napa County by address or APN.
How do I find the owners of Napa County properties?
Use the official Napa County Assessor Property Search for county ownership and parcel records when owner names are available online. Use AssessorSearch property search as a free, easy-to-use option to look up Napa County properties by address or APN.
Where can I verify assessed value in Napa County?
Use the official Napa County Assessor Property Search for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Napa County property tax bills or payments?
Use the official Napa County Property Tax Search for property tax bills, payment history, due dates, or tax collector records.
Where can I find deeds or recorded documents in Napa County?
Use the official Napa County Official Records Search for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.
Where can I view parcel maps or GIS data in Napa County?
Use the official Napa County Online Public Map for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.
Where can I search permits or zoning in Napa County?
Use Napa County Online Permit Center for permits and Napa County GIS Zoning Map for zoning or land-use records. City properties may require city-specific permit or planning portals.
Can I build a list of Napa County property owners?
Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.
Related counties
More California property records
Use related county pages when researching nearby property records or comparing official source patterns.