604 Main St, Napa, CA 94559 Property Records

Napa County property record for 604 Main St, Napa, CA 94559

Property Summary

Property TypeCommercial Building, Warehouse, Showroom
Details24,484 sqft · built 2010
Lot Size0.75 acres (32,670 sqft)
OwnerCompany Name on Record
Tax Bill$192,064 (2026)
Deeds & MortgagesApr 2024 Line of Credit
Flood ZoneZone X (moderate risk)
APN003-320-005-000

Property Details

APN / Parcel Number

Primary APN003-320-005-000
Alternative APN
  • 003-320-005

Interior

Stories1 Story
Building Area24,484 sqft Gross Area
1st Floor Area24,484 sqft

Exterior

Year BuiltBuilt 2010
Effective Year BuiltEffective 2010
Construction TypeSteel Frame
Fire ResistanceFireproof Steel Frame
Lot Area32,670 sqft (0.75 acres)

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemHVAC

Location & Zoning

Old Parcel Number003-320-005
Street Address604 MAIN ST
CityNAPA
StateCA
Zip94559-3317
Property CategoryCommercial
Property TypeCommercial > Retail > Commercial Building, Warehouse, Showroom
Local Zoning CodeCD
Legal SubdivisionNAPA RIVERFRONT SUBD.
JurisdictionNAPA CA
Township / Civil DivisionNAPA
Census Block Group2
Census Block2001
Census Tract200202

Owner

Source: Napa County records, as of October 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on Record
Mailing Address1850 SOSCOL AVE, 207, NAPA, CA 94559-1355
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedOct 29, 2026

April 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNAPA CA
Property Address604 MAIN ST, NAPA, CA 94559-3317
Transaction TypeMortgage
Record UpdatedApr 26, 2024
Title CompanyPLACER TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000005159
DateApr 12, 2024
Instrument2024-0005159
Lender
NameSTANDARD INSURANCE CO
TypeFunding / Finance Company
Address10265 NE TANASBOURNE DR, HILLSBORO, OR 97124
Agreement
TypeLine of Credit
AmountAmount Recorded
Term361 Months
DueMay 1, 2054

Tax Assessment & Valuation

Source: Napa County assessment roll, as of October 21, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyNapa County
MunicipalityNapa City
Unified School DistrictNapa Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$192,064.00 (+3.04%)$10,608,165 (+2%) Land $359,037 Building $10,249,128$10,608,165 Land $359,037 Building $10,249,128
2025$186,390.00 (+15.43%)$10,400,163 (+4.04%) Land $351,998 Building $10,048,165
2023$161,476.00 (+5.77%)$9,996,315 Land $338,331 Building $9,657,984
2022$152,666.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective June 25, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies6 in force
Nearby Flood Claims3 (1986–1995)
Most Recent ClaimMar 1995 · Severe Winter Storms, Flooding Landslides, Mud Flow
Claims by Event
  • Severe Storms & Flooding, Feb 1986 · 2 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF NAPA
serves 84,804 people · EPA ID CA2810003
Water SourceSurface water
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 440 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL in parts of the area
5,000 / 5,000
Xfinity
Cable · Fiber in parts of the area
2,000 / 250
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

Nearby Properties on Main St

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