501 Bay St, Angwin, CA 94508 Property Records

Napa County property record for 501 Bay St, Angwin, CA 94508

Property Summary

Property TypeDuplex
Details3 bd · 2 ba · 1,146 sqft · built 1946
Lot Size0.44 acres (19,166 sqft)
Owner2 Company Names on Record
Tax Bill$625 (2026)
Flood ZoneZone X (minimal risk)
APN024-112-009-000

Property Details

APN / Parcel Number

Primary APN024-112-009-000
Alternative APNs
  • 024-112-009
  • 02411209

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Building Area1,146 sqft Living Area
Gross Area1,746 sqft

Exterior

Year BuiltBuilt 1946
Effective Year BuiltEffective 1946
Architectural StyleDuplex Single
Construction TypeWood
Lot Area19,166 sqft (0.44 acres)
Garage TypeAttached
Garage Area600 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHVAC

Location & Zoning

Old Parcel Number024-112-009
Street Address501 BAY ST
CityANGWIN
StateCA
Zip94508-9731
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeRSB5
Legal DescriptionMAP NO 2516 18R/S69
Legal SubdivisionLA JOTA RANCHO
Legal Lot Number40
JurisdictionNAPA CA
Township / Civil DivisionANGWIN
Census Block Group2
Census Block2000
Census Tract201700

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 Record2 Company Names on Record
Mailing Address1255 MARY LEE WAY, SAN JOSE, CA 95118-1539
Owner TypeCompany
VestingLife Tenant

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateApr 15, 2025
Transfer Doc0000005424
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyNapa County
Elementary School DistrictHowell Mountain Elementary School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$625.00 (+1.96%)$55,688 (+2%) Land $20,205 Building $35,483$55,688 Land $20,205 Building $35,483
2025$613.00 (+3.72%)$54,597 (+4.04%) Land $19,809 Building $34,788
2023$591.00 (+1.72%)$52,479 Land $19,041 Building $33,438
2022$581.00

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
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims2 (2004–2011)
Claims Outside the SFHA2 of 2
Most Recent ClaimMar 2011 · rainfall accumulation

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 RiskHigh
above 70% of the US · above 45% of California
Wildfire Likelihood0.3% annual chance
ExposureDirect
burnable vegetation

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 SystemHOWELL MOUNTAIN MUTUAL WATER COMPANY
private · serves 1,244 people · EPA ID CA2810001
Water SourceSurface water
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityTotal trihalomethanes
resolved · Jan 2023
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 20 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
1,200 / 35

May also be available: Valley Internet.

Nearby Properties on Bay St

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