421 Washington St, Petaluma, CA 94952 Property Records

Sonoma County property record for 421 Washington St, Petaluma, CA 94952

Property Summary

Property TypeService Station (Full Service)
Details1,596 sqft · built 1964
Lot Size0.34 acres (14,810 sqft)
Owner2 Company Names on Record
Tax Bill$19,373 (2025)
Deeds & MortgagesDec 2018 Mortgage
Flood ZoneZone X (minimal risk)
APN006-361-032-000

Property Details

APN / Parcel Number

Primary APN006-361-032-000
Alternative APN
  • 006-361-032

Interior

Stories1 Story
Building Area1,596 sqft Gross Area
1st Floor Area1,596 sqft

Exterior

Year BuiltBuilt 1964
Effective Year BuiltEffective 1970
Lot Area14,810 sqft (0.34 acres)

Utilities, Heating & Cooling

Cooling SystemNone

Location & Zoning

Old Parcel Number006-361-032
Street Address421 WASHINGTON ST
CityPETALUMA
StateCA
Zip94952-2916
Property CategoryCommercial
Property TypeCommercial > Retail > Service Station (Full Service)
Local Zoning CodeCITYPE
Legal DescriptionLOT 287 & PTN 288 CITY OF PETALUMA
Legal SubdivisionSTRATTONS
Legal Block3
Legal Lot Number287
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group3
Census Block3009
Census Tract150701

Owner

Source: Sonoma County records, as of September 1, 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 Address1450 N BENSON AVE, A, UPLAND, CA 91786-2127
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 17, 2010
Deed SaleNov 17, 2010
Prior SaleJul 28, 1998 · Amount on Record
Deed Document Number2010102506
Record UpdatedOct 29, 2026

December 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address421 WASHINGTON ST, PETALUMA, CA 94952-2916
Document Number0000011799
Instrument DateDec 18, 2018
Transaction TypeMortgage
Record UpdatedMar 4, 2019
Title CompanyLIEN SOLUTIONS

Transaction

Additional
  • Multiple Parcels

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address1040 N BENSON AVE UPLAND CA 917862157, UPLAND, CA 91786-2157

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of September 1, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySonoma County
MunicipalityPetaluma City
Elementary School DistrictPetaluma City Elementary School District (KG - 06)
Secondary School DistrictPetaluma Joint Union High School District (07 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,723,493 (+1.69%) Land $522,714 Building $1,200,779
2025$19,373.00 (+8.16%)$1,694,893 (+3.01%) Land $512,465 Building $1,182,428
2023$17,911.00 (+1.16%)$1,645,443 Land $492,566 Building $1,152,877
2022$17,705.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies43 units insured
incl. 37 condo units

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 RiskLow
lower than 96% of the US · lower than 97.4% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 PETALUMA
serves 61,427 people · EPA ID CA4910006
Water SourceGroundwater
Last State InspectionJun 2024
LeadUnder 1 ppb (2021–2023)
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 714 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
AT&T
Fiber · DSL in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20

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