312 4th St, Petaluma, CA 94952 Property Records

Sonoma County property record for 312 4th St, Petaluma, CA 94952

Property Summary

Property TypeApartments (5+ Units)
Details3 bd · 2 ba · 1,480 sqft · built 1986
Lot Size0.276 acres (12,035 sqft)
OwnerCompany Name on Record
Tax Bill$5,619 (2025)
Flood ZoneZone X (minimal risk)
APN008-114-004-000

Property Details

APN / Parcel Number

Primary APN008-114-004-000
Alternative APN
  • 008-114-004

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Units5 Units
Stories2 Stories
Building Area1,480 sqft Living Area
1st Floor Area760 sqft

Exterior

Year BuiltBuilt 1986
Effective Year BuiltEffective 1987
Architectural StyleL-Shape
Construction TypeWood
Lot Area12,035 sqft (0.276 acres)
Garage TypeDetached
Garage Area547 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number008-114-004
Street Address312 4TH ST
CityPETALUMA
StateCA
Zip94952-3478
Property CategoryResidential
Property TypeResidential > Multi-Unit > Apartments (5+ Units)
Local Zoning CodeCITYPE
Legal DescriptionMISC 104 PG 182 LOT 52
Legal SubdivisionSTRATTONS
Legal Block3
Legal Lot Number52
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group3
Census Block3034
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 RecordCompany Name on Record
Mailing Address13 BENJAMIN LN, PETALUMA, CA 94952-1743
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateOct 3, 1996
Transfer Doc0000090543
Record UpdatedOct 29, 2026

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$484,424 (+2.53%) Land $55,430 Building $428,994
2025$5,619.00 (+10.18%)$472,456 (+4%) Land $54,344 Building $418,112
2023$5,100.00 (+0.83%)$454,268 Land $52,235 Building $402,033
2022$5,058.00

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 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 724 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
AT&T
DSL · Fiber in parts of the area
100 / 20

May also be available: Astound Broadband, T-Mobile.

Nearby Properties on 4th St

Nearby Streets

Search Property Records by Address or Parcel Number