303 12th St, Petaluma, CA 94952 Property Records

Sonoma County property record for 303 12th St, Petaluma, CA 94952

Property Summary

Property TypeSingle Family Home
Details1 bd · 1 ba · 746 sqft · built 1947
Lot Size0.126 acres (5,500 sqft)
OwnerIndividual Name on Record
Tax Bill$1,833 (2025)
Deeds & MortgagesNov 2021 Line of Credit
Flood ZoneZone X (minimal risk)
APN008-382-033-000

Property Details

APN / Parcel Number

Primary APN008-382-033-000
Alternative APN
  • 008-382-033

Interior

Bedrooms1 Bed
Full Baths1 Bath
Total Rooms1 Room
Stories1 Story
Building Area746 sqft Living Area
1st Floor Area746 sqft

Exterior

Year BuiltBuilt 1947
Effective Year BuiltEffective 1947
Architectural StyleL-Shape
Construction TypeWood
Lot Area5,500 sqft (0.126 acres)
Garage TypeDetached
Garage Area333 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number008-382-033
Street Address303 12TH ST
CityPETALUMA
StateCA
Zip94952-4105
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeCITYPE
Legal Description87 FM PT 8-382-11 OR 87-6956
Legal SubdivisionMAP OF SUNNY SLOPE
Legal Block4
Legal Lot Number13
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group4
Census Block4003
Census Tract150701

Owner

Source: Sonoma County records, as of September 1, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordIndividual Name on Record
Mailing AddressPO BOX 2183, PETALUMA, CA 94953-2183
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Person

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateMar 7, 2000
Transfer Doc0000024363
Record UpdatedOct 29, 2026

November 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address303 12TH ST, PETALUMA, CA 94952-4105
Transaction TypeMortgage
Record UpdatedNov 22, 2021
Title CompanyFIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO

Transferred To (Grantee/Buyer)

NameVerified Name
Address303 12TH ST, PETALUMA, CA 94952-4105

Mortgage

Document Number0000121054
DateNov 5, 2021
Instrument2021121054
Lender
NameBANK OF THE WEST
TypeBank
AddressOMAHA, NE 68154
Agreement
TypeLine of Credit
AmountAmount Recorded
Term361 Months
DueDec 1, 2051
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

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$151,320 (+2%) Land $79,643 Building $71,677
2025$1,833.00 (+13.71%) Homeowner's exemption$148,354 (+4.04%) Land $78,082 Building $70,272
2023$1,612.00 (+0.88%) Homeowner's exemption$142,595 Land $75,050 Building $67,545
2022$1,598.00

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
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies3 in force

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 62% of the US · lower than 77% of California
Wildfire Likelihood0.06% 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 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 628 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

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