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423 Donner Ave, Petaluma, CA 94954 Property Records

Sonoma County property record for 423 Donner Ave, Petaluma, CA 94954

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 1,907 sqft · built 1967
Lot Size0.138 acres (6,000 sqft)
Owner2 Individual Names on Record
Last Sale$835,000 (Oct 2026)
Tax Bill$6,329 (2025)
Deeds & MortgagesOct 2026 Sale & Mortgage
Feb 2022 Mortgage
Flood ZoneZone X (minimal risk)
APN149-087-008-000

Property Details

APN / Parcel Number

Primary APN149-087-008-000
Alternative APN
  • 149-087-008

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms4 Rooms
Stories2 Stories
Building Area1,907 sqft Living Area
1st Floor Area1,067 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1967
Effective Year BuiltEffective 1969
Architectural StyleL-Shape
Construction TypeWood
Roof MaterialWood Shingle
Lot Area6,000 sqft (0.138 acres)
Garage Area469 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC
SewerMunicipal
Water SourceCommercial

Location & Zoning

Old Parcel Number149-087-008
Street Address423 DONNER AVE
CityPETALUMA
StateCA
Zip94954-3689
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeCITYPE
Legal DescriptionMAP 113 PG 4 LOT 49
Legal SubdivisionEAST PARK 03
Legal Block6
Legal Lot Number49
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group6
Census Block6004
Census Tract150603

Owner

Source: Sonoma County records, as of October 21, 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 Record2 Individual Names on Record
Mailing Address423 DONNER AVE, PETALUMA, CA 94954-3689
OccupancyOwner Occupied
Owner TypeIndividual
VestingHusband and Wife

Deeds, Mortgages & Sale History

DateDocument
Oct 13, 2026Grant Deed, Transfer · Conventional Mortgage
GUILD MORTGAGE COMPANY
Feb 23, 2022Deed of Trust, Mortgage · Conventional Mortgage
JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 13, 2026 · Amount on Record
Deed SaleOct 13, 2026 · Amount on Record
Prior SaleJun 25, 2002 · Amount on Record
Deed Document Number202652368
Prior Transfer DateJun 5, 2001
Prior Transfer Doc0000072918
Record UpdatedOct 29, 2026

October 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSONOMA CA
Recording DateOct 13, 2026
Property Address423 DONNER AVE, PETALUMA, CA 94954-3689
Document Number0000052368
Instrument DateOct 8, 2026
Instrument202652368
Transaction TypeTransfer
Record UpdatedOct 20, 2026
Title CompanyREPUBLIC TITLE COMPANY, OLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$92,768.50
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address423 DONNER AVE, PETALUMA, CA 94954-3689
InvestorPossibly a Property Investor

Mortgage

Document Number0000052369,
DateOct 13, 2026
Instrument202652369
Lender
NameGUILD MORTGAGE COMPANY
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueNov 1, 2056
Interest
Rate TypeFixed Rate
Initial TypeFixed Rate
Max Rate-1%

February 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address423 DONNER AVE, PETALUMA, CA 94954-3689
Transaction TypeMortgage
Record UpdatedMar 9, 2022
Title CompanySTATES TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address423 DONNER AVE, PETALUMA, CA 94954-3689

Mortgage

Document Number0000013097
DateFeb 23, 2022
Instrument2022013097
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
AddressCOLUMBUS, OH 43240
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueMar 1, 2037

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$557,518 (+2%) Land $278,759 Building $278,759
2025$6,329.00 (+10.18%) Homeowner's exemption$546,588 (+4.04%) Land $273,294 Building $273,294
2023$5,744.00 (+0.88%) Homeowner's exemption$525,366 Land $262,683 Building $262,683
2022$5,694.00

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 Policies1 in force
Nearby Flood Claims1 (1982)
Most Recent ClaimJan 1982 · Severe Storms, Flood, Mudslides & High Tide

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 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 669 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
AT&T
DSL		100 / 20

May also be available: Sonic Telecom, T-Mobile, Verizon.

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