623 Walnut St, Petaluma, CA 94952 Property Records

Sonoma County property record for 623 Walnut St, Petaluma, CA 94952

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,728 sqft · built 1900
Lot Size0.171 acres (7,450 sqft)
Owner2 Company Names on File
Last Sale$735,000 (Aug 2005)
Tax Bill$12,673 (2025)
Deeds & MortgagesAug 2020 Mortgage
Feb 2018 Line of Credit
Flood ZoneZone X (minimal risk)
APN006-143-007-000

Property Details

APN / Parcel Number

Primary APN006-143-007-000
Alternative APN
  • 006-143-007

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms3 Rooms
Stories2 Stories
Building Area1,728 sqft Living Area
Gross Area2,289 sqft
1st Floor Area834 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1950
Architectural StyleCustom Design
Construction TypeWood
Lot Area7,450 sqft (0.171 acres)
Garage TypeAttached
Garage Area561 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Street Address623 WALNUT ST
CityPETALUMA
StateCA
Zip94952-2753
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeCITYPE
Legal DescriptionBLK 1 LOT 1
Legal SubdivisionCHERRY HILL ADDITION
Legal Block4
Legal Lot Number1
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group4
Census Block4001
Census Tract150902

Owner

Source: Sonoma County assessment roll, as of April 13, 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 File
Mailing Address623 WALNUT ST, PETALUMA, CA 94952-2753
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Aug 12, 2020Deed of Trust, Mortgage · Conventional Mortgage
PENTAGON FCU
Feb 2, 2018Deed of Trust, Mortgage · Line of Credit
UMPQUA BK

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 31, 2005 · Amount on Record
Deed SaleAug 31, 2005 · Amount on Record
Prior SaleNov 8, 1993
Deed Document Number2005128750
Prior Transfer DateOct 14, 2003
Prior Transfer Doc0000225252
Record UpdatedSep 20, 2026

August 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address623 WALNUT ST, PETALUMA, CA 94952-2753
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanySERVICELINK

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000068104
DateAug 12, 2020
Instrument2020068104
Lender
NamePENTAGON FCU
TypeCredit Union
AddressMC LEAN, VA 22102
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term180 Months
DueAug 1, 2035

February 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address623 WALNUT ST, PETALUMA, CA 94952-2753
Document Number0000008141
Instrument DateFeb 2, 2018
Transaction TypeMortgage
Record UpdatedFeb 19, 2018
Title CompanySERVICELINK CRS

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address623 WALNUT ST PETALUMA CA 949522753, PETALUMA, CA 94952-2753

Mortgage

Document Number0000008141
DateFeb 5, 2018
Instrument8141
Lender
NameUMPQUA BK
TypeBank
AddressPETALUMA, CA 94952
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of April 13, 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
2025$12,673.00 (+9.48%) Homeowner's exemption$1,107,444 (+4.04%) Land $683,285 Building $424,159
2023$11,576.00 (+0.88%) Homeowner's exemption$1,064,443 Land $656,753 Building $407,690
2022$11,475.00

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
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 RiskLow
lower than 98% of the US · lower than 98.4% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

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 752 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, Fixed Wireless in parts of the area
100 / 20

May also be available: T-Mobile USA.

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