521 Walnut St, Petaluma, CA 94952 Property Records

Sonoma County property record for 521 Walnut St, Petaluma, CA 94952

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,871 sqft · built 1900
Lot Size0.203 acres (8,820 sqft)
Owner2 Company Names on Record
Last Sale$58,000 (Nov 2018)
Tax Bill$4,899 (2025)
Deeds & MortgagesMar 2026 Transfer
Aug 2024 Line of Credit
+ 4 more
Flood ZoneZone X (minimal risk)
APN006-144-005-000

Property Details

APN / Parcel Number

Primary APN006-144-005-000
Alternative APN
  • 006-144-005

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms2 Rooms
Stories1 Story
Building Area1,871 sqft Living Area
1st Floor Area1,871 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1924
Architectural StyleCustom Design
Construction TypeWood
Lot Area8,820 sqft (0.203 acres)
Garage Area504 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemFloor/Wall Furnace

Location & Zoning

Old Parcel Number006-144-005
Street Address521 WALNUT ST
CityPETALUMA
StateCA
Zip94952-2750
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeCITYPE
Legal SubdivisionCHERRY HILL ADD
Legal Block4
Legal Lot Number1,2
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group4
Census Block4004
Census Tract150902

Owner

Source: Sonoma County records, as of September 14, 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 Address507 GALLAND ST, PETALUMA, CA 94952-2714
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Mar 25, 2026Intrafamily Transfer, Transfer
Aug 28, 2024Deed of Trust, Mortgage · Line of Credit
REDWOOD CU
Feb 5, 2026Intrafamily Transfer, Transfer · Conventional Mortgage
NEW AMERICAN FUNDING
Dec 3, 2018Deed of Trust, Mortgage · Conventional Mortgage
SIERRA PACIFIC MORTGAGE CO INC
Nov 13, 2018Grant Deed, Transfer
FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Dec 8, 2017Deed of Trust, Mortgage · Line of Credit
REDWOOD CU

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 13, 2018 · Amount on Record
Deed SaleNov 13, 2018 · Amount on Record
Deed Document Number201878016
Last Transfer DateJan 15, 2026
Transfer Doc0000005797
Record UpdatedOct 29, 2026

March 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateMar 25, 2026
Property Address521 WALNUT ST, PETALUMA, CA 94952-2750
Document Number0000013682
Instrument DateMar 24, 2026
Instrument2026013682
Transaction TypeTransfer
Record UpdatedApr 2, 2026

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address507 GALLAND ST, PETALUMA, CA 94952-2714

August 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address521 WALNUT ST, PETALUMA, CA 94952-2750
Transaction TypeMortgage
Record UpdatedFeb 13, 2026
Title CompanyFIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address521 WALNUT ST, PETALUMA, CA 94952-2750

Mortgage

Document Number0000039406
DateAug 28, 2024
Instrument2024039406
Lender
NameREDWOOD CU
TypeCredit Union
AddressSANTA ROSA, CA 95403
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueAug 15, 2054
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

February 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateFeb 5, 2026
Property Address521 WALNUT ST, PETALUMA, CA 94952-2750
Document Number0000005797
Instrument DateJan 15, 2026
Instrument2026005797
Transaction TypeTransfer
Record UpdatedFeb 13, 2026
Title CompanyFIRST PRIORITY TITLE COMPANY, FIRST INTEGRITY TITLE CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address521 WALNUT ST, PETALUMA, CA 94952-2750

Mortgage

Document Number0000005798
DateFeb 5, 2026
Instrument2026005798
Lender
NameNEW AMERICAN FUNDING
TypeLending Institution
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueFeb 1, 2056

December 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address521 WALNUT ST, PETALUMA, CA 94952-2750
Transaction TypeMortgage
Record UpdatedFeb 7, 2021
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000082445
DateDec 3, 2018
Instrument2018082445
Lender
NameSIERRA PACIFIC MORTGAGE CO INC
TypeMortgage Company
AddressFOLSOM, CA 95630
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueDec 1, 2048

November 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSONOMA CA
Recording DateNov 13, 2018
Property Address521 WALNUT ST, PETALUMA, CA 94952-2750
Document Number0000078016
Instrument DateNov 7, 2018
Instrument78016
Transaction TypeTransfer
Record UpdatedDec 3, 2018
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
Tax$63.80
Amount AccuracyPartial

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address521 WALNUT ST PETALUMA CA 949522750, PETALUMA, CA 94952-2750

December 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address521 WALNUT ST, PETALUMA, CA 94952-2750
Document Number0000096424
Instrument DateDec 8, 2017
Transaction TypeMortgage
Record UpdatedJan 4, 2018
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address521 WALNUT ST PETALUMA CA 949522750, PETALUMA, CA 94952-2750

Mortgage

Document Number0000096424
DateDec 14, 2017
Instrument96424
Lender
NameREDWOOD CU
TypeCredit Union
AddressSANTA ROSA, CA 95403
Agreement
TypeLine of Credit
AmountAmount Recorded
Term300 Months
DueDec 13, 2042
Interest
Rate TypeAdjustable Rate

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$427,202 (+2%) Land $85,302 Building $341,900
2025$4,899.00 (+10.56%) Homeowner's exemption$418,827 (+4.04%) Land $83,630 Building $335,197
2023$4,431.00 (+0.89%) Homeowner's exemption$402,566 Land $80,384 Building $322,182
2022$4,392.00

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 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 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.

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