9530 Willow Ave, Cotati, CA 94931 Property Records

Sonoma County property record for 9530 Willow Ave, Cotati, CA 94931 · Last verified April 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms2 Beds
Bathrooms1 Baths
Architecture StyleCustom Design
Year BuiltBuilt 1956
Square Footage1,144 sqft Living Area
Lot Size217,800 sqft (5 acres)
GarageDetached, 480 sqft
Tax Bill$1,395.00 (2025)

Property Details

APN / Parcel Number

Primary APN047-033-003-000
Alternative APN
  • 047-033-003

Interior

Bedrooms2 Beds
Full Baths1 Baths
Total Rooms5 Rooms
Building Area1,144 sqft Living Area
1st Floor1,144 sqft 1st Floor
Stories1 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1927
Effective Year BuiltEffective 1956
Architectural StyleCustom Design Style
Construction TypeWood Construction
Lot Area217,800 sqft (5 acres)
Parking Spaces2 Parking Spaces
Garage TypeDetached Garage
Garage Area480 sqft Garage

Utilities and HVAC

Cooling SystemNone Cooling

Location & Zoning

Old Parcel Number047-033-003
Street Address9530 WILLOW AVE
CityCOTATI
StateCA
Zip94931-9644
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionPART OF LOT 117
Legal SubdivisionSUBDIVISION #5 OF THE COTATI RANCHO
Legal Block1
Legal Lot Number117
JurisdictionSONOMA CA
Minor Civil DivisionPETALUMA
Census Blockgroup1
Census Block1006
Census Tract151205

Owner

Source: Sonoma County records · APN 047-033-003-000

Assessment roll updated April 13, 2026 · Last verified April 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 AddressPO BOX 7053, COTATI, CA 94931-7053
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateNov 30, 2010
Transfer Doc0000001625
Record RefreshedJun 08, 2026

Tax Assessment & Valuation

Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified April 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySonoma County
Elementary School DistrictPetaluma City Elementary School District (KG - 06)
Secondary School DistrictPetaluma Joint Union High School District (07 - 12)

Tax Bill & Assessment History

Assessed value is set for property tax purposes and is not a market price estimate.

YearTax BillAssessed Value
2025$1,395.00 (+14.53%) Homeowner's exemption$75,958 (+4.04%) Land $44,094 Building $31,864
2023$1,218.00 (+1.5%) Homeowner's exemption$73,011 Land $42,383 Building $30,628
2022$1,200.00

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