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55 William St, Cotati, CA 94931 Property Records

Sonoma County property record for 55 William St, Cotati, CA 94931 · Last verified April 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms2 Beds
Bathrooms1 Baths
Year BuiltBuilt 1953
Square Footage1,159 sqft Living Area
Lot Size9,600 sqft (0.22 acres)
Last Sale$187,000 (1999)
Tax Bill$3,741.00 (2025)

Property Details

APN / Parcel Number

Primary APN144-200-008-000
Alternative APN
  • 144-200-008

Interior

Bedrooms2 Beds
Full Baths1 Baths
Total Rooms2 Rooms
Building Area1,159 sqft Living Area
1st Floor1,159 sqft 1st Floor
Stories1 Stories

Exterior

Year BuiltBuilt 1953
Effective Year BuiltEffective 1953
Construction TypeWood Construction
Lot Area9,600 sqft (0.22 acres)

Utilities and HVAC

Cooling SystemNone Cooling

Location & Zoning

Street Address55 WILLIAM ST
CityCOTATI
StateCA
Zip94931-4235
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionMAP D3 164
Legal SubdivisionSUBDIVISION #6 OF THE COTATI RANCHO
Legal Block3
Legal Lot Number17
JurisdictionSONOMA CA
Minor Civil DivisionPETALUMA
Census Blockgroup3
Census Block3002
Census Tract151204

Owner

Source: Sonoma County records · APN 144-200-008-000

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 RecordCompany Name on File
Mailing Address6021 CARNIGLIA LN, PETALUMA, CA 94952-3712
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

DateDocument
Oct 22, 2021Deed of Trust, Mortgage · Conventional Mortgage
NEWREZ LLC
Sep 22, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleAug 20, 1999 · Amount on Record
Deed SaleAug 20, 1999 · Amount on Record
Prior SaleAug 15, 1995 · Amount on Record
Deed Doc Number1999105907
Last Transfer DateSep 13, 2017
Transfer Doc0000074729
Record RefreshedJun 08, 2026

October 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address55 WILLIAM ST, COTATI, CA 94931-4235
Transaction TypeMortgage
Record UpdatedNov 04, 2021
Title CompanyAVENUE 365 LENDER SERVICES, AVENUE 365 LENDER SVCS LLC R

Transferred To (Grantee/Buyer)

NameVerified Name
Address6021 CARNIGLIA LN, PETALUMA, CA 94952-3712

Mortgage

Document Number0000116300
DateOct 22, 2021
Instrument2021116300
Lender
NameNEWREZ LLC
TypeMortgage Company
AddressFORT WASHINGTON, PA 19034
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2051

September 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSONOMA CA
Recording DateSep 22, 2017
Property Address55 WILLIAM ST, COTATI, CA 94931-4235
Document Number0000074729
Instrument DateSep 13, 2017
Instrument74729
Transaction TypeTransfer
Record UpdatedOct 17, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address6021 CARNIGLIA LN PETALUMA CA 949523712, PETALUMA, CA 94952-3712

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountySonoma County
MunicipalityCotati City
Unified School DistrictCotati-Rohnert Park Unified School District (KG - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2025$3,741.00 (+3.06%)$287,401 (+4.04%) Land $130,636 Building $156,765
2023$3,630.00 (+1.79%)$276,243 Land $125,564 Building $150,679
2022$3,566.00

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