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79 William St, Apt K, Cotati, CA 94931 Property Records

Sonoma County property record for 79 William St, Apt K, Cotati, CA 94931 · Last verified August 2026

Property Highlights

Property TypeResidential > Condominium / Townhouse > Condominium
Bedrooms2 Beds
Bathrooms1.5 Baths
Year BuiltBuilt 1980
Square Footage1,250 sqft Living Area
Lot Size1 sqft (0.014 acres)
GarageCarport, 200 sqft
Last Sale$325,000 (2017)
Tax Bill$4,765.00 (2025)

Property Details

APN / Parcel Number

Primary APN144-560-011-000
Alternative APN
  • 144-560-011

Interior

Bedrooms2 Beds
Full Baths1.5 Baths
Partial Baths1 Partial Baths
Total Rooms2 Rooms
Building Area1,250 sqft Living Area
1st Floor600 sqft 1st Floor
Stories2 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1980
Effective Year BuiltEffective 1980
Architectural StyleCustom Design Style
Construction TypeWood Construction
Lot Area1 sqft (0.014 acres)
Parking Spaces1 Parking Spaces
Garage TypeCarport Garage
Garage Area200 sqft Garage
CarportCarport
Carport Area200 sqft Carport

Utilities and HVAC

Cooling SystemHVAC Cooling

Location & Zoning

Old Parcel Number144-560-011
Street Address79 WILLIAM ST, K
CityCOTATI
StateCA
Zip94931-5213
Property UsageResidential Property Usage
TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionMAP 297 PG 31 UNIT 11
Legal SubdivisionWILLIAM STREET CONDOMINIUMS
Legal Block3
JurisdictionSONOMA CA
Minor Civil DivisionPETALUMA
Census Blockgroup3
Census Block3002
Census Tract151204

Owner

Source: Sonoma County records · APN 144-560-011-000

Assessment roll updated April 13, 2026 · Last verified August 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 Address794 CORONA RD, PETALUMA, CA 94954-1438
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

DateDocument
Aug 19, 2021Intrafamily Transfer, Transfer
Mar 28, 2017Quit Claim Deed, Transfer
FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY
Mar 28, 2017Grant Deed, Transfer
FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMar 28, 2017 · Amount on Record
Deed SaleMar 28, 2017 · Amount on Record
Prior SaleDec 30, 2004 · Amount on Record
Deed Doc Number201723922
Last Transfer DateAug 19, 2021
Transfer Doc0000094215
Record RefreshedSep 20, 2026

August 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateAug 19, 2021
Property Address79 WILLIAM ST APT K, K, COTATI, CA 94931-5213
Document Number0000094215
Map ReferenceDOC 80-36555
Instrument DateAug 19, 2021
Instrument2021094215
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address794 CORONA RD, PETALUMA, CA 94954-1438

March 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSONOMA CA
Recording DateMar 28, 2017
Property Address79 WILLIAM ST APT K, K, COTATI, CA 94931-5213
Document Number0000023923
Instrument DateMar 23, 2017
Instrument23923
Transaction TypeTransfer
Record UpdatedApr 14, 2017
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address794 CORONA RD PETALUMA CA 949541438, PETALUMA, CA 94954-1438

March 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSONOMA CA
Recording DateMar 28, 2017
Property Address79 WILLIAM ST APT K, K, COTATI, CA 94931-5213
Document Number0000023922
Instrument DateMar 22, 2017
Instrument23922
Transaction TypeTransfer
Record UpdatedApr 12, 2017
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$358.00
Amount AccuracyFull Value
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address794 CORONA RD PETALUMA CA 949541438, PETALUMA, CA 94954-1438

Tax Assessment & Valuation

Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified August 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$4,765.00 (+3.03%)$377,185 (+4.04%) Land $150,874 Building $226,311
2023$4,625.00 (+1.78%)$362,540 Land $145,016 Building $217,524
2022$4,544.00

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