70 William St, Cotati, CA 94931 Property Records

Sonoma County property record for 70 William St, Cotati, CA 94931 · Last verified April 2026

Property Highlights

Property Type	Public Works > Public School (Administration, Campus, Dorns, Instruction)
Bedrooms	2 Beds
Bathrooms	1 Baths
Year Built	Built 1937
Square Footage	1,228 sqft Gross Area
Lot Size	9,000 sqft (0.207 acres)
Garage	Attached, 216 sqft
Last Sale	$150,000 (1989)
Tax Bill	$3,584.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`144-261-007-000`
Alternative APN	`144-261-007`

Interior

Bedrooms	2 Beds
Full Baths	1 Baths
Total Rooms	2 Rooms
Units	2 Units
Building Area	1,228 sqft Gross Area
1st Floor	1,012 sqft 1st Floor
Stories	1 Stories

Exterior

Year Built	Built 1937
Effective Year Built	Effective 1937
Construction Type	Wood Construction
Lot Area	9,000 sqft (0.207 acres)
Depth X Width	150 ft x 60 ft Depth x Width
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	216 sqft Garage

Location & Zoning

Old Parcel Number	144-261-007
Street Address	70 WILLIAM ST
City	COTATI
State	CA
Zip	94931-4236
Property Usage	Land which may be one of the following: Public spaces (i.e. parks and beaches), public buildings (i.e. schools, hospitals, courthouse), public services (i.e. water treatment, electrical grid/product, dams) Property Usage
Type	Public Works > Public School (Administration, Campus, Dorns, Instruction)
Legal Description	MAP 10 PG 8 BLK 6 PART OF LOT 5,4
Legal Subdivision	COTATI RHO 06
Legal Block	3
Legal Lot Number	5
Jurisdiction	SONOMA CA
Minor Civil Division	PETALUMA
Census Blockgroup	3
Census Block	3006
Census Tract	151204

Owner

Source: Sonoma County records · APN 144-261-007-000

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 Record	Company Name on File
Mailing Address	173 NELSON WAY, SEBASTOPOL, CA 95472-3652
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jul 18, 1989 · Amount on Record
Deed Sale	Jul 18, 1989 · Amount on Record
Deed Doc Number	198965711
Last Transfer Date	Aug 23, 2018
Transfer Doc	0000060798
Record Refreshed	Jun 08, 2026

August 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Aug 28, 2018
Property Address	70 WILLIAM ST, COTATI, CA 94931-4236
Document Number	0000060798
Instrument Date	Aug 23, 2018
Instrument	60798
Transaction Type	Transfer
Record Updated	Sep 13, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	173 NELSON WAY SEBASTOPOL CA 954723652, SEBASTOPOL, CA 95472-3652

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Municipality	Cotati City
Unified School District	Cotati-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.

Year	Tax Bill	Assessed Value
2025	$3,584.00 (+3.08%)	$273,597 (+4.04%) Land $128,967 Building $144,630
2023	$3,477.00 (+1.82%)	$262,975 Land $123,960 Building $139,015
2022	$3,415.00