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

Sonoma County property record for 79 William St, Apt F, Cotati, CA 94931

Property Summary

Property Type	Condominium
Details	2 bd · 1.5 ba · 1,250 sqft · built 1980
Lot Size	2.29 acres (1 sqft)
Owner	2 Individual Names on File
Last Sale	$403,000 (Feb 2018)
Tax Bill	$5,693 (2025)
Deeds & Mortgages	Feb 2021 Mortgage Feb 2018 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`144-560-001-000`

Property Details

APN / Parcel Number

Primary APN	`144-560-001-000`
Alternative APN	`144-560-001`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	1,250 sqft Living Area
1st Floor Area	600 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	1 sqft
Garage Type	Carport
Garage Area	200 sqft
Carport	Carport
Carport Area	200 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	144-560-001
Street Address	79 WILLIAM ST, F
City	COTATI
State	CA
Zip	94931-5212
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	CITYCO
Legal Description	80FM144-200-12 15 16 17&18 WILLIAM ST CONDO 144-56
Legal Subdivision	WILLIAM ST CONDO
Legal Block	3
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	3
Census Block	3002
Census Tract	151204

Owner

79 William St, Apt F is owned by two individuals who bought it in February 2018.

Source: Sonoma County records, as of September 1, 2026

Owner of Record	2 Individual Names on File
Mailing Address	805 GILARDI DR, PETALUMA, CA 94952-2007
Owner Type	Individual
Vesting	Community Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Feb 26, 2021	Deed of Trust, Mortgage · Conventional Mortgage HOMEBRIDGE FINANCIAL SERVICES INC
Feb 6, 2018	Grant Deed, Transfer · Conventional Mortgage HOMEBRIDGE FINANCIAL SERVICES INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 6, 2018 · Amount on File
Deed Sale	Feb 6, 2018 · Amount on File
Prior Sale	Jun 11, 2010 · Amount on File
Deed Document Number	20188379
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	79 WILLIAM ST APT F, F, COTATI, CA 94931-5212
Transaction Type	Mortgage
Record Updated	Mar 18, 2021
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	805 GILARDI DR, PETALUMA, CA 94952-2007

Mortgage

Document Number	0000023441
Date	Feb 26, 2021
Instrument	2021023441

Lender

Name	HOMEBRIDGE FINANCIAL SERVICES INC
Type	Mortgage Company
Address	ISELIN, NJ 08830

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2051

February 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Feb 6, 2018
Property Address	79 WILLIAM ST APT F, F, COTATI, CA 94931-5212
Document Number	0000008379
Map Reference	DOC80-36555
Instrument Date	Feb 2, 2018
Instrument	2018008379
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	OLD REPUBLIC TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	805 GILARDI DR, PETALUMA, CA 94952-2007

Mortgage

Document Number	0000008381
Date	Feb 6, 2018
Instrument	2018008381

Lender

Name	HOMEBRIDGE FINANCIAL SERVICES INC
Type	Funding / Finance Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 79 William St, Apt F was $5,693.

Source: Sonoma County assessment roll, as of September 1, 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

Year	Tax Bill	Assessed Value
2026		$467,710 (+2%) Land $185,691 Building $282,019
2025	$5,693.00	$458,540 Land $182,050 Building $276,490
2023	$5,527.00 (+1.77%)	$440,736 Land $174,982 Building $265,754
2022	$5,431.00

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

Flood

FEMA maps place 79 William St, Apt F in Zone X, an area of moderate flood risk.

Source: FEMA National Flood Hazard Layer, effective February 15, 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 79 William St, Apt F has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not 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 System	CITY OF COTATI serves 7,290 people · EPA ID CA4910016
Water Source	Groundwater
Last State Inspection	Aug 2024
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 553 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

Nearby Properties on William St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures