635 William Cunningham Ave, Sonoma, CA 95476 Property Records

Sonoma County property record for 635 William Cunningham Ave, Sonoma, CA 95476

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,986 sqft · built 1994
Lot Size	0.459 acres (20,005 sqft)
Owner	Company Name on Record
Last Sale	$3,415,000 (Feb 2021)
Tax Bill	$42,879 (2025)
Deeds & Mortgages	Feb 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`127-700-027-000`

Property Details

APN / Parcel Number

Primary APN	`127-700-027-000`
Alternative APN	`127-700-027`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	3,986 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1994
Effective Year Built	Effective 1994
Construction Type	Wood
Lot Area	20,005 sqft (0.459 acres)
Garage Type	Attached
Garage Area	936 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Old Parcel Number	127-700-027
Street Address	635 WILLIAM CUNNINGHAM AVE
City	SONOMA
State	CA
Zip	95476-7270
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	94 FM PT 127-291-010 & 11 ARMSTRONG ESTS LOT 27
Legal Subdivision	ARMSTRONG EST
Legal Block	3
Legal Lot Number	27
Jurisdiction	SONOMA CA
Township / Civil Division	SONOMA
Census Block Group	3
Census Block	3008
Census Tract	150204

Owner

Source: Sonoma County records, as of September 1, 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 Record
Mailing Address	1569 BALBOA WAY, BURLINGAME, CA 94010-4664
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 18, 2021 · Amount on Record
Deed Sale	Feb 18, 2021 · Amount on Record
Prior Sale	Nov 1, 2000 · Amount on Record
Deed Document Number	202119576
Prior Transfer Date	Sep 22, 2014
Prior Transfer Doc	0000003277
Record Updated	Oct 29, 2026

February 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Feb 18, 2021
Property Address	635 WILLIAM CUNNINGHAM AVE, SONOMA, CA 95476-7270
Document Number	0000019576
Map Reference	MB 511 PG 7-13
Instrument Date	Feb 9, 2021
Instrument	2021019576
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$3,756.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	1569 BALBOA AVE, BURLINGAME, CA 94010-4664

Mortgage

Document Number	0000019577
Date	Feb 18, 2021
Instrument	2021019577

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

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

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of September 1, 2026

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Municipality	Sonoma City
Unified School District	Sonoma Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$3,770,432 (+2%) Land $1,490,507 Building $2,279,925
2025	$42,879.00 (+3.95%)	$3,696,503 (+4.04%) Land $1,461,282 Building $2,235,221
2023	$41,250.00 (+1.24%)	$3,552,966 Land $1,404,540 Building $2,148,426
2022	$40,745.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective February 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	3 in force
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1998 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation

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 SONOMA serves 10,619 people · EPA ID CA4910012
Water Source	Groundwater
Last State Inspection	Jul 2024
Lead	Under 1 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 540 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
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: T-Mobile.

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