520 Walten Way, Windsor, CA 95492 Property Records

Sonoma County property record for 520 Walten Way, Windsor, CA 95492

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,907 sqft · built 1991
Lot Size	0.138 acres (5,988 sqft)
Owner	2 Individual Names on Record
Last Sale	$511,000 (Dec 2015)
Tax Bill	$7,385 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Nov 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`161-310-001-000`

Property Details

APN / Parcel Number

Primary APN	`161-310-001-000`
Alternative APN	`161-310-001`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	4 Rooms
Stories	1 Story
Building Area	1,907 sqft Living Area
Gross Area	2,435 sqft
1st Floor Area	1,907 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1991
Effective Year Built	Effective 1991
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	5,988 sqft (0.138 acres)
Garage Type	Attached
Garage Area	528 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	161-310-001
Street Address	520 WALTEN WAY
City	WINDSOR
State	CA
Zip	95492-8038
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYWI
Legal Description	91 FM 065-920-01 # CHG PER MD CASTLE ESTS LOT 26
Legal Subdivision	CHG PER MD CASTLE EST
Legal Tract	818
Legal Block	3
Legal Lot Number	26
Jurisdiction	SONOMA CA
Township / Civil Division	HEALDSBURG
Census Block Group	3
Census Block	3011
Census Tract	153808

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	2 Individual Names on Record
Mailing Address	520 WALTEN WAY, WINDSOR, CA 95492-8038
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 1, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Nov 15, 2019	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 24, 2015 · Amount on Record
Deed Sale	Dec 24, 2015 · Amount on Record
Prior Sale	Nov 4, 2003 · Amount on Record
Deed Document Number	2015109303
Last Transfer Date	Aug 25, 2020
Transfer Doc	0000076760
Record Updated	Oct 29, 2026

September 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Sep 1, 2020
Property Address	520 WALTEN WAY, WINDSOR, CA 95492-8038
Document Number	0000076760
Map Reference	MB 447 PG 35-41
Instrument Date	Aug 25, 2020
Instrument	2020076760
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	520 WALTEN WAY, WINDSOR, CA 95492-8038

Mortgage

Document Number	0000076761
Date	Sep 1, 2020
Instrument	2020076761

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2050

November 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Nov 15, 2019
Property Address	520 WALTEN WAY, WINDSOR, CA 95492-8038
Document Number	0000083753
Map Reference	MB 447 PG 35-41
Instrument Date	Nov 7, 2019
Instrument	2019083753
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	520 WALTEN WAY, WINDSOR, CA 95492-8038

Mortgage

Document Number	0000083754
Date	Nov 15, 2019
Instrument	2019083754

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2049

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Municipality	Windsor Town
Unified School District	Windsor Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$617,010 (+2%) Land $246,923 Building $370,087
2025	$7,385.00 (+4.22%)	$604,913 (+4.04%) Land $242,082 Building $362,831
2023	$7,086.00 (+1.77%)	$581,426 Land $232,683 Building $348,743
2022	$6,963.00

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 12 policies
Nearby Flood Policies	12 in force
Nearby Flood Claims	1 (2017)
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides

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	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	TOWN OF WINDSOR serves 25,561 people · EPA ID CA4910017
Water Source	Groundwater
Last State Inspection	Aug 2022
Lead	Under 1 ppb (2023–2025) 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 466 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: GeoLinks, Verizon.

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