438 Walten Way, Windsor, CA 95492 Property Records

Sonoma County property record for 438 Walten Way, Windsor, CA 95492

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,134 sqft · built 1992
Lot Size	0.171 acres (7,461 sqft)
Owner	2 Individual Names on Record
Last Sale	$565,000 (Sep 2016)
Tax Bill	$7,899 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Apr 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`161-310-016-000`

Property Details

APN / Parcel Number

Primary APN	`161-310-016-000`
Alternative APN	`161-310-016`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,134 sqft Living Area
Gross Area	2,666 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1992
Effective Year Built	Effective 1992
Construction Type	Wood
Lot Area	7,461 sqft (0.171 acres)
Garage Type	Attached
Garage Area	532 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Old Parcel Number	161-310-016
Street Address	438 WALTEN WAY
City	WINDSOR
State	CA
Zip	95492-7931
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYWI
Legal Description	91 FM 065-920-16 # CHG PER MD CASTLE ESTS LOT 41
Legal Subdivision	CHG PER MD CASTLE EST
Legal Block	3
Legal Lot Number	41
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 are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	438 WALTEN WAY, WINDSOR, CA 95492-7931
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Mar 22, 2021	Deed of Trust, Mortgage · Conventional Mortgage NATIONSTAR MORTGAGE LLC
Apr 21, 2020	Deed of Trust, Mortgage · Conventional Mortgage MR COOPER

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 21, 2016 · Amount on Record
Deed Sale	Sep 21, 2016 · Amount on Record
Deed Document Number	201683442
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	438 WALTEN WAY, WINDSOR, CA 95492-7931
Transaction Type	Mortgage
Record Updated	Apr 12, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	438 WALTEN WAY, WINDSOR, CA 95492-7931

Mortgage

Document Number	0000035696
Date	Mar 22, 2021
Instrument	2021035696

Lender

Name	NATIONSTAR MORTGAGE LLC
Type	Mortgage Company
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Apr 1, 2041

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	438 WALTEN WAY, WINDSOR, CA 95492-7931
Document Number	0000031593
Instrument Date	Apr 21, 2020
Transaction Type	Mortgage
Record Updated	May 14, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	438 WALTEN WAY WINDSOR CA 954927931, WINDSOR, CA 95492-7931

Mortgage

Document Number	0000031593
Date	Apr 27, 2020
Instrument	31593

Lender

Name	MR COOPER
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	300 Months
Due	Apr 26, 2045

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		$668,836 (+2%) Land $267,534 Building $401,302
2025	$7,899.00 (+4.28%) Homeowner's exemption	$655,723 (+4.04%) Land $262,289 Building $393,434
2023	$7,575.00 (+1.8%) Homeowner's exemption	$630,262 Land $252,105 Building $378,157
2022	$7,441.00

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	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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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