420 Duncan Dr, Windsor, CA 95492 Property Records

Sonoma County property record for 420 Duncan Dr, Windsor, CA 95492

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,470 sqft · built 1989
Lot Size	0.174 acres (7,560 sqft)
Owner	Individual Name on Record
Last Sale	$54,000 (Mar 2003)
Tax Bill	$4,847 (2025)
Deeds & Mortgages	Jun 2021 Transfer Jun 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`066-510-033-000`

Property Details

APN / Parcel Number

Primary APN	`066-510-033-000`
Alternative APN	`066-510-033`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	4 Rooms
Stories	1 Story
Building Area	1,470 sqft Living Area
1st Floor Area	1,470 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Architectural Style	Custom Design
Exterior Material	Wood Siding
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	7,560 sqft (0.174 acres)
Garage Area	441 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Old Parcel Number	066-510-033
Street Address	420 DUNCAN DR
City	WINDSOR
State	CA
Zip	95492-8699
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYWI
Legal Description	TWIN PALMS LOT 6
Legal Subdivision	TWIN PALMS
Legal Block	1
Legal Lot Number	6
Jurisdiction	SONOMA CA
Township / Civil Division	HEALDSBURG
Census Block Group	1
Census Block	1000
Census Tract	153811

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	Individual Name on Record
Mailing Address	420 DUNCAN DR, WINDSOR, CA 95492-8699
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 11, 2021	Intrafamily Transfer, Transfer
Jun 11, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 27, 2003 · Amount on Record
Deed Sale	Mar 27, 2003 · Amount on Record
Prior Sale	Oct 31, 1990 · Amount on Record
Deed Document Number	200359171
Last Transfer Date	May 26, 2021
Transfer Doc	0000069176
Record Updated	Oct 29, 2026

June 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Jun 11, 2021
Property Address	420 DUNCAN DR, WINDSOR, CA 95492-8699
Document Number	0000069176
Map Reference	MB 432 PG 20-22
Instrument Date	May 26, 2021
Instrument	2021069176
Transaction Type	Transfer
Record Updated	Jul 26, 2022

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
Address	420 DUNCAN DR, WINDSOR, CA 95492-8699

June 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Jun 11, 2021
Property Address	420 DUNCAN DR, WINDSOR, CA 95492-8699
Document Number	0000069175
Map Reference	MB 432 PG 20-22
Instrument Date	May 26, 2021
Instrument	2021069175
Transaction Type	Transfer
Record Updated	Jul 26, 2022

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	420 DUNCAN DR, WINDSOR, CA 95492-8699

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		$405,324 (+2%) Land $165,820 Building $239,504
2025	$4,847.00 (+4.21%) Homeowner's exemption	$397,377 (+4.04%) Land $162,569 Building $234,808
2023	$4,651.00 (+1.75%) Homeowner's exemption	$381,948 Land $156,257 Building $225,691
2022	$4,571.00

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

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 360 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
AT&T DSL	100 / 20

May also be available: GeoLinks.

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