509 White Ash Ct, Windsor, CA 95492 Property Records

Sonoma County property record for 509 White Ash Ct, Windsor, CA 95492

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,795 sqft · built 1990
Lot Size	0.119 acres (5,183 sqft)
Owner	Individual Name on File
Last Sale	$183,000 (Aug 1996)
Tax Bill	$3,715 (2025)
Deeds & Mortgages	Aug 2026 Sale Aug 2026 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`162-180-009-000`

Property Details

APN / Parcel Number

Primary APN	`162-180-009-000`
Alternative APN	`162-180-009`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	3 Rooms
Stories	2 Stories
Building Area	1,795 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	5,183 sqft (0.119 acres)

Location & Zoning

Old Parcel Number	162-180-009
Street Address	509 WHITE ASH CT
City	WINDSOR
State	CA
Zip	95492-8199
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYWI
Legal Description	SUMMERTREE PARK 3A LOT 9
Legal Subdivision	SUMMERTREE PARK
Legal Tract	777
Legal Block	1
Legal Lot Number	9
Jurisdiction	SONOMA CA
Township / Civil Division	HEALDSBURG
Census Block Group	1
Census Block	1016
Census Tract	153807

Owner

509 White Ash Ct is owned and occupied by an individual who acquired it in April 2008.

Source: Sonoma County records, as of September 3, 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	Individual Name on File
Mailing Address	509 WHITE ASH CT, WINDSOR, CA 95492-8199
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Unmarried

Deeds, Mortgages & Sale History

Date	Document
Aug 27, 2026	Grant Deed, Transfer NONE LISTED ON DOCUMENT
Aug 26, 2026	Affidavit, Transfer
Nov 3, 2023	Intrafamily Transfer, Transfer · Conventional Mortgage STIFEL BANK & TRUST
Sep 17, 2019	Deed of Trust, Mortgage · Line of Credit STIFEL BK&TR

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 13, 1996 · Amount on File
Deed Sale	Aug 13, 1996 · Amount on File
Prior Sale	Jul 30, 1993 · Amount on File
Deed Document Number	199671924
Last Transfer Date	Apr 24, 2008
Transfer Doc	0000039718
Record Updated	Oct 29, 2026

August 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Aug 27, 2026
Property Address	509 WHITE ASH CT, WINDSOR, CA 95492-8199
Document Number	0000044028
Instrument Date	Aug 27, 2026
Instrument	202644028
Transaction Type	Transfer
Record Updated	Sep 9, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 WHITE ASH CT, WINDSOR, CA 95492-8199

August 2026: Affidavit, Transfer

Document Type	Affidavit
Jurisdiction	SONOMA CA
Recording Date	Aug 26, 2026
Property Address	509 WHITE ASH CT, WINDSOR, CA 95492-8199
Document Number	0000043696
Instrument Date	Aug 20, 2026
Instrument	202643696
Transaction Type	Transfer
Record Updated	Sep 2, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 WHITE ASH CT, WINDSOR, CA 95492-8199

November 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Nov 3, 2023
Property Address	509 WHITE ASH CT, WINDSOR, CA 95492-8199
Document Number	0000054606
Map Reference	MB 469 PG 19-22
Instrument Date	Sep 11, 2023
Instrument	2023054606
Transaction Type	Transfer
Record Updated	Nov 22, 2023
Title Company	BOSTON NATIONAL TITLE AGENCY

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	509 WHITE ASH CT, WINDSOR, CA 95492-8199

Mortgage

Document Number	0000054607
Date	Nov 3, 2023
Instrument	2023054607

Lender

Name	STIFEL BANK & TRUST
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	6.5%
Type Change Date	Nov 1, 2028
Change Frequency	6 Months
Min Rate At Change	4.5%
Max Rate At Change	8.5%
Margin	3
Max Rate	11.5%

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	509 WHITE ASH CT, WINDSOR, CA 95492-8199
Document Number	0000071469
Instrument Date	Sep 17, 2019
Transaction Type	Mortgage
Record Updated	Oct 18, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 WHITE ASH CT WINDSOR CA 954928199, WINDSOR, CA 95492-8199

Mortgage

Document Number	0000071469
Date	Oct 2, 2019
Instrument	71469

Lender

Name	STIFEL BK&TR
Type	Bank
Address	SAINT LOUIS, MO 63141

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	120 Months
Due	Oct 1, 2029

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 509 White Ash Ct was $3,715 with a homeowner's exemption.

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		$298,027 (+2%) Land $113,997 Building $184,030
2025	$3,715.00 Homeowner's exemption	$292,184 Land $111,762 Building $180,422
2023	$3,567.00 (+1.71%) Homeowner's exemption	$280,840 Land $107,423 Building $173,417
2022	$3,507.00

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

Flood

FEMA maps place 509 White Ash Ct in Zone X, an area of minimal flood risk.

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
Nearby Flood Policies	2 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

Wildfire risk around 509 White Ash Ct is low, with a 0.01% annual chance of 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	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 562 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
AT&T DSL	100 / 20

May also be available: GeoLinks, T-Mobile, Verizon.

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