504 Gertrude Dr, Windsor, CA 95492 Property Records

Sonoma County property record for 504 Gertrude Dr, Windsor, CA 95492

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,817 sqft · built 1989
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Trust Names on File
Last Sale	$649,000 (Aug 2018)
Tax Bill	$8,735 (2025)
Deeds & Mortgages	Jan 2021 Mortgage Feb 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`161-180-064-000`

Property Details

APN / Parcel Number

Primary APN	`161-180-064-000`
Alternative APN	`161-180-064`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,817 sqft Living Area
Gross Area	2,447 sqft
1st Floor Area	1,037 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1990
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,000 sqft (0.138 acres)
Garage Type	Attached
Garage Area	630 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	161-180-064
Street Address	504 GERTRUDE DR
City	WINDSOR
State	CA
Zip	95492-8890
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYWI
Legal Description	91 FM 65-810-64 # CHG PER MD LT94 LAKEWOOD GLEN U2
Legal Subdivision	LAKEWOOD GLEN
Legal Block	1
Legal Lot Number	94
Jurisdiction	SONOMA CA
Township / Civil Division	HEALDSBURG
Census Block Group	1
Census Block	1001
Census Tract	153804

Owner

504 Gertrude Dr is owner-occupied and held in a trust since May 2024.

Source: Sonoma County records, as of September 1, 2026

Owner of Record	2 Trust Names on File
Mailing Address	504 GERTRUDE DR, WINDSOR, CA 95492-8890
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jan 19, 2021	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE LLC
Feb 21, 2020	Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT FUNDING ASSOCIATES LP
Aug 27, 2018	Grant Deed, Transfer · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 27, 2018 · Amount on File
Deed Sale	Aug 27, 2018 · Amount on File
Prior Sale	Aug 8, 2016 · Amount on File
Deed Document Number	201860685
Last Transfer Date	May 10, 2024
Transfer Doc	0000024407
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	504 GERTRUDE DR, WINDSOR, CA 95492-8890
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE FRESNO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	504 GERTRUDE DR, WINDSOR, CA 95492-8890

Mortgage

Document Number	0000005535
Date	Jan 19, 2021
Instrument	2021005535

Lender

Name	UNITED WHOLESALE MORTGAGE LLC
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2051

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SONOMA CA
Property Address	504 GERTRUDE DR, WINDSOR, CA 95492-8890
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000013277
Date	Feb 21, 2020
Instrument	2020013277

Lender

Name	PROVIDENT FUNDING ASSOCIATES LP
Type	Mortgage Company
Address	IRVINE, CA 92612

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2050

August 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Aug 27, 2018
Property Address	504 GERTRUDE DR, WINDSOR, CA 95492-8890
Document Number	0000060685
Map Reference	MB432 PG43-47
Instrument Date	Aug 15, 2018
Instrument	2018060685
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	540 GERTRUDE DR, WINDSOR, CA 95492-8890

Mortgage

Document Number	0000060686
Date	Aug 27, 2018
Instrument	2018060686

Lender

Name	SIERRA PACIFIC MORTGAGE CO INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2048

Mortgage

Document Number	0000060687
Date	Aug 27, 2018
Instrument	2018060687

Lender

Name	TCF NATIONAL BANK
Type	Bank
Address	SIOUX FALLS, SD 57106

Agreement

Type	Commercial Mortgage
Amount	Amount on Record
Term	360 Months
Due	Aug 23, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 504 Gertrude Dr was $8,735.

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		$738,444 (+2%) Land $295,263 Building $443,181
2025	$8,735.00	$723,966 Land $289,474 Building $434,492
2023	$8,379.00 (+1.76%)	$695,856 Land $278,235 Building $417,621
2022	$8,234.00

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

Flood

FEMA maps place 504 Gertrude Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1997.

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	1 in force
Nearby Flood Claims	1 (1997)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jan 1997 · Severe Storms, Flooding, Mud And Landslides

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 504 Gertrude Dr is low, with a 0.02% 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	0.02% annual chance
Exposure	Indirect 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 263 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: Verizon.

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