3057 Windmill Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 3057 Windmill Dr, Diamond Bar, CA 91765 · Last verified June 2026

Property Summary

Property Type	Single Family Home
Details	5 bd · 8 ba · 8,703 sqft · built 2003
Lot Size	4.9 acres (213,455 sqft)
Owner	2 Individual Names on File
Last Sale	$3,350,000 (Oct 2019)
Tax Bill	$45,447 (2025)
Deeds & Mortgages	Oct 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8713-021-047`

Property Details

APN / Parcel Number

Primary APN	`8713-021-047`

Interior

Bedrooms	5 Beds
Full Baths	8 Baths
Building Area	8,703 sqft Living Area

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Construction Type	Wood
Lot Area	213,455 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	3057 WINDMILL DR
City	DIAMOND BAR
State	CA
Zip	91765-3670
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TR=50314 EX NE 225.05 FT OF NW 112.55 FT MEASURED ON THE NW AND NE LN LOT 1
Legal Subdivision	50314
Legal Tract	50314
Legal Block	1
Legal Lot Number	1
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1005
Census Tract	403324

Owner

Source: Los Angeles County records · APN 8713-021-047

Assessment roll updated May 21, 2026 · Last verified June 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 File
Mailing Address	3057 WINDMILL DR, DIAMOND BAR, CA 91765-3670
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 08, 2019 · Amount on Record
Deed Sale	Oct 08, 2019 · Amount on Record
Prior Sale	Dec 31, 2015 · Amount on Record
Deed Document Number	20191060646
Prior Transfer Date	Dec 10, 2014
Prior Transfer Doc	0001392666
Record Updated	Sep 20, 2026

October 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Oct 08, 2019
Property Address	3057 WINDMILL DR, DIAMOND BAR, CA 91765-3670
Document Number	0001060646
Map Reference	MB 1257 PG 83-87
Instrument Date	Sep 27, 2019
Instrument	19-1060646
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	3057 WINDMILL DR, DIAMOND BAR, CA 91765-3670

Mortgage

Document Number	0001060647
Date	Oct 08, 2019
Instrument	19-1060647

Lender

Name	MUFG UNION BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2049

Interest

Rate Type	Adjustable Rate
Rate	2.87%
Type Change Date	Nov 01, 2026
Min Rate At Change	2.25%
Max Rate At Change	4.87%
Index	1-Year LIBOR
Max Rate	8.87%

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Diamond Bar City
Unified School District	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$45,447.00 (+7.27%)	$3,663,710 (+4.04%) Land $2,026,742 Building $1,636,968
2023	$42,368.00 (+2.05%)	$3,521,445 Land $1,948,042 Building $1,573,403
2022	$41,517.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No

Wildfire

Wildfire Risk	High above 71% of the US · above 46% of California
Wildfire Likelihood	About 1 in 299 per year
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 234 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Spectrum	Cable	1,000 / 1,000
T-Mobile USA	Fixed Wireless	100 / 20

May also be available at this address: Frontier, Verizon, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.