3078 Windmill Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 3078 Windmill Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	6 bd · 9 ba · 10,417 sqft · built 2003
Lot Size	0.76 acres (33,103 sqft)
Owner	2 Company Names on Record
Last Sale	$3,950,000 (Apr 2017)
Tax Bill	$56,089 (2025)
Deeds & Mortgages	Feb 2020 Transfer Apr 2017 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8713-021-021`

Property Details

APN / Parcel Number

Primary APN	`8713-021-021`

Interior

Bedrooms	6 Beds
Full Baths	9 Baths
Building Area	10,417 sqft Living Area

Exterior

Year Built	Built 2003
Effective Year Built	Effective 2003
Construction Type	Wood
Lot Area	33,103 sqft (0.76 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	3078 WINDMILL DR
City	DIAMOND BAR
State	CA
Zip	91765-3656
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR120000-
Legal Description	TR=48487 LOT 6
Legal Subdivision	48487
Legal Tract	48487
Legal Block	1
Legal Lot Number	6
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, as of May 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	3078 WINDMILL DR, DIAMOND BAR, CA 91765-3656
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Feb 28, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
Apr 27, 2017	Grant Deed, Transfer FIRST AMERICAN TITLE
Mar 24, 2017	Quit Claim Deed, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 27, 2017 · Amount on Record
Deed Sale	Apr 27, 2017 · Amount on Record
Prior Sale	Jan 28, 2010 · Amount on Record
Deed Document Number	2017469518
Last Transfer Date	Feb 7, 2020
Transfer Doc	0000239371
Record Updated	Sep 20, 2026

February 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Feb 28, 2020
Property Address	3078 WINDMILL DR, DIAMOND BAR, CA 91765-3656
Document Number	0000239371
Instrument Date	Feb 7, 2020
Instrument	239371
Transaction Type	Transfer
Record Updated	Apr 6, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	3078 WINDMILL DR DIAMOND BAR CA 917653656, DIAMOND BAR, CA 91765-3656

April 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 27, 2017
Property Address	3078 WINDMILL DR, DIAMOND BAR, CA 91765-3656
Document Number	0000469518
Instrument Date	Mar 29, 2017
Instrument	469518
Transaction Type	Transfer
Record Updated	May 2, 2017
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$4,345.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	3078 WINDMILL DR DIAMOND BAR CA 917653656, DIAMOND BAR, CA 91765-3656

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 24, 2017
Property Address	3078 WINDMILL DR, DIAMOND BAR, CA 91765-3656
Document Number	0000335418
Instrument Date	Mar 16, 2017
Instrument	335418
Transaction Type	Transfer
Record Updated	Mar 31, 2017
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	3078 WINDMILL DR DIAMOND BAR CA 917653656, DIAMOND BAR, CA 91765-3656

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of May 21, 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

Year	Tax Bill	Assessed Value
2025	$56,089.00 (+7.63%) Homeowner's exemption	$4,584,306 (+4.04%) Land $1,371,576 Building $3,212,730
2023	$52,112.00 (+2.19%) Homeowner's exemption	$4,406,294 Land $1,318,317 Building $3,087,977
2022	$50,996.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	High above 71% of the US · above 46% of California
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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	WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234
Water Source	Purchased surface water from several systems
Last State Inspection	Jun 2023
Lead	Under 1 ppb (2022–2024) 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 234 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: Frontier, GeoLinks, Verizon.

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