3098 Windmill Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 3098 Windmill Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	5 bd · 6 ba · 5,351 sqft · built 2004
Lot Size	0.718 acres (31,258 sqft)
Owner	2 Company Names on Record
Last Sale	$2,325,000 (Sep 2008)
Tax Bill	$36,696 (2025)
Flood Zone	Zone X (minimal risk)
APN	`8713-021-023`

Property Details

APN / Parcel Number

Primary APN	`8713-021-023`

Interior

Bedrooms	5 Beds
Full Baths	6 Baths
Building Area	5,351 sqft Living Area

Exterior

Year Built	Built 2004
Effective Year Built	Effective 2004
Construction Type	Wood
Lot Area	31,258 sqft (0.718 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	3098 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 8
Legal Subdivision	48487
Legal Tract	48487
Legal Block	1
Legal Lot Number	8
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 August 25, 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	3098 WINDMILL DR, DIAMOND BAR, CA 91765-3656
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 10, 2008 · Amount on Record
Deed Sale	Sep 10, 2008 · Amount on Record
Prior Sale	Aug 20, 2002 · Amount on Record
Deed Document Number	20081627867
Prior Transfer Date	Aug 13, 2002
Prior Transfer Doc	0001949471
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 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
2026		$3,053,393 (+2%) Land $1,313,513 Building $1,739,880
2025	$36,696.00 (+7.47%)	$2,993,523 (+4.04%) Land $1,287,758 Building $1,705,765
2023	$34,144.00 (+2.25%)	$2,877,282 Land $1,237,753 Building $1,639,529
2022	$33,394.00

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 76% of the US · above 52% of California
Wildfire Likelihood	0.4% 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 48 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 35
T-Mobile Fixed Wireless	100 / 20