21619 High Bluff Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21619 High Bluff Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,712 sqft · built 1978
Lot Size	0.59 acres (25,713 sqft)
Owner	2 Individual Names on Record
Last Sale	$490,000 (Apr 2003)
Tax Bill	$9,487 (2025)
Deeds & Mortgages	May 2017 Mortgage Dec 2018 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`8714-008-010`

Property Details

APN / Parcel Number

Primary APN	`8714-008-010`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	2,712 sqft Living Area

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1978
Construction Type	Wood
Lot Area	25,713 sqft (0.59 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	21619 HIGH BLUFF RD
City	DIAMOND BAR
State	CA
Zip	91765-3835
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR19000*
Legal Description	*TR=33205 LOT 20
Legal Subdivision	33205
Legal Tract	33205
Legal Block	2
Legal Lot Number	20
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2011
Census Tract	403325

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 Individual Names on Record
Mailing Address	21619 HIGH BLUFF RD, DIAMOND BAR, CA 91765-3835
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 30, 2017	Deed of Trust, Mortgage · Conventional Mortgage PLATINUM HOME MORTGAGE CORP
Dec 28, 2018	Deed of Trust, Mortgage · Line of Credit NAVY FCU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 7, 2003 · Amount on Record
Deed Sale	Apr 7, 2003 · Amount on Record
Prior Sale	Mar 13, 1998 · Amount on Record
Deed Document Number	2003970637
Prior Transfer Date	Feb 13, 2003
Prior Transfer Doc	0000970636
Record Updated	Sep 20, 2026

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21619 HIGH BLUFF RD, DIAMOND BAR, CA 91765-3835
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000590647
Date	May 30, 2017
Instrument	17-0590647

Lender

Name	PLATINUM HOME MORTGAGE CORP
Type	Mortgage Company
Address	ROLLING MEADOWS, IL 60008

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2047

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21619 HIGH BLUFF RD, DIAMOND BAR, CA 91765-3835
Document Number	0000074301
Instrument Date	Dec 28, 2018
Transaction Type	Mortgage
Record Updated	Jan 31, 2019
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21619 HIGH BLUFF RD DIAMOND BAR CA 917653835, DIAMOND BAR, CA 91765-3835

Mortgage

Document Number	0000074301
Date	Jan 25, 2019
Instrument	74301

Lender

Name	NAVY FCU
Type	Credit Union
Address	VIENNA, VA 22180

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	480 Months
Due	Jan 24, 2059

Interest

Rate Type	Adjustable Rate

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	$9,487.00 (+9.44%)	$709,661 (+4.04%) Land $393,935 Building $315,726
2023	$8,669.00 (+2.69%)	$682,106 Land $378,639 Building $303,467
2022	$8,442.00

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	Moderate above 63% of the US · lower than 61% of California
Wildfire Likelihood	0.2% 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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