20489 Flintgate Dr, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20489 Flintgate Dr, Diamond Bar, CA 91789

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,714 sqft · built 1966
Lot Size	0.142 acres (6,188 sqft)
Owner	2 Company Names on Record
Last Sale	$435,000 (Jun 2008)
Tax Bill	$7,484 (2025)
Deeds & Mortgages	Jul 2022 Line of Credit Nov 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8762-034-028`

Property Details

APN / Parcel Number

Primary APN	`8762-034-028`
Alternative APN	`8762034005`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	1,714 sqft Living Area

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Construction Type	Wood
Lot Area	6,188 sqft (0.142 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	20489 FLINTGATE DR
City	WALNUT
State	CA
Zip	91789-3733
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCRA6000*
Legal Description	TR=25391 EX ST LOT 22
Legal Subdivision	25391
Legal Tract	25391
Legal Block	1
Legal Lot Number	22
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1020
Census Tract	403326

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	201 FLYNN RD, CAMARILLO, CA 93012-8058
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Jul 18, 2022	Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST
Nov 17, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage HOMETOWN EQUITY MORTGAGE
Feb 9, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 2, 2008 · Amount on Record
Deed Sale	Jun 2, 2008 · Amount on Record
Deed Document Number	2008963135
Prior Transfer Date	Jan 31, 1996
Prior Transfer Doc	0000523803
Record Updated	Oct 29, 2026

July 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	20489 FLINTGATE DR, DIAMOND BAR, CA 91789-3733
Transaction Type	Mortgage
Record Updated	Jul 29, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20489 FLINTGATE DR, DIAMOND BAR, CA 91789-3733

Mortgage

Document Number	0000733385
Date	Jul 18, 2022
Instrument	22-0733385

Lender

Name	BANK OF THE WEST
Type	Bank
Address	OMAHA, NE 68154

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 17, 2021
Property Address	20489 FLINTGATE DR, DIAMOND BAR, CA 91789-3733
Document Number	0001707122
Map Reference	MB 731 PG 93-96
Instrument Date	Nov 9, 2021
Instrument	21-1707122
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	TICOR TTL ORANGE CNTY BRANCH

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	20489 FLINTGATE DR, DIAMOND BAR, CA 91789-3733

Mortgage

Document Number	0001707123
Date	Nov 17, 2021
Instrument	21-1707123

Lender

Name	HOMETOWN EQUITY MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2051

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Feb 9, 2021
Property Address	20489 FLINTGATE DR, DIAMOND BAR, CA 91789-3733
Document Number	0000229295
Map Reference	MB 731 PG 93-96
Instrument Date	Feb 4, 2021
Instrument	21-0229295
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	20489 FLINTGATE DR, DIAMOND BAR, CA 91789-3733

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		$582,091 (+2%) Land $365,859 Building $216,232
2025	$7,484.00 (+8.29%)	$570,679 (+4.04%) Land $358,686 Building $211,993
2023	$6,911.00 (+2.13%)	$548,520 Land $344,758 Building $203,762
2022	$6,767.00

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	Not rated no burnable land 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	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 104 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Starlink Satellite	280 / 30
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Frontier, GeoLinks, Verizon.

Nearby Properties on Flintgate Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures