20325 Flintgate Dr, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20325 Flintgate Dr, Diamond Bar, CA 91789

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,205 sqft · built 1969
Lot Size	0.208 acres (9,066 sqft)
Owner	2 Company Names on File
Last Sale	$146,000 (Oct 1996)
Tax Bill	$3,486 (2025)
Deeds & Mortgages	Mar 2023 Transfer Feb 2023 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8762-030-035`

Property Details

APN / Parcel Number

Primary APN	`8762-030-035`
Alternative APN	`8762030028`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Stories	1 Story
Building Area	1,205 sqft Living Area

Exterior

Year Built	Built 1969
Effective Year Built	Effective 1969
Construction Type	Wood
Lot Area	9,066 sqft (0.208 acres)

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	20325 FLINTGATE DR
City	WALNUT
State	CA
Zip	91789-3731
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18500*
Legal Description	TR=28258 EX OF ST LOT 73
Legal Subdivision	28258
Legal Tract	28258
Legal Block	1
Legal Lot Number	73
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1020
Census Tract	403326

Owner

20325 Flintgate Dr is owned by a company that acquired it in December 2022.

Source: Los Angeles County records, as of August 25, 2026

Owner of Record	2 Company Names on File
Mailing Address	20325 FLINTGATE DR, WALNUT, CA 91789-3731
Owner Type	Company
Vesting	Borrower in Default

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Mar 14, 2023	Intrafamily Transfer, Transfer
Feb 21, 2023	Intrafamily Transfer, Transfer
Aug 1, 2022	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 8, 1996 · Amount on File
Deed Sale	Oct 8, 1996 · Amount on File
Deed Document Number	19961646496
Last Transfer Date	Dec 30, 2022
Transfer Doc	0000160783
Record Updated	Oct 29, 2026

March 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 14, 2023
Property Address	20325 FLINTGATE DR, DIAMOND BAR, CA 91789-3731
Document Number	0000160783
Map Reference	MB 774 PG 22-25
Instrument Date	Dec 30, 2022
Instrument	23-0160783
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	Revocable Living Trust
Address	20325 FLINTGATE DR, WALNUT, CA 91789-3731
Investor	Possibly a Property Investor

February 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Feb 21, 2023
Property Address	20325 FLINTGATE DR, DIAMOND BAR, CA 91789-3731
Document Number	0000108656
Map Reference	MB 774 PG 22-25
Instrument Date	Oct 11, 2022
Instrument	23-0108656
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	Revocable Living Trust
Address	20325 FLINTGATE DR, WALNUT, CA 91789-3731

August 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 1, 2022
Property Address	20325 FLINTGATE DR, DIAMOND BAR, CA 91789-3731
Document Number	0000774492
Map Reference	MB 774 PG 22-25
Instrument Date	Jul 29, 2022
Instrument	22-0774492
Transaction Type	Transfer
Record Updated	Aug 17, 2022

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	Tenants in Common
Address	20325 FLINTGATE DR, WALNUT, CA 91789-3731
Investor	Possibly a Property Investor

Tax Assessment & Valuation

The 2025 property tax bill for 20325 Flintgate Dr was $3,486.

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		$239,144 (+2%) Land $99,779 Building $139,365
2025	$3,486.00	$234,456 Land $97,823 Building $136,633
2023	$3,189.00 (+127.79%)	$225,353 Land $94,025 Building $131,328
2022	$1,400.00

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

Flood

FEMA maps place 20325 Flintgate Dr in Zone X, an area of minimal flood risk.

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

The area around 20325 Flintgate Dr has no burnable land within ember reach, so its wildfire risk is not rated.

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.

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