20445 Flintgate Dr, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20445 Flintgate Dr, Diamond Bar, CA 91789

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,654 sqft · built 1966
Lot Size	0.146 acres (6,378 sqft)
Owner	2 Company Names on Record
Last Sale	$830,000 (Aug 2023)
Tax Bill	$10,726 (2025)
Deeds & Mortgages	Oct 2025 Mortgage Aug 2023 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8762-034-012`

Property Details

APN / Parcel Number

Primary APN	`8762-034-012`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,654 sqft Living Area

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Construction Type	Wood
Lot Area	6,378 sqft (0.146 acres)

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	20445 FLINTGATE DR
City	WALNUT
State	CA
Zip	91789-3733
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCRA06
Legal Description	TRACT NO 25391 LOT 29
Legal Subdivision	25391
Legal Tract	25391
Legal Block	1
Legal Lot Number	29
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	20445 FLINTGATE DR, WALNUT, CA 91789-3733
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 6, 2025	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA
Aug 24, 2023	Grant Deed, Transfer · Conventional Mortgage GOOGAIN INC
Aug 24, 2023	Affidavit of Death of Trustee, Transfer FIDELITY NATIONAL TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 24, 2023 · Amount on Record
Deed Sale	Aug 24, 2023 · Amount on Record
Deed Document Number	2023563804
Record Updated	Oct 29, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	20445 FLINTGATE DR, DIAMOND BAR, CA 91789-3733
Transaction Type	Mortgage
Record Updated	Oct 16, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20445 FLINTGATE DR, WALNUT, CA 91789-3733

Mortgage

Document Number	0000686904
Date	Oct 6, 2025
Instrument	25-0686904

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Oct 1, 2040

August 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 24, 2023
Property Address	20445 FLINTGATE DR, DIAMOND BAR, CA 91789-3733
Document Number	0000563804
Map Reference	MB 731 PG 93-96
Instrument Date	Aug 4, 2023
Instrument	23-0563804
Transaction Type	Transfer
Record Updated	Aug 31, 2023
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	20445 FLINTGATE DR, DIAMOND BAR, CA 91789-3733

Mortgage

Document Number	0000563805
Date	Aug 24, 2023
Instrument	23-0563805

Lender

Name	GOOGAIN INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2053

August 2023: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 24, 2023
Property Address	20445 FLINTGATE DR, DIAMOND BAR, CA 91789-3733
Document Number	0000563803
Map Reference	MB 731 PG 93-96
Instrument Date	Aug 4, 2023
Instrument	23-0563803
Transaction Type	Transfer
Record Updated	Aug 31, 2023
Title Company	FIDELITY NATIONAL TITLE

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	4107 OLD LIGHT CIR, ARRINGTON, TN 37014-8903

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		$863,531 (+2%) Land $690,825 Building $172,706
2025	$10,726.00 (+249.95%)	$846,600 (+303.12%) Land $677,280 Building $169,320
2023	$3,065.00 (+2.13%)	$210,010 Land $65,624 Building $144,386
2022	$3,001.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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.

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