1280 Glenthorpe Dr, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 1280 Glenthorpe Dr, Diamond Bar, CA 91789

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,468 sqft · built 1979
Lot Size	0.18 acres (7,852 sqft)
Owner	Individual Name on File
Last Sale	$880,000 (Oct 2023)
Tax Bill	$11,282 (2025)
Deeds & Mortgages	Feb 2026 Mortgage Oct 2023 Sale + 2 more
Flood Zone	Zone X (minimal risk)
APN	`8763-009-009`

Property Details

APN / Parcel Number

Primary APN	`8763-009-009`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,468 sqft Living Area

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1979
Construction Type	Wood
Lot Area	7,852 sqft (0.18 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1280 GLENTHORPE DR
City	WALNUT
State	CA
Zip	91789-3815
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCC2*
Legal Description	*TR=33257 LOT 105
Legal Subdivision	33257
Legal Tract	33257
Legal Block	3
Legal Lot Number	105
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3000
Census Tract	408707

Owner

1280 Glenthorpe Dr is owned and occupied by an individual who bought it in October 2023.

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

Owner of Record	Individual Name on File
Mailing Address	1280 GLENTHORPE DR, WALNUT, CA 91789-3815
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Woman

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
Feb 10, 2026	Intrafamily Transfer, Transfer · Conventional Mortgage AITON CAPITAL INC
Oct 17, 2023	Grant Deed, Transfer ORANGE COAST TITLE COMPANY, ORANGE COAST TITLE CO
Nov 6, 2020	Deed of Trust, Mortgage · Conventional Mortgage DIVINE MTG CAP
Sep 17, 2018	Deed of Trust, Mortgage · Conventional Mortgage BANK OF THE WEST

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 17, 2023 · Amount on File
Deed Sale	Oct 17, 2023 · Amount on File
Prior Sale	Jun 9, 2009 · Amount on File
Deed Document Number	2023706356
Prior Transfer Date	Dec 15, 1997
Prior Transfer Doc	0001978070
Record Updated	Oct 29, 2026

February 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Feb 10, 2026
Property Address	1280 GLENTHORPE DR, DIAMOND BAR, CA 91789-3815
Document Number	0000096282
Map Reference	MB 918 PG 91-99
Instrument Date	Jan 30, 2026
Instrument	26-0096282
Transaction Type	Transfer
Record Updated	Feb 20, 2026
Title Company	WESTERN RESOURCES TITLE, WESTERN RESOURCES TITLE CO

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
Address	1280 GLENTHORPE DR, DIAMOND BAR, CA 91789-3815

Mortgage

Document Number	0000096283
Date	Feb 10, 2026
Instrument	26-0096283

Lender

Name	AITON CAPITAL INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Feb 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	6.37%
Type Change Date	Feb 1, 2031
Change Frequency	6 Months
Min Rate At Change	5%
Max Rate At Change	8.37%
Index	SOFR Average 30-Day
Margin	5
Max Rate	11.3%

October 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Oct 17, 2023
Property Address	1280 GLENTHORPE DR, DIAMOND BAR, CA 91789-3815
Document Number	0000706356
Map Reference	MB 918 PG 91-99
Instrument Date	Sep 21, 2023
Instrument	23-0706356
Transaction Type	Transfer
Record Updated	Oct 24, 2023
Title Company	ORANGE COAST TITLE COMPANY, ORANGE COAST TITLE CO

Transaction

Amount	Amount 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
Address	1280 GLENTHORPE DR, DIAMOND BAR, CA 91789-3815

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1280 GLENTHORPE DR, DIAMOND BAR, CA 91789-3815
Document Number	0001457223
Instrument Date	Nov 6, 2020
Transaction Type	Mortgage
Record Updated	Nov 19, 2020
Title Company	WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	919 E LESLIE DR SAN GABRIEL CA 917752424, SAN GABRIEL, CA 91775-2424

Mortgage

Document Number	0001457223
Date	Nov 16, 2020
Instrument	1457223

Lender

Name	DIVINE MTG CAP
Address	CITY OF INDUSTRY, CA 91748

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 15, 2050

September 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1280 GLENTHORPE DR, DIAMOND BAR, CA 91789-3815
Document Number	0001181891
Instrument Date	Sep 17, 2018
Transaction Type	Mortgage
Record Updated	Nov 29, 2018
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 340 SAN GABRIEL CA 917780340, SAN GABRIEL, CA 91778-0340

Mortgage

Document Number	0001181891
Date	Nov 26, 2018
Instrument	1181891

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 25, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 1280 Glenthorpe Dr was $11,282.

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		$915,551 (+2%) Land $682,086 Building $233,465
2025	$11,282.00	$897,600 Land $668,712 Building $228,888
2023	$6,798.00 (+2.15%) Homeowner's exemption	$544,598 Land $405,235 Building $139,363
2022	$6,655.00

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

Flood

FEMA maps place 1280 Glenthorpe 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 1280 Glenthorpe 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 286 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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