1010 Cogburn Ln, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1010 Cogburn Ln, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,747 sqft · built 1984
Lot Size	0.153 acres (6,659 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,115,000 (Aug 2026)
Tax Bill	$13,535 (2025)
Deeds & Mortgages	Aug 2026 Sale & Mortgage Sep 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8717-029-006`

Property Details

APN / Parcel Number

Primary APN	`8717-029-006`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	1,747 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Tile
Lot Area	6,659 sqft (0.153 acres)
Lot Dimensions	100 ft deep x 66 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1010 COGBURN LN
City	DIAMOND BAR
State	CA
Zip	91765-4107
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR3800025
Legal Description	*TR=37034 LOT 6
Legal Subdivision	37034
Legal Tract	37034
Legal Block	2
Legal Lot Number	6
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2006
Census Tract	403319

Owner

Source: Los Angeles County records, as of September 3, 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	1010 COGBURN LN, DIAMOND BAR, CA 91765-4107
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Aug 27, 2026	Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC
Sep 6, 2017	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 27, 2026 · Amount on Record
Deed Sale	Aug 27, 2026 · Amount on Record
Prior Sale	Nov 19, 2024 · Amount on Record
Deed Document Number	2026641976
Record Updated	Oct 29, 2026

August 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 27, 2026
Property Address	1010 COGBURN LN, DIAMOND BAR, CA 91765-4107
Document Number	0000641976
Instrument Date	Aug 19, 2026
Instrument	2026641976
Transaction Type	Transfer
Record Updated	Sep 3, 2026
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$123,876.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	1010 COGBURN LN, DIAMOND BAR, CA 91765-4107

Mortgage

Document Number	0000641977,
Date	Aug 27, 2026
Instrument	2026641977

Lender

Name	ROCKET MORTGAGE LLC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2056

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1010 COGBURN LN, DIAMOND BAR, CA 91765-4107
Document Number	0001062874
Instrument Date	Sep 6, 2017
Transaction Type	Mortgage
Record Updated	Sep 25, 2017
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	1010 COGBURN LN DIAMOND BAR CA 917654107, DIAMOND BAR, CA 91765-4107

Mortgage

Document Number	0001062874
Date	Sep 18, 2017
Instrument	1062874

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 17, 2047

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		$1,111,800 (+2%) Land $868,020 Building $243,780
2025	$13,535.00 (+152.9%)	$1,090,000 (+164.72%) Land $851,000 Building $239,000
2023	$5,352.00 (+2.14%)	$411,760 Land $246,491 Building $165,269
2022	$5,240.00

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	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 464 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Frontier, GeoLinks.

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