1029 Cogburn Ln, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1029 Cogburn Ln, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,449 sqft · built 1984
Lot Size	0.15 acres (6,538 sqft)
Owner	Individual Name on File
Last Sale	$987,000 (Jun 2025)
Tax Bill	$5,810 (2025)
Deeds & Mortgages	Jun 2020 Mortgage Nov 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8717-029-044`

Property Details

APN / Parcel Number

Primary APN	`8717-029-044`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,449 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	6,538 sqft (0.15 acres)
Lot Dimensions	94 ft deep x 70 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	1029 COGBURN LN
City	DIAMOND BAR
State	CA
Zip	91765-4108
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR3800025
Legal Description	*TR=37034 LOT 33
Legal Subdivision	37034
Legal Tract	37034
Legal Block	2
Legal Lot Number	33
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2009
Census Tract	403319

Owner

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

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

Owner of Record	Individual Name on File
Mailing Address	19740 E LORENCITA DR, COVINA, CA 91724-3824
Owner Type	Individual
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
Jun 3, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Nov 8, 2018	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 25, 2025 · Amount on File
Deed Sale	Jun 25, 2025 · Amount on File
Prior Sale	Aug 17, 2001 · Amount on File
Deed Document Number	2025422961
Prior Transfer Date	May 1, 2009
Prior Transfer Doc	0000695981
Record Updated	Oct 29, 2026

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1029 COGBURN LN, DIAMOND BAR, CA 91765-4108
Document Number	0000618344
Instrument Date	Jun 3, 2020
Transaction Type	Mortgage
Record Updated	Jun 16, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	1029 COGBURN LN DIAMOND BAR CA 917654108, DIAMOND BAR, CA 91765-4108

Mortgage

Document Number	0000618344
Date	Jun 8, 2020
Instrument	618344

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Jun 7, 2035

November 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1029 COGBURN LN, DIAMOND BAR, CA 91765-4108
Document Number	0001150470
Instrument Date	Nov 8, 2018
Transaction Type	Mortgage
Record Updated	Nov 27, 2018
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	1029 COGBURN LN DIAMOND BAR CA 917654108, DIAMOND BAR, CA 91765-4108

Mortgage

Document Number	0001150470
Date	Nov 15, 2018
Instrument	1150470

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 14, 2048

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		$1,006,740 (+130.24%) Land $750,312 Building $256,428
2025	$5,810.00 (+7.69%) Homeowner's exemption	$437,259 (+4.04%) Land $235,766 Building $201,493
2023	$5,395.00 (+2.16%) Homeowner's exemption	$420,282 Land $226,612 Building $193,670
2022	$5,281.00

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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