1441 Copper Mountain Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1441 Copper Mountain Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,712 sqft · built 1978
Lot Size	0.154 acres (6,693 sqft)
Owner	2 Individual Names on Record
Last Sale	$950,000 (Sep 2021)
Tax Bill	$12,615 (2025)
Deeds & Mortgages	Sep 2021 Sale & Mortgage May 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`8702-014-045`

Property Details

APN / Parcel Number

Primary APN	`8702-014-045`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Building Area	1,712 sqft Living Area

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1978
Construction Type	Wood
Lot Area	6,693 sqft (0.154 acres)
Lot Dimensions	111 ft deep x 60 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1441 COPPER MOUNTAIN DR
City	DIAMOND BAR
State	CA
Zip	91765-2612
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	*TR=25096 LOT 205
Legal Subdivision	25096
Legal Tract	25096
Legal Block	3
Legal Lot Number	205
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3012
Census Tract	403324

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 Individual Names on Record
Mailing Address	1441 COPPER MOUNTAIN DR, DIAMOND BAR, CA 91765-2612
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 23, 2021	Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA
May 11, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage OWNING CORPORATION
Mar 31, 2017	Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE INSURANCE COMPANY
Mar 31, 2017	Quit Claim Deed, Transfer · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 23, 2021 · Amount on Record
Deed Sale	Sep 23, 2021 · Amount on Record
Deed Document Number	20211453329
Prior Transfer Date	Apr 5, 2020
Prior Transfer Doc	0000512037
Record Updated	Oct 29, 2026

September 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 23, 2021
Property Address	1441 COPPER MOUNTAIN DR, DIAMOND BAR, CA 91765-2612
Document Number	0001453329
Map Reference	MB 868 PG 43-54
Instrument Date	Sep 1, 2021
Instrument	21-1453329
Transaction Type	Transfer
Record Updated	Sep 30, 2021
Title Company	LAWYERS 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	1441 COPPER MOUNTAIN DR, DIAMOND BAR, CA 91765-2612

Mortgage

Document Number	0001453330
Date	Sep 23, 2021
Instrument	21-1453330

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2051

May 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	May 11, 2020
Property Address	1441 COPPER MOUNTAIN DR, DIAMOND BAR, CA 91765-2612
Document Number	0000512037
Map Reference	MB 868 PG 43-54
Instrument Date	Apr 5, 2020
Instrument	20-0512037
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	ORANGE COAST TITLE COMPANY

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	Community Property with Right of Survivorship
Address	1441 COPPER MOUNTAIN DR, DIAMOND BAR, CA 91765-2612

Mortgage

Document Number	0000512038
Date	May 11, 2020
Instrument	20-0512038

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2050

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 31, 2017
Property Address	1441 COPPER MOUNTAIN DR, DIAMOND BAR, CA 91765-2612
Document Number	0000360462
Instrument Date	Mar 23, 2017
Instrument	360462
Transaction Type	Transfer
Record Updated	Apr 19, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE INSURANCE COMPANY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	1441 COPPER MOUNTAIN DR DIAMOND BAR CA 917652612, DIAMOND BAR, CA 91765-2612

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 31, 2017
Property Address	1441 COPPER MOUNTAIN DR, DIAMOND BAR, CA 91765-2612
Document Number	0000360460
Instrument Date	Mar 23, 2017
Instrument	360460
Transaction Type	Transfer
Record Updated	Apr 19, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE INSURANCE COMPANY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	1441 COPPER MOUNTAIN DR DIAMOND BAR CA 917652612, DIAMOND BAR, CA 91765-2612

Mortgage

Document Number	360461
Date	Mar 31, 2017
Instrument	360461

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 30, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.62%

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		$1,028,307 (+2%) Land $721,980 Building $306,327
2025	$12,615.00 (+7.02%)	$1,008,145 (+4.04%) Land $707,824 Building $300,321
2023	$11,788.00 (+2.11%)	$969,000 Land $680,340 Building $288,660
2022	$11,544.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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 501 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks, T-Mobile, Verizon.

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