23402 Clayhorn Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23402 Clayhorn Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,334 sqft · built 1974
Lot Size	0.261 acres (11,373 sqft)
Owner	2 Individual Names on File
Tax Bill	$5,162 (2025)
Deeds & Mortgages	Apr 2021 Line of Credit Jul 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8717-019-038`

Property Details

APN / Parcel Number

Primary APN	`8717-019-038`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	13 Rooms
Stories	2 Stories
Building Area	2,334 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1974
Effective Year Built	Effective 1974
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	11,373 sqft (0.261 acres)
Lot Dimensions	130 ft deep x 89 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	23402 CLAYHORN DR
City	DIAMOND BAR
State	CA
Zip	91765-1952
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	TRACT NO 29874 LOT 14
Legal Subdivision	29874
Legal Tract	29874
Legal Block	1
Legal Lot Number	14
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1015
Census Tract	403319

Owner

23402 Clayhorn Dr is owned and occupied by two individuals who acquired it in July 2018.

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

Owner of Record	2 Individual Names on File
Mailing Address	23402 CLAYHORN DR, DIAMOND BAR, CA 91765-1952
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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
Apr 6, 2021	Deed of Trust, Mortgage · Line of Credit WATER & POWER COMMUNITY CU
Jul 12, 2018	Quit Claim Deed, Transfer · Conventional Mortgage WATER & POWER CMNTY CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jul 3, 2018
Transfer Doc	0000694217
Record Updated	Oct 29, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	23402 CLAYHORN DR, DIAMOND BAR, CA 91765-1952
Transaction Type	Mortgage
Record Updated	Apr 13, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	23402 CLAYHORN DR, DIAMOND BAR, CA 91765-1952

Mortgage

Document Number	0000538602
Date	Apr 6, 2021
Instrument	21-0538602

Lender

Name	WATER & POWER COMMUNITY CU
Type	Credit Union
Address	LOS ANGELES, CA 90012

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	295 Months
Due	Nov 25, 2045

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 12, 2018
Property Address	23402 CLAYHORN DR, DIAMOND BAR, CA 91765-1952
Document Number	0000694217
Instrument Date	Jul 3, 2018
Instrument	694217
Transaction Type	Transfer
Record Updated	Jul 17, 2018
Title Company	UNISOURCE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	23402 CLAYHORN DR DIAMOND BAR CA 917651952, DIAMOND BAR, CA 91765-1952

Mortgage

Document Number	694218
Date	Jul 12, 2018
Instrument	694218

Lender

Name	WATER & POWER CMNTY CU
Type	Credit Union
Address	LOS ANGELES, CA 90012

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 11, 2048

Interest

Rate Type	Adjustable Rate
Rate	4.12%

Tax Assessment & Valuation

The 2025 property tax bill for 23402 Clayhorn Dr was $5,162.

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	Pomona Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$343,232 (+2%) Land $128,427 Building $214,805
2025	$5,162.00	$336,503 Land $125,909 Building $210,594
2023	$4,601.00 (+1.59%)	$323,438 Land $121,021 Building $202,417
2022	$4,529.00

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

Flood

FEMA maps place 23402 Clayhorn Dr in Zone X, an area of minimal flood risk.

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

The area around 23402 Clayhorn 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 428 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000

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

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