23004 Haddock St, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23004 Haddock St, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,024 sqft · built 1973
Lot Size	0.201 acres (8,755 sqft)
Owner	2 Trust Names on File
Last Sale	$415,000 (Jun 2010)
Tax Bill	$7,480 (2025)
Deeds & Mortgages	Feb 2026 Transfer Jul 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`8718-012-006`

Property Details

APN / Parcel Number

Primary APN	`8718-012-006`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,024 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1977
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	8,755 sqft (0.201 acres)
Lot Dimensions	115 ft deep x 74 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	23004 HADDOCK ST
City	DIAMOND BAR
State	CA
Zip	91765-1224
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	TRACT NO 28134 LOT 57
Legal Subdivision	28134
Legal Tract	28134
Legal Block	2
Legal Lot Number	57
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2001
Census Tract	403327

Owner

23004 Haddock St is held in a trust since June 2010.

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

Owner of Record	2 Trust Names on File
Mailing Address	23004 HADDOCK ST, DIAMOND BAR, CA 91765-1224
Owner Type	Company
Vesting	Trust

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 24, 2026	Intrafamily Transfer, Transfer
Jul 6, 2023	Affidavit of Death of Joint Tenant, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 4, 2010 · Amount on File
Deed Sale	Jun 4, 2010 · Amount on File
Prior Sale	Nov 5, 2009 · Amount on File
Deed Document Number	2010760673
Prior Transfer Date	Jul 25, 1996
Prior Transfer Doc	0001236418
Record Updated	Oct 29, 2026

February 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Feb 24, 2026
Property Address	23004 HADDOCK ST, DIAMOND BAR, CA 91765-1224
Document Number	0000131405
Map Reference	MB 829 PG 89-92
Instrument Date	Jan 9, 2024
Instrument	26-0131405
Transaction Type	Transfer
Record Updated	Mar 6, 2026

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	23004 HADDOCK ST, DIAMOND BAR, CA 91765-1224

July 2023: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 6, 2023
Property Address	23004 HADDOCK ST, DIAMOND BAR, CA 91765-1224
Document Number	0000441077
Map Reference	MB 829 PG 89-92
Instrument Date	May 28, 2023
Instrument	23-0441077
Transaction Type	Transfer
Record Updated	Jul 24, 2023

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	29873 CLEARBROOK CIR APT 145, 145, HAYWARD, CA 94544-6853

Tax Assessment & Valuation

The 2025 property tax bill for 23004 Haddock St was $7,480.

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		$546,391 (+2%) Land $414,339 Building $132,052
2025	$7,480.00 Homeowner's exemption	$535,678 Land $406,215 Building $129,463
2023	$6,725.00 (+1.59%) Homeowner's exemption	$514,879 (+2%) Land $390,442 Building $124,437
2022	$6,620.00 Homeowner's exemption	$504,785 Land $382,787 Building $121,998

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

Flood

FEMA maps place 23004 Haddock St 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 23004 Haddock St 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 414 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
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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