23442 Robinbrook Pl, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23442 Robinbrook Pl, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,252 sqft · built 1976
Lot Size	0.153 acres (6,684 sqft)
Owner	Individual Name on File
Last Sale	$323,000 (Oct 2000)
Tax Bill	$6,484 (2025)
Deeds & Mortgages	May 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`8702-005-051`

Property Details

APN / Parcel Number

Primary APN	`8702-005-051`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	2,252 sqft Living Area

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1976
Construction Type	Wood
Lot Area	6,684 sqft (0.153 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	23442 ROBINBROOK PL
City	DIAMOND BAR
State	CA
Zip	91765-2634
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	TRACT NO 31063 LOT 20
Legal Subdivision	31063
Legal Tract	31063
Legal Block	3
Legal Lot Number	20
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3007
Census Tract	403324

Owner

Source: Los Angeles County records · APN 8702-005-051

Assessment roll updated May 21, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on File
Mailing Address	23442 ROBINBROOK PL, DIAMOND BAR, CA 91765-2634
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 26, 2000 · Amount on Record
Deed Sale	Oct 26, 2000 · Amount on Record
Deed Document Number	20001676203
Prior Transfer Date	Sep 20, 2000
Prior Transfer Doc	0001676202
Record Updated	Sep 20, 2026

May 2023: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	LOS ANGELES CA
Recording Date	May 23, 2023
Property Address	23442 ROBINBROOK PL, DIAMOND BAR, CA 91765-2634
Document Number	0000334785
Map Reference	MB 857 PG 66-68
Instrument Date	May 11, 2023
Instrument	23-0334785
Transaction Type	Transfer
Record Updated	Jun 01, 2023
Title Company	ACCOMODATION, ACCOMMODATION

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	23442 ROBINBROOK PL, DIAMOND BAR, CA 91765-2634

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 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

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

Year	Tax Bill	Assessed Value
2025	$6,484.00 (+8.66%) Homeowner's exemption	$486,683 (+4.04%) Land $208,233 Building $278,450
2023	$5,967.00 (+2.16%) Homeowner's exemption	$467,787 Land $200,148 Building $267,639
2022	$5,841.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 30, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: California Internet, T-Mobile USA, Verizon.

Based on FCC filings for 501 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	WALNUT VALLEY WATER DISTRICT serves 100,941 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.