534 Topside Pl, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 534 Topside Pl, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,379 sqft · built 1988
Lot Size	0.367 acres (15,988 sqft)
Owner	Individual Name on Record
Last Sale	$457,000 (Mar 2004)
Tax Bill	$9,021 (2025)
Deeds & Mortgages	Oct 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8281-047-026`

Property Details

APN / Parcel Number

Primary APN	`8281-047-026`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,379 sqft Living Area

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Construction Type	Wood
Lot Area	15,988 sqft (0.367 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	534 TOPSIDE PL
City	DIAMOND BAR
State	CA
Zip	91765-1878
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR115000-
Legal Description	TR=36813 LOT 76
Legal Subdivision	36813
Legal Tract	36813
Legal Block	1
Legal Lot Number	76
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1000
Census Tract	403321

Owner

Source: Los Angeles County records, as of May 21, 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 Record
Mailing Address	534 TOPSIDE PL, DIAMOND BAR, CA 91765-1878
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 16, 2004 · Amount on Record
Deed Sale	Mar 16, 2004 · Amount on Record
Prior Sale	Sep 25, 2003 · Amount on Record
Deed Document Number	2004620522
Last Transfer Date	Sep 26, 2016
Transfer Doc	0001205658
Record Updated	Sep 20, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	534 TOPSIDE PL, DIAMOND BAR, CA 91765-1878
Transaction Type	Mortgage
Record Updated	Nov 2, 2021
Title Company	ORANGE COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	534 TOPSIDE PL, DIAMOND BAR, CA 91765-1878

Mortgage

Document Number	0001605468
Date	Oct 26, 2021
Instrument	21-1605468

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	345 Months
Due	Jul 1, 2050

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of May 21, 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
2025	$9,021.00 (+11.83%) Homeowner's exemption	$649,737 (+4.04%) Land $500,177 Building $149,560
2023	$8,067.00 (+2.2%) Homeowner's exemption	$624,508 Land $480,755 Building $143,753
2022	$7,893.00

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

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	Moderate above 57% of the US · lower than 66% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 487 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks.

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