540 Topside Pl, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 540 Topside Pl, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 1,545 sqft · built 1988
Lot Size	0.383 acres (16,672 sqft)
Owner	2 Individual Names on Record
Last Sale	$699,000 (Dec 2018)
Tax Bill	$10,706 (2025)
Deeds & Mortgages	Feb 2021 Mortgage Jul 2017 Line of Credit + 4 more
Flood Zone	Zone X (minimal risk)
APN	`8281-047-027`

Property Details

APN / Parcel Number

Primary APN	`8281-047-027`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Building Area	1,545 sqft Living Area

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Construction Type	Wood
Lot Area	16,672 sqft (0.383 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	540 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 77
Legal Subdivision	36813
Legal Tract	36813
Legal Block	1
Legal Lot Number	77
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	2 Individual Names on Record
Mailing Address	540 TOPSIDE PL, DIAMOND BAR, CA 91765-1878
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 9, 2021	Deed of Trust, Mortgage · VA Mortgage ACG FUNDING INC
Jul 17, 2017	Deed of Trust, Mortgage · Line of Credit US BANK NA
Oct 25, 2019	Deed of Trust, Mortgage · VA Mortgage ACG FUNDING INC
Dec 7, 2018	Grant Deed, Transfer · VA Mortgage VETERANS UNITED HM LNS
Jul 10, 2017	Quit Claim Deed, Transfer OTHER
Apr 26, 2017	Intrafamily Transfer, Transfer · ARM US BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 7, 2018 · Amount on Record
Deed Sale	Dec 7, 2018 · Amount on Record
Deed Document Number	20181237484
Prior Transfer Date	Apr 18, 2017
Prior Transfer Doc	0000764535
Record Updated	Sep 20, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	540 TOPSIDE PL, DIAMOND BAR, CA 91765-1878
Transaction Type	Mortgage
Record Updated	Feb 17, 2021
Title Company	CLEARMARK TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	540 TOPSIDE PL, DIAMOND BAR, CA 91765-1878

Mortgage

Document Number	0000228050
Date	Feb 9, 2021
Instrument	21-0228050

Lender

Name	ACG FUNDING INC
Type	Mortgage Company
Address	ROWLAND HEIGHTS, CA 91748

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2051

July 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	540 TOPSIDE PL, DIAMOND BAR, CA 91765-1878
Transaction Type	Mortgage
Record Updated	Feb 7, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000792664
Date	Jul 17, 2017
Instrument	17-0792664

Lender

Name	US BANK NA
Type	Bank
Address	OSHKOSH, WI 54902

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	359 Months
Due	Jun 20, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	540 TOPSIDE PL, DIAMOND BAR, CA 91765-1878
Document Number	0001182864
Instrument Date	Oct 25, 2019
Transaction Type	Mortgage
Record Updated	Nov 12, 2019
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	540 TOPSIDE PL DIAMOND BAR CA 917651878, DIAMOND BAR, CA 91765-1878

Mortgage

Document Number	0001182864
Date	Nov 1, 2019
Instrument	1182864

Lender

Name	ACG FUNDING INC
Type	Bank
Address	17590 COLIMA RD, ROWLAND HEIGHTS, CA 91748-1752

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Oct 31, 2049

December 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Dec 7, 2018
Property Address	540 TOPSIDE PL, DIAMOND BAR, CA 91765-1878
Document Number	0001237484
Instrument Date	Nov 19, 2018
Instrument	1237484
Transaction Type	Transfer
Record Updated	Dec 14, 2018
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NAT'L TITLE ORANGE CN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$768.90
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	540 TOPSIDE PL DIAMOND BAR CA 917651878, DIAMOND BAR, CA 91765-1878

Mortgage

Document Number	1237485
Date	Dec 7, 2018
Instrument	1237485

Lender

Name	VETERANS UNITED HM LNS
Type	Funding / Finance Company
Address	COLUMBIA, MO 65203

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 6, 2048

July 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 10, 2017
Property Address	540 TOPSIDE PL, DIAMOND BAR, CA 91765-1878
Document Number	0000764535
Instrument Date	Apr 18, 2017
Instrument	764535
Transaction Type	Transfer
Record Updated	Jul 14, 2017
Title Company	OTHER

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	540 TOPSIDE PL DIAMOND BAR CA 917651878, DIAMOND BAR, CA 91765-1878

April 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 26, 2017
Property Address	540 TOPSIDE PL, DIAMOND BAR, CA 91765-1878
Document Number	0000458815
Map Reference	MB1033 PG33-44
Instrument Date	Feb 12, 2017
Instrument	17-0458815
Transaction Type	Transfer
Record Updated	Sep 22, 2021

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	540 TOPSIDE PL, DIAMOND BAR, CA 91765-1878

Mortgage

Document Number	0000458816
Date	Apr 26, 2017
Instrument	17-0458816

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.25%
Adjustable	Adjustable Rate Rider
Type Change Date	May 1, 2022
Change Frequency	Annually
Min Rate At Change	2.75%
Max Rate At Change	5.25%
Index	1-Year CMT
Max Rate	8.25%

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	$10,706.00 (+11.98%) Homeowner's exemption	$779,743 (+4.04%) Land $618,441 Building $161,302
2023	$9,561.00 (+2.09%) Homeowner's exemption	$749,467 Land $594,427 Building $155,040
2022	$9,365.00

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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