1333 Sims Pl, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1333 Sims Pl, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,771 sqft · built 1980
Lot Size	0.196 acres (8,531 sqft)
Owner	Individual Name on File
Last Sale	$1,238,000 (Aug 2025)
Tax Bill	$14,728 (2025)
Deeds & Mortgages	Sep 2022 Sale & Mortgage Dec 2019 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`8701-031-009`

Property Details

APN / Parcel Number

Primary APN	`8701-031-009`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,771 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	8,531 sqft (0.196 acres)
Lot Dimensions	123 ft deep x 68 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1333 SIMS PL
City	DIAMOND BAR
State	CA
Zip	91765-2373
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	*TR=35026 LOT 76
Legal Subdivision	35026
Legal Tract	35026
Legal Block	1
Legal Lot Number	76
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1006
Census Tract	403320

Owner

1333 Sims Pl is owned and occupied by an individual who bought it in August 2025.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Individual Name on File
Mailing Address	1333 SIMS PL, DIAMOND BAR, CA 91765-2373
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Unmarried Man

Deeds, Mortgages & Sale History

Date	Document
Sep 21, 2022	Grant Deed, Transfer · Conventional Mortgage NMSI INC
Dec 4, 2019	Deed of Trust, Mortgage · Conventional Mortgage TOP WORLD INVESTMENT INC
Apr 25, 2019	Deed of Trust, Mortgage · Conventional Mortgage TOP WORLD INVESTMENT INC
Oct 21, 2020	Deed of Trust, Mortgage · Conventional Mortgage TOP WORLD INVESTMENT INC TOP WORLD INVESTMENT INC
Mar 31, 2017	Quit Claim Deed, Transfer OTHER

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 27, 2025 · Amount on File
Deed Sale	Aug 27, 2025 · Amount on File
Prior Sale	Sep 21, 2022 · Amount on File
Deed Document Number	2025581479
Prior Transfer Date	Mar 21, 2017
Prior Transfer Doc	0000360618
Record Updated	Oct 29, 2026

September 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 21, 2022
Property Address	1333 SIMS PL, DIAMOND BAR, CA 91765-2373
Document Number	0000922983
Map Reference	MB 919 PG 31-37
Instrument Date	Sep 9, 2022
Instrument	22-0922983
Transaction Type	Transfer
Record Updated	Sep 29, 2022
Title Company	CALIFORNIA BEST TITLE CO, CALIFORNIA BEST TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	1333 SIMS PL, DIAMOND BAR, CA 91765-2373

Mortgage

Document Number	0000922984
Date	Sep 21, 2022
Instrument	22-0922984

Lender

Name	NMSI INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	7.62%
Type Change Date	Oct 1, 2029
Change Frequency	6 Months
Min Rate At Change	4%
Max Rate At Change	12.6%
Index	Other
Margin	4
Max Rate	12.6%

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1333 SIMS PL, DIAMOND BAR, CA 91765-2373
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	CHICAGO TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0001331695
Date	Dec 4, 2019
Instrument	19-1331695

Lender

Name	TOP WORLD INVESTMENT INC
Type	Non-Lending Institution
Address	ROWLAND HEIGHTS, CA 91748

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 1, 2049

April 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1333 SIMS PL, DIAMOND BAR, CA 91765-2373
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	WFG NATIONAL TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000371972
Date	Apr 25, 2019
Instrument	19-0371972

Lender

Name	TOP WORLD INVESTMENT INC
Type	Non-Lending Institution
Address	ROWLAND HEIGHTS, CA 91748

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2049

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1333 SIMS PL, DIAMOND BAR, CA 91765-2373
Document Number	0001405693
Instrument Date	Oct 21, 2020
Transaction Type	Mortgage
Record Updated	Nov 12, 2020
Title Company	WESTMINSTER TITLE AGENCY INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	1333 SIMS PL DIAMOND BAR CA 917652373, DIAMOND BAR, CA 91765-2373

Mortgage

Document Number	0001405693
Date	Nov 5, 2020
Instrument	1405693

Lender

Name	TOP WORLD INVESTMENT INC TOP WORLD INVESTMENT INC
Type	Bank
Address	CITY OF INDUSTRY, CA 91748

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 4, 2050

March 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 31, 2017
Property Address	1333 SIMS PL, DIAMOND BAR, CA 91765-2373
Document Number	0000360618
Instrument Date	Mar 21, 2017
Instrument	360618
Transaction Type	Transfer
Record Updated	Apr 7, 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	Joint Tenants with Right of Survivorship
Address	1333 SIMS PL DIAMOND BAR CA 917652373, DIAMOND BAR, CA 91765-2373

Tax Assessment & Valuation

The 2025 property tax bill for 1333 Sims Pl was $14,728.

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	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,238,000 (+4.56%) Land $982,400 Building $255,600
2025	$14,728.00	$1,183,974 Land $761,988 Building $421,986
2023	$13,766.00 (+40.92%)	$1,138,000 Land $732,400 Building $405,600
2022	$9,769.00

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

Flood

FEMA maps place 1333 Sims Pl 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

Wildfire risk around 1333 Sims Pl is moderate, ranking above 63% of the US, with a 0.1% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 63% of the US · lower than 61% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Direct burnable vegetation

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 344 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: AT&T, GeoLinks, T-Mobile, Verizon.

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