939 Summitridge Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 939 Summitridge Dr, Diamond Bar, CA 91765 · Last verified June 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,155 sqft · built 1988
Lot Size	0.201 acres (8,745 sqft)
Owner	2 Company Names on File
Last Sale	$745,000 (Jan 2006)
Tax Bill	$14,945 (2025)
Deeds & Mortgages	Sep 2022 Line of Credit Oct 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8701-043-006`

Property Details

APN / Parcel Number

Primary APN	`8701-043-006`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	2,155 sqft Living Area

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Construction Type	Wood
Lot Area	8,745 sqft (0.201 acres)
Lot Dimensions	115 ft deep x 76 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	939 SUMMITRIDGE DR
City	DIAMOND BAR
State	CA
Zip	91765-4384
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TR=42574 LOT 3
Legal Subdivision	42574
Legal Tract	42574
Legal Block	1
Legal Lot Number	3
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1012
Census Tract	403320

Owner

Source: Los Angeles County records · APN 8701-043-006

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	2 Company Names on File
Mailing Address	939 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4384
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Date	Document
Sep 30, 2022	Deed of Trust, Mortgage · Line of Credit US BANK NA
Oct 29, 2020	Deed of Trust, Mortgage · Conventional Mortgage NATIONSTAR MORTGAGE LLC

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 09, 2006 · Amount on Record
Deed Sale	Jan 09, 2006 · Amount on Record
Prior Sale	Jan 27, 2003 · Amount on Record
Deed Document Number	200643865
Last Transfer Date	Jul 04, 2025
Transfer Doc	0000461715
Record Updated	Sep 20, 2026

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	939 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4384
Transaction Type	Mortgage
Record Updated	Oct 11, 2022
Title Company	RADIAN SETTLEMENT SVCS INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	939 SUMIVIITRIDGE DR, DIAMOND BAR, CA 91765

Mortgage

Document Number	0000954103
Date	Sep 30, 2022
Instrument	22-0954103

Lender

Name	US BANK NA
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Sep 26, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	939 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4384
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	939 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4384

Mortgage

Document Number	0001359977
Date	Oct 29, 2020
Instrument	20-1359977

Lender

Name	NATIONSTAR MORTGAGE LLC
Type	Mortgage Company
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2050

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	Pomona 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	$14,945.00 (+10.89%) Homeowner's exemption	$1,083,883 (+10.76%) Land $645,020 Building $438,863
2023	$13,477.00 (+7.68%) Homeowner's exemption	$978,557 Land $619,974 Building $358,583
2022	$12,516.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No

Wildfire

Wildfire Risk	Moderate above 47% of the US · above 28% of California
Wildfire Likelihood	About 1 in 1,031 per year
Exposure	Indirect within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 414 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Spectrum	Cable	1,000 / 1,000
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

Nearby Properties on Summitridge Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures