1606 Summitridge Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1606 Summitridge Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,303 sqft · built 1986
Lot Size	0.167 acres (7,284 sqft)
Owner	2 Company Names on Record
Last Sale	$630,000 (Jun 2011)
Tax Bill	$10,938 (2025)
Deeds & Mortgages	Jun 2026 Mortgage Jan 2020 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8713-047-022`

Property Details

APN / Parcel Number

Primary APN	`8713-047-022`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,303 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Tile
Lot Area	7,284 sqft (0.167 acres)
Lot Dimensions	115 ft deep x 63 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1606 SUMMITRIDGE DR
City	DIAMOND BAR
State	CA
Zip	91765-4335
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCRPD20000
Legal Description	TR=42559 LOT 22
Legal Subdivision	42559
Legal Tract	42559
Legal Block	3
Legal Lot Number	22
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3002
Census Tract	403324

Owner

Source: Los Angeles County records, as of August 25, 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 Record
Mailing Address	1142 S DIAMOND BAR BLVD, DIAMOND BAR, CA 91765-2203
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jun 10, 2026	Deed of Trust, Mortgage · Conventional Mortgage UNLOCK PARTNERSHIP SOLUTIONS INC
Jan 22, 2020	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA
Apr 3, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 29, 2011 · Amount on Record
Deed Sale	Jun 29, 2011 · Amount on Record
Prior Sale	May 8, 1998 · Amount on Record
Deed Document Number	2011882097
Last Transfer Date	Mar 21, 2017
Transfer Doc	0000366070
Record Updated	Oct 29, 2026

June 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Recording Date	Jun 10, 2026
Property Address	1606 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4335
Document Number	0000425338
Instrument Date	Jun 3, 2026
Instrument	2026425338
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust, 212
Address	1606 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4335

Mortgage

Document Number	0000425338,
Date	Jun 10, 2026
Instrument	2026425338

Lender

Name	UNLOCK PARTNERSHIP SOLUTIONS INC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months

Interest

Rate	6.37%
Max Rate	-1%

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1606 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4335
Document Number	0000127802
Instrument Date	Jan 22, 2020
Transaction Type	Mortgage
Record Updated	Feb 12, 2020
Title Company	WFG LENDER SERVICES, WFG LENDER SVCS

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1142 S DIAMOND BAR BLVD #460 DIAMOND BAR CA 917652203, 460, DIAMOND BAR, CA 91765-2203

Mortgage

Document Number	0000127802
Date	Jan 31, 2020
Instrument	127802

Lender

Name	BANK OF AMERICA
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

April 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 3, 2017
Property Address	1606 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4335
Document Number	0000366070
Instrument Date	Mar 21, 2017
Instrument	366070
Transaction Type	Transfer
Record Updated	Apr 10, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	1142 S DIAMOND BAR BLVD #460 DIAMOND BAR CA 917652203, 460, DIAMOND BAR, CA 91765-2203

Tax Assessment & Valuation

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		$823,269 (+2%) Land $358,186 Building $465,083
2025	$10,938.00 (+7.39%)	$807,127 (+4.04%) Land $351,163 Building $455,964
2023	$10,185.00 (+2.25%)	$775,787 Land $337,528 Building $438,259
2022	$9,961.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

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

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.

Wildfire

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.03% annual chance
Exposure	None beyond ember reach

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

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 50
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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