1630 Summitridge Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1630 Summitridge Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,203 sqft · built 1986
Lot Size	0.165 acres (7,175 sqft)
Owner	2 Company Names on Record
Last Sale	$685,000 (Dec 2003)
Tax Bill	$12,940 (2025)
Deeds & Mortgages	Mar 2023 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`8713-047-016`

Property Details

APN / Parcel Number

Primary APN	`8713-047-016`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	3,203 sqft Living Area

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Construction Type	Wood
Lot Area	7,175 sqft (0.165 acres)
Lot Dimensions	109 ft deep x 66 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1630 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 16
Legal Subdivision	42559
Legal Tract	42559
Legal Block	3
Legal Lot Number	16
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	1630 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4335
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 24, 2003 · Amount on Record
Deed Sale	Dec 24, 2003 · Amount on Record
Prior Sale	Jan 26, 2001 · Amount on Record
Deed Document Number	20033865013
Last Transfer Date	Sep 5, 2012
Transfer Doc	0001796273
Record Updated	Oct 29, 2026

March 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	1630 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4335
Transaction Type	Mortgage
Record Updated	Mar 15, 2023
Title Company	WFG TITLE COMPANY/CA-SAN DIEGO, WFG TITLE CO OF CA SAN DIEGO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1630 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4335

Mortgage

Document Number	0000142532
Date	Mar 7, 2023
Instrument	23-0142532

Lender

Name	SAN DIEGO COUNTY CU
Type	Credit Union
Address	SAN DIEGO, CA 92196

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Feb 28, 2053

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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		$993,387 (+2%) Land $406,489 Building $586,898
2025	$12,940.00 (+8.05%) Homeowner's exemption	$973,910 (+4.04%) Land $398,519 Building $575,391
2023	$11,976.00 (+2.24%) Homeowner's exemption	$936,094 Land $383,045 Building $553,049
2022	$11,714.00

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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