1117 Summitridge Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1117 Summitridge Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,744 sqft · built 1987
Lot Size	0.839 acres (36,538 sqft)
Owner	2 Company Names on Record
Last Sale	$712,000 (Apr 2004)
Tax Bill	$13,599 (2025)
Flood Zone	Zone X (minimal risk)
APN	`8701-038-010`

Property Details

APN / Parcel Number

Primary APN	`8701-038-010`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	2,744 sqft Living Area

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Construction Type	Wood
Lot Area	36,538 sqft (0.839 acres)
Lot Dimensions	310 ft deep x 61 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1117 SUMMITRIDGE DR
City	DIAMOND BAR
State	CA
Zip	91765-4363
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCRPD20000
Legal Description	TR=42570 LOT 10
Legal Subdivision	42570
Legal Tract	42570
Legal Block	1
Legal Lot Number	10
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1006
Census Tract	403320

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	1117 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4363
Owner Type	Company
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 30, 2004 · Amount on Record
Deed Sale	Apr 30, 2004 · Amount on Record
Prior Sale	Apr 16, 1999 · Amount on Record
Deed Document Number	20041074970
Last Transfer Date	Aug 2, 2014
Transfer Doc	0000815510
Record Updated	Oct 29, 2026

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		$1,032,545 (+2%) Land $597,484 Building $435,061
2025	$13,599.00 (+8.34%)	$1,012,300 (+4.04%) Land $585,769 Building $426,531
2023	$12,552.00 (+2.62%)	$972,993 Land $563,024 Building $409,969
2022	$12,231.00

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 58% of the US · lower than 65% of California
Wildfire Likelihood	0.2% 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 529 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20