912 Summitridge Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 912 Summitridge Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,522 sqft · built 1988
Lot Size	0.206 acres (8,975 sqft)
Owner	Individual Name on Record
Tax Bill	$9,159 (2025)
Flood Zone	Zone X (minimal risk)
APN	`8701-045-078`

Property Details

APN / Parcel Number

Primary APN	`8701-045-078`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	2,522 sqft Living Area

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Construction Type	Wood
Lot Area	8,975 sqft (0.206 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	912 SUMMITRIDGE DR
City	DIAMOND BAR
State	CA
Zip	91765-4383
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCRPD20000
Legal Description	TR=42574 LOT 26
Legal Subdivision	42574
Legal Tract	42574
Legal Block	2
Legal Lot Number	26
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2004
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	Individual Name on Record
Mailing Address	912 SUMMITRIDGE DR, DIAMOND BAR, CA 91765-4383
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Feb 17, 2011
Transfer Doc	0000297155
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	Pomona Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$632,588 (+2%) Land $253,605 Building $378,983
2025	$9,159.00 (+11.44%) Homeowner's exemption	$620,185 (+4.04%) Land $248,633 Building $371,552
2023	$8,219.00 (+1.8%) Homeowner's exemption	$596,104 Land $238,979 Building $357,125
2022	$8,074.00

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	Moderate above 67% of the US · above 41% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 414 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