21402 Ambushers St, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21402 Ambushers St, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,004 sqft · built 1981
Lot Size	0.33 acres (14,373 sqft)
Owner	2 Company Names on File
Tax Bill	$6,483 (2025)
Deeds & Mortgages	May 2022 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`8714-010-015`

Property Details

APN / Parcel Number

Primary APN	`8714-010-015`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,004 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1981
Effective Year Built	Effective 1981
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Tile
Lot Area	14,373 sqft (0.33 acres)
Lot Dimensions	161 ft deep x 96 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	21402 AMBUSHERS ST
City	DIAMOND BAR
State	CA
Zip	91765-3803
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR19000*
Legal Description	*TR=34160 LOT 45
Legal Subdivision	34160
Legal Tract	34160
Legal Block	2
Legal Lot Number	45
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2024
Census Tract	403325

Owner

Source: Los Angeles County assessment roll, APN 8714-010-015, as of 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	21402 AMBUSHERS ST, DIAMOND BAR, CA 91765-3803
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Personal Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Apr 29, 2016
Transfer Doc	0000568492
Record Updated	Sep 20, 2026

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21402 AMBUSHERS ST, DIAMOND BAR, CA 91765-3803
Transaction Type	Mortgage
Record Updated	May 26, 2022
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21402 AMBUSHERS ST, DIAMOND BAR, CA 91765-3803

Mortgage

Document Number	0000533874
Date	May 17, 2022
Instrument	22-0533874

Lender

Name	SCHOOLSFIRST FCU
Type	Credit Union
Address	TUSTIN, CA 92780

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Los Angeles County assessment roll as of May 21, 2026 · Last verified June 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

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2025	$6,483.00 (+8.21%) Homeowner's exemption	$483,666 (+4.04%) Land $317,078 Building $166,588
2023	$5,991.00 (+2.15%) Homeowner's exemption	$464,886 Land $304,766 Building $160,120
2022	$5,865.00

Flood & Wildfire

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

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Moderate above 48% of the US · lower than 71% of California
Wildfire Likelihood	0.08% annual chance
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, 565 locations within half a mile, as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Frontier, Verizon.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA1910234, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	WALNUT VALLEY WATER DISTRICT serves 100,941 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.