21275 Ambushers St, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21275 Ambushers St, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,687 sqft · built 1981
Lot Size	0.368 acres (16,009 sqft)
Owner	Individual Name on Record
Last Sale	$246,500 (Jul 1994)
Tax Bill	$2,943 (2025)
Deeds & Mortgages	Jan 2021 Mortgage Feb 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8714-011-001`

Property Details

APN / Parcel Number

Primary APN	`8714-011-001`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	2,687 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	16,009 sqft (0.368 acres)
Lot Dimensions	199 ft deep x 80 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	21275 AMBUSHERS ST
City	DIAMOND BAR
State	CA
Zip	91765-3736
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR19000*
Legal Description	*TR=34160 LOT 9
Legal Subdivision	34160
Legal Tract	34160
Legal Block	2
Legal Lot Number	9
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2017
Census Tract	403325

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	21275 AMBUSHERS ST, DIAMOND BAR, CA 91765-3736
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 14, 2021	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE LLC
Feb 24, 2017	Deed of Trust, Mortgage · Conventional Mortgage RESCOM FINANCIAL SERVICES INC RESCOM FINANCIAL SERVICES INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 19, 1994 · Amount on Record
Deed Sale	Jul 19, 1994 · Amount on Record
Prior Sale	Mar 9, 1994 · Amount on Record
Deed Document Number	19941336418
Prior Transfer Date	Mar 4, 1994
Prior Transfer Doc	0000467455
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21275 AMBUSHERS ST, DIAMOND BAR, CA 91765-3736
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	PACIFIC COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21275 AMBUSHERS ST, DIAMOND BAR, CA 91765-3736

Mortgage

Document Number	0000073648
Date	Jan 14, 2021
Instrument	21-0073648

Lender

Name	UNITED WHOLESALE MORTGAGE LLC
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2051

February 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21275 AMBUSHERS ST, DIAMOND BAR, CA 91765-3736
Document Number	0000245287
Instrument Date	Feb 24, 2017
Transaction Type	Mortgage
Record Updated	Aug 16, 2018
Title Company	WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	21275 AMBUSHERS ST DIAMOND BAR CA 917653736, DIAMOND BAR, CA 91765-3736

Mortgage

Document Number	0000245287
Date	Mar 2, 2017
Instrument	245287

Lender

Name	RESCOM FINANCIAL SERVICES INC RESCOM FINANCIAL SERVICES INC
Type	Funding / Finance Company
Address	NEWPORT BEACH, CA 92660

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2047

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		$422,300 (+2%) Land $250,986 Building $171,314
2025	$2,943.00 (+11.99%)	$414,020 (+4.04%) Land $246,065 Building $167,955
2023	$2,628.00 (-1.28%)	$397,945 Land $236,511 Building $161,434
2022	$2,662.00

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 48% of the US · lower than 71% of California
Wildfire Likelihood	0.08% annual chance
Exposure	Indirect within 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 565 locations within half a mile, as of December 31, 2025

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

May also be available: Frontier, Verizon.

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