21477 Ambushers St, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21477 Ambushers St, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,004 sqft · built 1979
Lot Size	0.226 acres (9,845 sqft)
Owner	Individual Name on File
Last Sale	$815,000 (Aug 2017)
Tax Bill	$11,666 (2025)
Deeds & Mortgages	Feb 2020 Line of Credit Aug 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8714-002-016`

Property Details

APN / Parcel Number

Primary APN	`8714-002-016`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,004 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1979
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Tile
Lot Area	9,845 sqft (0.226 acres)
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	21477 AMBUSHERS ST
City	DIAMOND BAR
State	CA
Zip	91765-3804
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR19000*
Legal Description	*TR=34160 LOT 2
Legal Subdivision	34160
Legal Tract	34160
Legal Block	2
Legal Lot Number	2
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2017
Census Tract	403325

Owner

21477 Ambushers St is owned and occupied by an individual who bought it in August 2017.

Source: Los Angeles County records, as of August 25, 2026

Owner of Record	Individual Name on File
Mailing Address	21477 AMBUSHERS ST, DIAMOND BAR, CA 91765-3804
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Feb 13, 2020	Deed of Trust, Mortgage · Line of Credit COMERICA BANK
Aug 31, 2017	Grant Deed, Transfer · Conventional Mortgage ACG FUNDING INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 31, 2017 · Amount on File
Deed Sale	Aug 31, 2017 · Amount on File
Prior Sale	Apr 22, 2011 · Amount on File
Deed Document Number	2017991336
Prior Transfer Date	May 9, 2014
Prior Transfer Doc	0000575033
Record Updated	Oct 29, 2026

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21477 AMBUSHERS ST, DIAMOND BAR, CA 91765-3804
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000177061
Date	Feb 13, 2020
Instrument	20-0177061

Lender

Name	COMERICA BANK
Type	Bank
Address	DALLAS, TX 75201

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 31, 2017
Property Address	21477 AMBUSHERS ST, DIAMOND BAR, CA 91765-3804
Document Number	0000991336
Instrument Date	Aug 16, 2017
Instrument	991336
Transaction Type	Transfer
Record Updated	Aug 24, 2018
Title Company	ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TITLE CO/NTHRN CA

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$897.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21477 AMBUSHERS ST DIAMOND BAR CA 917653804, DIAMOND BAR, CA 91765-3804

Mortgage

Document Number	991337
Date	Aug 31, 2017
Instrument	991337

Lender

Name	ACG FUNDING INC
Type	Bank
Address	CITY OF INDUSTRY, CA 91748

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Aug 30, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 21477 Ambushers St was $11,666 with a homeowner's exemption.

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		$945,868 (+2%) Land $567,406 Building $378,462
2025	$11,666.00 Homeowner's exemption	$927,323 Land $556,281 Building $371,042
2023	$10,855.00 (+2.13%) Homeowner's exemption	$891,316 Land $534,681 Building $356,635
2022	$10,629.00

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

Flood

FEMA maps place 21477 Ambushers St in Zone X, an area of minimal flood risk.

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

Wildfire risk around 21477 Ambushers St is moderate, ranking above 44% of the US, with a 0.06% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 44% of the US · lower than 74% of California
Wildfire Likelihood	0.06% 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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