20903 Ambushers St, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 20903 Ambushers St, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,662 sqft · built 1964
Lot Size	0.215 acres (9,383 sqft)
Owner	2 Individual Names on Record
Last Sale	$555,000 (Apr 2015)
Tax Bill	$8,733 (2025)
Deeds & Mortgages	Oct 2025 Line of Credit Mar 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8714-013-008`

Property Details

APN / Parcel Number

Primary APN	`8714-013-008`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Building Area	1,662 sqft Living Area

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1964
Construction Type	Wood
Lot Area	9,383 sqft (0.215 acres)

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	20903 AMBUSHERS ST
City	DIAMOND BAR
State	CA
Zip	91765-3706
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR17500*
Legal Description	TRACT NO 25989 LOT 28
Legal Subdivision	25989
Legal Tract	25989
Legal Block	2
Legal Lot Number	28
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	2 Individual Names on Record
Mailing Address	20903 AMBUSHERS ST, DIAMOND BAR, CA 91765-3706
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Oct 14, 2025	Deed of Trust, Mortgage · Line of Credit THE LOAN STORE INC
Mar 21, 2022	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED AMERICAN MORTGAGE CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 14, 2015 · Amount on Record
Deed Sale	Apr 14, 2015 · Amount on Record
Deed Document Number	2015411299
Last Transfer Date	Apr 15, 2015
Transfer Doc	0000634284
Record Updated	Oct 29, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	20903 AMBUSHERS ST, DIAMOND BAR, CA 91765-3706
Transaction Type	Mortgage
Record Updated	Oct 28, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20903 AMBUSHERS ST, DIAMOND BAR, CA 91765-3706

Mortgage

Document Number	0000707372
Date	Oct 14, 2025
Instrument	25-0707372

Lender

Name	THE LOAN STORE INC
Type	Mortgage Company
Address	TUCSON, AZ 85718

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Oct 13, 2055

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 21, 2022
Property Address	20903 AMBUSHERS ST, DIAMOND BAR, CA 91765-3706
Document Number	0000318014
Map Reference	MB 714 PG 5-7
Instrument Date	Feb 17, 2022
Instrument	22-0318014
Transaction Type	Transfer
Record Updated	Mar 29, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	20903 AMBUSHERS ST, DIAMOND BAR, CA 91765-3706

Mortgage

Document Number	0000318015
Date	Mar 21, 2022
Instrument	22-0318015

Lender

Name	UNITED AMERICAN MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2052

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		$692,146 (+2%) Land $531,295 Building $160,851
2025	$8,733.00 (+8.01%) Homeowner's exemption	$678,578 (+4.04%) Land $520,878 Building $157,700
2023	$8,085.00 (+2.13%) Homeowner's exemption	$652,229 Land $500,652 Building $151,577
2022	$7,916.00

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
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 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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