21040 Ambushers St, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21040 Ambushers St, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,805 sqft · built 1981
Lot Size	0.521 acres (22,679 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,589,000 (Jul 2026)
Tax Bill	$14,753 (2025)
Deeds & Mortgages	Jul 2026 Sale & Mortgage Oct 2021 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`8714-011-013`

Property Details

APN / Parcel Number

Primary APN	`8714-011-013`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	2,805 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1981
Effective Year Built	Effective 1990
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Tile
Lot Area	22,679 sqft (0.521 acres)
Lot Dimensions	120 ft deep x 102 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	21040 AMBUSHERS ST
City	DIAMOND BAR
State	CA
Zip	91765-3731
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR19000*
Legal Description	*TR=34160 LOT 21
Legal Subdivision	34160
Legal Tract	34160
Legal Block	2
Legal Lot Number	21
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2013
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	21040 AMBUSHERS ST, DIAMOND BAR, CA 91765-3731
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

Deeds, Mortgages & Sale History

Date	Document
Jul 17, 2026	Grant Deed, Transfer · Conventional Mortgage FUNDING
Oct 26, 2021	Deed of Trust, Mortgage · Conventional Mortgage PMAC LENDING SERVICES INC
Oct 10, 2019	Deed of Trust, Mortgage · Conventional Mortgage UNITED AMERICAN MORTGAGE CORP
Sep 1, 2017	Grant Deed, Transfer · ARM MUFG UNION BANK NA
Feb 23, 2017	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 17, 2026 · Amount on Record
Deed Sale	Jul 17, 2026 · Amount on Record
Prior Sale	Sep 1, 2017 · Amount on Record
Deed Document Number	2026524729
Prior Transfer Date	Feb 22, 1995
Prior Transfer Doc	0000331104
Record Updated	Oct 29, 2026

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 17, 2026
Property Address	21040 AMBUSHERS ST, DIAMOND BAR, CA 91765-3731
Document Number	0000524729
Instrument Date	Jul 8, 2026
Instrument	2026524729
Transaction Type	Transfer
Record Updated	Aug 27, 2026
Title Company	CALIFORNIA TITLE COMPANY, CALIFORNIA BEST TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$176,537.90
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21040 AMBUSHERS ST, DIAMOND BAR, CA 91765-3731

Mortgage

Document Number	0000524730,
Date	Jul 17, 2026
Instrument	2026524730

Lender

Name	FUNDING

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	6.5%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21040 AMBUSHERS ST, DIAMOND BAR, CA 91765-3731
Transaction Type	Mortgage
Record Updated	Nov 2, 2021
Title Company	PACIFIC COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21040 AMBUSHERS ST, DIAMOND BAR, CA 91765-3731

Mortgage

Document Number	0001605909
Date	Oct 26, 2021
Instrument	21-1605909

Lender

Name	PMAC LENDING SERVICES INC
Type	Mortgage Company
Address	BREA, CA 92821

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Nov 1, 2036

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21040 AMBUSHERS ST, DIAMOND BAR, CA 91765-3731
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0001079017
Date	Oct 10, 2019
Instrument	19-1079017

Lender

Name	UNITED AMERICAN MORTGAGE CORP
Type	Mortgage Company
Address	COSTA MESA, CA 92626

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2049

September 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 1, 2017
Property Address	21040 AMBUSHERS ST, DIAMOND BAR, CA 91765-3731
Document Number	0000999088
Map Reference	MB900 PG20-25
Instrument Date	Aug 21, 2017
Instrument	17-0999088
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	CHICAGO TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	2840 S DIAMOND BAR BLVD APT 137, 137, DIAMOND BAR, CA 91765-3487

Mortgage

Document Number	0000999089
Date	Sep 1, 2017
Instrument	17-0999089

Lender

Name	MUFG UNION BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.12%
Type Change Date	Sep 1, 2024
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5.12%
Index	1-Year LIBOR
Max Rate	9.12%

February 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21040 AMBUSHERS ST, DIAMOND BAR, CA 91765-3731
Document Number	0000268331
Instrument Date	Feb 23, 2017
Transaction Type	Mortgage
Record Updated	Aug 16, 2018
Title Company	TITLE SERVICE AND LIAISON COMPANIES, INDECOMM GLOBAL SVCS

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21040 AMBUSHERS ST DIAMOND BAR CA 917653731, DIAMOND BAR, CA 91765-3731

Mortgage

Document Number	0000268331
Date	Mar 8, 2017
Instrument	268331

Lender

Name	BANK OF AMERICA
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

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		$1,204,679 (+2%) Land $588,297 Building $616,382
2025	$14,753.00 (+7.34%) Homeowner's exemption	$1,181,059 (+4.04%) Land $576,762 Building $604,297
2023	$13,744.00 (+2.12%) Homeowner's exemption	$1,135,199 Land $554,366 Building $580,833
2022	$13,459.00

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 62% of the US · lower than 62% 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 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.

Nearby Properties on Ambushers St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures