20931 Ambushers St, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 20931 Ambushers St, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,892 sqft · built 1964
Lot Size	0.187 acres (8,149 sqft)
Owner	2 Individual Names on File
Last Sale	$565,000 (May 2005)
Tax Bill	$10,008 (2025)
Deeds & Mortgages	Jul 2020 Mortgage Sep 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8714-013-012`

Property Details

APN / Parcel Number

Primary APN	`8714-013-012`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Building Area	1,892 sqft Living Area

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1965
Construction Type	Wood
Lot Area	8,149 sqft (0.187 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	20931 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 32
Legal Subdivision	25989
Legal Tract	25989
Legal Block	2
Legal Lot Number	32
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2017
Census Tract	403325

Owner

20931 Ambushers St is owned and occupied by two individuals who bought it in May 2005.

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

Owner of Record	2 Individual Names on File
Mailing Address	20931 AMBUSHERS ST, DIAMOND BAR, CA 91765-3706
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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
Jul 28, 2020	Deed of Trust, Mortgage · Conventional Mortgage NEW WAVE LENDING GROUP INC
Sep 27, 2017	Deed of Trust, Mortgage · Conventional Mortgage MK LNDG

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 3, 2005 · Amount on File
Deed Sale	May 3, 2005 · Amount on File
Deed Document Number	20051032224
Record Updated	Oct 29, 2026

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	20931 AMBUSHERS ST, DIAMOND BAR, CA 91765-3706
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	PROVIDENT TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000847659
Date	Jul 28, 2020
Instrument	20-0847659

Lender

Name	NEW WAVE LENDING GROUP INC
Type	Non-Lending Institution
Address	ROWLAND HEIGHTS, CA 91748

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Aug 1, 2035

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	20931 AMBUSHERS ST, DIAMOND BAR, CA 91765-3706
Document Number	0001136555
Instrument Date	Sep 27, 2017
Transaction Type	Mortgage
Record Updated	Oct 9, 2017
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	20931 AMBUSHERS ST DIAMOND BAR CA 917653706, DIAMOND BAR, CA 91765-3706

Mortgage

Document Number	0001136555
Date	Oct 4, 2017
Instrument	1136555

Lender

Name	MK LNDG
Address	NORTH HOLLYWOOD, CA 91601

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Oct 3, 2032

Tax Assessment & Valuation

The 2025 property tax bill for 20931 Ambushers St was $10,008 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		$803,294 (+2%) Land $576,670 Building $226,624
2025	$10,008.00 Homeowner's exemption	$787,544 Land $565,363 Building $222,181
2023	$9,320.00 (+2.13%) Homeowner's exemption	$756,964 Land $543,410 Building $213,554
2022	$9,126.00

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

Flood

FEMA maps place 20931 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 20931 Ambushers St is moderate, ranking above 48% of the US, with a 0.08% annual chance of 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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