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21530 Ambushers St, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21530 Ambushers St, Diamond Bar, CA 91765

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 2,037 sqft · built 1978
Lot Size0.284 acres (12,380 sqft)
Owner2 Individual Names on Record
Last Sale$1,328,000 (Aug 2024)
Tax Bill$16,433 (2025)
Deeds & MortgagesMay 2018 Mortgage
Jan 2018 Sale
Flood ZoneZone X (minimal risk)
APN8714-010-008

Property Details

APN / Parcel Number

Primary APN8714-010-008

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area2,037 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1978
Effective Year BuiltEffective 1978
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof MaterialWood Shingle
Lot Area12,380 sqft (0.284 acres)

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address21530 AMBUSHERS ST
CityDIAMOND BAR
StateCA
Zip91765-3805
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR19000*
Legal Description*TR=33205 LOT 99
Legal Subdivision33205
Legal Tract33205
Legal Block2
Legal Lot Number99
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group2
Census Block2024
Census Tract403325

Owner

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

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

Owner of Record2 Individual Names on Record
Mailing Address21530 AMBUSHERS ST, DIAMOND BAR, CA 91765-3805
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
May 8, 2018Deed of Trust, Mortgage · ARM
EAST WEST BANK
Jan 4, 2018Grant Deed, Transfer
CHICAGO TITLE COMPANY

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 26, 2024 · Amount on Record
Deed SaleAug 26, 2024 · Amount on Record
Prior SaleJan 4, 2018 · Amount on Record
Deed Document Number2024570137
Prior Transfer DateNov 15, 1993
Prior Transfer Doc0002298782
Record UpdatedOct 29, 2026

May 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionLOS ANGELES CA
Property Address21530 AMBUSHERS ST, DIAMOND BAR, CA 91765-3805
Transaction TypeMortgage
Record UpdatedJun 21, 2022
Title CompanyOLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000451307
DateMay 8, 2018
Instrument18-0451307
Lender
NameEAST WEST BANK
TypeBank
AddressEL MONTE, CA 91731
Agreement
TypeARM
AmountAmount Recorded
Term361 Months
DueJun 1, 2048
Interest
Rate TypeAdjustable Rate
Rate4.87%
Type Change DateJun 1, 2023
Change FrequencyAnnually
Min Rate At Change3.25%
Max Rate At Change6.87%
Index1-Year CMT
Max Rate10.8%

January 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateJan 4, 2018
Property Address21530 AMBUSHERS ST, DIAMOND BAR, CA 91765-3805
Document Number0000012629
Instrument DateDec 22, 2017
Instrument12629
Transaction TypeTransfer
Record UpdatedJan 17, 2018
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$874.50
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address21530 AMBUSHERS ST DIAMOND BAR CA 917653805, DIAMOND BAR, CA 91765-3805

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyLos Angeles County
MunicipalityDiamond Bar City
Unified School DistrictWalnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,354,560 (+2%) Land $918,000 Building $436,560
2025$16,433.00 (+53.62%)$1,328,000 (+52.74%) Land $900,000 Building $428,000
2023$10,697.00 (+2.11%)$869,445 Land $561,694 Building $307,751
2022$10,476.00

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot 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 RiskModerate
above 62% of the US · lower than 62% of California
Wildfire Likelihood0.2% annual chance
ExposureDirect
burnable vegetation

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 SystemWALNUT VALLEY WATER DISTRICT
serves 100,941 people · EPA ID CA1910234
Water SourcePurchased surface water from several systems
Last State InspectionJun 2023
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

ProviderMax 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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