21558 Ambushers St, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21558 Ambushers St, Diamond Bar, CA 91765

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,712 sqft · built 1978
Lot Size0.227 acres (9,903 sqft)
Owner2 Individual Names on Record
Last Sale$1,550,000 (Jun 2024)
Tax Bill$19,488 (2025)
Deeds & MortgagesApr 2019 Transfer
Flood ZoneZone X (minimal risk)
APN8714-010-005

Property Details

APN / Parcel Number

Primary APN8714-010-005

Interior

Bedrooms4 Beds
Full Baths3 Baths
Stories2 Stories
Building Area2,712 sqft Living Area

Exterior

Year BuiltBuilt 1978
Effective Year BuiltEffective 1978
Exterior MaterialStucco
Construction TypeWood
Roof MaterialWood Shingle
Lot Area9,903 sqft (0.227 acres)

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address21558 AMBUSHERS ST
CityDIAMOND BAR
StateCA
Zip91765-3805
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR19000*
Legal Description*TR=33205 LOT 96
Legal Subdivision33205
Legal Tract33205
Legal Block2
Legal Lot Number96
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 shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address21558 AMBUSHERS ST, DIAMOND BAR, CA 91765-3805
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 26, 2024 · Amount on Record
Deed SaleJun 26, 2024 · Amount on Record
Prior SaleOct 13, 2015 · Amount on Record
Deed Document Number2024414895
Prior Transfer DateApr 24, 1996
Prior Transfer Doc0000653659
Record UpdatedOct 29, 2026

April 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionLOS ANGELES CA
Recording DateApr 18, 2019
Property Address21558 AMBUSHERS ST, DIAMOND BAR, CA 91765-3805
Document Number0000344010
Instrument DateMar 8, 2019
Instrument344010
Transaction TypeTransfer
Record UpdatedApr 25, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address21558 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$1,612,619 (+2%) Land $1,187,824 Building $424,795
2025$19,488.00 (+69.46%)$1,581,000 (+67.41%) Land $1,164,534 Building $416,466
2023$11,500.00 (+2.12%) Homeowner's exemption$944,393 Land $494,043 Building $450,350
2022$11,261.00

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 63% of the US · lower than 61% of California
Wildfire Likelihood0.2% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 234 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable
1,000 / 1,000
T-Mobile
Fixed Wireless
100 / 20

May also be available: Frontier, GeoLinks, Verizon.

Nearby Properties on Ambushers St

Nearby Streets

Search Property Records by Address or Parcel Number