401 Carpio Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 401 Carpio Dr, Diamond Bar, CA 91765

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 1,882 sqft · built 1965
Lot Size0.187 acres (8,138 sqft)
Owner2 Company Names on Record
Tax Bill$2,514 (2025)
Deeds & MortgagesNov 2019 Transfer
Flood ZoneZone X (minimal risk)
APN8281-021-032

Property Details

APN / Parcel Number

Primary APN8281-021-032

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area1,882 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1965
Effective Year BuiltEffective 1965
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof TypeGable
Roof MaterialWood Shingle
Lot Area8,138 sqft (0.187 acres)
Lot Dimensions113 ft deep x 75 ft wide

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address401 CARPIO DR
CityDIAMOND BAR
StateCA
Zip91765-1813
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR11L
Legal DescriptionTRACT NO 29889 LOT 102
Legal Subdivision29889
Legal Tract29889
Legal Block2
Legal Lot Number102
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group2
Census Block2007
Census Tract403321

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 Company Names on Record
Mailing Address401 CARPIO DR, DIAMOND BAR, CA 91765-1813
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateNov 16, 2019
Transfer Doc0001261693
Record UpdatedOct 29, 2026

November 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionLOS ANGELES CA
Recording DateNov 19, 2019
Property Address401 CARPIO DR, DIAMOND BAR, CA 91765-1813
Document Number0001261693
Instrument DateNov 16, 2019
Instrument1261693
Transaction TypeTransfer
Record UpdatedDec 9, 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
Address401 CARPIO DR DIAMOND BAR CA 917651813, DIAMOND BAR, CA 91765-1813

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 DistrictPomona Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$144,421 (+2%) Land $26,722 Building $117,699
2025$2,514.00 (+14.95%) Homeowner's exemption$141,591 (+4.04%) Land $26,199 Building $115,392
2023$2,187.00 (+1.82%) Homeowner's exemption$136,095 Land $25,183 Building $110,912
2022$2,148.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Claims2 (1998–2008)
Claims Outside the SFHA2 of 2
Most Recent ClaimJan 2008 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.02% annual chance
ExposureIndirect
within ember reach

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

ProviderMax Down / Up (Mbps)
Frontier
Fiber
7,000 / 7,000
Spectrum
Cable
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: GeoLinks.

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