20319 Acfold Dr, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20319 Acfold Dr, Diamond Bar, CA 91789

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,906 sqft · built 1964
Lot Size0.204 acres (8,870 sqft)
Owner2 Company Names on Record
Last Sale$519,000 (Dec 2007)
Tax Bill$8,907 (2025)
Deeds & MortgagesMay 2023 Transfer
Flood ZoneZone X (minimal risk)
APN8762-031-029

Property Details

APN / Parcel Number

Primary APN8762-031-029

Interior

Bedrooms4 Beds
Full Baths2 Baths
Building Area1,906 sqft Living Area

Exterior

Year BuiltBuilt 1964
Effective Year BuiltEffective 1964
Construction TypeWood
Lot Area8,870 sqft (0.204 acres)

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address20319 ACFOLD DR
CityWALNUT
StateCA
Zip91789-3702
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR18500*
Legal DescriptionTRACT NO 29185 LOT 47
Legal Subdivision29185
Legal Tract29185
Legal Block1
Legal Lot Number47
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group1
Census Block1025
Census Tract403326

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 Address20319 ACFOLD DR, WALNUT, CA 91789-3702
Owner TypeCompany
VestingTrust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleDec 31, 2007 · Amount on Record
Deed SaleDec 31, 2007 · Amount on Record
Deed Document Number20072863952
Last Transfer DateMar 21, 2023
Transfer Doc0000302609
Record UpdatedOct 29, 2026

May 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionLOS ANGELES CA
Recording DateMay 9, 2023
Property Address20319 ACFOLD DR, DIAMOND BAR, CA 91789-3702
Document Number0000302609
Map ReferenceMB 721 PG 1-3
Instrument DateMar 21, 2023
Instrument23-0302609
Transaction TypeTransfer
Record UpdatedMay 24, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Revocable Trust
Address20319 ACFOLD DR, WALNUT, CA 91789-3702

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$695,333 (+2%) Land $556,272 Building $139,061
2025$8,907.00 (+7.73%)$681,700 (+4.04%) Land $545,365 Building $136,335
2023$8,268.00 (+2.1%)$655,231 Land $524,189 Building $131,042
2022$8,098.00

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 RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 458 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
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T, GeoLinks, Verizon.

Nearby Properties on Acfold Dr

Nearby Streets

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