20474 Flintgate Dr, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20474 Flintgate Dr, Diamond Bar, CA 91789

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,867 sqft · built 1966
Lot Size0.176 acres (7,654 sqft)
Owner2 Company Names on File
Last Sale$265,000 (Jun 2001)
Tax Bill$5,423 (2025)
Flood ZoneZone X (minimal risk)
APN8762-033-028

Property Details

APN / Parcel Number

Primary APN8762-033-028

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Building Area1,867 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1966
Effective Year BuiltEffective 1966
Architectural StyleContemporary
Exterior MaterialStucco
Construction TypeWood
Roof MaterialWood Shingle
Lot Area7,654 sqft (0.176 acres)

Utilities, Heating & Cooling

Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address20474 FLINTGATE DR
CityWALNUT
StateCA
Zip91789-3734
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCRA06
Legal DescriptionTRACT NO 25391 LOT 77
Legal Subdivision25391
Legal Tract25391
Legal Block1
Legal Lot Number77
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group1
Census Block1021
Census Tract403326

Owner

20474 Flintgate Dr is owned by a company that acquired it in May 2016 and is owner-occupied.

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 Company Names on File
Mailing Address20474 FLINTGATE DR, WALNUT, CA 91789-3734
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 4, 2001 · Amount on File
Deed SaleJun 4, 2001 · Amount on File
Prior SaleNov 27, 2000 · Amount on File
Deed Document Number2001964316
Last Transfer DateMay 2, 2016
Transfer Doc0000600896
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 20474 Flintgate Dr was $5,423 with a homeowner's exemption.

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$407,274 (+2%) Land $212,245 Building $195,029
2025$5,423.00 Homeowner's exemption$399,289 Land $208,084 Building $191,205
2023$4,994.00 (+2.17%) Homeowner's exemption$383,785 Land $200,004 Building $183,781
2022$4,888.00

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

Flood

FEMA maps place 20474 Flintgate Dr in Zone X, an area of minimal flood risk.

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

The area around 20474 Flintgate Dr has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land 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 104 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable
1,000 / 1,000
Starlink
Satellite
280 / 30
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Frontier, GeoLinks, Verizon.

Nearby Properties on Flintgate Dr

Nearby Streets

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