20817 E Rim Ln, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20817 E Rim Ln, Diamond Bar, CA 91789

Property Summary

Property TypeSingle Family Home
Details3 bd · 3 ba · 1,755 sqft · built 1988
Lot Size0.121 acres (5,258 sqft)
OwnerCompany Name on Record
Last Sale$260,000 (Dec 1999)
Tax Bill$6,045 (2025)
Flood ZoneZone X (minimal risk)
APN8765-018-005

Property Details

APN / Parcel Number

Primary APN8765-018-005

Interior

Bedrooms3 Beds
Full Baths3 Baths
Building Area1,755 sqft Living Area

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Construction TypeWood
Lot Area5,258 sqft (0.121 acres)

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address20817 E RIM LN
CityWALNUT
StateCA
Zip91789-4010
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCRPD10000
Legal DescriptionTR=43760 LOT 5
Legal Subdivision43760
Legal Tract43760
Legal Block1
Legal Lot Number5
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group1
Census Block1001
Census Tract403305

Owner

Source: Los Angeles County records, as of May 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on Record
Mailing Address20817 E RIM LN, WALNUT, CA 91789-4010
Owner TypeCompany
VestingLimited Liability Partnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 16, 1999 · Amount on Record
Deed SaleDec 16, 1999 · Amount on Record
Deed Document Number19992313335
Last Transfer DateFeb 25, 2025
Transfer Doc0000179713
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of May 21, 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
2025$6,045.00 (+8.14%)$399,589 (+4.04%) Land $246,826 Building $152,763
2023$5,590.00 (+2.23%)$384,075 Land $237,243 Building $146,832
2022$5,468.00

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 67% of the US · lower than 81% of California
Wildfire Likelihood0.02% 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 327 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable
1,000 / 1,000

May also be available: Frontier, GeoLinks, T-Mobile, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on E Rim Ln

Nearby Streets

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