20799 E Rim Ln, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20799 E Rim Ln, Diamond Bar, CA 91789

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,303 sqft · built 1987
Lot Size0.252 acres (10,995 sqft)
Owner2 Individual Names on Record
Last Sale$302,500 (Jul 1994)
Tax Bill$7,370 (2025)
Deeds & MortgagesApr 2017 Line of Credit
Flood ZoneZone X (minimal risk)
APN8765-022-001

Property Details

APN / Parcel Number

Primary APN8765-022-001

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms6 Rooms
Stories2 Stories
Building Area2,303 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1987
Effective Year BuiltEffective 1987
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof MaterialTile
Lot Area10,995 sqft (0.252 acres)
Lot Dimensions167 ft deep x 72 ft wide

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address20799 E RIM LN
CityWALNUT
StateCA
Zip91789-4028
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCRPD10000
Legal DescriptionTR=44824 LOT 0001
Legal Subdivision44824
Legal Tract44824
Legal Block1
Legal Lot Number0001
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group1
Census Block1005
Census Tract403305

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 Address20799 E RIM LN, WALNUT, CA 91789-4028
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 29, 1994 · Amount on Record
Deed SaleJul 29, 1994 · Amount on Record
Deed Document Number19941410276
Record UpdatedOct 29, 2026

April 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionLOS ANGELES CA
Property Address20799 E RIM LN, DIAMOND BAR, CA 91789-4028
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000377551
DateApr 5, 2017
Instrument17-0377551
Lender
NameCITIBANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueApr 4, 2047
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

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$518,244 (+2%) Land $192,386 Building $325,858
2025$7,370.00 (+8.21%) Homeowner's exemption$508,083 (+4.04%) Land $188,614 Building $319,469
2023$6,811.00 (+2.21%) Homeowner's exemption$488,355 Land $181,291 Building $307,064
2022$6,664.00

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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