20816 Timberline Ln, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20816 Timberline Ln, Diamond Bar, CA 91789 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms3 Baths
Architecture StyleConventional
Year BuiltBuilt 1989
Square Footage1,755 sqft Living Area
Lot Size4,002 sqft (0.092 acres)
OccupancyOwner Occupied
Tax Bill$7,384.00 (2025)

Property Details

APN / Parcel Number

Primary APN8765-009-029

Interior

Bedrooms3 Beds
Full Baths3 Baths
Total Rooms7 Rooms
Building Area1,755 sqft Living Area
Stories2 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 1989
Architectural StyleConventional Style
Exterior MaterialStucco Exterior
Construction TypeWood Construction
Roof MaterialTile Roof
Lot Area4,002 sqft (0.092 acres)
Depth X Width100 ft x 40 ft Depth x Width

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating
SewageMunicipal Sewage
Water SourceCommercial Water Source

Location & Zoning

Street Address20816 TIMBERLINE LN
CityWALNUT
StateCA
Zip91789-4080
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionTR=45268 LOT 24
Legal Subdivision45268
Legal Tract45268
Legal Block1
Legal Lot Number24
JurisdictionLOS ANGELES CA
Minor Civil DivisionEAST SAN GABRIEL VALLEY
Census Blockgroup1
Census Block1001
Census Tract403305

Owner

Source: Los Angeles County records · APN 8765-009-029

Assessment roll updated May 21, 2026 · Last verified June 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 File
Mailing Address20816 TIMBERLINE LN, WALNUT, CA 91789-4080
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateAug 13, 2002
Transfer Doc0001971229
Record RefreshedSep 20, 2026

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyLos Angeles County
MunicipalityDiamond Bar City
Unified School DistrictWalnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2025$7,384.00 (+7.83%)$514,715 (+4.04%) Land $321,518 Building $193,197
2023$6,848.00 (+2.21%)$494,730 Land $309,034 Building $185,696
2022$6,700.00

Flood & Wildfire

20816 Timberline Ln is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Moderate risk).

Flood

Source: FEMA National Flood Hazard Layer · Los Angeles County (06037C), updated September 30, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesModerate
44th percentile of exposed land nationally · 26th in California
Wildfire LikelihoodLow — about 1 in 2,000 per year
ExposureIndirect
within ember reach of burnable land · adjoins burnable vegetation

Values are read at the parcel center point; lenders make the official flood determination.

Nearby Properties on Timberline Ln

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