20831 Timberline Ln, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20831 Timberline Ln, Diamond Bar, CA 91789 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms3 Baths
Year BuiltBuilt 1989
Square Footage1,755 sqft Living Area
Lot Size4,343 sqft (0.1 acres)
OccupancyOwner Occupied
Last Sale$930,000 (2024)
Tax Bill$12,461.00 (2025)

Owner

Source: Los Angeles County records · APN 8765-009-091

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 RecordIndividual Name on File
Mailing Address20831 TIMBERLINE LN, WALNUT, CA 91789-4082
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingSingle Man

Deeds, Mortgages & Sale History

DateDocument
Jan 16, 2024Grant Deed, Transfer · Conventional Mortgage
ACG FUNDING INC
May 19, 2022Deed of Trust, Mortgage · Commercial Mortgage
ATHAS CAPITAL GROUP INC
Sep 24, 2021Deed of Trust, Mortgage · Conventional Mortgage
ATHAS CAPITAL GROUP INC

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJan 16, 2024 · Amount on Record
Deed SaleJan 16, 2024 · Amount on Record
Prior SaleOct 15, 2013 · Amount on Record
Deed Doc Number202431508
Prior Transfer DateAug 25, 2015
Prior Transfer Doc0001055164
Record RefreshedSep 20, 2026

January 2024: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateJan 16, 2024
Property Address20831 TIMBERLINE LN, DIAMOND BAR, CA 91789-4082
Document Number0000031508
Map ReferenceMB 1097 PG 69-78
Instrument DateJan 05, 2024
Instrument24-0031508
Transaction TypeTransfer
Record UpdatedJan 24, 2024
Title CompanyNOT AVAILABLE, PROVIDENT TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address20831 TIMBERLINE LN, WALNUT, CA 91789-4082

Mortgage

Document Number0000031509
DateJan 16, 2024
Instrument24-0031509
Lender
NameACG FUNDING INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 01, 2054

May 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionLOS ANGELES CA
Property Address20831 TIMBERLINE LN, DIAMOND BAR, CA 91789-4082
Transaction TypeMortgage
Record UpdatedMay 26, 2022
Title CompanyPROVIDENT TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address8173 BLEWETT ST, ROSEMEAD, CA 91770-3963

Mortgage

Document Number0000543394
DateMay 19, 2022
Instrument22-0543394
Lender
NameATHAS CAPITAL GROUP INC
TypeMortgage Company
AddressAGOURA HILLS, CA 91301
Agreement
TypeCommercial Mortgage
AmountAmount Recorded
Term353 Months
DueOct 01, 2051

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionLOS ANGELES CA
Property Address20831 TIMBERLINE LN, DIAMOND BAR, CA 91789-4082
Transaction TypeMortgage
Record UpdatedSep 30, 2021
Title CompanyPROVIDENT TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address8173 BLEWETT ST, ROSEMEAD, CA 91770-3963

Mortgage

Document Number0001457045
DateSep 24, 2021
Instrument21-1457045
Lender
NameATHAS CAPITAL GROUP INC
TypeMortgage Company
AddressAGOURA HILLS, CA 91301
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueOct 01, 2051

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$12,461.00 (+19.07%)$948,600 (+17.26%) Land $687,072 Building $261,528
2023$10,465.00 (+2.17%)$808,992 Land $341,347 Building $467,645
2022$10,243.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

Wildfire RiskModerate
above 44% of the US · above 26% of California
Wildfire LikelihoodAbout 1 in 2,000 per year
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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

Property Details

APN / Parcel Number

Primary APN8765-009-091

Interior

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

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 1989
Construction TypeWood Construction
Lot Area4,343 sqft (0.1 acres)
Depth X Width100 ft x 43 ft Depth x Width

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address20831 TIMBERLINE LN
CityWALNUT
StateCA
Zip91789-4082
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionTR=45268 LOT 86
Legal Subdivision45268
Legal Tract45268
Legal Block1
Legal Lot Number86
JurisdictionLOS ANGELES CA
Minor Civil DivisionEAST SAN GABRIEL VALLEY
Census Blockgroup1
Census Block1004
Census Tract403305

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