20754 Timberline Ln, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20754 Timberline Ln, Diamond Bar, CA 91789

Property Summary

Property TypeSingle Family Home
Details3 bd · 3 ba · 1,546 sqft · built 1989
Lot Size0.095 acres (4,119 sqft)
Owner2 Company Names on Record
Last Sale$760,000 (Oct 2020)
Tax Bill$10,779 (2025)
Deeds & MortgagesNov 2022 Transfer
Oct 2020 Sale
Flood ZoneZone X (minimal risk)
APN8765-009-041

Property Details

APN / Parcel Number

Primary APN8765-009-041

Interior

Bedrooms3 Beds
Full Baths3 Baths
Total Rooms5 Rooms
Building Area1,546 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 1989
Construction TypeWood
Lot Area4,119 sqft (0.095 acres)
Lot Dimensions102 ft deep x 40 ft wide

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address20754 TIMBERLINE LN
CityWALNUT
StateCA
Zip91789-4078
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCRPD10000
Legal DescriptionTR=45268 LOT 36
Legal Subdivision45268
Legal Tract45268
Legal Block1
Legal Lot Number36
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 Record2 Company Names on Record
Mailing Address20754 TIMBERLINE LN, WALNUT, CA 91789-4078
OccupancyOwner Occupied
Owner TypeCompany
VestingLife Tenant

Deeds, Mortgages & Sale History

DateDocument
Nov 28, 2022Intrafamily Transfer, Transfer
Oct 30, 2020Grant Deed, Transfer
WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 30, 2020 · Amount on Record
Deed SaleOct 30, 2020 · Amount on Record
Prior SaleFeb 26, 2009 · Amount on Record
Deed Document Number20201365915
Last Transfer DateNov 25, 2022
Transfer Doc0001108447
Record UpdatedSep 20, 2026

November 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionLOS ANGELES CA
Recording DateNov 28, 2022
Property Address20754 TIMBERLINE LN, DIAMOND BAR, CA 91789-4078
Document Number0001108447
Map ReferenceMB 1097 PG 69-76
Instrument DateNov 25, 2022
Instrument22-1108447
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address20754 TIMBERLINE LN, DIAMOND BAR, CA 91789-4078

October 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateOct 30, 2020
Property Address20754 TIMBERLINE LN, DIAMOND BAR, CA 91789-4078
Document Number0001365915
Instrument DateOct 26, 2020
Instrument1365915
Transaction TypeTransfer
Record UpdatedNov 5, 2020
Title CompanyWFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transaction

AmountAmount Recorded
Tax$836.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address20754 TIMBERLINE LN DIAMOND BAR CA 917894078, DIAMOND BAR, CA 91789-4078

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$10,779.00 (+6.31%) Homeowner's exemption$822,647 (+4.04%) Land $590,791 Building $231,856
2023$10,139.00 (+2.2%) Homeowner's exemption$790,703 Land $567,850 Building $222,853
2022$9,921.00

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 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 265 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000

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

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