20563 Crestline Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 20563 Crestline Dr, Diamond Bar, CA 91765

Property Summary

Property TypeSingle Family Home
Details5 bd · 5 ba · 3,537 sqft · built 1996
Lot Size0.225 acres (9,778 sqft)
Owner2 Company Names on Record
Last Sale$456,000 (Feb 1996)
Tax Bill$10,101 (2025)
Deeds & MortgagesFeb 2021 Sale
Flood ZoneZone X (minimal risk)
APN8269-090-029

Property Details

APN / Parcel Number

Primary APN8269-090-029

Interior

Bedrooms5 Beds
Full Baths5 Baths
Building Area3,537 sqft Living Area

Exterior

Year BuiltBuilt 1996
Effective Year BuiltEffective 1996
Construction TypeWood
Lot Area9,778 sqft (0.225 acres)

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address20563 CRESTLINE DR
CityDIAMOND BAR
StateCA
Zip91765-4708
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR18000-R
Legal DescriptionTR=44478 LOT 52
Legal Subdivision44478
Legal Tract44478
Legal Block3
Legal Lot Number52
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group3
Census Block3000
Census Tract408703

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 Company Names on Record
Mailing Address20563 CRESTLINE DR, DIAMOND BAR, CA 91765-4708
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 22, 1996 · Amount on Record
Deed SaleFeb 22, 1996 · Amount on Record
Deed Document Number1996289492
Last Transfer DateJan 25, 2021
Transfer Doc0000194825
Record UpdatedOct 29, 2026

February 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateFeb 3, 2021
Property Address20563 CRESTLINE DR, DIAMOND BAR, CA 91765-4708
Document Number0000194825
Map ReferenceMB 1211 PG 42-50
Instrument DateJan 25, 2021
Instrument21-0194825
Transaction TypeTransfer
Record UpdatedJul 21, 2022

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Common
Address20563 CRESTLINE DR, DIAMOND BAR, CA 91765-4708

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$772,643 (+2%) Land $232,129 Building $540,514
2025$10,101.00 (+10.3%)$757,494 (+4.04%) Land $227,578 Building $529,916
2023$9,158.00 (+2.11%)$728,082 Land $218,742 Building $509,340
2022$8,969.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire RiskModerate
above 62% of the US · lower than 62% of California
Wildfire Likelihood0.2% annual chance
ExposureDirect
burnable vegetation

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 257 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Frontier
Fiber
7,000 / 7,000
Spectrum
Cable
1,000 / 50
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

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