1. Home
  2. California
  3. Los Angeles County
  4. Diamond Bar
  5. Jon Ct

519 Jon Ct, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 519 Jon Ct, Diamond Bar, CA 91765

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,305 sqft · built 1987
Lot Size0.28 acres (12,190 sqft)
Owner2 Company Names on Record
Last Sale$630,000 (Feb 2018)
Tax Bill$9,740 (2025)
Deeds & MortgagesOct 2019 Transfer
Jun 2019 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN8281-038-026

Property Details

APN / Parcel Number

Primary APN8281-038-026

Interior

Bedrooms3 Beds
Full Baths2 Baths
Building Area1,305 sqft Living Area

Exterior

Year BuiltBuilt 1987
Effective Year BuiltEffective 1987
Construction TypeWood
Lot Area12,190 sqft (0.28 acres)

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address519 JON CT
CityDIAMOND BAR
StateCA
Zip91765-1851
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR115000-
Legal DescriptionTR=42579 LOT 40
Legal Subdivision42579
Legal Tract42579
Legal Block1
Legal Lot Number40
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group1
Census Block1000
Census Tract403321

Owner

Source: Los Angeles County records, as of June 4, 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 Address17581 IRVINE BLVD, 200, TUSTIN, CA 92780-3124
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

DateDocument
Oct 9, 2019Quit Claim Deed, Transfer
NOT AVAILABLE
Jun 25, 2019Quit Claim Deed, Transfer
NOT AVAILABLE
Feb 15, 2018Grant Deed, Transfer
WFG TITLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 15, 2018 · Amount on Record
Deed SaleFeb 15, 2018 · Amount on Record
Prior SaleJun 5, 1998 · Amount on Record
Deed Document Number2018156458
Prior Transfer DateOct 21, 1998
Prior Transfer Doc0651390
Record UpdatedSep 20, 2026

October 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionLOS ANGELES CA
Recording DateOct 9, 2019
Property Address519 JON CT, DIAMOND BAR, CA 91765-1851
Document Number0001068330
Instrument DateJun 28, 2019
Instrument1068330
Transaction TypeTransfer
Record UpdatedOct 30, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address17700 CASTLETON ST #383 CITY OF INDUSTRY CA 917485873, 383, CITY OF INDUSTRY, CA 91748-5873

June 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionLOS ANGELES CA
Recording DateJun 25, 2019
Property Address519 JON CT, DIAMOND BAR, CA 91765-1851
Document Number0000606165
Instrument DateMay 30, 2019
Instrument606165
Transaction TypeTransfer
Record UpdatedJul 3, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address17700 CASTLETON ST #383 CITY OF INDUSTRY CA 917485873, 383, CITY OF INDUSTRY, CA 91748-5873

February 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateFeb 15, 2018
Property Address519 JON CT, DIAMOND BAR, CA 91765-1851
Document Number0000156458
Instrument DateJan 17, 2018
Instrument156458
Transaction TypeTransfer
Record UpdatedFeb 20, 2018
Title CompanyWFG TITLE

Transaction

AmountAmount Recorded
Tax$693.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address17700 CASTLETON ST #383 CITY OF INDUSTRY CA 917485873, 383, CITY OF INDUSTRY, CA 91748-5873

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 DistrictPomona Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2025$9,740.00 (+8.1%)$716,825 (+4.04%) Land $573,462 Building $143,363
2024$9,010.00 (+1.99%)
2023$8,834.00 (+1.54%)$688,992 Land $551,195 Building $137,797
2022$8,700.00

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 RiskModerate
above 46% of the US · lower than 72% of California
Wildfire Likelihood0.08% 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 487 locations within half a mile, as of December 31, 2025

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

May also be available: GeoLinks.

Nearby Properties on Jon Ct

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures