1240 Oates Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 1240 Oates Dr, Diamond Bar, CA 91765

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,507 sqft · built 1980
Lot Size0.226 acres (9,840 sqft)
Owner2 Individual Names on Record
Last Sale$950,000 (Apr 2022)
Tax Bill$12,582 (2025)
Deeds & MortgagesApr 2022 Transfer
Apr 2022 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN8701-031-005

Property Details

APN / Parcel Number

Primary APN8701-031-005

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,507 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1980
Effective Year BuiltEffective 1980
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof TypeGable
Roof MaterialWood Shingle
Lot Area9,840 sqft (0.226 acres)
Lot Dimensions151 ft deep x 66 ft wide

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address1240 OATES DR
CityDIAMOND BAR
StateCA
Zip91765-2362
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR18000*
Legal Description*TR=35026 LOT 56
Legal Subdivision35026
Legal Tract35026
Legal Block1
Legal Lot Number56
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group1
Census Block1006
Census Tract403320

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 Individual Names on Record
Mailing Address1240 OATES DR, DIAMOND BAR, CA 91765-2362
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Apr 6, 2022Affidavit of Death of Trustee, Transfer
LAWYERS TITLE
Apr 6, 2022Affidavit of Death of Trustee, Transfer
LAWYERS TITLE
Apr 6, 2022Grant Deed, Transfer · Conventional Mortgage
PNC BANK NA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 6, 2022 · Amount on Record
Deed SaleApr 6, 2022 · Amount on Record
Deed Document Number2022382608
Record UpdatedOct 29, 2026

April 2022: Affidavit of Death of Trustee, Transfer

Document TypeAffidavit of Death of Trustee
JurisdictionLOS ANGELES CA
Recording DateApr 6, 2022
Property Address1240 OATES DR, DIAMOND BAR, CA 91765-2362
Document Number0000382607
Map ReferenceMB 919 PG 31-37
Instrument DateMar 21, 2022
Instrument22-0382607
Transaction TypeTransfer
Record UpdatedJun 7, 2023
Title CompanyLAWYERS TITLE

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address23010 HADDOCK ST, DIAMOND BAR, CA 91765-1224

April 2022: Affidavit of Death of Trustee, Transfer

Document TypeAffidavit of Death of Trustee
JurisdictionLOS ANGELES CA
Recording DateApr 6, 2022
Property Address1240 OATES DR, DIAMOND BAR, CA 91765-2362
Document Number0000382606
Map ReferenceMB 919 PG 31-37
Instrument DateMar 21, 2022
Instrument22-0382606
Transaction TypeTransfer
Record UpdatedJun 7, 2023
Title CompanyLAWYERS TITLE

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address23010 HADDOCK ST, DIAMOND BAR, CA 91765-1224

April 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateApr 6, 2022
Property Address1240 OATES DR, DIAMOND BAR, CA 91765-2362
Document Number0000382608
Map ReferenceMB 919 PG 31-37
Instrument DateMar 14, 2022
Instrument22-0382608
Transaction TypeTransfer
Record UpdatedApr 13, 2022
Title CompanyLAWYERS TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address1240 OATES DR, DIAMOND BAR, CA 91765-2362

Mortgage

Document Number0000382609
DateApr 6, 2022
Instrument22-0382609
Lender
NamePNC BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2052

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$1,028,308 (+2%) Land $776,644 Building $251,664
2025$12,582.00 (+6.76%)$1,008,146 (+4.04%) Land $761,416 Building $246,730
2023$11,785.00 (+321.34%)$969,000 Land $731,850 Building $237,150
2022$2,797.00

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 63% of the US · lower than 61% of California
Wildfire Likelihood0.1% 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 344 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable
1,000 / 1,000

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

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