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1007 S Romney Dr, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 1007 S Romney Dr, Diamond Bar, CA 91789

Property Summary

Property TypePlanned Unit Development
Details2 bd · 3 ba · 1,378 sqft · built 1980
Lot Size0.061 acres (2,667 sqft)
Owner2 Individual Names on Record
Last Sale$478,000 (May 2018)
Tax Bill$7,030 (2025)
Deeds & MortgagesMay 2018 Sale
Flood ZoneZone X (minimal risk)
APN8763-013-115

Property Details

APN / Parcel Number

Primary APN8763-013-115

Interior

Bedrooms2 Beds
Full Baths3 Baths
Total Rooms8 Rooms
Stories2 Stories
Building Area1,378 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1980
Effective Year BuiltEffective 1980
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof TypeGable
Roof MaterialTile
Lot Area2,667 sqft (0.061 acres)
Lot Dimensions81 ft deep x 33 ft wide

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Water SourceCommercial

Location & Zoning

Street Address1007 S ROMNEY DR
CityWALNUT
StateCA
Zip91789-4805
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Planned Unit Development
Local Zoning CodeLCRPD20000
Legal Description*TR=34157 LOT 115
Legal Subdivision34157
Legal Tract34157
Legal Block3
Legal Lot Number115
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group3
Census Block3000
Census Tract408707

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 Address21474 COLD SPRING LN, DIAMOND BAR, CA 91765-3813
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 31, 2018 · Amount on Record
Deed SaleMay 31, 2018 · Amount on Record
Prior SaleMar 31, 1999 · Amount on Record
Deed Document Number2018536659
Prior Transfer DateMay 19, 1994
Prior Transfer Doc0001255927
Record UpdatedOct 29, 2026

May 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateMay 31, 2018
Property Address1007 S ROMNEY DR, DIAMOND BAR, CA 91789-4805
Document Number0000536659
Instrument DateApr 24, 2018
Instrument536659
Transaction TypeTransfer
Record UpdatedNov 21, 2018
Title CompanyCORINTHIAN TITLE COMPANY, CORINTHIAN TITLE CO

Transaction

AmountAmount Recorded
Tax$525.80
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address21474 COLD SPRING LN DIAMOND BAR CA 917653813, DIAMOND BAR, CA 91765-3813

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$554,754 (+2%) Land $232,114 Building $322,640
2025$7,030.00 (+7.67%)$543,877 (+4.04%) Land $227,563 Building $316,314
2023$6,529.00 (+2.16%)$522,759 Land $218,727 Building $304,032
2022$6,391.00

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 RiskNot rated
no burnable land within 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 496 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
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks, Verizon.

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