23151 Rio Lobos Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23151 Rio Lobos Rd, Diamond Bar, CA 91765

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,449 sqft · built 1984
Lot Size0.202 acres (8,804 sqft)
Owner2 Individual Names on File
Last Sale$549,000 (Feb 2013)
Tax Bill$8,679 (2025)
Flood ZoneZone X (minimal risk)
APN8717-029-066

Property Details

APN / Parcel Number

Primary APN8717-029-066

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Building Area1,449 sqft Living Area

Exterior

Year BuiltBuilt 1984
Effective Year BuiltEffective 1984
Construction TypeWood
Lot Area8,804 sqft (0.202 acres)

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address23151 RIO LOBOS RD
CityDIAMOND BAR
StateCA
Zip91765-4135
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR3800025
Legal DescriptionTR=37034 LOT 12
Legal Subdivision37034
Legal Tract37034
Legal Block2
Legal Lot Number12
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group2
Census Block2006
Census Tract403319

Owner

Source: Los Angeles County records, as of August 25, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on File
Mailing Address100 N CITRUS ST # 525, 525, DIAMOND BAR, CA 91765
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 4, 2013 · Amount on File
Deed SaleFeb 4, 2013 · Amount on File
Prior SaleMar 29, 1995 · Amount on File
Deed Document Number20130179507
Record UpdatedOct 29, 2026

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$689,561 (+2%) Land $431,323 Building $258,238
2025$8,679.00 (+7.04%)$676,041 (+4.04%) Land $422,866 Building $253,175
2023$8,108.00 (+2.13%)$649,792 Land $406,447 Building $243,345
2022$7,939.00

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 52% of the US · lower than 69% of California
Wildfire Likelihood0.09% 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 464 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
Verizon
Fixed Wireless
300 / 20
Starlink
Satellite
280 / 30
T-Mobile
Fixed Wireless
100 / 20
AT&T
Fixed Wireless
100 / 20

May also be available: Frontier, GeoLinks.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Rio Lobos Rd

Nearby Streets

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