23817 Decorah Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23817 Decorah Rd, Diamond Bar, CA 91765

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 2,240 sqft · built 1964
Lot Size0.188 acres (8,198 sqft)
OwnerCompany Name on Record
Last Sale$800,000 (Jan 2026)
Tax Bill$3,669 (2025)
Deeds & MortgagesJan 2026 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN8703-014-001

Property Details

APN / Parcel Number

Primary APN8703-014-001

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms12 Rooms
Stories2 Stories
Building Area2,240 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1964
Effective Year BuiltEffective 1966
Architectural StyleConventional
Exterior MaterialStucco
Construction TypeWood
Roof TypeGable
Roof MaterialWood Shingle
Lot Area8,198 sqft (0.188 acres)
Lot Dimensions115 ft deep x 71 ft wide
Garage TypeAttached

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Water SourceCommercial

Location & Zoning

Street Address23817 DECORAH RD
CityDIAMOND BAR
StateCA
Zip91765-1406
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeLCR18000*
Legal DescriptionTRACT NO 27530 LOT 94
Legal Subdivision27530
Legal Tract27530
Legal Block3
Legal Lot Number94
JurisdictionLOS ANGELES CA
Township / Civil DivisionEAST SAN GABRIEL VALLEY
Census Block Group3
Census Block3003
Census Tract403316

Owner

Source: Los Angeles County records, as of October 19, 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 RecordCompany Name on Record
Mailing Address16700 VALLEY VIEW AVE, 190, LA MIRADA, CA 90638-5837
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 23, 2026 · Amount on Record
Deed SaleJan 23, 2026 · Amount on Record
Deed Document Number202656109
Prior Transfer DateNov 2, 2005
Prior Transfer Doc0002696875
Record UpdatedOct 29, 2026

January 2026: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateJan 23, 2026
Property Address23817 DECORAH RD, DIAMOND BAR, CA 91765-1406
Document Number0000056109
Map ReferenceMB 714 PG 76-80
Instrument DateJan 20, 2026
Instrument26-0056109
Transaction TypeTransfer
Record UpdatedFeb 5, 2026
Title CompanyTICOR TITLE COMPANY OC, TICOR TITLE COMPANY OF CA

Transaction

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

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address16700 VALLEY VIEW AVE STE 190, 190, LA MIRADA, CA 90638-5837
InvestorPossibly a Property Investor

Mortgage

Document Number0000056110
DateJan 23, 2026
Instrument26-0056110
Lender
NameKIAVI FUNDING INC
TypeMortgage Company
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

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 DistrictPomona Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$233,242 (+2%) Land $65,426 Building $167,816
2025$3,669.00 (+11.69%) Homeowner's exemption$228,670 (+4.04%) Land $64,144 Building $164,526
2024$3,285.00 (+1.83%)
2023$3,226.00 (+1.73%) Homeowner's exemption$219,792 Land $61,654 Building $158,138
2022$3,171.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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
Nearby Flood Claims1 (1980)
Most Recent ClaimFeb 1980 · rainfall accumulation

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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond 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 519 locations within half a mile, as of December 31, 2025

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

May also be available: Frontier, GeoLinks, T-Mobile.

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