12045 Kostopolous Ave, Boron, CA 93516 Property Records

Kern County property record for 12045 Kostopolous Ave, Boron, CA 93516

Property Summary

Property TypeDuplex
Details2 bd · 1 ba · 1,688 sqft · built 1945
Lot Size0.474 acres (20,635 sqft)
OwnerCompany Name on Record
Last Sale$45,500 (Apr 2023)
Tax Bill$931 (2025)
Deeds & MortgagesApr 2023 Sale
Flood ZoneZone X (minimal risk)
APN231-351-18-00-6

Property Details

APN / Parcel Number

Primary APN231-351-18-00-6
Alternative APNs
  • 231-351-18-0
  • 2313511800
  • 23135118

Interior

Bedrooms3 Beds
Full Baths1 Bath
Stories1 Story
Building Area1,688 sqft Living Area
Gross Area1,264 sqft
1st Floor Area1,264 sqft

Exterior

Year BuiltBuilt 1945
Effective Year BuiltEffective 1945
Architectural StyleDuplex Single
Construction TypeFrame
Lot Area20,635 sqft (0.474 acres)
PorchPorch
Porch Area165 sqft

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace

Location & Zoning

Account Number231351180
Street Address12045 KOSTOPOLOUS AVE
CityBORON
StateCA
Zip93516-1802
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR-3
Legal DescriptionSECTION 32 , TOWNSHIP 11 , RANGE 7 , QUARTER
Legal Block2
JurisdictionKERN CA
Township / Civil DivisionEAST KERN
Census Block Group2
Census Block2056
Census Tract5600

Owner

Source: Kern County records, as of August 6, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on Record
Mailing Address16956 DESERITA AVE, EDWARDS, CA 93523-3413
Owner TypeCompany
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 24, 2023 · Amount on Record
Deed SaleApr 24, 2023 · Amount on Record
Prior SaleAug 30, 2002 · Amount on Record
Deed Document Number202348181
Prior Transfer DateJan 9, 1996
Prior Transfer Doc0000021903
Record UpdatedOct 29, 2026

April 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionKERN CA
Recording DateApr 24, 2023
Property Address12045 KOSTOPOLOUS AVE, BORON, CA 93516-1802
Document Number0000048181
Instrument DateApr 18, 2023
Instrument223048181
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyCalculated from Transfer Tax
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address16956 DESERITA AVE, NORTH EDWARDS, CA 93523-3413

Tax Assessment & Valuation

Source: Kern County assessment roll, as of August 6, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyKern County
Unified School DistrictMuroc Joint Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$48,284 (+2%) Land $10,612 Building $37,672
2025$931.00 (+28.06%)$47,338 (+51.91%) Land $10,404 Building $36,934
2023$727.00 (+5.52%)$31,162 Land $8,088 Building $23,074
2022$689.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective April 30, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 10 policies
Community Rating SystemClass 9 (5% premium discount)
Nearby Flood Policies10 in force

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 67% of the US · lower than 81% of California
Wildfire Likelihood0.02% 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 SystemBORON CSD
serves 2,086 people · EPA ID CA1510002
Water SourcePurchased surface water from ANTELOPE VALLEY E KERN WTR AGY-ROSAMOND
Last State InspectionOct 2024
Also Mapped HereDESERT LAKE COMM SERV DIST, ANTELOPE VALLEY EAST KERN WATER AGENCY
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityArsenic
resolved · Jul 2018
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 50 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Frontier
Fiber
5,000 / 5,000
Spectrum
Cable
1,000 / 1,000
Race Communications
Fiber
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

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