Kern County property record for 12125 Kostopolous Ave, Boron, CA 93516
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 732 sqft · built 1941 |
| Lot Size | 0.314 acres (13,678 sqft) |
| Owner | Individual Name on File |
| Last Sale | $4,200 (Apr 2024) |
| Tax Bill | $60 (2025) |
| Deeds & Mortgages | Apr 2024 Foreclosure |
| Flood Zone | Zone X (minimal risk) |
| APN | 231-370-20-6 |
| Primary APN | 231-370-20-6 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Total Rooms | 4 Rooms |
| Construction Type | Frame |
|---|---|
| Lot Area | 13,678 sqft (0.314 acres) |
| Porch | Porch |
| Porch Area | 128 sqft |
| Heating System | Floor/Wall Furnace |
|---|
| Account Number | 231370206 |
|---|---|
| Street Address | 12125 KOSTOPOLOUS AVE |
| City | BORON |
| State | CA |
| Zip | 93516-1804 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-3 |
| Legal Description | SECTION 32 , TOWNSHIP 11 , RANGE 7 , QUARTER |
| Legal Range | 07 |
| Legal Township | 11 |
| Legal Section | 32 |
| Legal Block | 2 |
| Jurisdiction | KERN CA |
| Township / Civil Division | EAST KERN |
| Census Block Group | 2 |
| Census Block | 2049 |
| Census Tract | 5600 |
12125 Kostopolous Ave is owned by an individual who bought it in April 2024.
Source: Kern County records, as of August 6, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1001 W IMPERIAL HWY, 2411, LA HABRA, CA 90632-7122 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 18, 2024 · Amount on File |
| Deed Sale | Apr 18, 2024 · Amount on File |
| Deed Document Number | 202444628 |
| Prior Transfer Date | Jun 5, 1996 |
| Prior Transfer Doc | 0000072498 |
| Record Updated | Sep 20, 2026 |
| Document Type | Public Action |
|---|---|
| Jurisdiction | KERN CA |
| Recording Date | Apr 18, 2024 |
| Property Address | 12125 KOSTOPOLOUS AVE, BORON, CA 93516-1804 |
| Document Number | 0000044628 |
| Instrument Date | Apr 15, 2024 |
| Instrument | 224044628 |
| Transaction Type | Foreclosure |
| Record Updated | Apr 30, 2024 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Tax Sale |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
The 2025 property tax bill for 12125 Kostopolous Ave was $60.
Source: Kern County assessment roll, as of August 6, 2026
| Type | Name |
|---|---|
| State | California |
| County | Kern County |
| Unified School District | Muroc Joint Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $4,369 (+1.98%) Land $4,369 | |
| 2025 | $60.00 | $4,284 Land $4,284 |
| 2023 | $72.00 (+4.35%) | $5,132 Land $5,132 |
| 2022 | $69.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 12125 Kostopolous Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective April 30, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 10 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 risk around 12125 Kostopolous Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | BORON CSD serves 2,086 people · EPA ID CA1510002 |
|---|---|
| Water Source | Purchased surface water from ANTELOPE VALLEY E KERN WTR AGY-ROSAMOND |
| Last State Inspection | Oct 2024 |
| Also Mapped Here | DESERT LAKE COMM SERV DIST, ANTELOPE VALLEY EAST KERN WATER AGENCY |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Arsenic resolved · Jul 2018 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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.
Source: FCC Broadband Data Collection, based on 50 locations within half a mile, as of December 31, 2025
| Provider | Max 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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