New York City property record for 4258 Byron Ave, Bronx, NY 10466
| Property Type | Duplex |
|---|---|
| Details | 2,416 sqft · built 1930 |
| Lot Size | 0.059 acres (2,580 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $749,000 (Mar 2022) |
| Tax Bill | $7,302 (2025) |
| Deeds & Mortgages | Mar 2022 Sale & Mortgage |
| APN | 04999-0011 |
| Primary APN | 04999-0011 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,416 sqft Living Area |
| 1st Floor Area | 1,102 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Duplex Single |
| Construction Type | Frame |
| Lot Area | 2,580 sqft (0.059 acres) |
| Lot Dimensions | 100 ft deep x 25.8 ft wide |
| Account Number | 2-04999-0011 |
|---|---|
| Street Address | 4258 BYRON AVE |
| City | BRONX |
| State | NY |
| Zip | 10466-3117 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R5 |
| Legal Block | 4999 |
| Legal Lot Number | 11 |
| Jurisdiction | BRONX NY |
| Township / Civil Division | BRONX |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 43400 |
4258 Byron Ave, a duplex, is owned by two individuals who bought it in March 2022.
Source: New York City records, as of April 29, 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 Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1160 MIDLAND AVE, 10L, BRONXVILLE, NY 10708-6428 |
| Owner Type | Individual |
| Vesting | Individual(s) |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 15, 2022 · Amount on File |
| Deed Sale | Mar 15, 2022 · Amount on File |
| Prior Sale | May 5, 2004 · Amount on File |
| Deed Document Number | 2022111120 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | BRONX NY |
| Recording Date | Mar 15, 2022 |
| Property Address | 4258 BYRON AVE, BRONX, NY 10466-3117 |
| Document Number | 0000111120 |
| Instrument Date | Mar 4, 2022 |
| Instrument | 2022000111120 |
| Transaction Type | Transfer |
| Record Updated | Mar 21, 2022 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 4258 BYRON AVE, 4258, BRONX, NY 10466-3117 |
| Name | Verified Name |
|---|---|
| Address | 1160 MIDLAND AVE APT 10L, 10L, BRONXVILLE, NY 10708-6428 |
| Document Number | 0000111121 |
|---|---|
| Date | Mar 15, 2022 |
| Instrument | 2022000111121 |
| Name | CALIBER HOME LOANS, INC. |
|---|
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 4258 Byron Ave was $7,302.
Source: New York City assessment roll, as of April 29, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Bronx County |
| Municipality | New York City |
| Unified School District | New York City Department Of Education (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $36,634 Land $5,656 Building $30,978 | $842,000 Land $130,000 Building $712,000 | |
| 2025 | $7,302.00 | ||
| 2023 | $6,499.00 | $32,359 Land $5,770 Building $26,589 | $729,000 Land $130,000 Building $599,000 |
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.
FEMA has no flood map on file for 4258 Byron Ave.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
The area around 4258 Byron Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 | NEW YORK CITY SYSTEM serves 8,271,000 people · EPA ID NY7003493 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2025 |
| Lead | 10 ppb (2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Uncovered finished water reservoir currently in violation since Feb 2017 |
| 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 1,496 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| T-Mobile Fixed Wireless | 100 / 20 |
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