New York City property record for 4427 Byron Ave, Bronx, NY 10466
| Property Type | Triplex |
|---|---|
| Details | 3,150 sqft · built 1994 |
| Lot Size | 0.09 acres (3,897 sqft) |
| Owner | Individual Name on File |
| Last Sale | $315,000 (Mar 1997) |
| Tax Bill | $7,271 (2025) |
| APN | 05071-0147 |
| Primary APN | 05071-0147 |
|---|---|
| Alternative APNs |
|
| Units | 3 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 3,150 sqft Living Area |
| 1st Floor Area | 1,144 sqft |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Architectural Style | Triplex |
| Lot Area | 3,897 sqft (0.09 acres) |
| Lot Dimensions | 97.4 ft deep x 40 ft wide |
| Account Number | 2-05071-0147 |
|---|---|
| Street Address | 4427 BYRON AVE |
| City | BRONX |
| State | NY |
| Zip | 10466-1277 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | R5 |
| Legal Block | 5071 |
| Legal Lot Number | 147 |
| Jurisdiction | BRONX NY |
| Township / Civil Division | BRONX |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 43400 |
4427 Byron Ave, a triplex, is owned by an individual who bought it in March 1997.
Source: New York City records, as of April 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 56 N 10TH AVE, 1, MOUNT VERNON, NY 10550-2066 |
| Owner Type | Individual |
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 | Mar 11, 1997 · Amount on File |
| Deed Sale | Mar 11, 1997 · Amount on File |
| Deed Book / Page | 1450 / 676 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 4427 Byron Ave was $7,271.
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 | $38,374 Land $5,394 Building $32,980 | $1,188,000 Land $167,000 Building $1,021,000 | |
| 2025 | $7,271.00 | ||
| 2023 | $7,114.00 | $35,424 Land $5,994 Building $29,430 | $987,000 Land $167,000 Building $820,000 |
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 4427 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 4427 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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