New York City property record for 4339 Byron Ave, Bronx, NY 10466
| Property Type | Duplex |
|---|---|
| Details | 3,240 sqft · built 1925 |
| Lot Size | 0.082 acres (3,555 sqft) |
| Owner | Company Name on File |
| Last Sale | $850,000 (Apr 2025) |
| Tax Bill | $6,923 (2025) |
| Deeds & Mortgages | Jun 2026 Mortgage |
| APN | 05044-0047 |
| Primary APN | 05044-0047 |
|---|---|
| Alternative APNs |
|
| Units | 2 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,240 sqft Living Area |
| 1st Floor Area | 1,200 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Duplex Single |
| Construction Type | Frame |
| Lot Area | 3,555 sqft (0.082 acres) |
| Lot Dimensions | 95 ft deep x 37.4 ft wide |
| Account Number | 2-05044-0047 |
|---|---|
| Street Address | 4339 BYRON AVE |
| City | BRONX |
| State | NY |
| Zip | 10466-1607 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R5 |
| Legal Subdivision | WHITEHALL REALTY CO |
| Legal Block | 5044 |
| Legal Lot Number | 47 |
| Jurisdiction | BRONX NY |
| Township / Civil Division | BRONX |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 43400 |
4339 Byron Ave, a duplex, is owned by a company that bought it in April 2025.
Source: New York City records, as of July 7, 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 | Company Name on File |
|---|---|
| Mailing Address | 18 RIVERS DR, GREAT NECK, NY 11020-1432 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 28, 2025 · Amount on File |
| Deed Sale | Apr 28, 2025 · Amount on File |
| Deed Document Number | 2025113549 |
| Prior Transfer Date | Nov 4, 2015 |
| Prior Transfer Doc | 0000408538 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BRONX NY |
| Recording Date | Jun 25, 2026 |
| Property Address | 4339 BYRON AVE, BRONX, NY 10466-1607 |
| Document Number | 0000175033 |
| Instrument Date | Jun 5, 2026 |
| Instrument | 2026175033 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0000175033, |
|---|---|
| Date | Jun 25, 2026 |
| Instrument | 2026175033 |
| Name | LOAN FUNDER LLC |
|---|
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Rate | 6.37% |
|---|---|
| Max Rate | -1% |
The 2025 property tax bill for 4339 Byron Ave was $6,923, up 6% from the year before.
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 | $34,733 (+0.76%) Land $5,610 Building $29,123 | $941,000 (+9.04%) Land $152,000 Building $789,000 | |
| 2025 | $6,923.00 (+6%) | $34,472 Land $6,072 Building $28,400 | $863,000 Land $152,000 Building $711,000 |
| 2024 | $6,531.00 (+5.99%) | ||
| 2023 | $6,162.00 | $30,680 Land $5,851 Building $24,829 | $797,000 Land $152,000 Building $645,000 |
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 4339 Byron Ave; there have been 1 flood claim nearby since 2007.
Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Claims | 1 (2007) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Apr 2007 · 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.
The area around 4339 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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