R4A

R4A districts, similar to R3A and R3X districts, permit only one- and two-family detached residences. Differences in the maximum permitted **floor area ratio (FAR)** and minimum required lot size, however, result in differences in the typical buildings found in each district. Characterized by houses with two stories and an attic beneath a pitched roof, R4A districts have an FAR of up to 0.75 (plus an **attic allowance**) and a minimum lot width of 30 feet. The districts are usually mapped in older neighborhoods, such as Woodlawn and Throgs Neck in the Bronx.

As in R3A and R3X districts, the **perimeter wall** of a house may rise to 21 feet before sloping or being set back to the maximum building height of 35 feet. The amount of required **open space** in R4A districts is governed by yard requirements: a front yard at least 10 feet deep and at least as deep as an adjacent front yard up to a depth of 20 feet; a 30-foot-deep rear yard; and two side yards that total at least 10 feet and a minimum width of two feet each. One off-street parking space is required for each dwelling unit. Parking must be located in a driveway along a **side lot ribbon** if the lot is less than 35 feet wide. If the lot is 35 feet or wider, a garage is permitted within the house, provided the driveway is at least 18 feet deep.

Woodlawn

<table>
  <caption>Single- and Two-Family Detached Residences</caption>
  <thead>
    <tr>
      <th rowspan="2">R4A<sup>1</sup></th>
      <th rowspan="2">Lot Width (min)</th>
      <th rowspan="2">Lot Area (min)</th>
      <th rowspan="2">FAR (max)</th>
      <th rowspan="2">Front Yard (min)</th>
      <th rowspan="2">Rear Yard (min)</th>
      <th colspan="3">Side Yards (min)</th>
      <th rowspan="2">Building Height/ Perimeter Wall (max)</th>
      <th rowspan="2">Required Parking (min)</th>
    </tr>
    <tr>
      <th>#</th>
      <th>Total</th>
      <th>Each</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td></td>
      <td>30 ft</td>
      <td>2,850 sf</td>
      <td>0.75<sup>2</sup></td>
      <td>10 ft<sup>3</sup></td>
      <td>30 ft</td>
      <td>2</td>
      <td>10 ft</td>
      <td>2 ft<sup>4</sup></td>
      <td>35 ft/21 ft</td>
      <td>1 per dwelling unit</td>
    </tr>
  </tbody>
</table>

¹ Regulations may differ in Lower Density Growth Management Areas

² FAR may be increased up to 20% for attic allowance

³ Front yard must be at least as deep as an adjacent front yard with a minimum depth of 10 feet

⁴ Minimum of 8 feet required between buildings on adjacent zoning lots

## INCLUSIONARY HOUSING PROGRAM

The Inclusionary Housing Program permits additional bulk in return for the provision of below-market-rate housing ("affordable housing") for low-, moderate- and middle-income households. In the districts where the program is available, a developer may opt to set aside a portion of the units within the building at below-market rates, or provide new or rehabilitated affordable units off-site, in exchange for an increase in the maximum floor area permitted in the district. (See Section 23-90 of the Zoning Resolution.)

Initially applicable only in districts permitting R10 density, the Inclusionary Housing Program was extended in 2005 to other medium- and higher-density areas, such as Greenpoint-Williamsburg in Brooklyn, where extensive zoning changes are creating new housing opportunities for economically diverse communities.