New York City Zoning R4 Infill

ZONE R4 Infill

(Non-contextual)

What is R4 Infill? The whole Block that your property is located in, must be within R4, (nothing else, just R4 with no suffix) and considered as Predominantly Built Up Area

then you are able to do your property zoning calculation with 1.35 FAR, which is bigger than R4’s FAR.

Applicable Use:

Use group 1 Detached (single family)
Use group 2 Detached / semi-detached / attached (single and two family)
Use group 2 for all conditions (multi-family)
Use group 3 and 4 (community facility use)

Applicable bulk:

LOT

Minimum Lot area: Detached/zero lot line 3,800 sf
Other conditions: 1,700 sf

Minimum Lot width: Detached/zero lot line: 40 sf
Other conditions: 18 ft

YARD

Minimum Front yard: just 18 ft

Minimum Side Yards (interior or Through lots)
Detached or zero lot line

(2 side yards / each, 5 ft / total 13 ft)

Semi-detached

(1 side yard / total 8 ft)

Multi-family

(2 side yards / each, 8 ft / total 16 ft)

Minimum Rear Yard: 30 ft
Maximum Lot Coverage: 55%
Open Space Ratio: N/A
FAR (floor area ratio) residential: 1.35 / with attic allowance N/A
Community facility: 2.0

Sky Exposure Plane: N/A
Maximum Street / Perimeter wall: 25 ft
Maximum Building Height: 35 ft.
Dwelling unit factor: detached and semi-detached: 900
Other conditions: 900

Required Parking:

66% of Dwelling Units

Income Restricted Housing Units (IRHU) :

• outside Transit Zone: 50%
• inside Transit Zone: 0%

Affordable Independent Residence for Seniors (AIRS):

• outside Transit Zone: 10%
• inside Transit Zone: 0%