ZoneLens Report
Buildable Envelope Report
Maximum development capacity analysis
330 West 42nd Street — Manhattan, Block 01014, Lot 0001
C6-4 • Midtown Special District
Envelope Summary
Max Buildable
230,500
sq ft (at 10.0 FAR)
With Bonus
276,600
sq ft (at 12.0 FAR)
Existing Built
142,910
sq ft (6.2 FAR)
Remaining
87,590
sq ft available
FAR Utilization
Built: 6.2 FAR
Base: 10.0 FAR
Bonus: 12.0 FAR
62% of Base FAR Used
▲ Built (6.2)
Available (3.8) ▲
Bonus ▲
Height & Floor Analysis
| Height Limit | No fixed limit |
| Sky Exposure Plane | Starts at 85 ft |
| Street Wall Height | 60–85 ft required |
| Estimated Max Height | ~320 ft |
| Estimated Floors | ~26 floors |
| Avg Floor Plate | ~8,870 sq ft |
| Lot Coverage | 100% permitted |
| Frontage | 100 ft (W 42nd St) |
| Lot Depth | ~230 ft |
| Mechanical Deduction | ~5% est. |
Estimated Unit Counts
| Scenario | GFA | Residential Units | Parking Spaces | Avg Unit Size |
|---|---|---|---|---|
| Base FAR (10.0) | 230,500 sf | 271 units | 190 spaces | 850 sf |
| Bonus FAR (12.0) | 276,600 sf | 325 units | 228 spaces | 850 sf |
| Remaining (add-on) | 87,590 sf | 103 units | 72 spaces | 850 sf |
Assumptions: avg residential unit = 850 sf, parking ratio = 0.7 (urban). Commercial space not included in unit counts. Mechanical/core deduction ~5%.
Setback Requirements
Front
0 ft
Street wall required
Side (Interior)
0 ft
None required
Rear
30 ft
Above first setback
Tower (above 85 ft)
10 ft
Sky exposure plane
Disclaimer: This report is generated by ZoneLens using publicly available data. It is intended for preliminary screening purposes only and does not constitute legal, financial, or engineering advice. Verify all information with qualified professionals before making investment decisions.
Generated: March 11, 2026 • ZoneLens v0.3.0
Report ID: RPT-ENVE-2026-00142