Paper-prepared

15 William Street

Manhattan · Condo

Condo

Type

320

Units

2005

Year built

Manhattan

Borough

R0 · Special Condominium Billing Lot

Public records

What we know about 15 William Street

Sales (5yr)

77

Median price

$1.05M

Avg price per square foot

$1,218

Last sale

Aug 2026

Open violations

66

Violations (5yr)

1

Permits (5yr)

11

Latest Jan 2026

Energy Star

75 · 2023

Last C of O

Jun 2015

Issued

Recent closed sales

DateUnitBeds / BathsSFPrice
Aug 202615C1 / 1832$955,000
Jul 202614C1 / 1832$950,000
Jun 202610G1 / 1850$825,000
Jun 202615H2 / 21,373$1,445,000
Jun 202621A2 / 21,325$1,445,000
Source: NYC ACRIS · public record