Sprinkler and Plumbing Modifications at 170 William Street, Manhattan
170 WILLIAM STREET, Manhattan, 10038 · Financial District-Battery Park City
What was permitted
For those in the Financial District-Battery Park City area of Manhattan, a significant plumbing and sprinkler project is underway at 170 William Street. This work involves modifications to accommodate alterations within an existing hospital building.
The permit for these sprinkler and plumbing modifications was issued on June 25, 2026, with an estimated project cost of $780,000. RIEHM PLUMBING CORP (P) is the plumbing contractor for this extensive renovation.
A substantial $780,000 project involving sprinkler and plumbing modifications is being undertaken in a Manhattan hospital building.
What it cost
Issued
June 25, 2026
Expires
May 10, 2027
License
Master Plumber
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Filed by RIEHM PLUMBING CORP · 5 permits across 3 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 930938784 |
| Work Permit # | M01350659-S3-PL |
| Job Filing Number | — |
| Work Type | Plumbing |
| Status | Permit Issued |
| Job Description | LMH OB 6 FL: SPRINKLER & PLUMBING MODIFICATIONS TO ACCOMMODATE ALTERATIONS WITHIN THE EXISTING HOSPITAL BUILDING AS PER PLANS. |
| Floor / Unit | Floor Number(s) 6 through 6, Floor Number(s) 5 through 5 |
| Estimated Cost | $780,000 |
| Approved | February 26, 2026 |
| Issued | June 25, 2026 |
| Expires | May 10, 2027 |
| BBL | — |
| BIN | — |
Property Owner
NEW YORK PRESBYTERIAN HOSPITAL
BENEDICT CIFERRI