357 LEONARD STREET, BROOKLYN, 11211 · East Williamsburg
This permit details mechanical systems work for installing split AC units throughout a three-story residential building in East Williamsburg. This is helpful for homeowners considering HVAC upgrades in similar properties.
Issued on June 8, 2026, the project has an estimated cost of $70,000 and no changes to egress, occupancy, or use are involved. LT PRO CONSTRUCTION INC (GC) is the contractor.
For residential buildings in East Williamsburg, installing split AC units can cost around $70,000.
Issued
June 8, 2026
Expires
September 7, 2026
License
General Contractor
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Filed by LT PRO CONSTRUCTION INC · 45 permits across 20 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 143600201 |
| Work Permit # | B01108576-S3-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | FILE JOB FOR AN EXISTING 3-STY RESIDENTIAL BUILDING. PROPOSED SPLIT UNITS ONCELLAR, 1ST THRU 3RD FLOOR. NO CHANGE IN EGRESS, OCCUPANCY AND USE. |
| Floor / Unit | Floor Number(s) 1 through 3 |
| Estimated Cost | $70,000 |
| Approved | November 6, 2025 |
| Issued | June 8, 2026 |
LT PRO CONSTRUCTION INC
ZHI XIANG LIN
| Expires | September 7, 2026 |
| BBL | — |
| BIN | — |
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