Mechanical Systems for Split Units at 357 Leonard Street, Brooklyn
357 LEONARD STREET, BROOKLYN, 11211 · East Williamsburg
Estimated Project Cost
$0
Mechanical Systems
Issued
June 8, 2026
Expires
September 7, 2026
License
General Contractor
About This Project
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.
What This Means For You
For residential buildings in East Williamsburg, installing split AC units can cost around $70,000.
The Business That Did This Work
LT PRO CONSTRUCTION INC
General Contractor · License #623877
1529 71ST STREET FL1
27 permits filed · 13 neighborhoods
Permit Details
| 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 |
| Expires | September 7, 2026 |
| BBL | — |
| BIN | — |
Property Owner
LT PRO CONSTRUCTION INC
ZHI XIANG LIN
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