Mechanical Systems Upgrade at 5800 20 Avenue, Brooklyn
5800 20 AVENUE, BROOKLYN, 11204 · Mapleton-Midwood (West)
What was permitted
Residents in the Mapleton-Midwood (West) area might see work related to a significant mechanical systems upgrade. This project involves removing old ventilation and installing new ductless mini-split AC units, along with updated lighting.
The permit for this extensive mechanical work was issued on June 15, 2026, with a substantial estimated project cost of $849,600. AWL INDUSTRIES INC is the general contractor managing this project.
A large-scale mechanical system replacement in Brooklyn, including HVAC, can represent a significant investment of nearly $850,000.
What it cost
Issued
June 15, 2026
Expires
September 1, 2026
License
General Contractor
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Filed by AWL INDUSTRIES INC · 19 permits across 9 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 | 522854830 |
| Work Permit # | B00782651-S1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | REMOVE AND PROVIDE NEW VENTILATION SYSYTEM AND PROVIDE NEW DUCTLESS MINI SPLIT AC UNITS. PROVIDE NEW LIGHTS AND LIGHTING CONTROLS. |
| Floor / Unit | Floor Number(s) 1 through 1 |
| Estimated Cost | $849,600 |
| Approved | October 6, 2022 |
| Issued | June 15, 2026 |
| Expires | September 1, 2026 |
| BBL | — |
| BIN | — |
Property Owner
NYC SCHOOL CONSTRUCTION AUTHORITY
CHARLESTON ALBERT