What was permitted
Homeowners in the Carroll Gardens-Cobble Hill-Gowanus-Red Hook area can research the costs of upgrading building systems. This permit is for the installation of a new HVAC system in a 4-story building.
This mechanical systems project at 556 Clinton Street in Brooklyn was issued a permit on August 26, 2026, with an estimated cost of $78,000. LT PRO CONSTRUCTION INC is the contractor handling the HVAC installation.
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