What was permitted
For homeowners on the Upper East Side, understanding the cost of interior mechanical work is key, as shown by this permit for apartment 4B. The project involves replacing existing water source heat pump AHUs and modifying toilet exhaust ductwork.
This mechanical systems permit was issued on May 7, 2026, with a project cost of $69,150. BREFFNI MECHANICAL INC is listed as the general contractor for this work.
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