What was permitted
For homeowners considering property conversions or additions on the Upper East Side, this permit offers insight into mechanical system costs. The work includes the installation of a new HVAC system as part of a building conversion to a 1-family home with a rear addition.
This mechanical systems project was issued a permit on April 27, 2026, with an estimated cost of $41,000. BBM DEVELOPMENT INC is the General Contractor overseeing this HVAC installation.
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