What was permitted
Homeowners and neighbors in the Upper East Side-Carnegie Hill area can see the details of a significant HVAC system upgrade at 699 Madison Avenue. This project involves modifications to the existing heating, ventilation, and air conditioning systems for a store and showroom, without altering the property's use or occupancy.
This permit was issued on August 5, 2026, with an estimated project cost of $144,000. The general contractor for this mechanical systems work is SAJO INC.
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