Air Conditioning Installation at 422 4 STREET, Park Slope
422 4 STREET, BROOKLYN, 11215 · Park Slope
What was permitted
This permit covers the installation of new air conditioning systems (heat pumps) and a ventilation system at a property in Park Slope. This type of work often involves upgrades to improve home comfort and energy efficiency.
The permit was issued on April 17, 2026, with an estimated cost of $99,500. The contractor for this project is I DIMENSION LLC.
Homeowners in Park Slope should note that this mechanical systems project carries a significant cost, reflecting the scope of the work involved.
What it cost
Issued
April 17, 2026
Expires
November 7, 2026
License
General Contractor
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Filed by I DIMENSION LLC · 3 permits across 1 neighborhood
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 | 168198602 |
| Work Permit # | B01339119-I1-MS |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | INSTALL NEW AIR CONDITIONING SYSTEMS (HEAT PUMPS) AND VENTILATION SYSTEM AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS AND OCCUPANCY. |
| Floor / Unit | Basement/Sub-basement, Cellar, Floor Number(s) 001 through 003, Open Space, Roof |
| Estimated Cost | $99,500 |
| Approved | February 25, 2026 |
| Issued | April 17, 2026 |
| Expires | November 7, 2026 |
| BBL | — |
| BIN | — |
Property Owner
Not Applicable
Joanna Neumann