HVAC System Installation and Renovation at 3921 Avenue R, Brooklyn
3921 AVENUE R, Brooklyn, 11234 · Marine Park-Mill Basin-Bergen Beach
What was permitted
Homeowners in the Marine Park-Mill Basin-Bergen Beach area might be interested in a renovation project at 3921 Avenue R that includes the installation of a new HVAC system. The work spans the cellar, first, and second floors, with no changes to the building's overall footprint or occupancy.
This comprehensive renovation, including mechanical work, was permitted on July 9, 2026, with an estimated project cost of $151,000. CUBE BUILD GROUPS INC is the general contractor overseeing this project.
A $151,000 renovation in Brooklyn's Marine Park area included a new HVAC system, offering insight into the costs of upgrading mechanical systems in multi-floor properties.
What it cost
Issued
July 9, 2026
Expires
June 17, 2027
License
General Contractor
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Filed by CUBE BUILD GROUPS INC · 17 permits across 9 neighborhoods
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 | 973695797 |
| Work Permit # | B01426273-I1-GC-CX |
| Job Filing Number | — |
| Work Type | Mechanical Systems |
| Status | Permit Issued |
| Job Description | PROPOSED CONSTRUCTION RENOVATION AT CELLAR, 1ST AND 2ND FLOOR AND MECHANICAL WORK TO INSTALL NEW HVAC SYSTEM. WORK AS PER PLAN. NO CHANGE TO USE, EGRESS, OR OCCUPANCY. NO CHANGE TO BUILDING ENVELOPE OF FLOOR AREA. |
| Floor / Unit | Cellar, Floor Number(s) 001 through 002 |
| Estimated Cost | $151,000 |
| Approved | July 8, 2026 |
| Issued | July 9, 2026 |
| Expires | June 17, 2027 |
| BBL | — |
| BIN | — |
Property Owner
VKW DESIGN INC
VICTOR ZHENG