Major Building Enlargement at 642 Classon Avenue, Brooklyn
642 CLASSON AVENUE, BROOKLYN, 11238 · Crown Heights (North)
Estimated Project Cost
$0
General Construction
Issued
April 28, 2026
Expires
June 29, 2026
License
General Contractor
About This Project
Homeowners in Crown Heights can see the significant investment involved in a major building alteration. This project involves enlarging an existing three-story, three-dwelling-unit building and converting it into a six-story, five-dwelling-unit structure.
This General Construction permit was issued on April 28, 2026, with an estimated cost of $1,635,982. The work is being managed by AVESTA BUILDERS INC (GC) and requires a new Certificate of Occupancy.
What This Means For You
A substantial $1.6 million general construction project in Crown Heights aims to more than double the building's size and dwelling units.
The Business That Did This Work
AVESTA BUILDERS INC
General Contractor · License #623312
750 MANHATTAN AVEUE
3 permits filed · 2 neighborhoods
Permit Details
| Tracking Number | 137879413 |
| Work Permit # | B01114441-I1-GC |
| Job Filing Number | — |
| Work Type | General Construction |
| Status | Permit Issued |
| Job Description | PROPOSED ALT-1 FOR ENLARGEMENT OF EXISTING 3 STORY 3 DWELLING UNITS AND CONVERT TO A 6 STORY 5 DWELLING UNITS. OBTAIN NEW C OF O. PROPOSED ALT-1 REQUIRED TO MEET NEW BUILDING REQUIREMENTS PER 28-101.4.5. |
| Floor / Unit | Cellar, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Floor Number(s) 4, Floor Number(s) 5, Floor Number(s) 6, Roof |
| Estimated Cost | $1,635,982 |
| Approved | April 21, 2025 |
| Issued | April 28, 2026 |
| Expires | June 29, 2026 |
| BBL | — |
| BIN | — |
Property Owner
COHEN GLOBAL INC
Yona Kogman
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