General Construction: Building Enlargement at 642 Classon Avenue, Brooklyn
642 CLASSON AVENUE, Brooklyn, 11238 · Crown Heights (North)
What was permitted
Residents in Crown Heights, Brooklyn, can find insights into significant residential construction projects. This permit is for a substantial building enlargement and conversion, transforming a three-story, three-unit property into a six-story, five-unit building, requiring new occupancy certificates.
This significant project, with an estimated cost of $1,635,982, was permitted on July 6, 2026. SAT CONSTRUCTION SERVICES is the general contractor managing this extensive renovation and expansion.
A major building enlargement and conversion in Crown Heights, Brooklyn, was permitted with an estimated project cost of over $1.6 million.
What it cost
Issued
July 6, 2026
Expires
November 25, 2026
License
General Contractor
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Filed by SAT CONSTRUCTION SERVICES · 20 permits across 7 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 | 596767353 |
| 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 | July 6, 2026 |
| Expires | November 25, 2026 |
| BBL | — |
| BIN | — |
Property Owner
COHEN GLOBAL INC
Yona Kogman