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642 Classon Avenue, Brooklyn, NY — New Construction permit (#B01114441-I1) · DigPermit

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Permit · B01114441-I1NYC DOB NOWNew Construction

642 Classon Avenue

Brooklyn · NY · 11238

What is permit #B01114441-I1 at 642 Classon Avenue, Brooklyn, NY?

642 Classon Avenue in Brooklyn, NY has a new construction permit (#B01114441-I1) filed Tuesday, May 19, 2026 by L&T Consultants Llc, valued at $1,635,982. Status: issued.

Issued

Tuesday, May 19, 2026

Filed value

$1,635,982

Contractor

L&T Consultants Llc

County

Kings County

Status

issued

§Scope

Work 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.

§Details on file

What the city recorded.

Neighborhood

Crown Heights (North)

Work type

General Construction

Filing reason

Renewal Permit with Changes

§Where

Plotted on the map.

§Same address

Other permits at this property.

3 other permits at 642 Classon Avenue. Electrical, plumbing and HVAC on one property often share a GC, so follow the paper trail.

Full permit history at this address →

#B01114441-S1OtherMay 19, 2026· L&T Consultants Llc· $95,000
#B01114441-S3OtherMay 18, 2026· L&T Consultants Llc· $412,050
#B01114441-I1New ConstructionApr 28, 2026· Avesta Builders Inc· $1,635,982

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