Contractor Profile

Roundsquare Builders,llc

Roundsquare Builders,llc concentrates in multifamily alteration in New York City (87% of its 147 segment-eligible permits), with secondary activity across 5 other segments. Its permit record in New York City spans 2016–2026. Reliable permit valuations total ≈$29.6M (across the 54% of filings with a valuation we can stand behind).

First permit: May 5, 2016 (3,771d ago)Latest permit: Jun 30, 2026 (63d ago)
The sales record
Market
New York City
Active
2016–2026 · 10 yrs
Licence IDs on their permits
2
Reliable value
$29.6M
Coverage
54%
Reliable filings
53
Rank in New York City
#4,383
Permits (all-time, all segments)
191
Filings 90d
1
Filings 30d
0
Latest permit
Jun 30, 2026
Typical project size$50Ktypically $2K–$300K across 53 valued permits
Where they work
Firmographics
License & registration IDs on file
  • 0615495
  • 615495

As named in the permit records — identifiers we surface, not verified state licensure.

Direct contactNot in our data — we don’t fabricate firmographics.
Monthly activity
Aug ’240–7 permits/moJun ’26
permits per month permit value
Service area

Typical service area ~3 mi in New York City

The p90 footprint of where Roundsquare Builders,llc has pulled permits in New York City — drawn from all 193 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • NYC193
Find Multifamily Alteration contractors near your branchEnter your address — see who’s pulling these permits in your radius.

Showing 20 of 147 permits by Roundsquare Builders,llc in the indexed window · most recent first

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Jun 30, 2026
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Jan 13, 2026
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Jan 12, 2026
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Jan 8, 2026
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Jan 8, 2026
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Jan 8, 2026
227 West 19 Street, Manhattan, NY 10011
Temporary Construction Support
Nov 13, 2025
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Sep 3, 2025
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Jul 25, 2025
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Jul 16, 2025
107 Bank Street, Manhattan, NY 10014
Multifamily Alteration
$4.0M
Apr 28, 2025
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Feb 14, 2025
227 West 19 Street, Manhattan, NY 10011
Temporary Construction Support
Feb 14, 2025
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Feb 14, 2025
107 Bank Street, Manhattan, NY 10014
Multifamily Alteration
$4.0M
Feb 14, 2025
107 Bank Street, Manhattan, NY 10014
Multifamily Alteration
$1K
Feb 14, 2025
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Feb 13, 2025
228 East Broadway, Manhattan, NY 10002
Multifamily Alteration
$1K
Feb 13, 2025
228 East Broadway, Manhattan, NY 10002
Multifamily Alteration
Residential
$2.2M
Dec 24, 2024
107 Bank Street, Manhattan, NY 10014
Multifamily Alteration
$1K
Dec 24, 2024
227 West 19 Street, Manhattan, NY 10011
Multifamily Alteration
Sites Roundsquare Builders,llc returns to6 in New York City

Addresses where Roundsquare Builders,llc has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.

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