Contractor Profile

I. MASS + SONS

I. MASS + SONS is a specialist multifamily alteration contractor in New York City — all 23 of its segment-eligible permits fall in multifamily alteration. Its permit record in New York City spans 1990–1998.

First permit: Jul 26, 1990 (13,124d ago)Latest permit: Mar 18, 1998 (10,332d ago)
The sales record
Territory
New York City
Active
1990–1998 · 8 yrs
Licenses on file
1
Canonical ID
50,003
Reliable value
Coverage
Reliable filings
Rank in New York City
#14,874
Permits (all-time)
39
Filings 90d
0
Filings 30d
0
Latest permit
Mar 18, 1998
Where they work

Primarily Multifamily Alteration 100% of 23 segment-classified permits

Ranked #10,364 in the New York City Multifamily Alteration leaderboard →
Firmographics
License & registration IDs on file
  • 0004797

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

Direct contactNot in our data — we don’t fabricate firmographics.
What we won’t fabricate

I. MASS + SONS has 39 permits, but too few carry a value we can stand behind — so we publish for reliable value, never a guess. They still rank by volume; the dollar figure stays honest.

Valuation coverage too low to total
Service area

Typical service area ~3 mi in New York City

The p90 footprint of where I. MASS + SONS has pulled permits in New York City — based on 39 geocoded permits (100% of their indexed set). It reflects detected permit activity, not a guaranteed service-area claim.

  • NYC39
Recent permits

Showing 20 of 23 permits by I. MASS + SONS · most recent first

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4 EAST 95 STREET, Manhattan, NY 10128
Multifamily Alteration
4 EAST 95 STREET, Manhattan, NY 10128
Multifamily Alteration
4 EAST 95 STREET, Manhattan, NY 10128
Multifamily Alteration
40 EAST 94 STREET, Manhattan, NY 10128
Multifamily Alteration
40 EAST 94 STREET, Manhattan, NY 10128
Multifamily Alteration
40 EAST 94 STREET, Manhattan, NY 10128
Multifamily Alteration
40 EAST 94 STREET, Manhattan, NY 10128
Multifamily Alteration
40 EAST 94 STREET, Manhattan, NY 10128
Multifamily Alteration
40 EAST 94 STREET, Manhattan, NY 10128
Multifamily Alteration
239 CENTRAL PARK WEST, Manhattan, NY 10024
Multifamily Alteration
239 CENTRAL PARK WEST, Manhattan, NY 10024
Multifamily Alteration
333 EAST 30 STREET, Manhattan, NY 10016
Multifamily Alteration
Residential
1107 5 AVENUE, Manhattan, NY 10128
Multifamily Alteration
880 FIFTH AVENUE, Manhattan, NY 10021
Multifamily Alteration
226 EAST 73 STREET, Manhattan, NY 10021
Multifamily Alteration
226 EAST 73 STREET, Manhattan, NY 10021
Multifamily Alteration
226 EAST 73 STREET, Manhattan, NY 10021
Multifamily Alteration
1107 5 AVENUE, Manhattan, NY 10128
Multifamily Alteration
1107 5 AVENUE, Manhattan, NY 10128
Multifamily Alteration
1107 5 AVENUE, Manhattan, NY 10128
Multifamily Alteration

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