Contractor Profile

Theory 3 Group INC

Theory 3 Group INC is a specialist multifamily alteration contractor in New York City — all 14 of its segment-eligible permits fall in multifamily alteration. Its permit record in New York City spans 2023–2026. Reliable permit valuations total ≈$3.5M (across the 93% of filings with a valuation we can stand behind). Filing activity is down 50% over the last 90 days versus the prior 90.

First permit: Oct 19, 2023 (1,047d ago)Latest permit: Jul 17, 2026 (45d ago)
The sales record
Market
New York City
Active
2023–2026 · 3 yrs
Licence IDs on their permits
1
Reliable value
$3.5M
Coverage
93%
Reliable filings
13
Rank in New York City
#14,697
Permits (all-time, all segments)
38
Filings 90d
1
Filings 30d
0
Latest permit
Jul 17, 2026
Typical project size$248Ktypically $176K–$336K across 13 valued permits
Where they work

Primarily Multifamily Alteration 100% of 14 segment-classified permits

Ranked #12,110 in the New York City Multifamily Alteration leaderboard →
Firmographics
License & registration IDs on file
  • 620132

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 ’240–1 permits/moJul ’26
permits per month permit value
Service area

Typical service area ~11 mi in New York City

The p90 footprint of where Theory 3 Group INC has pulled permits in New York City — drawn from all 39 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • NYC39
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Showing 14 of 14 permits by Theory 3 Group INC in the indexed window · most recent first

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Jul 15, 2026
315 Hancock Street, Brooklyn, NY 11216
Multifamily Alteration
Residential
$336K
Apr 29, 2026
315 Hancock Street, Brooklyn, NY 11216
Multifamily Alteration
Residential
$336K
Mar 19, 2026
315 Hancock Street, Brooklyn, NY 11216
Multifamily Alteration
Residential
$336K
Jan 29, 2026
4449 Seton Avenue, Bronx, NY 10466
Multifamily Alteration
$290K
Jul 14, 2025
283 St Ann'S Avenue, Bronx, NY 10454
Multifamily Alteration
$508K
Jan 9, 2025
4971 Henry Hudson Parkway, Bronx, NY 10471
Multifamily Alteration
$152K
Dec 26, 2024
283 St Ann'S Avenue, Bronx, NY 10454
Multifamily Alteration
$508K
Nov 29, 2024
283 St Ann'S Avenue, Bronx, NY 10454
Multifamily Alteration
Sep 11, 2024
51-43 69 Street, Queens, NY 11377
Multifamily Alteration
$82K
Aug 8, 2024
3 Montague Terrace, Brooklyn, NY 11201
Multifamily Alteration
$176K
Feb 21, 2024
2837 Sedgwick Avenue, Bronx, NY 10468
Multifamily Alteration
$30K
Jan 23, 2024
222-16 92 Road, Queens, NY 11428
Multifamily Alteration
$221K
Jan 10, 2024
2837 Sedgwick Avenue, Bronx, NY 10468
Multifamily Alteration
$248K
Oct 19, 2023
2837 Sedgwick Avenue, Bronx, NY 10468
Multifamily Alteration
$248K
Sites Theory 3 Group INC returns to1 in New York City

Addresses where Theory 3 Group INC 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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