Contractor Profile

NIALL J BYRNE INC

NIALL J BYRNE INC is a specialist multifamily alteration contractor in New York City — all 36 of its segment-eligible permits fall in multifamily alteration. Its permit record in New York City spans 2018–2026. Reliable permit valuations total ≈$2.5M (across the 67% of filings with a valuation we can stand behind).

First permit: Feb 28, 2018 (3,045d ago)Latest permit: Jan 8, 2026 (174d ago)
The sales record
Territory
New York City
Active
2018–2026 · 8 yrs
Licenses on file
2
Canonical ID
50,353
Reliable value
$2.5M
Coverage
67%
Reliable filings
24
Rank in New York City
#15,119
Permits (all-time)
38
Filings 90d
0
Filings 30d
0
Latest permit
Jan 8, 2026
Where they work

Primarily Multifamily Alteration 100% of 36 segment-classified permits

Ranked #7,278 in the New York City Multifamily Alteration leaderboard →
Firmographics
License & registration IDs on file
  • 0618634
  • 618634

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

Direct contactNot in our data — we don’t fabricate firmographics.
Service area

Typical service area ~3 mi in New York City

The p90 footprint of where NIALL J BYRNE INC has pulled permits in New York City — based on 38 geocoded permits (100% of their indexed set). It reflects detected permit activity, not a guaranteed service-area claim.

  • NYC38
Recent permitsLargest recent$200K· 1212 5 AVENUE, Manhattan, NY 10029

Showing 20 of 36 permits by NIALL J BYRNE INC · most recent first

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Jan 8, 2026
35 WEST 92 STREET, Manhattan, NY 10025
Multifamily Alteration
$135K
Sep 29, 2025
165 EAST 72 STREET, Manhattan, NY 10021
Multifamily Alteration
$83K
Sep 22, 2025
40 FIFTH AVENUE, Manhattan, NY 10011
Multifamily Alteration
$105K
Jan 21, 2025
1185 PARK AVENUE, Manhattan, NY 10128
Multifamily Alteration
$158K
Dec 18, 2024
531 MAIN STREET, Manhattan, NY 10044
Multifamily Alteration
$40K
Dec 18, 2024
11 FIFTH AVENUE, Manhattan, NY 10003
Multifamily Alteration
$110K
Oct 8, 2024
531 MAIN STREET, Manhattan, NY 10044
Multifamily Alteration
$40K
Sep 30, 2024
9 EAST 96 STREET, Manhattan, NY 10128
Multifamily Alteration
$10K
Aug 21, 2024
1212 5 AVENUE, Manhattan, NY 10029
Multifamily Alteration
$200K
Aug 21, 2024
11 FIFTH AVENUE, Manhattan, NY 10003
Multifamily Alteration
$110K
Mar 19, 2024
1212 5 AVENUE, Manhattan, NY 10029
Multifamily Alteration
$200K
Dec 14, 2023
35 WEST 92 STREET, Manhattan, NY 10025
Multifamily Alteration
$150K
Dec 14, 2023
35 WEST 92 STREET, Manhattan, NY 10025
Multifamily Alteration
$150K
Oct 6, 2023
28 EAST 10 STREET, Manhattan, NY 10003
Multifamily Alteration
$125K
Sep 15, 2023
260 PARK AVENUE SOUTH, Manhattan, NY 10010
Multifamily Alteration
$10K
Aug 3, 2023
35 WEST 92 STREET, Manhattan, NY 10025
Multifamily Alteration
$150K
Oct 12, 2022
880 FIFTH AVENUE, Manhattan, NY 10021
Multifamily Alteration
$141K
Jul 15, 2022
28 EAST 10 STREET, Manhattan, NY 10003
Multifamily Alteration
$125K
Apr 21, 2022
1 FIFTH AVENUE, Manhattan, NY 10003
Multifamily Alteration
$105K
Mar 30, 2022
15 EAST 91 STREET, Manhattan, NY 10128
Multifamily Alteration
$5K

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