Gannon Contracting LLC
Gannon Contracting LLC concentrates in commercial hvac in New York City (66% of its 625 segment-eligible permits), with secondary activity across 5 other segments. Its permit record in New York City spans 1998–2026. Reliable permit valuations total ≈$80.0M (across the 41% of filings with a valuation we can stand behind). Filing activity is up 44% over the last 90 days versus the prior 90 — a market heating up.
- Market
- New York City
- Active
- 1998–2026 · 28 yrs
- Licence IDs on their permits
- 3
- Reliable value
- $80.0M
- Coverage
- 41%
- Reliable filings
- 244
- Rank in New York City
- #500
- Permits (all-time, all segments)
- 1,235
- Filings 90d
- 13
- Filings 30d
- 2
- Latest permit
- Jul 20, 2026
Primarily Commercial HVAC — 66% of 625 segment-classified permits
- 0012094
- 0012107
- 012107
As named in the permit records — identifiers we surface, not verified state licensure.
Typical service area ~3 mi in New York City
The p90 footprint of where Gannon Contracting LLC has pulled permits in New York City — drawn from all 1,246 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- NYC1,246
Showing 20 of 625 permits by Gannon Contracting LLC in the indexed window · most recent first
- Oct 6, 2026Commercial Alteration900 Third Avenue, Manhattan, NY 10022Alteration$62K
- Oct 6, 2026Commercial HVAC900 Third Avenue, Manhattan, NY 10022HVAC / Mechanical$10K
- Sep 2, 2026Commercial Alteration33 Whitehall Street, Manhattan, NY 10004Alteration$52K
- Sep 1, 2026Commercial Alteration33 Whitehall Street, Manhattan, NY 10004Alteration$1.7M
- Sep 1, 2026Commercial HVAC33 Whitehall Street, Manhattan, NY 10004HVAC / Mechanical$283K
- Aug 31, 2026Commercial Alteration767 Fifth Avenue, Manhattan, NY 10153Alteration$148K
- Aug 31, 2026Commercial HVAC767 Fifth Avenue, Manhattan, NY 10153HVAC / Mechanical$175K
- Aug 28, 2026Commercial Alteration767 Fifth Avenue, Manhattan, NY 10153Alteration$556K
- Aug 28, 2026Commercial HVAC767 Fifth Avenue, Manhattan, NY 10153HVAC / Mechanical$505K
- Aug 20, 2026Commercial HVAC41 East 11 Street, Manhattan, NY 10003HVAC / Mechanical$460K
- Aug 20, 2026Commercial Alteration41 East 11 Street, Manhattan, NY 10003Alteration$1.9M
- Jul 20, 2026Commercial Alteration767 Fifth Avenue, Manhattan, NY 10153Alteration$304K
- Jul 20, 2026Commercial HVAC767 Fifth Avenue, Manhattan, NY 10153HVAC / Mechanical$48K
- Jul 8, 2026Commercial HVAC745 Fifth Avenue, Manhattan, NY 10151HVAC / Mechanical$371K
- Jul 1, 2026Commercial Alteration900 Third Avenue, Manhattan, NY 10022Alteration$3.7M
- Jul 1, 2026Commercial Alteration900 Third Avenue, Manhattan, NY 10022Alteration$340K
- Jun 23, 2026Commercial HVAC565 5 Avenue, Manhattan, NY 10017HVAC / Mechanical$4K
- Jun 12, 2026Commercial Alteration745 Fifth Avenue, Manhattan, NY 10151Alteration$151K
- Jun 11, 2026Commercial HVAC900 Third Avenue, Manhattan, NY 10022HVAC / Mechanical$28K
- Jun 11, 2026Commercial Alteration900 Third Avenue, Manhattan, NY 10022Alteration$60K
Addresses where Gannon Contracting 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.
- Structure Tone INC7,246 commercial hvac
- Jt Magen + CO INC2,151 commercial hvac
- Turner Construction Compa1,893 commercial hvac
- Lehr Construction CORP1,767 commercial hvac
- John Gallin & Son, INC1,605 commercial hvac
- Jrm Construction Mgmt LLC1,406 commercial hvac
Put Gannon Contracting LLC on your call list.
Watch this contractor above for a daily email when they pull a new permit — or open the whole New York City book: every ranked contractor, enriched and parcel-joined.