Gannon Contracting LLC
Gannon Contracting LLC concentrates in commercial hvac in New York City (66% of its 618 segment-eligible permits), with secondary activity across 5 other segments. Its permit record in New York City spans 1998–2026. Reliable permit valuations total ≈$77.5M (across the 41% of filings with a valuation we can stand behind). Filing activity is up 1300% 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
- $77.5M
- Coverage
- 41%
- Reliable filings
- 237
- Rank in New York City
- #500
- Permits (all-time, all segments)
- 1,235
- Filings 90d
- 14
- Filings 30d
- 4
- Latest permit
- Jul 20, 2026
Primarily Commercial HVAC — 66% of 618 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 1,239 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- NYC1,239
Showing 20 of 618 permits by Gannon Contracting LLC in the indexed window · most recent first
- 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
- Jun 11, 2026Commercial Alteration900 Third Avenue, Manhattan, NY 10022Alteration$1.3M
- Jun 1, 2026Commercial Alteration565 5 Avenue, Manhattan, NY 10017Alteration$1.5M
- Dec 17, 2025Commercial HVAC140 East 45 Street, Manhattan, NY 10017HVAC / Mechanical$103K
- Dec 9, 2025Commercial Alteration900 Third Avenue, Manhattan, NY 10022Alteration$340K
- Nov 28, 2025Commercial HVAC330 Madison Avenue, Manhattan, NY 10017HVAC / Mechanical · Commercial$10K
- Nov 25, 2025Commercial Alteration1325 Avenue Of The Americas, Manhattan, NY 10019Alteration$175K
- Nov 25, 2025Commercial HVAC1325 Avenue Of The Americas, Manhattan, NY 10019HVAC / Mechanical$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 INC7,225 commercial hvac
- Jt Magen + CO INC2,097 commercial hvac
- Turner Construction Compa1,883 commercial hvac
- Lehr Construction CORP1,767 commercial hvac
- John Gallin & Son, INC1,598 commercial hvac
- Jrm Construction Mgmt LLC1,386 commercial hvac
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