Building permits / New York / Gannon Contracting LLC

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Gannon Contracting LLC: building permits in New York

Gannon Contracting LLC holds 19 project permits in New York from the last 12 months (8 in the last 90 days, latest Oct 27, 2026), $15.8M in estimated cost.

19 project permits in New York over the last 12 months, $15.8M in estimated cost, from the permits the NYC Department of Buildings (DOB NOW) publishes: each project, its address and owner, and the trades that pulled permits at the same addresses.

Nov 5, 2026 · updated nightly
For trades and suppliersWhat Gannon Contracting LLC is building
8last 90 days

Project permits

New construction, renovation, structural and demolition permits naming Gannon Contracting LLC.

Latest issued Oct 27, 2026
$15.8M12 months

Estimated cost

As the applicants reported it on these permits.

19trades

On its job sites

Electrical, plumbing, mechanical and other firms with permits at the same addresses.

See every Gannon Contracting LLC project and who is on it →Free account. Opens on Gannon Contracting LLC's permits with the trades and owners on each job.

Recent projects

Project permits naming Gannon Contracting LLC as general contractor, newest first.

IssuedAddressTypeEst. costWorkOwner
Oct 27, 2026900 THIRD AVENUE, ManhattanGeneral construction$800,000Interior renovation as per plans filed herewith.Paramount Group
Oct 20, 2026900 THIRD AVENUE, ManhattanGeneral construction$289,992Minor demolition with installation of new partitions, doors, ceilings and finishes on 1st ...Paramount Group
Oct 6, 2026900 THIRD AVENUE, ManhattanGeneral construction$61,982Removal and disposal of interior partitions, doors, ceilings and finishes on the 22nd floo...Paramount Group
Sep 2, 202633 WHITEHALL STREET, ManhattanStructural$51,900INSTALLATION OF STRUCTURAL SUPPORT OF NEW METAL GRATING FLOOR SYSTEM AS SHOWN ON DRAWINGS ...5TH Midtown LLC
Sep 1, 202633 WHITEHALL STREET, ManhattanGeneral construction$1,711,836REMOVAL AND INSTALLATION OF PARTITIONS, CEILINGS, DOORS AND FINSHES AS SHOWN ON DRAWINGS. ...5TH Midtown LLC
Aug 31, 2026767 FIFTH AVENUE, ManhattanGeneral construction$147,666INTERIOR demo & buildout of partitions, ceilings and doors. NO CHANGE IN USE, OCCUPANCY, A...Boston Properties
Aug 28, 2026767 FIFTH AVENUE, ManhattanGeneral construction$556,175INTERIOR demo & buildout of partitions, ceilings and doors. NO CHANGE IN USE, OCCUPANCY, A...Boston Properties
Aug 20, 202641 EAST 11 STREET, ManhattanGeneral construction$1,885,000Interior renovation of the 5th floor as shown on plans filed herewith. No change in use, e...41 East 11TH Street LLC
Jul 20, 2026767 FIFTH AVENUE, ManhattanGeneral construction$304,300INTERIOR demo & buildout of partitions, ceilings and doors. NO CHANGE IN USE, OCCUPANCY, A...Boston Properties
Jul 1, 2026900 THIRD AVENUE, ManhattanStructural$340,000INSTALLATION A STEEL DUNNAGE/FRAMING TO SUPPORT NEW BMU EQUIPMENT, REINFORCING EXISTING ST...Paramount Group
Jul 1, 2026900 THIRD AVENUE, ManhattanGeneral construction$3,700,000Roofing replacement at main roof in conjunction with BMU replacement filed under DoB Job N...Paramount Group
Jun 12, 2026745 FIFTH AVENUE, ManhattanGeneral construction$150,876Minor demolition with installation of new partitions, doors, ceilings and finishes on the ...Paramount Group
Jun 11, 2026900 THIRD AVENUE, ManhattanStructural$60,000Structural modification as per plans filed herewith.Paramount Group
Jun 11, 2026900 THIRD AVENUE, ManhattanGeneral construction$1,300,000Interior renovation as per plans filed herewith.Paramount Group
Jun 1, 2026565 5 AVENUE, ManhattanGeneral construction$1,484,800INTERIOR RENOVATION OF 17TH FLOOR. PARTITIONS, CEILINGS DOORS AND FINSHES AS SHOWN ON DRAW...5TH Midtown LLC
Mar 2, 2026399 PARK AVENUE, ManhattanGeneral construction$1,112,920GENERAL CONSTRUCTION FROM THE 32ND FLOOR TO THE 34TH FLOOR AS PLANS FILED HEREWITH. NO CHA...Boston Properties
Nov 25, 20251325 AVENUE OF THE AMERICAS, ManhattanGeneral construction$175,000Minor demolition with installation of new partitions, doors, suspended ceilings and finish...Paramount Group, Inc
Nov 14, 2025330 MADISON AVENUE, ManhattanGeneral construction$38,000Removal and installation of interior non-beating partitions and related finishes as per dr...330 Madison Associates LLC
Nov 13, 2025767 FIFTH AVENUE, ManhattanGeneral construction$1,625,000REMOVAL & BUILD OUT OF INTERIOR NON-BEARING PARTITIONS AND RELATED FINISHES, HUNG CEILINGS...Boston Properties

Trades on its job sites

Firms that pulled a permit at an address where Gannon Contracting LLC holds a project permit in the last 12 months.

FirmTradePermits
PAR Fire Protection LLCFire protection14
PAR Plumbing Co., IncPlumbing6
A&A Plumbing CorpPlumbing4
Dependable Mechanical CORFire protection3
Armon Mechanical IncPlumbing2
Armon Mechanical IncFire protection2
Dependable Mech CorpPlumbing2
Abco-peerless Sprklr CorpFire protection2
Bedrock Mechanical IncFire protection2
LAB Plbg & HTG Co IncPlumbing2
Ashland Plumbing CorpPlumbing1
Hi-tech Plumbing & HeatinPlumbing1
Preferred Piping, IncPlumbing1
Aggressive Fire Prot LLCFire protection1
Bedrock Plbg. & HTG., IncPlumbing1
Archer Consultants GroupFire protection1
Bedrock Plumbing & Heating IncPlumbing1
City/suburban Plbg CorpPlumbing1
Standard Fire Protect LLCFire protection1

Who it builds for

Owners named on its permits (businesses only), by number of permits.

Paramount Group 8Boston Properties 55TH Midtown LLC 341 East 11TH Street LLC 1Paramount Group, Inc 1330 Madison Associates LLC 1

Month by month

Nov 2025 3Mar 2026 1Jun 2026 4Jul 2026 3Aug 2026 3Sep 2026 2Oct 2026 3

Other active general contractors in New York

JT Magen & Company Inc 118Mercury Building Asso Inc 111Kale Construction Inc 110Structure Tone, LLC 90JRM Construction Mgmt LLC 77Winick Productions, LLC 77Clune Construction Co LP 70L&L Construction Develop 49Richards Plum & HTG Co 48Turner Construction Compa 43Yafe Meod Corp 40NY Building Associates 39

Common questions

What is Gannon Contracting LLC building in New York right now?

900 THIRD AVENUE, Manhattan (general construction, $800K), issued Oct 27, 2026; 900 THIRD AVENUE, Manhattan (general construction, $290K), issued Oct 20, 2026; 900 THIRD AVENUE, Manhattan (general construction, $62K), issued Oct 6, 2026.

How many building permits has Gannon Contracting LLC pulled in New York?

19 project permits in the last 12 months and 8 in the last 90 days, as published by the NYC Department of Buildings (DOB NOW).

Which trades work on Gannon Contracting LLC's projects?

PAR Fire Protection LLC (Fire protection); PAR Plumbing Co., Inc (Plumbing); A&A Plumbing Corp (Plumbing); Dependable Mechanical COR (Fire protection); Armon Mechanical Inc (Plumbing).

Who does Gannon Contracting LLC build for?

Paramount Group (8 permits); Boston Properties (5 permits); 5TH Midtown LLC (3 permits); 41 East 11TH Street LLC (1 permits); Paramount Group, Inc (1 permits).

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Every new permit, the day it issues

New construction and renovation permits in your territory, with the GC, address and estimated cost.

Know who builds where

Each general contractor's active projects and the trades already on them.

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Public work too

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Compiled from public records and refreshed nightly; last updated Nov 5, 2026. Permits are as the city published them; estimated costs are as the applicant reported them and are not contract values. General contractors, trades and owners are named as businesses; no individuals are. Check the source before acting. See something wrong? Tell us and we will correct it.