Neighborhoods › Midtown South-Flatiron-Union Square

11 Madison Avenue, Manhattan: 57 building jobs on file

Building Identification Number 1088910 · Midtown South-Flatiron-Union Square. Newest first.

Full demolition of 29-story building, est. $300K

Approved · filed Oct 11, 2026 · est. $299,767

Mechanical/plumbing work: Modification of mechanical systems as per plans…, est. $36K

Permit Entire · filed Oct 8, 2026 · est. $35,930

Interior renovation: Structural modifications as per plans filed herewith.…, est. $214K

Permit Entire · filed Oct 8, 2026 · est. $214,395

Mechanical/plumbing work: Modifications to the existing plumbing fixtures and…, est. $20K

Approved · filed Oct 8, 2026 · est. $19,500

Facade/scaffold work: Suspended scaffold for facade restoration as shown on plans

Approved · filed Sep 20, 2026 · est. not stated

Mechanical/plumbing work: Modifications to the existing plumbing fixtures…, est. $215K

Approved · filed Aug 4, 2026 · est. $214,990

Interior renovation: Work on setback roof, including aluminum tube, concrete…, est. $31K

Approved · filed Aug 4, 2026 · est. $30,500

Interior renovation: Architectural modifications to the 16th floor setback…, est. $57K

Permit Entire · filed Aug 4, 2026 · est. $56,680

Mechanical/plumbing work: Modifications to the existing hvac system and…, est. $28K

Approved · filed Aug 3, 2026 · est. $28,000

Facade/scaffold work: Suspended scaffold for facade restoration as shown on plans

Approved · filed Jul 21, 2026 · est. not stated

Interior renovation: Removal and installation of interior non-bearing…, est. $65K

LOC Issued · filed Jul 14, 2026 · est. $64,995

Facade/scaffold work: Installation of sidewalk shed and supported scaffold as shown on…

Approved · filed Jul 8, 2026 · est. $1

Mechanical/plumbing work: Modifications to the existing standpipe system on…, est. $36K

Approved · filed Jul 8, 2026 · est. $36,000

Mechanical/plumbing work: Modifications to existing hvac system as per plans…, est. $325K

Permit Entire · filed Jul 6, 2026 · est. $324,972

Mechanical/plumbing work: Modifications to existing pre-action sprinkler…, est. $17K

Permit Entire · filed Jul 6, 2026 · est. $17,000

Mechanical/plumbing work: Modifications to existing hvac system as per plans…, est. $35K

Permit Entire · filed Jun 30, 2026 · est. $34,995

Mechanical/plumbing work: Modifications to existing sprinkler system as per…, est. $7K

Permit Entire · filed Jun 30, 2026 · est. $6,995

Mechanical/plumbing work: Modification of mechanical systems as per plans…, est. $1.3M

Permit Entire · filed Jun 24, 2026 · est. $1,316,429

Mechanical/plumbing work: Modifications to the existing plumbing fixtures…, est. $412K

Permit Entire · filed Jun 24, 2026 · est. $411,982

Interior renovation: Interior fitout alterations to 14th floor. work…, est. $5.4M

Permit Entire · filed Jun 22, 2026 · est. $5,355,082

Full demolition of 29-story building, est. $371K

Permit Entire · filed May 12, 2026 · est. $371,046

Mechanical/plumbing work: Modification of mechanical systems as per plans…, est. $31K

Permit Entire · filed May 12, 2026 · est. $30,833

Mechanical/plumbing work: Modifications to the existing plumbing fixtures and…, est. $28K

Permit Entire · filed May 12, 2026 · est. $27,900

Mechanical/plumbing work: Modification to existing sprinkler system and…, est. $175K

Approved · filed Apr 27, 2026 · est. $174,986

Full demolition of 29-story building, est. $23K

LOC Issued · filed Apr 19, 2026 · est. $23,000

Full demolition of 29-story building, est. $13M

Approved · filed Apr 13, 2026 · est. $12,537,576

Facade/scaffold work: Facade repairs for 13th floor setback conversion as per…, est. $40K

Approved · filed Apr 12, 2026 · est. $40,000

Mechanical/plumbing work: Modification of mechanical systems as per plans…, est. $2.3M

Approved · filed Apr 8, 2026 · est. $2,318,085

Mechanical/plumbing work: Modifications to plumbing systems as per plans…, est. $121K

Approved · filed Apr 8, 2026 · est. $121,000

Mechanical/plumbing work: Modification of existing sprinkler and standpipe…, est. $82K

Approved · filed Apr 8, 2026 · est. $82,000

Full demolition of 29-story building, est. $2.8M

LOC Issued · filed Apr 1, 2026 · est. $2,799,888

Mechanical/plumbing work: Modifications to existing hvac system as per plans…, est. $149K

LOC Issued · filed Mar 29, 2026 · est. $149,460

Mechanical/plumbing work: Modifications to the existing plumbing fixtures…, est. $215K

Permit Entire · filed Mar 29, 2026 · est. $214,990

Interior renovation: Northwest setback roof replacement on the 13th floor…, est. $131K

Permit Entire · filed Mar 19, 2026 · est. $130,691

Interior renovation: Installation of interior non-bearing partitions and…, est. $2.9M

Approved · filed Mar 15, 2026 · est. $2,887,263

Interior renovation: Removal and installation of interior non-load bearing…, est. $850K

LOC Issued · filed Feb 8, 2026 · est. $849,920

Interior renovation: Architectural modifications on the 1st floor for lobby…, est. $220K

Permit Entire · filed Jan 26, 2026 · est. $220,000

Mechanical/plumbing work: Installation of plumbing fixtures and associated…, est. $20K

Permit Entire · filed Jan 22, 2026 · est. $20,000

Mechanical/plumbing work: Modifications to existing hvac system as per plans…, est. $27K

LOC Issued · filed Jan 20, 2026 · est. $26,880

Mechanical/plumbing work: Modifications to the existing plumbing fixtures as…, est. $55K

Permit Entire · filed Jan 20, 2026 · est. $54,996

No Work

Approved · filed Jan 15, 2026 · est. not stated

No Work

Approved · filed Jan 14, 2026 · est. not stated

Mechanical/plumbing work: Modifications to the existing sprinkler system as…, est. $6K

Permit Entire · filed Dec 29, 2025 · est. $6,000

Mechanical/plumbing work: Modifications to the existing hvac system and…, est. $990K

Permit Entire · filed Dec 22, 2025 · est. $990,000

Interior renovation: Minor interior office renovation as per plans filed…, est. $60K

LOC Issued · filed Dec 15, 2025 · est. $59,996

Interior renovation: Architectural modifications to the 13th floor as per…, est. $175K

Approved · filed Dec 11, 2025 · est. $175,000

Interior renovation: Structural modifications for partitions and loads on…, est. $213K

Approved · filed Dec 1, 2025 · est. $212,796

Interior renovation: Removal and installation of interior non-load bearing…, est. $75K

LOC Issued · filed Nov 30, 2025 · est. $74,998

Mechanical/plumbing work: Modifications to existing hvac system as per plans…, est. $60K

LOC Issued · filed Nov 25, 2025 · est. $59,994

Mechanical/plumbing work: Modifications to the existing plumbing fixtures as…, est. $20K

LOC Issued · filed Nov 25, 2025 · est. $19,998

Interior renovation: Minor interior office renovation as per plans filed…, est. $200K

LOC Issued · filed Nov 24, 2025 · est. $199,985

Mechanical/plumbing work: Modifications to existing hvac system as per plans…, est. $60K

LOC Issued · filed Nov 20, 2025 · est. $59,994

Mechanical/plumbing work: Modifications to existing sprinkler system as per…, est. $15K

LOC Issued · filed Nov 20, 2025 · est. $14,991

Mechanical/plumbing work: Modifications to existing hvac system as per plans…, est. $70K

LOC Issued · filed Nov 20, 2025 · est. $70,000

Facade/scaffold work: Facade repairs for 13th floor setback conversion as per…, est. $40K

Permit Entire · filed Nov 13, 2025 · est. $40,000

Mechanical/plumbing work: Modifications to the existing hvac system and…, est. $25K

Permit Entire · filed Oct 27, 2025 · est. $25,000

Interior renovation: Architectural modifications to the 13th floor as per…, est. $175K

Permit Entire · filed Oct 24, 2025 · est. $175,000

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