| Project | Address | Type | Status | Filed | Latest permit | On the project | Description |
|---|---|---|---|---|---|---|---|
| M01361641 ↗ | 530 WEST 120 STREET MANHATTAN | Alteration | Permit Issued | 03/20/2026 | 07/22/2026 | Owner COLUMBIA UNIVERSITY Contractor AMERICON CONSTRUCTION INC. | RENOVATIONS ON 5TH, 6TH & 9TH FLOORS. (AKA LEVEL 600/700/1000). DEMOLITION OF EXISTING NON-LOAD BEARING PARTITIONS, DOORS AND INTERIOR FINIS… |
| M01330139 ↗ | 15 EAST 30TH STREET MANHATTAN | Alteration | Permit Issued | 12/29/2025 | 04/27/2026 | Contractor ALL MAKES HTG & A/C CORP | Mechanical modifications to the existing system. No change in use, egress or occupancy. |
| M01146814 ↗ | 530 WEST 120 STREET MANHATTAN | Alteration | Permit Issued | 12/23/2024 | 04/14/2026 | Owner COLUMBIA UNIVERSITY Contractor PAR PLUMBING CO., INC | MECHANICAL WORK ON LEVEL 400 (1ST FL) AND 500 (MEZ1) AS SHOWN HEREWITH. NO CHANGES TO EGRESS, OCCUPANCY OR USE. |
| M01265126 ↗ | 66 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 08/21/2025 | 10/27/2025 | Owner ABC MANAGEMENT Contractor ALL MAKES HTG & A/C CORP | Plumbing work as shown on plans filed herewith. No change to use, egress or occupancy. |
| M01236711 ↗ | 105 HUDSON STREET MANHATTAN | Alteration | Filed — no permit on record | 09/23/2025 | — | — | |
| M00996528 ↗ | 501 WEST 30 STREET MANHATTAN | Alteration | Signed-off | 03/21/2024 | 12/18/2024 | Contractor RICHTER & RATNER CONTRACTING Filer GILLMAN CONSULTING INC | Filing herewith Interior renovation, removal and installation of non load bearing partitions, ceilings, floors as per plans. No change to u… |
| Person | Filings | Most recent |
|---|---|---|
| KATHERINE CHIA | 14 | 02/18/2026 |
| Name | Projects together | Most recent |
|---|---|---|
| CES ENGINEERING LLC | 3 | 03/23/2026 |
| JAROS BAUM & BOLLES | 1 | 02/03/2025 |
| THORNTON TOMASETTI | 1 | 02/03/2025 |
| Name | Projects together | Most recent |
|---|---|---|
| CLOUD NINE ASSOCIATE INC | 3 | 01/08/2026 |
| RICHTER & RATNER CONTRACT | 3 | 02/03/2025 |
| ALL MAKES HTG & A/C CORP | 2 | 01/08/2026 |
| DC BUILDING SERVICES INC | 2 | 08/22/2025 |
| PAR PLUMBING CO., INC | 2 | 03/23/2026 |
| A & F FIRE PROTECTION CO | 1 | 03/23/2026 |
| AMERICON CONSTRUCTION INC | 1 | 03/23/2026 |
| ASHLAR MECHANICAL CORP | 1 | 02/03/2025 |
| DONATO PLUMBING, INC | 1 | 02/12/2020 |
| GEORGE BRESLAW PLBNG LLC | 1 | 02/03/2025 |
| GOLDS PLUMBING CORP | 1 | 03/01/2023 |
| HEADWATER CONTRACTING LTD | 1 | 07/09/2021 |
| TRIESTE CONSTRUCTION CORP | 1 | 03/01/2023 |
| VANGUARD CONSTRUCTION AND | 1 | 08/20/2021 |
| WESBUILT CONSTRUCTION MAN | 1 | 12/23/2024 |
| Name | Projects together | Most recent |
|---|---|---|
| COLUMBIA UNIVERSITY | 3 | 03/23/2026 |
| 180 VARICK LLC | 1 | 08/20/2021 |
| ABC MANAGEMENT | 1 | 08/22/2025 |
| Name | Projects together | Most recent |
|---|---|---|
| WILLIAM VITACCO ASSOCIATES | 5 | 01/08/2026 |
| GILLMAN CONSULTING INC | 2 | 02/03/2025 |
| OUTSOURCE CONSULTANTS, INC. | 2 | 12/23/2024 |
| CONVERSANO ASSOCIATES, INC. | 1 | 03/23/2026 |
| Project | Address | Type | Status | Filed | Latest permit | On the project | Description |
|---|---|---|---|---|---|---|---|
| M01361641 ↗ | 530 WEST 120 STREET MANHATTAN | Alteration | Permit Issued | 03/20/2026 | 07/22/2026 | Owner COLUMBIA UNIVERSITY Contractor AMERICON CONSTRUCTION INC. | RENOVATIONS ON 5TH, 6TH & 9TH FLOORS. (AKA LEVEL 600/700/1000). DEMOLITION OF EXISTING NON-LOAD BEARING PARTITIONS, DOORS AND INTERIOR FINIS… |
| M01330139 ↗ | 15 EAST 30TH STREET MANHATTAN | Alteration | Permit Issued | 12/29/2025 | 04/27/2026 | Contractor ALL MAKES HTG & A/C CORP | Mechanical modifications to the existing system. No change in use, egress or occupancy. |
| M01146814 ↗ | 530 WEST 120 STREET MANHATTAN | Alteration | Permit Issued | 12/23/2024 | 04/14/2026 | Owner COLUMBIA UNIVERSITY Contractor PAR PLUMBING CO., INC | MECHANICAL WORK ON LEVEL 400 (1ST FL) AND 500 (MEZ1) AS SHOWN HEREWITH. NO CHANGES TO EGRESS, OCCUPANCY OR USE. |
| M01265126 ↗ | 66 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 08/21/2025 | 10/27/2025 | Owner ABC MANAGEMENT Contractor ALL MAKES HTG & A/C CORP | Plumbing work as shown on plans filed herewith. No change to use, egress or occupancy. |
| M01236711 ↗ | 105 HUDSON STREET MANHATTAN | Alteration | Filed — no permit on record | 09/23/2025 | — | — | |
| M00996528 ↗ | 501 WEST 30 STREET MANHATTAN | Alteration | Signed-off | 03/21/2024 | 12/18/2024 | Contractor RICHTER & RATNER CONTRACTING Filer GILLMAN CONSULTING INC | Filing herewith Interior renovation, removal and installation of non load bearing partitions, ceilings, floors as per plans. No change to u… |
| M01028437 ↗ | 450 EAST 83 STREET MANHATTAN | Alteration | Signed-off | 05/09/2024 | 10/15/2024 | Contractor CLOUD NINE ASSOCIATE INC | Plumbing work as shown on the plans. |
| M00810496 ↗ | 302 WEST 12 STREET MANHATTAN | Alteration | Signed-off | 03/01/2023 | 05/30/2023 | Contractor HUDSON PLMBING & MCH, LLC | Plumbing work associated with interior renovation of existing dwelling unit. |
| M00810504 ↗ | 302 WEST 12 STREET MANHATTAN | Alteration | Signed-off | 03/01/2023 | 05/25/2023 | Contractor TRIESTE CONSTRUCTION CORP | General construction work associated with interior renovation of existing dwelling unit. No change to egress, use, or occupancy. |
| M00730844 ↗ | 501 WEST 30 STREET MANHATTAN | Alteration | Signed-off | 07/07/2022 | 07/26/2022 | Contractor RICHTER & RATNER CONTRACTING Filer GILLMAN CONSULTING INC | Filing herewith for interior renovation to existing office space. Removal and Installation of non-load bearing partitions, doors and ceilin… |
| M00561471 ↗ | 1100 AMSTERDAM AVENUE MANHATTAN | Alteration | Signed-off | 10/29/2021 | 12/20/2021 | Owner COLUMBIA UNIVERSITY Contractor RICHTER & RATNER CONTRACTING | Removal and installation of interior non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or oc… |
| M00528569 ↗ | 180 VARICK STREET MANHATTAN | Alteration | Signed-off | 08/20/2021 | 09/24/2021 | Owner 180 VARICK LLC Contractor VANGUARD CONSTRUCTION AND | Interior renovation to include construction of new partitions and finishes as shown on plans. No change in use, egress or occupancy under th… |
| M00447279 ↗ | 105 HUDSON STREET MANHATTAN | Alteration | Signed-off | 07/09/2021 | 09/21/2021 | Contractor HEADWATER CONTRACTING LTD | INTERIOR RENOVATION TO INCLUDE DEMO OF EXISTING & CONSTRUCTION OF NEW PARTITIONS AND FINISHES AS SHOWN ON PLANS.NO CHANGE IN USE, EGRESS OR … |
| M00306753 ↗ | 37 WEST 12 STREET MANHATTAN | Alteration | Signed-off | 02/12/2020 | 07/10/2020 | Contractor ARCON PLBG SOLUTIONS | Remove 1 gas range, cap existing gas line. Remove 1 bathtub. Relocate 1 dishwasher. Replace 4 toilets, 4 lavatories, 1 bathtub, 1 shower,… |
| Building | Filings | Most Recent |
|---|---|---|
| 530 WEST 120 STREET ↗ | 2 | 02/18/2026 |
| 105 HUDSON STREET ↗ | 4 | 06/05/2025 |
| 530 WEST 120 STREET ↗ | 1 | 11/22/2024 |
| 501 WEST 30 STREET ↗ | 5 | 09/18/2024 |
| 450 EAST 83 STREET ↗ | 2 | 04/01/2024 |
| 302 WEST 12 STREET ↗ | 2 | 01/10/2023 |
| 1100 AMSTERDAM AVENUE ↗ | 1 | 07/20/2021 |
| 180 VARICK STREET ↗ | 1 | 05/25/2021 |
| 66 MADISON AVENUE ↗ | 3 | — |
| 37 WEST 12 STREET ↗ | 1 | — |
| 15 EAST 30TH STREET ↗ | 1 | — |