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Design Firm
KAHN ASSOCIATES, INC
Design
5 projects with open permitsMANHATTAN · 13
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5 buildings
19
Total Filings
13
Projects on File
5
Buildings Worked
5
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month13 projects all-time
0134Sep '19 · 1Jan '20 · 1Feb '20 · 1Dec '20 · 1Jun '21 · 3Mar '22 · 1Nov '22 · 1Apr '23 · 1May '23 · 1Jan '24 · 1Jan '25 · 1202020212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit538%
Signed off862%
By project type
Alteration13
Most active buildings
All buildings →
525 7 AVENUEMANHATTAN · 5 open · latest 05/28/2025
8 projects
37 WEST 20 STREETMANHATTAN · latest 07/01/2021
2 projects
1296 3 AVENUEMANHATTAN · latest 09/18/2019
1 projects
120 CHRISTOPHER STREETMANHATTAN · latest 04/05/2024
1 projects
270 GREENWICH STREETMANHATTAN · latest 07/12/2021
1 projects
Key relationships
Everyone →
Filing representatives
7 projects
People
All people →
Ronald Kahnlatest 01/08/2025
12 filings
Filed under
KAHN ASSOCIATES, INC19
Identified by the contact ids of the people who file for the firm and by its email domain (kahn-associates.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01164157 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued01/17/202505/28/2025
Owner 525 DELAWARE LLC
Contractor 5 K CONSTRUCTION RESOURCE
Filer CONSTRUCTION PERMIT SERVICES
RENOVATION TO EXISTING RESTROOMS ON 5TH + 14TH FLOOR. NO CHANGE IN USE, EGRESS OR OCCUPANCY
M00652328 ↗120 CHRISTOPHER STREET
MANHATTAN
AlterationSigned-off03/04/202204/05/2024
Owner CENTENNIAL PROPERTIES NY INC.
Contractor ETNOP CONTRACTING LLC
Filer CONSTRUCTION PERMIT SERVICES
MINOR INTERIOR ALTERATION TO AN EXISTING STORE. NO CHANGE OF USE, OCCUPANCY NOR TO EGRESS. PER DIRECTIVE 14/75
M00983199 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued01/02/202401/04/2024
Contractor 5 K CONSTRUCTION GROUP
PROPOSED INSTALLATION OF NON-LOAD BEARING PARTITION + RENOVATION TO EXISTING 8TH FL TENANT SPACE + WEST BATHROOMS AS PER PLANS. NO CHANGE IN…
M00864692 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued05/22/202311/15/2023
Owner 525 DELAWARE LLC
Contractor 5 K CONSTRUCTION GROUP
Filer CONSTRUCTION PERMIT SERVICES
REMOVAL/INSTALL OF NON-LOAD BEARING PARTITIONS IN RESTROOMS ON 23RD FL. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00855979 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued04/26/202305/11/2023
Owner 525 DELAWARE LLC
Contractor PHASE 3 INTERIORS LLC
Filer CONSTRUCTION PERMIT SERVICES
REMOVAL/INSTALL OF NON-LOAD BEARING PARTITIONS, FIXTURES AND FINISHES AS PER PLANS ON 19TH FL.
M08032556 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued11/17/202203/22/2023
Owner 525 DELAWARE LLC
Contractor DOUG'S PLBG & HTG SERV CO
Filer CONSTRUCTION PERMIT SERVICES
PROPOSED RENOVATION TO EX. RESTROOMS ON 16TH FLOOR INCLUDES DEMO/INSTALL OF NON-LOAD BEARING PARTITIONS, FIXTURES AND FINISHES AS PER PLANS.…
Counts cover all 13 projects (13 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
Ronald Kahn1201/08/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
5 K CONSTRUCTION GROUP201/02/2024
ADRIATIC REMODELING LLC203/17/2023
ETNOP CONTRACTING LLC201/04/2024
FULL CIRCLE PLUMBING CORP201/12/2021
5 K CONSTRUCTION RESOURCE101/17/2025
A&A PLUMBING CORP101/08/2020
ADDISON PLBG AND HTG CORP101/17/2025
DWG SERVICES INC101/04/2024
KYMECH INDUSTRIES INC103/17/2023
KYPROS MECHANICAL CORP106/25/2021
PHASE 3 INTERIORS LLC104/26/2023
VELOCITY PLUMBING & HEAT109/03/2019
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
525 DELAWARE LLC601/17/2025
37 WEST 20 LLC106/25/2021
CENTENNIAL PROPERTIES NY INC.101/04/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CONSTRUCTION PERMIT SERVICES701/17/2025
13 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 13Open permit 5Signed off 8
13 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01164157 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued01/17/202505/28/2025
Owner 525 DELAWARE LLC
Contractor 5 K CONSTRUCTION RESOURCE
Filer CONSTRUCTION PERMIT SERVICES
RENOVATION TO EXISTING RESTROOMS ON 5TH + 14TH FLOOR. NO CHANGE IN USE, EGRESS OR OCCUPANCY
M00652328 ↗120 CHRISTOPHER STREET
MANHATTAN
AlterationSigned-off03/04/202204/05/2024
Owner CENTENNIAL PROPERTIES NY INC.
Contractor ETNOP CONTRACTING LLC
Filer CONSTRUCTION PERMIT SERVICES
MINOR INTERIOR ALTERATION TO AN EXISTING STORE. NO CHANGE OF USE, OCCUPANCY NOR TO EGRESS. PER DIRECTIVE 14/75
M00983199 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued01/02/202401/04/2024
Contractor 5 K CONSTRUCTION GROUP
PROPOSED INSTALLATION OF NON-LOAD BEARING PARTITION + RENOVATION TO EXISTING 8TH FL TENANT SPACE + WEST BATHROOMS AS PER PLANS. NO CHANGE IN…
M00864692 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued05/22/202311/15/2023
Owner 525 DELAWARE LLC
Contractor 5 K CONSTRUCTION GROUP
Filer CONSTRUCTION PERMIT SERVICES
REMOVAL/INSTALL OF NON-LOAD BEARING PARTITIONS IN RESTROOMS ON 23RD FL. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00855979 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued04/26/202305/11/2023
Owner 525 DELAWARE LLC
Contractor PHASE 3 INTERIORS LLC
Filer CONSTRUCTION PERMIT SERVICES
REMOVAL/INSTALL OF NON-LOAD BEARING PARTITIONS, FIXTURES AND FINISHES AS PER PLANS ON 19TH FL.
M08032556 ↗525 7 AVENUE
MANHATTAN
AlterationPermit Issued11/17/202203/22/2023
Owner 525 DELAWARE LLC
Contractor DOUG'S PLBG & HTG SERV CO
Filer CONSTRUCTION PERMIT SERVICES
PROPOSED RENOVATION TO EX. RESTROOMS ON 16TH FLOOR INCLUDES DEMO/INSTALL OF NON-LOAD BEARING PARTITIONS, FIXTURES AND FINISHES AS PER PLANS.…
M00543198 ↗270 GREENWICH STREET
MANHATTAN
AlterationSigned-off06/30/202107/12/2021
Contractor ETNOP CONTRACTING LLC
Filer CONSTRUCTION PERMIT SERVICES
Proposed GC work to include but not limited to the removal and installation of non-structural partitions, cabinetry, and minor interior upgr…
M00541255 ↗37 WEST 20 STREET
MANHATTAN
AlterationSigned-off06/25/202107/01/2021
Contractor MATHEW WEISS
Installation of new plumbing fixtures on 4th as related to interior renovation of bathrooms under job # M00541236. No change in use, egress,…
M00541236 ↗37 WEST 20 STREET
MANHATTAN
AlterationSigned-off06/25/202106/29/2021
Owner 37 WEST 20 LLC
Contractor ADRIATIC REMODELING LLC
Filer CONSTRUCTION PERMIT SERVICES
Interior renovation of 4th floor bathrooms as per plans. No change in use, egress, or occupancy.
M00283217 ↗525 7 AVENUE
MANHATTAN
AlterationSigned-off01/08/202002/12/2021
Contractor A&A PLUMBING CORP
Installation of new plumbing fixtures on 3rd floor as per plans. No change in use, egress, or occupancy.
M00305105 ↗525 7 AVENUE
MANHATTAN
AlterationSigned-off02/10/202001/10/2021
Owner 525 DELAWARE LLC
Contractor FULL CIRCLE PLUMBING CORP
Filer CONSTRUCTION PERMIT SERVICES
Installation of new plumbing fixtures on 15th floor as per plans. No change in use, egress, or occupancy.
M00437949 ↗525 7 AVENUE
MANHATTAN
AlterationSigned-off12/09/202012/15/2020
Owner 525 DELAWARE LLC
Contractor FULL CIRCLE PLUMBING CORP
Filer CONSTRUCTION PERMIT SERVICES
Installation of new plumbing fixtures on 3rd floor as per plans. No change in use, egress, or occupancy.
M00214878 ↗1296 3 AVENUE
MANHATTAN
AlterationSigned-off09/03/201909/18/2019
Contractor VELOCITY PLUMBING & HEAT
Removal of plumbing fixtures and related piping. No change in use, egress, or occupancy.
Scope of Work
Plumbing — 2 projects · most recent 01/17/2025
Water/Sanitary
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
525 7 AVENUE ↗1301/08/2025
120 CHRISTOPHER STREET ↗212/20/2023
270 GREENWICH STREET ↗106/18/2021
37 WEST 20 STREET ↗206/16/2021
1296 3 AVENUE ↗1—
▾Documents — 68 on file (BIS + DOB NOW)
▸Plans & Drawings17
▸DOB NOWPlans/Sketch12
09/03/2026M00541255-I1 · 37 WEST 20 STREETRequest digital key ↗
09/03/2026M00541236-I1 · 37 WEST 20 STREETRequest digital key ↗
09/03/2026M00543198-I1 · 270 GREENWICH STREETRequest digital key ↗
Showing 3 of 12 on file for this type
▸DOB NOWPlans/Sketch - Plumbing5
09/05/2026M00214878-I1 · 1296 3 AVENUERequest digital key ↗
09/05/2026M00283217-I1 · 525 7 AVENUERequest digital key ↗
09/04/2026M00437949-I1 · 525 7 AVENUERequest digital key ↗
Showing 3 of 5 on file for this type
▸Applications & Permits4
▸DOB NOWLPC Approval/Permit4
08/13/2026M00652328-P1 · 120 CHRISTOPHER STREETOpen ↗
08/13/2026M00652328-I1 · 120 CHRISTOPHER STREETOpen ↗
08/13/2026M00541255-I1 · 37 WEST 20 STREETOpen ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications28
▸DOB NOWDPL-1: Design Professional Seal & Signature17
09/05/2026M00214878-I1 · 1296 3 AVENUEOpen ↗
09/05/2026M00283217-I1 · 525 7 AVENUEOpen ↗
09/04/2026M00305105-I1 · 525 7 AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸DOB NOWProgress Inspector Seal & Signature11
09/23/2026M00652328-I1 · 120 CHRISTOPHER STREETOpen ↗
09/18/2026M08032556-I1 · 525 7 AVENUEOpen ↗
09/18/2026M08032556-I1 · 525 7 AVENUEOpen ↗
Showing 3 of 11 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWTenant Protection Plan1
08/13/2026M00214878-I1 · 1296 3 AVENUEOpen ↗
▸Environmental & Asbestos17
▸DOB NOWDEP ACP-5: Asbestos Assessment Report17
09/05/2026M00214878-I1 · 1296 3 AVENUEOpen ↗
09/05/2026M00283217-I1 · 525 7 AVENUEOpen ↗
09/04/2026M00305105-I1 · 525 7 AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026M00543198-I1 · 270 GREENWICH STREETOpen ↗