← Back
Contractor
NSK HOME IMPROVEMENT CORP
General Contractor
12 projects with open permitsMANHATTAN · 21BRONX · 4STATEN ISLAND · 1
15 buildings
43
Total Filings
27
Projects on File
11
Buildings Worked
12
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month27 projects all-time
0123Sep '00 · 1Feb '20 · 1Jul '20 · 1Nov '20 · 1Dec '20 · 1Jan '21 · 1Feb '21 · 1May '21 · 1Jun '21 · 1Aug '21 · 1Oct '21 · 1Nov '21 · 2Jan '22 · 1Feb '22 · 2Mar '22 · 1May '22 · 1Jun '22 · 1Oct '22 · 2Dec '22 · 1Jan '23 · 1Jan '24 · 1Mar '25 · 1May '26 · 1Jul '26 · 120012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit1244%
Signed off1141%
Other status415%
By project type
Alteration22
Alteration CO1
Most active buildings
All buildings →
233 EAST 3 STREETMANHATTAN · 4 open · latest 01/31/2023
10 projects
1480 AMSTERDAM AVENUEMANHATTAN · 1 open · latest 04/06/2022
2 projects
520 WEST 136 STREETMANHATTAN · 2 open · latest 08/10/2026
2 projects
226 WEST 242 STREETBRONX · 1 open · latest 02/18/2022
2 projects
14 WALL STREETMANHATTAN · 1 open · latest 06/08/2026
1 projects
339 EAST 58 STREETMANHATTAN · latest 03/06/2023
1 projects
Key relationships
Everyone →
Design firms
Filing representatives
Owners
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01426492 ↗520 WEST 136 STREET
MANHATTAN
AlterationPermit Issued07/10/202608/10/2026INTERIOR RENOVATION OF EXISTING APARTMENT 3B ON 3RD FLOOR AS PER PLANS SUBMTTED. NO CHANGE IN USE EGRESS OR OCCUPANCY.
M01383688 ↗14 WALL STREET
MANHATTAN
AlterationPermit Issued05/22/202606/08/2026INTERIOR RENOVATION OF THE 21ST FLOOR OFFICE SPACE AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
500444968BIS82 PIEDMONT AVENUE
STATEN ISLAND
—ISSUED09/07/200011/05/2025—PL
B01150013 ↗5109 CHURCH AVENUE
BROOKLYN
Alteration COPermit Issued03/26/202506/10/2025COMBINE EXISTING STORE AND OBTAIN NEW CERTIFICATED OF OCCUPANCY, AS PER PLANS SUBMITTED.
M00996889 ↗277 WEST 150 STREET
MANHATTAN
AlterationSigned-off01/30/202402/16/2024INTERIOR RENOVATION OF APARTMENT 16 IN THE 4TH FLOOR. NO CHANGE IN USE, FLOOR AREA, EGRESS OR OCCUPANCY.
M00782913 ↗339 EAST 58 STREET
MANHATTAN
AlterationSigned-off10/05/202203/06/2023COMBINING APARTMENTS 2H AND 2G ON SECOND FLOOR OF EXISTING MULTI-FAMILY ELEVATOR BUILDING AS PER PLANS SUBMITTED. NO CHANGE IN USE, EGRESS …
Counts cover all 27 projects (23 DOB NOW + 4 legacy BIS). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SERDAR CEYLAN ARCHITECT, PC2108/06/2026
ENV ARCHITECTS, DPC105/22/2026
ROCDA PE PC103/21/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
500 W 148 LLC901/30/2024
CITISKYLINE REALTY LLC209/08/2021
CITY SKYLINE108/06/2026
CITY SKYLINE REALTY110/11/2021
IMPACT REAL ESTATE MANAGEMENT108/23/2023
ROZA 14W105/22/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MUNICIPAL BUILDING CONSULTANTS105/22/2026
23 DOB NOW projects + 4 legacy BIS 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 27Open permit 12Signed off 11Other status 4
Any typeAlteration 22Alteration CO 1
27 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01426492 ↗520 WEST 136 STREET
MANHATTAN
AlterationPermit Issued07/10/202608/10/2026INTERIOR RENOVATION OF EXISTING APARTMENT 3B ON 3RD FLOOR AS PER PLANS SUBMTTED. NO CHANGE IN USE EGRESS OR OCCUPANCY.
M01383688 ↗14 WALL STREET
MANHATTAN
AlterationPermit Issued05/22/202606/08/2026INTERIOR RENOVATION OF THE 21ST FLOOR OFFICE SPACE AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
500444968BIS82 PIEDMONT AVENUE
STATEN ISLAND
—ISSUED09/07/200011/05/2025—PL
B01150013 ↗5109 CHURCH AVENUE
BROOKLYN
Alteration COPermit Issued03/26/202506/10/2025COMBINE EXISTING STORE AND OBTAIN NEW CERTIFICATED OF OCCUPANCY, AS PER PLANS SUBMITTED.
M00996889 ↗277 WEST 150 STREET
MANHATTAN
AlterationSigned-off01/30/202402/16/2024INTERIOR RENOVATION OF APARTMENT 16 IN THE 4TH FLOOR. NO CHANGE IN USE, FLOOR AREA, EGRESS OR OCCUPANCY.
M00782913 ↗339 EAST 58 STREET
MANHATTAN
AlterationSigned-off10/05/202203/06/2023COMBINING APARTMENTS 2H AND 2G ON SECOND FLOOR OF EXISTING MULTI-FAMILY ELEVATOR BUILDING AS PER PLANS SUBMITTED. NO CHANGE IN USE, EGRESS …
M00808651 ↗511 WEST 184 STREET
MANHATTAN
AlterationPermit Issued01/09/202302/06/2023INTERIOR RENOVATION OF EXISTING APARTMENT IN BASEMENT AS PER I-CARD #627061 AND AS PER PLANS SUBMITTED. NO CHANGE IN USE, EGRESS OR OCCUPANC…
M00758556 ↗233 EAST 3 STREET
MANHATTAN
AlterationPermit Issued06/21/202201/31/2023APPLICATION FILED FOR INTERIOR RENOVATION OF APARTMENT E ON THE GROUND FLOOR WITH A STAIR FOR STORAGE ROOM AT CELLAR OF EXIST. 6-STORY WALK-…
M00800454 ↗233 EAST 3 STREET
MANHATTAN
AlterationPermit Issued12/19/202201/05/2023COMBINING APARTMENTS 5C AND 5D ON 5TH FLOORS AS PER TPPN 3/97. NO CHANGES IN USE,EGRESS OR OCCUPANCY.
M08014882 ↗233 EAST 3 STREET
MANHATTAN
AlterationSigned-off10/04/202210/27/2022COMBINING APARTMENTS 3C AND 3D ON 4TH FLOORS AS PER PLANS SUBMITTED. NO CHANGES IN USE, EGRESS OR OCCUPANCY.
M00726924 ↗233 EAST 3 STREET
MANHATTAN
AlterationSigned-off05/11/202205/26/2022COMBINING APARTMENTS 1A ON FIRST FLOOR AND 2A ON SECOND FLOORS AS PER PLANS SUBMITTED. NO CHANGES IN USE, EGRESS OR OCCUPANCY.
M00655374 ↗1480 AMSTERDAM AVENUE
MANHATTAN
AlterationPermit Issued03/24/202204/06/2022INTERIOR RENOVATION OF EXISTING APARTMENT 14 ON FOURTH FLOOR AS PER PLANS SUBMITTED. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00684624 ↗233 EAST 3 STREET
MANHATTAN
AlterationPermit Issued02/21/202203/28/2022SLAB REINFORCEMENT FOR UPCOMING CONEDISON WORK AS PER PLANS SUBMITTED. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00686831 ↗233 EAST 3 STREET
MANHATTAN
AlterationPermit Issued02/28/202203/24/2022COMBINING APARTMENTS 4E ON FOURTH FLOOR AND 5E ON FIFTH FLOORS AS PER PLANS SUBMITTED. NO CHANGES IN USE, EGRESS OR OCCUPANCY.
X00603096 ↗226 WEST 242 STREET
BRONX
AlterationPermit Issued10/11/202102/18/2022COMBINING APARTMENTS #1A AND #2A ON SECOND FLOOR ALL AS PER PLANS SUBMITTED. NO CHANGE IN USE EGRESS OR OCCUPANCY.
M00650001 ↗233 EAST 3 STREET
MANHATTAN
AlterationSigned-off01/25/202202/09/2022APPLICATION FILED FOR INTERIOR RENOVATION OF APARTMENT C ON THE GROUND FLOOR WITH A STAIR FOR ACCESSORY ROOM AT CELLAR OF EXIST. 6-STORY WAL…
M00527350 ↗520 WEST 136 STREET
MANHATTAN
AlterationPermit Issued05/26/202101/05/2022INSTALLATION OF EXHAUST DUCT FROM THE CELLAR (LAUNDRY ROOM) TO THE ROOF AT SIDE YARD COURT OF EXISTING SIX STORY BUILDING IN CONJUCTION WITH…
M00626829 ↗233 EAST 3 STREET
MANHATTAN
AlterationSigned-off11/30/202112/28/2021COMBINING APARTMENTS 1C ON FIRST FLOOR AND 2C ON SECOND FLOOR AS PER PLANS SUBMITTED. NO CHANGES IN USE, EGRESS OR OCCUPANCY.
M00626370 ↗233 EAST 3 STREET
MANHATTAN
AlterationSigned-off11/15/202112/06/2021COMBINING APARTMENTS 2E ON SECOND FLOOR AND 3E ON 3RD FLOORS AS PER PLANS SUBMITTED. NO CHANGES IN USE, EGRESS OR OCCUPANCY.
M00427967 ↗26 MACOMBS PLACE
MANHATTAN
AlterationPermit Issued12/20/202011/03/2021INSTALLATION OF EXHAUST DUCT FROM THE CELLAR (LAUNDRY ROOM) TO THE ROOF AT REAR YARD OF EXISTING SIX STORY BUILDING.
M00521012 ↗1480 AMSTERDAM AVENUE
MANHATTAN
AlterationSigned-off06/21/202111/03/2021COMBINING APARTMENT 12 AND APARTMENT 13 ON 4TH FLOOR AS PER PLANS SUBMITTED. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00578190 ↗233 EAST 3 STREET
MANHATTAN
AlterationSigned-off08/18/202110/05/2021COMBINING APARTMENTS 4C AND 4D ON 4TH FLOORS AS PER PLANS SUBMITTED. NO CHANGES IN USE, EGRESS OR OCCUPANCY.
X00448686 ↗622 EAST 169 STREET
BRONX
AlterationSigned-off01/06/202105/27/2021THE APPLICATION IS FILED TO RESTORE THE ORIGINAL CONDITIONS AND ALSO FILED TO CURE THE VIOLATIONS (#39031254P, #39031256Z, #039031257K) NO C…
X00465729 ↗226 WEST 242 STREET
BRONX
AlterationSigned-off02/05/202103/16/2021COMBINING APARTMENTS #1D AND #2D ON FIFTH FLOOR ALL AS PER PLANS SUBMITTED. NO CHANGE IN USE EGRESS OR OCCUPANCY.
220703834BIS1075 NELSON AVENUE
BRONX
—ISSUED02/05/202001/20/2021—OT
123910358BIS505 WEST 135 STREET
MANHATTAN
—ISSUED07/14/202012/09/2020—OT
140909701BIS1484 AMSTERDAM AVENUE
MANHATTAN
—ISSUED11/16/202011/16/2020—OT
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
520 WEST 136 STREET ↗408/11/2026
14 WALL STREET ↗107/08/2026
233 EAST 3 STREET ↗2207/08/2026
277 WEST 150 STREET ↗107/08/2026
26 MACOMBS PLACE ↗207/08/2026
339 EAST 58 STREET ↗107/08/2026
226 WEST 242 STREET ↗207/08/2026
1480 AMSTERDAM AVENUE ↗507/08/2026
622 EAST 169 STREET ↗107/08/2026
5109 CHURCH AVENUE ↗107/08/2026
511 WEST 184 STREET ↗303/21/2026
▾Documents — 244 on file (BIS + DOB NOW)
▸Plans & Drawings35
▸DOB NOWPlans/Sketch30
Showing 3 of 30 on file for this type
▸DOB NOWPlans/Sketch - General Construction3
▸DOB NOWPlans/Sketch - Mechanical Systems2
09/04/2026M00427967-I1 · 26 MACOMBS PLACERequest digital key ↗
09/01/2026M00427967-I1 · 26 MACOMBS PLACEOpen ↗
▸Applications & Permits15
▸BISWORK PERMIT APPLICATION9
11/06/2025500444968 · 82 PIEDMONT AVENUEOpen ↗
05/17/2023500444968 · 82 PIEDMONT AVENUEOpen ↗
05/08/2023500444968 · 82 PIEDMONT AVENUEOpen ↗
Showing 3 of 9 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION4
01/15/2021220703834 · 1075 NELSON AVENUEOpen ↗
09/28/2020500444968 · 82 PIEDMONT AVENUEOpen ↗
08/31/2020140909701 · 1484 AMSTERDAM AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION1
06/17/2020123910358 · 505 WEST 135 STREETOpen ↗
▸DOB NOWLPC Approval/Permit1
08/17/2026M01383688-I1 · 14 WALL STREETOpen ↗
▸Seals & Professional Certifications106
▸DOB NOWProgress Inspector Seal & Signature51
09/23/2026M00782913-I1 · 339 EAST 58 STREETOpen ↗
09/02/2026M00782913-P1 · 339 EAST 58 STREETOpen ↗
09/02/2026M00782913-P1 · 339 EAST 58 STREETOpen ↗
Showing 3 of 51 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature34
09/04/2026M00427967-I1 · 26 MACOMBS PLACEOpen ↗
09/03/2026M00578190-P1 · 233 EAST 3 STREETOpen ↗
09/03/2026M00578190-I1 · 233 EAST 3 STREETOpen ↗
Showing 3 of 34 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature17
09/23/2026M00782913-I1 · 339 EAST 58 STREETOpen ↗
09/02/2026M00782913-P1 · 339 EAST 58 STREETOpen ↗
09/01/2026M00684624-I1 · 233 EAST 3 STREETOpen ↗
Showing 3 of 17 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3
02/05/2020220703834 · 1075 NELSON AVENUEOpen ↗
02/05/2020220703834 · 1075 NELSON AVENUEOpen ↗
11/27/2019220703834 · 1075 NELSON AVENUEOpen ↗
▸BISAPPLICANT OWNER SIGNATURE1
08/31/2020140909701 · 1484 AMSTERDAM AVENUEOpen ↗
▸Safety & Tenant Protection5
▸BISTenant Protection Plan and Notes3
09/08/2020140909701 · 1484 AMSTERDAM AVENUEOpen ↗
06/19/2020123910358 · 505 WEST 135 STREETOpen ↗
11/27/2019220703834 · 1075 NELSON AVENUEOpen ↗
▸BISSRO MD ANTI-HARASSMENT CHECKLIST1
06/18/2020123910358 · 505 WEST 135 STREETOpen ↗
▸DOB NOWTenant Protection Plan1
08/13/2026M00427967-I1 · 26 MACOMBS PLACEOpen ↗
▸Environmental & Asbestos37
▸DOB NOWDEP ACP-5: Asbestos Assessment Report34
09/04/2026M00427967-I1 · 26 MACOMBS PLACEOpen ↗
09/03/2026M00578190-I1 · 233 EAST 3 STREETOpen ↗
09/03/2026M00626370-I1 · 233 EAST 3 STREETOpen ↗
Showing 3 of 34 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)3
08/31/2020140909701 · 1484 AMSTERDAM AVENUEOpen ↗
06/17/2020123910358 · 505 WEST 135 STREETOpen ↗
11/27/2019220703834 · 1075 NELSON AVENUEOpen ↗
▸Energy Compliance15
▸DOB NOWEN2: As Built Energy Analysis.7
09/03/2026M00626370-I1 · 233 EAST 3 STREETOpen ↗
08/13/2026X00465729-I1 · 226 WEST 242 STREETOpen ↗
08/13/2026M00578190-I1 · 233 EAST 3 STREETOpen ↗
Showing 3 of 7 on file for this type
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY4
10/24/2022123910358 · 505 WEST 135 STREETOpen ↗
10/24/2022140909701 · 1484 AMSTERDAM AVENUEOpen ↗
08/31/2020140909701 · 1484 AMSTERDAM AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2
02/05/2020220703834 · 1075 NELSON AVENUEOpen ↗
11/27/2019220703834 · 1075 NELSON AVENUEOpen ↗
▸BISAS-BUILT ENERGY ANALYSIS1
10/24/2022140909701 · 1484 AMSTERDAM AVENUEOpen ↗
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
10/24/2022123910358 · 505 WEST 135 STREETOpen ↗
▸Inspections & Test Reports6
▸BISTECHNICAL REPORT: RESPONSIBILITY6
10/27/2022123910358 · 505 WEST 135 STREETOpen ↗
10/26/2022123910358 · 505 WEST 135 STREETOpen ↗
10/24/2022123910358 · 505 WEST 135 STREETOpen ↗
Showing 3 of 6 on file for this type
▸Approvals, Objections & Sign-offs5
▸BISSUPERSEDING LETTER4
11/06/2025500444968 · 82 PIEDMONT AVENUEOpen ↗
05/17/2023500444968 · 82 PIEDMONT AVENUEOpen ↗
05/08/2023500444968 · 82 PIEDMONT AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
10/28/2022123910358 · 505 WEST 135 STREETOpen ↗
▸Cost, Insurance & Ownership4
▸BISCOST AFFIDAVIT3
08/31/2020140909701 · 1484 AMSTERDAM AVENUEOpen ↗
06/17/2020123910358 · 505 WEST 135 STREETOpen ↗
11/27/2019220703834 · 1075 NELSON AVENUEOpen ↗
▸BISCOST AFFIDAVIT (FINAL): PW31
10/24/2022123910358 · 505 WEST 135 STREETOpen ↗
▸Filing & Intake Forms9
▸BISBOROUGH INTAKE FORM4
11/06/2025500444968 · 82 PIEDMONT AVENUEOpen ↗
05/17/2023500444968 · 82 PIEDMONT AVENUEOpen ↗
05/08/2023500444968 · 82 PIEDMONT AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸BISEFILING COVER SHEET2
11/27/2019220703834 · 1075 NELSON AVENUEOpen ↗
Showing 1 of 2 on file for this type
▸BISADDITIONAL INFORMATION2
02/03/2021220703834 · 1075 NELSON AVENUEOpen ↗
09/29/2020220703834 · 1075 NELSON AVENUEOpen ↗
▸BISEFILING JOB APPLICATION COVER SHEET1
08/31/2020140909701 · 1484 AMSTERDAM AVENUEOpen ↗
▸Other Documents7
▸DOB NOWHPD4: CONH Pilot Program3
08/16/2026M01426492-I1 · 520 WEST 136 STREETOpen ↗
08/16/2026M01426492-P1 · 520 WEST 136 STREETOpen ↗
08/13/2026M00527350-I1 · 520 WEST 136 STREETOpen ↗
▸DOB NOWDHCR Document2
08/13/2026X00465729-I1 · 226 WEST 242 STREETOpen ↗
08/13/2026X00465729-P1 · 226 WEST 242 STREETOpen ↗
▸BISHPD: CONH PILOT1
08/31/2020140909701 · 1484 AMSTERDAM AVENUEOpen ↗
▸DOB NOWHPD: CONH Pilot1
08/13/2026M00527350-I1 · 520 WEST 136 STREETOpen ↗