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Contractor
WINDSOR CONSTRUCTION GRP
General Contractor
5 projects with open permitsMANHATTAN · 17BROOKLYN · 5QUEENS · 1
17 buildings
52
Total Filings
23
Projects on File
17
Buildings Worked
5
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month23 projects all-time
0123Dec '21 · 1Feb '22 · 1Apr '22 · 1May '22 · 1Jul '22 · 1Aug '22 · 2Oct '22 · 1Dec '22 · 1Jan '23 · 1Apr '23 · 1Aug '23 · 1Oct '23 · 2Feb '24 · 1Jun '24 · 1Dec '24 · 1Jan '25 · 1Aug '25 · 2Oct '25 · 1Dec '25 · 1Jul '26 · 120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit522%
Signed off1878%
By project type
Alteration23
Most active buildings
All buildings →
54 AVENUE CMANHATTAN · 1 open · latest 01/29/2024
2 projects
34 EAST 4 STREETMANHATTAN · latest 03/27/2023
2 projects
238 EAST 25 STREETMANHATTAN · latest 01/13/2026
2 projects
346 WEST END AVENUEMANHATTAN · 2 open · latest 08/11/2026
2 projects
336 CLINTON AVENUEBROOKLYN · latest 10/13/2022
2 projects
220 ST JAMES PLACEBROOKLYN · latest 03/13/2024
2 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01411087 ↗346 WEST END AVENUE
MANHATTAN
AlterationPermit Issued07/06/202608/11/2026New partition and sliding door, stairs and loft area at BR#2. Remove partitions at partial kitchen area.
M01261275 ↗171 WEST 83 STREET
MANHATTAN
AlterationPermit Issued08/21/202505/06/2026File application to amend changes to approved and permitted ALT 991/87. Minor plumbing replacements and relocations. New washer in cellar. N…
M01315693 ↗346 WEST END AVENUE
MANHATTAN
AlterationPermit Issued12/08/202503/18/2026New stairs to rec room. Kitchen renov. Openings at rear exterior walls, new windows. Excavate for 8'0 ceiling ht in cellar. Stay back from e…
M01299161 ↗102 EAST 22 STREET
MANHATTAN
AlterationPermit Issued10/09/202503/04/2026INTERIOR NON-STRUCTURAL ALTERATION OF PENTHOUSE UNIT B (11B). REPLACEMENT OF FIXTURES, FINISHES, AND LIGHTING. NO CHANGE IN USE, OCCUPANCY O…
Q01261575 ↗41-48 40 STREET
QUEENS
AlterationSigned-off08/27/202501/15/2026INTERIOR NON-STRUCTURAL ALTERATION OF APARTMENT UNITS C10 , D8, AND D9. REPLACEMENT OF FIXTURES, FINISHES, AND LIGHTING. NO CHANGE IN USE, O…
M01160364 ↗238 EAST 25 STREET
MANHATTAN
AlterationSigned-off12/31/202401/13/2026RENOVATED APT 15, 4TH FL. RENOVATE APT 2 1ST FL AND CONVENIENCE STAIR TO CELLAR
Counts cover all 23 projects (23 DOB NOW). 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
GRASSO-MENZIUSO ARCHITECTS803/25/2025
ORLI ESHKAR ARCHITECT PLLC707/06/2026
ZHENG ENGINEERING PLLC405/26/2026
DERMAN ENGINEERING PLLC112/10/2021
DINA VEDMED ARCHITECT111/17/2023
KUSHNER STUDIOS109/09/2024
NTA DESIGN GROUP, LLC111/03/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
G.B. & SON, INC807/06/2026
PARAMOUNT SERVICES, LLC205/26/2026
ARIANA CONTRACTING INC109/09/2024
CLEAN TECH MECHANICAL INC102/24/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ORCHARD WEST LLC.807/06/2026
20 RSW, LLC303/25/2025
NORTH RIVER REAL ESTATE CO309/09/2024
BROWN HARRIS STEVENS111/03/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ARCX DESIGN INC201/16/2025
L & L CONSULTING SERVICES205/28/2024
DINA VEDMED ARCHITECT111/17/2023
KUSHNER STUDIOS109/09/2024
ORLI ESHKAR ARCHITECT PLLC112/10/2021
23 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 23Open permit 5Signed off 18
23 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01411087 ↗346 WEST END AVENUE
MANHATTAN
AlterationPermit Issued07/06/202608/11/2026New partition and sliding door, stairs and loft area at BR#2. Remove partitions at partial kitchen area.
M01261275 ↗171 WEST 83 STREET
MANHATTAN
AlterationPermit Issued08/21/202505/06/2026File application to amend changes to approved and permitted ALT 991/87. Minor plumbing replacements and relocations. New washer in cellar. N…
M01315693 ↗346 WEST END AVENUE
MANHATTAN
AlterationPermit Issued12/08/202503/18/2026New stairs to rec room. Kitchen renov. Openings at rear exterior walls, new windows. Excavate for 8'0 ceiling ht in cellar. Stay back from e…
M01299161 ↗102 EAST 22 STREET
MANHATTAN
AlterationPermit Issued10/09/202503/04/2026INTERIOR NON-STRUCTURAL ALTERATION OF PENTHOUSE UNIT B (11B). REPLACEMENT OF FIXTURES, FINISHES, AND LIGHTING. NO CHANGE IN USE, OCCUPANCY O…
Q01261575 ↗41-48 40 STREET
QUEENS
AlterationSigned-off08/27/202501/15/2026INTERIOR NON-STRUCTURAL ALTERATION OF APARTMENT UNITS C10 , D8, AND D9. REPLACEMENT OF FIXTURES, FINISHES, AND LIGHTING. NO CHANGE IN USE, O…
M01160364 ↗238 EAST 25 STREET
MANHATTAN
AlterationSigned-off12/31/202401/13/2026RENOVATED APT 15, 4TH FL. RENOVATE APT 2 1ST FL AND CONVENIENCE STAIR TO CELLAR
M01157601 ↗207 EAST 74 STREET
MANHATTAN
AlterationSigned-off01/16/202502/04/2025INTERIOR NON-STRUCTURAL ALTERATION OF APARTMENT UNIT 11B. REPLACEMENT OF FIXTURES, FINISHES, AND LIGHTING. NO CHANGE IN USE, OCCUPANCY OR EG…
M01040848 ↗412 EAST 9 STREET
MANHATTAN
AlterationSigned-off06/14/202407/24/2024REPLACEMENT & INSTALLATION OF NEW PLUMBING FIXTURES AS PER THE DRAWINGS FILED HEREIN. FILED IN CONJUNCTION W/ GC #M01040848-I1
B08046623 ↗220 ST JAMES PLACE
BROOKLYN
AlterationSigned-off12/15/202203/13/2024Relocate 1 sink, 1 wc, 1 lav, 1 new washer., 1 new dw, 2 new shower, 1 new wc & 1 new 1av, cap & remove 1 tub
M00987918 ↗222 RIVERSIDE DRIVE
MANHATTAN
AlterationSigned-off02/09/202402/15/2024INTERIOR NON-STRUCTURAL ALTERATION OF APARTMENT UNIT 4C WITH MINOR PARTITION WALL WORK. REPLACEMENT OF FIXTURES, FINISHES, AND LIGHTING. NO …
M00769679 ↗54 AVENUE C
MANHATTAN
AlterationPermit Issued07/13/202201/29/2024Minor partition work with general carpentry in apt 3. No change to use, bulk or egress.
M00921120 ↗206 EAST 32 STREET
MANHATTAN
AlterationSigned-off08/17/202301/29/2024Relocate, remove, replace fixtures, apt 2rw, 4fw.
M00921147 ↗234 EAST 25 STREET
MANHATTAN
AlterationSigned-off10/05/202301/29/2024Minor renovation of apts 16 and 17 on 4th fl.
M00944591 ↗1325 FIFTH AVENUE
MANHATTAN
AlterationSigned-off10/24/202301/29/2024RENOVATE EXISTING APARTMENT; PARTITIONS, FLOORING, CABINETRY, COUNTER, DOORS, CEILING, FIXTURES & FINISHES. NO CHANGE IN USE,EGRESS OR OCCUP…
M00857527 ↗92 LAIGHT STREET
MANHATTAN
AlterationSigned-off04/19/202305/19/2023Interior demolition of existing non-bearing gyp. partitions. Installation of new non-bearing gyp. bd. partitions, door, frames & finishes a…
M00806962 ↗34 EAST 4 STREET
MANHATTAN
AlterationSigned-off01/25/202303/27/2023Minor partition work with general carpentry in apt 5RE. No change to use, bulk or egress.
B08006164 ↗220 ST JAMES PLACE
BROOKLYN
AlterationSigned-off10/11/202211/09/2022Minor partition work with general carpentry to combine apt 2L & 2R as per TPPN 3/97. No change to use, bulk or egress
B00782369 ↗320 STATE STREET
BROOKLYN
AlterationSigned-off08/08/202210/20/2022Minor partition work with general carpentry in apt 4. No change to use, bulk or egress
B00727588 ↗336 CLINTON AVENUE
BROOKLYN
AlterationSigned-off05/09/202210/13/2022Combine apts 3a & 4a with with minor partition work and genera carpentry as per TPPN 3/97. No change to use , bulk or egress.
M00775200 ↗34 EAST 4 STREET
MANHATTAN
AlterationSigned-off08/04/202208/23/2022Minor partition work with general carpentry in apt 3fe. No change to use, bulk or egress
B00709929 ↗336 CLINTON AVENUE
BROOKLYN
AlterationSigned-off04/25/202208/19/2022Combine apts 5 & 6 with with minor partition work and genera carpentry as per TPPN 3/97. No change to use , bulk or egress.
M00640441 ↗54 AVENUE C
MANHATTAN
AlterationSigned-off12/10/202106/24/2022Replace 2nd -5th stairs in existing location. Reinforce stair framing and floor joists at 4th and 5th floors.
M00641127 ↗238 EAST 25 STREET
MANHATTAN
AlterationSigned-off02/18/202206/21/2022Renovate apt 1 at 1st floor. New convenience stair to cellar. New partitions replacement and new plumbing fixtures to be filed under subsequ…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
346 WEST END AVENUE ↗408/06/2026
171 WEST 83 STREET ↗107/08/2026
336 CLINTON AVENUE ↗407/08/2026
207 EAST 74 STREET ↗107/08/2026
220 ST JAMES PLACE ↗407/08/2026
206 EAST 32 STREET ↗407/08/2026
34 EAST 4 STREET ↗407/08/2026
412 EAST 9 STREET ↗107/08/2026
234 EAST 25 STREET ↗407/08/2026
1325 FIFTH AVENUE ↗207/08/2026
54 AVENUE C ↗707/08/2026
41-48 40 STREET ↗207/08/2026
92 LAIGHT STREET ↗107/08/2026
102 EAST 22 STREET ↗206/28/2026
238 EAST 25 STREET ↗504/09/2026
320 STATE STREET ↗303/21/2026
222 RIVERSIDE DRIVE ↗303/21/2026
▾Documents — 250 on file (BIS + DOB NOW)
▸Plans & Drawings51
▸DOB NOWPlans/Sketch51
09/02/2026M00775200-I1 · 34 EAST 4 STREETRequest digital key ↗
Showing 3 of 51 on file for this type
▸Applications & Permits18
▸DOB NOWLPC Approval/Permit18
08/29/2026B00709929-P1 · 336 CLINTON AVENUEOpen ↗
08/16/2026M01411087-I1 · 346 WEST END AVENUEOpen ↗
08/15/2026M01411087-S1 · 346 WEST END AVENUEOpen ↗
Showing 3 of 18 on file for this type
▸Seals & Professional Certifications129
▸DOB NOWDPL-1: Design Professional Seal & Signature51
09/03/2026M00640441-I1 · 54 AVENUE COpen ↗
09/02/2026M00641127-I1 · 238 EAST 25 STREETOpen ↗
09/02/2026M00775200-I1 · 34 EAST 4 STREETOpen ↗
Showing 3 of 51 on file for this type
▸DOB NOWProgress Inspector Seal & Signature46
09/20/2026M00921147-I1 · 234 EAST 25 STREETOpen ↗
09/13/2026M01299161-I1 · 102 EAST 22 STREETOpen ↗
09/13/2026M01299161-I1 · 102 EAST 22 STREETOpen ↗
Showing 3 of 46 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature32
09/20/2026M00921147-I1 · 234 EAST 25 STREETOpen ↗
09/02/2026B08046623-P1 · 220 ST JAMES PLACEOpen ↗
09/01/2026M00641127-I1 · 238 EAST 25 STREETOpen ↗
Showing 3 of 32 on file for this type
▸Environmental & Asbestos48
▸DOB NOWDEP ACP-5: Asbestos Assessment Report48
09/02/2026M00641127-I1 · 238 EAST 25 STREETOpen ↗
09/02/2026M00775200-I1 · 34 EAST 4 STREETOpen ↗
09/01/2026M00769679-I1 · 54 AVENUE COpen ↗
Showing 3 of 48 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis2
08/13/2026M00641127-I1 · 238 EAST 25 STREETOpen ↗
08/13/2026B00782369-I1 · 320 STATE STREETOpen ↗
▸Other Documents2
▸DOB NOWProof of Historic Building2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type