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Design Firm
MATTHEW MICHALSKI
Design
5 projects with open permitsMANHATTAN · 12BROOKLYN · 5QUEENS · 1
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11 buildings
33
Total Filings
18
Projects on File
11
Buildings Worked
5
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month18 projects all-time
0134Mar '22 · 2Apr '22 · 3May '22 · 2Oct '22 · 1Mar '23 · 2Apr '23 · 1Jul '24 · 1Jan '25 · 1Jun '25 · 1Jul '25 · 1Aug '25 · 1Oct '25 · 1Jun '26 · 12023202420252026
bars = month · line = 3-mo average
Portfolio status
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Open permit528%
Signed off1372%
By project type
Alteration17
Alteration CO1
Most active buildings
All buildings →
420 12 STREETBROOKLYN · 1 open · latest 11/12/2025
3 projects
113 WEST 17 STREETMANHATTAN · latest 05/16/2023
2 projects
145 CENTRAL PARK WESTMANHATTAN · latest 01/10/2023
2 projects
870 5 AVENUEMANHATTAN · latest 01/05/2023
2 projects
1009 5 AVENUEMANHATTAN · 2 open · latest 09/22/2026
2 projects
464 EAST 19 STREETBROOKLYN · latest 08/03/2023
2 projects
Key relationships
Everyone →
Filing representatives
6 projects
5 projects
2 projects
2 projects
Owners
2 projects
2 projects
1 projects
People
All people →
MATTHEW MICHALSKIlatest 05/26/2026
21 filings
Filed under
MATTHEW MICHALSKI33
Identified by the contact ids of the people who file for the firm and by its email domain (michalskistudio.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01254461 ↗1009 5 AVENUE
MANHATTAN
Alteration COPermit Issued08/08/202509/22/2026
Owner SEBASTIAN CAPITAL INC
Contractor COW BAY SPRINKLER CORP
Filer BOYD CONSULTING, INC
The work shown in this drawing set focuses on the support of excavation for the construction of a new elevator at the existing cellar level …
M01407091 ↗15 CENTRAL PARK WEST
MANHATTAN
AlterationPermit Issued06/29/202609/14/2026
Contractor UBS BUILDERS, LLC
Filer GREEN LIGHT EXPEDITING LLC
Remove existing dropped ceiling and lighting in living room, dining room and foyer. Install new LED light coves and dropped soffits in livi…
M01139867 ↗1009 5 AVENUE
MANHATTAN
AlterationPermit Issued01/24/202503/20/2026
Owner SEBASTIAN CAPITAL INC
Contractor COW BAY SPRINKLER CORP
Filer BOYD CONSULTING, INC
INTERIOR RENOVATION- REMOVAL OF NON-BEARING PARTITIONS THROUGHOUT THE BLDING. EXISTING SERVICE ELEVATOR AND EGRESS STAIRS TO REMAIN. EXTG PA…
M01221994 ↗53 LIBERTY STREET
MANHATTAN
AlterationPermit Issued07/16/202512/18/2025
Contractor COW BAY SPRINKLER CORP
MINOR PARTITION WORK. REPLACEMENT OF PLUMBING FIXTURES AND FINISHES (FILED UNDER SEPARATE APPLICATION). NO CHANGE TO USE, ZONING, OCCUPANCY,…
B01272442 ↗420 12 STREET
BROOKLYN
AlterationSigned-off10/30/202511/12/2025
Contractor R&S ELITE CONSTRUCTION
MODIFICATIONS TO EXISTING RESIDENTIAL SPACE. NO CHANGE TO USE, OCCUPANCY OR EGRESS
B01219909 ↗420 12 STREET
BROOKLYN
AlterationPermit Issued06/09/202511/05/2025
Contractor ICE AGE MECHANICAL CORP
Filer PWF
MODIFICATIONS TO EXISTING RESIDENTIAL SPACE. NO CHANGE TO USE, OCCUPANCY OR EGRESS
Counts cover all 18 projects (18 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
MATTHEW MICHALSKI2105/26/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JOHN CIARDULLO PC207/24/2026
BENDIX ENGINEERING, P.C.107/24/2026
EP ENGINEERING LLC106/09/2025
GEOTECHNICAL ENGINEERING SERVICES107/24/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
COW BAY SPRINKLER CORP307/24/2026
ELAN CONTRACTS INC204/13/2023
R&S ELITE CONSTRUCTION210/31/2025
CORNERSTONE CONTRACTING C105/09/2022
DONATO PLUMBING, INC109/19/2023
DYNAIRE LLC107/24/2026
EDMUND LEWIS LTD104/24/2023
FIVE BOROUGH NYC LLC107/24/2026
FJB CONTRACTING INC104/28/2022
GARRITY CONTRACTING LLC104/29/2022
GBL MECHANICAL INC111/28/2022
ICE AGE MECHANICAL CORP106/09/2025
K.O.S. PLUMBING&HEATING,I110/26/2023
MACCARONE PLUMBING INC107/24/2026
NORTHWOOD INTERIOR CORP103/25/2023
ORBIT PLBG & HTG INC103/20/2023
UBS BUILDERS, LLC106/29/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
FSI209/19/2023
SEBASTIAN CAPITAL INC207/24/2026
ROMANOFF EQUITIES, INC.104/13/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
GREEN LIGHT EXPEDITING LLC606/29/2026
BMB BUILDING CONSULTING INC.504/13/2023
BOYD CONSULTING, INC207/24/2026
PWF206/09/2025
18 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 18Open permit 5Signed off 13
Any typeAlteration 17Alteration CO 1
18 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01254461 ↗1009 5 AVENUE
MANHATTAN
Alteration COPermit Issued08/08/202509/22/2026
Owner SEBASTIAN CAPITAL INC
Contractor COW BAY SPRINKLER CORP
Filer BOYD CONSULTING, INC
The work shown in this drawing set focuses on the support of excavation for the construction of a new elevator at the existing cellar level …
M01407091 ↗15 CENTRAL PARK WEST
MANHATTAN
AlterationPermit Issued06/29/202609/14/2026
Contractor UBS BUILDERS, LLC
Filer GREEN LIGHT EXPEDITING LLC
Remove existing dropped ceiling and lighting in living room, dining room and foyer. Install new LED light coves and dropped soffits in livi…
M01139867 ↗1009 5 AVENUE
MANHATTAN
AlterationPermit Issued01/24/202503/20/2026
Owner SEBASTIAN CAPITAL INC
Contractor COW BAY SPRINKLER CORP
Filer BOYD CONSULTING, INC
INTERIOR RENOVATION- REMOVAL OF NON-BEARING PARTITIONS THROUGHOUT THE BLDING. EXISTING SERVICE ELEVATOR AND EGRESS STAIRS TO REMAIN. EXTG PA…
M01221994 ↗53 LIBERTY STREET
MANHATTAN
AlterationPermit Issued07/16/202512/18/2025
Contractor COW BAY SPRINKLER CORP
MINOR PARTITION WORK. REPLACEMENT OF PLUMBING FIXTURES AND FINISHES (FILED UNDER SEPARATE APPLICATION). NO CHANGE TO USE, ZONING, OCCUPANCY,…
B01272442 ↗420 12 STREET
BROOKLYN
AlterationSigned-off10/30/202511/12/2025
Contractor R&S ELITE CONSTRUCTION
MODIFICATIONS TO EXISTING RESIDENTIAL SPACE. NO CHANGE TO USE, OCCUPANCY OR EGRESS
B01219909 ↗420 12 STREET
BROOKLYN
AlterationPermit Issued06/09/202511/05/2025
Contractor ICE AGE MECHANICAL CORP
Filer PWF
MODIFICATIONS TO EXISTING RESIDENTIAL SPACE. NO CHANGE TO USE, OCCUPANCY OR EGRESS
B01067176 ↗420 12 STREET
BROOKLYN
AlterationSigned-off07/03/202410/08/2024
Contractor R&S ELITE CONSTRUCTION
Filer PWF
MODIFICATIONS TO EXISTING RESIDENTIAL SPACE. NO CHANGE TO USE, OCCUPANCY OR EGRESS
B00802770 ↗464 EAST 19 STREET
BROOKLYN
AlterationSigned-off03/27/202308/03/2023
Contractor A.M.N. CORPORATION
Filer GREEN LIGHT EXPEDITING LLC
Relocate existing kitchen to new location on first floor and replace existing doors and windows at rear elevation. No change in use, egress…
M00696508 ↗113 WEST 17 STREET
MANHATTAN
AlterationSigned-off03/29/202205/16/2023
Owner FSI
Contractor ARCON PLBG SOLUTIONS
Filer GREEN LIGHT EXPEDITING LLC
Renovate existing loft including kitchen, one bathroom, one bedroom and office area.
Q00691643 ↗11-12 44 DRIVE
QUEENS
AlterationSigned-off10/24/202205/11/2023
Contractor ELAN CONTRACTS
Filer GREEN LIGHT EXPEDITING LLC
Filing to erect/install motorized, louvered pergola as per plans. No change in use, egress, or occupancy under this application.
B00802535 ↗464 EAST 19 STREET
BROOKLYN
AlterationSigned-off03/25/202305/10/2023
Contractor NORTHWOOD INTERIOR CORP
Filer GREEN LIGHT EXPEDITING LLC
Move kitchen to existing bedroom on first floor and install new doors and windows at rear elevation.
M00835717 ↗807 WASHINGTON STREET
MANHATTAN
AlterationSigned-off04/13/202305/02/2023
Owner ROMANOFF EQUITIES, INC.
Contractor ELAN CONTRACTS
Filer BMB BUILDING CONSULTING INC.
PROPOSE INTERIOR RENOVATION AT 1ST FLOOR, WITH MINOR PARTITION, AND FINISH WORK AS PER PLAN. PLUMBING WORK WILL FILE SEPARATE. NO CHANGE IN …
M00731622 ↗145 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off05/09/202201/10/2023
Contractor CORNERSTONE CONTRACTING C
Filer BMB BUILDING CONSULTING INC.
PROPOSE INTERIOR RENOVATIONS AT APT#11C, WPRKS INCLUDES MINOR PARTITIONS, MECHANICAL WORK AND FINISH WORK AS PER PLAN. PL WORK WILL BE FILED…
M00711262 ↗870 5 AVENUE
MANHATTAN
AlterationSigned-off04/29/202201/05/2023
Contractor GARRITY CONTRACTING LLC
Filer BMB BUILDING CONSULTING INC.
PROPOSE INTERIOR RENOVATION AT EXISTING APT #15C, MINIOR PARTITONS AND FINISH WORK AS PER PLAN. PLUMBING WORK FILED UNDER SEPARATE APPLICATI…
M00731623 ↗145 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off05/09/202207/11/2022
Contractor LIQUID TECH PLBG&HTG,INC
Filer BMB BUILDING CONSULTING INC.
PROPOSE PLUMBING WORK IN CONJUNCTION WITH ARCH. DESIGN. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00712091 ↗870 5 AVENUE
MANHATTAN
AlterationSigned-off04/29/202207/06/2022
Contractor ORBIT PLBG & HTG INC
Filer BMB BUILDING CONSULTING INC.
PROPOSE PLUMBING WORK IN CONJUNCTION WITH ARCH DESIGN AS PER PLAN. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00694655 ↗113 WEST 17 STREET
MANHATTAN
AlterationSigned-off03/29/202205/27/2022
Owner FSI
Contractor EDMUND LEWIS LTD
Filer GREEN LIGHT EXPEDITING LLC
renovate existing loft including kitchen, one bathroom, one bedroom and office area. No change in use, egress or occupancy proposed under t…
M00725959 ↗30 EAST 31 STREET
MANHATTAN
AlterationSigned-off04/28/202205/18/2022
Contractor FJB CONTRACTING INC
Filing to renovate apartment #17 with Minor partition work, replacement of FRSC doors, and finish work as per plans. No change in use, egre…
Scope of Work
HVAC — 2 projects · most recent 07/24/2026
Heating and Air Conditioning Systems Generators Ventilation Systems
Sprinkler / Standpipe — 1 project · most recent 07/24/2026
Sprinkler System
Plumbing — 1 project · most recent 07/24/2026
Gas Storm Water/Sanitary
Electrical — 1 project · most recent 03/10/2026
No specific sub-scope on file — project count only.
Structural — 2 projects · most recent 07/24/2026
Steel Concrete
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
15 CENTRAL PARK WEST ↗105/26/2026
1009 5 AVENUE ↗707/11/2025
420 12 STREET ↗505/02/2025
464 EAST 19 STREET ↗310/23/2023
113 WEST 17 STREET ↗609/12/2023
807 WASHINGTON STREET ↗102/27/2023
145 CENTRAL PARK WEST ↗311/21/2022
870 5 AVENUE ↗407/18/2022
11-12 44 DRIVE ↗103/03/2022
30 EAST 31 STREET ↗1—
53 LIBERTY STREET ↗1—
▾Documents — 246 on file (BIS + DOB NOW)
▸Plans & Drawings50
▸DOB NOWPlans/Sketch50
09/02/2026M00696508-P1 · 113 WEST 17 STREETRequest digital key ↗
09/02/2026M00696508-P2 · 113 WEST 17 STREETRequest digital key ↗
09/02/2026M00725959-I1 · 30 EAST 31 STREETRequest digital key ↗
Showing 3 of 50 on file for this type
▸Applications & Permits36
▸DOB NOWLPC Approval/Permit36
09/02/2026M00731623-P1 · 145 CENTRAL PARK WESTOpen ↗
09/02/2026M00731623-I1 · 145 CENTRAL PARK WESTOpen ↗
08/15/2026B00802770-I1 · 464 EAST 19 STREETOpen ↗
Showing 3 of 36 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Seals & Professional Certifications99
▸DOB NOWDPL-1: Design Professional Seal & Signature44
09/02/2026M00696508-I1 · 113 WEST 17 STREETOpen ↗
09/02/2026M00696508-P1 · 113 WEST 17 STREETOpen ↗
09/02/2026M00725959-I1 · 30 EAST 31 STREETOpen ↗
Showing 3 of 44 on file for this type
▸DOB NOWProgress Inspector Seal & Signature29
09/23/2026M01254461-S1 · 1009 5 AVENUEOpen ↗
09/19/2026B01219909-P1 · 420 12 STREETOpen ↗
09/10/2026M01254461-P5 · 1009 5 AVENUEOpen ↗
Showing 3 of 29 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature26
09/23/2026M01254461-S5 · 1009 5 AVENUEOpen ↗
09/23/2026M01254461-S1 · 1009 5 AVENUEOpen ↗
09/19/2026B01219909-P1 · 420 12 STREETOpen ↗
Showing 3 of 26 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Environmental & Asbestos45
▸DOB NOWDEP ACP-5: Asbestos Assessment Report41
09/02/2026M00696508-P1 · 113 WEST 17 STREETOpen ↗
09/02/2026M00731623-I1 · 145 CENTRAL PARK WESTOpen ↗
09/02/2026M00731623-P1 · 145 CENTRAL PARK WESTOpen ↗
Showing 3 of 41 on file for this type
▸DOB NOWOER: Notice to Proceed2
08/13/2026Q00691643-I1 · 11-12 44 DRIVEOpen ↗
08/13/2026M00835717-I1 · 807 WASHINGTON STREETOpen ↗
▸DOB NOWOER: Notice of Satisfaction2
08/13/2026Q00691643-I1 · 11-12 44 DRIVEOpen ↗
08/13/2026M00835717-I1 · 807 WASHINGTON STREETOpen ↗
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis2
08/13/2026M00694655-I1 · 113 WEST 17 STREETOpen ↗
08/13/2026M00725959-I1 · 30 EAST 31 STREETOpen ↗
▸Other Documents12
▸DOB NOWProof of Historic Building10
09/02/2026M00731623-I1 · 145 CENTRAL PARK WESTOpen ↗
09/02/2026M00731623-P1 · 145 CENTRAL PARK WESTOpen ↗
08/14/2026M00711262-I1 · 870 5 AVENUEOpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWAdjoining Owners Notification1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWProperty Ownership Certification1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type