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Design Firm
MATHESON ARCHITECTURE + DESIGN
Design
MANHATTAN · 7
6 buildings
18
Total Filings
7
Projects on File
6
Buildings Worked
0
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month7 projects all-time
0123Apr '21 · 1Dec '21 · 1Oct '22 · 1Jul '23 · 1Jan '24 · 1Jul '24 · 2202220232024
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Signed off7100%
By project type
Alteration7
Most active buildings
All buildings →
2421 BROADWAYMANHATTAN · latest 09/16/2025
2 projects
9 5 AVENUEMANHATTAN · latest 08/21/2023
1 projects
401 EAST 74 STREETMANHATTAN · latest 04/29/2021
1 projects
12 EAST 87 STREETMANHATTAN · latest 03/19/2024
1 projects
1254 MADISON AVENUEMANHATTAN · latest 03/28/2022
1 projects
230 EAST 20 STREETMANHATTAN · latest 03/01/2024
1 projects
Key relationships
Everyone →
Design firms
Filing representatives
Susan Mathesonlatest 06/12/2024
12 filings
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01065648 ↗2421 BROADWAY
MANHATTAN
AlterationSigned-off07/09/202409/16/2025
Contractor DESIGN2M LLC
Renovation of apartment 11B interior partition and plumbing changes and new finishes. No change is use, occupancy or egress.
M01065653 ↗2421 BROADWAY
MANHATTAN
AlterationSigned-off07/09/202408/05/2024Renovation of apartment 11B, plumbing fixture modifications. No change is use, occupancy or egress.
M00793601 ↗12 EAST 87 STREET
MANHATTAN
AlterationSigned-off10/18/202203/19/2024Renovation of Apt. 8AD: Interior partition changes and finishes, renovation of bathroom.
M00981088 ↗230 EAST 20 STREET
MANHATTAN
AlterationSigned-off01/19/202403/01/2024
Contractor DESIGN2M LLC
APARTMENT RENOVATION. MINOR NON-LOAD BEARING PARITIONS WORK AND LIGHTING WORK. INSTALL NEW INTERIOR SLIDING DOORS AND POCKET DOORS. NO CHA…
M00891154 ↗9 5 AVENUE
MANHATTAN
AlterationSigned-off07/07/202308/21/2023Renovation of Apt. 7G. Interior partition changes & new finishes. Replace existing thru wall AC units with new.
M00585740 ↗1254 MADISON AVENUE
MANHATTAN
AlterationSigned-off12/08/202103/28/2022
Contractor DESIGN2M LLC
Renovation of apartment 2c, renovate bathrooms, new wood flooring and finishes, infill window opening.
Counts cover all 7 projects (7 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
Susan Matheson1206/12/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RAYMOND NERENBERG PE205/01/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DESIGN2M LLC307/09/2024
ALL MAKES HTG & A/C CORP105/01/2024
ANESIS MECHANICAL CORP103/04/2022
AQUEDUCT MECHANICAL CORP109/12/2025
BEN KRUPINSKI BUILDER LLC105/01/2024
NYC PLUMBING & HEATING IN105/01/2024
REAL RENOVATION & DESIGN104/16/2021
S & J INDUSTRIAL CORP111/28/2023
V.A.N. CONSTRUCTION CORP111/28/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DOUGLAS ELLIMAN PROPERTY MANAGEMENT201/19/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HUNT ARCHITECTS509/12/2025
ADAM MAISER105/01/2024
JAM CONSULTANTS, INC.101/19/2024
7 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 7Signed off 7
7 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01065648 ↗2421 BROADWAY
MANHATTAN
AlterationSigned-off07/09/202409/16/2025
Contractor DESIGN2M LLC
Renovation of apartment 11B interior partition and plumbing changes and new finishes. No change is use, occupancy or egress.
M01065653 ↗2421 BROADWAY
MANHATTAN
AlterationSigned-off07/09/202408/05/2024Renovation of apartment 11B, plumbing fixture modifications. No change is use, occupancy or egress.
M00793601 ↗12 EAST 87 STREET
MANHATTAN
AlterationSigned-off10/18/202203/19/2024Renovation of Apt. 8AD: Interior partition changes and finishes, renovation of bathroom.
M00981088 ↗230 EAST 20 STREET
MANHATTAN
AlterationSigned-off01/19/202403/01/2024
Contractor DESIGN2M LLC
APARTMENT RENOVATION. MINOR NON-LOAD BEARING PARITIONS WORK AND LIGHTING WORK. INSTALL NEW INTERIOR SLIDING DOORS AND POCKET DOORS. NO CHA…
M00891154 ↗9 5 AVENUE
MANHATTAN
AlterationSigned-off07/07/202308/21/2023Renovation of Apt. 7G. Interior partition changes & new finishes. Replace existing thru wall AC units with new.
M00585740 ↗1254 MADISON AVENUE
MANHATTAN
AlterationSigned-off12/08/202103/28/2022
Contractor DESIGN2M LLC
Renovation of apartment 2c, renovate bathrooms, new wood flooring and finishes, infill window opening.
M00501452 ↗401 EAST 74 STREET
MANHATTAN
AlterationSigned-off04/16/202104/29/2021Minor interior partition changes, new finishes, new doors. Remove pantry in Apt. 5RS. No change in use, egress or occupancy.
Scope of Work
HVAC — 1 project · most recent 03/04/2022
Air Conditioning Systems Heating Systems
Plumbing — 1 project · most recent 03/04/2022
Water/Sanitary
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
2421 BROADWAY ↗406/12/2024
12 EAST 87 STREET ↗504/26/2024
230 EAST 20 STREET ↗112/21/2023
9 5 AVENUE ↗511/17/2023
1254 MADISON AVENUE ↗212/08/2021
401 EAST 74 STREET ↗1—
▾Documents — 104 on file (BIS + DOB NOW)
▸Plans & Drawings19
▸DOB NOWPlans/Sketch19
Showing 3 of 19 on file for this type
▸Applications & Permits11
▸DOB NOWLPC Approval/Permit11
09/02/2026M00585740-S4 · 1254 MADISON AVENUEOpen ↗
09/02/2026M00585740-S3 · 1254 MADISON AVENUEOpen ↗
09/02/2026M00585740-I1 · 1254 MADISON AVENUEOpen ↗
Showing 3 of 11 on file for this type
▸Seals & Professional Certifications56
▸DOB NOWProgress Inspector Seal & Signature26
08/27/2026M00585740-I1 · 1254 MADISON AVENUEOpen ↗
08/27/2026M00585740-I1 · 1254 MADISON AVENUEOpen ↗
08/26/2026M00891154-P1 · 9 5 AVENUEOpen ↗
Showing 3 of 26 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature18
09/03/2026M00501452-I1 · 401 EAST 74 STREETOpen ↗
09/02/2026M00585740-S1 · 1254 MADISON AVENUEOpen ↗
09/02/2026M00585740-I1 · 1254 MADISON AVENUEOpen ↗
Showing 3 of 18 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature12
09/21/2026M01065653-P1 · 2421 BROADWAYOpen ↗
09/02/2026M00891154-S1 · 9 5 AVENUEOpen ↗
09/01/2026M00891154-P2 · 9 5 AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸Environmental & Asbestos15
▸DOB NOWDEP ACP-5: Asbestos Assessment Report10
09/03/2026M00501452-I1 · 401 EAST 74 STREETOpen ↗
09/01/2026M00793601-S1 · 12 EAST 87 STREETOpen ↗
09/01/2026M00793601-P2 · 12 EAST 87 STREETOpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form5
09/02/2026M00585740-S3 · 1254 MADISON AVENUEOpen ↗
09/02/2026M00585740-S4 · 1254 MADISON AVENUEOpen ↗
08/30/2026M00891154-I1 · 9 5 AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸Energy Compliance3
▸DOB NOWEN2: As Built Energy Analysis.3
09/02/2026M00585740-I1 · 1254 MADISON AVENUEOpen ↗
08/13/2026M00501452-I1 · 401 EAST 74 STREETOpen ↗
09/02/2026M00585740-S4 · 1254 MADISON AVENUEOpen ↗