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Design Firm
LIMNARCHITECTURE
Design
2 projects with open permitsMANHATTAN · 5
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4 buildings
12
Total Filings
5
Projects on File
4
Buildings Worked
2
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month5 projects all-time
0112Dec '20 · 1Mar '22 · 1Jun '22 · 1May '25 · 1Aug '26 · 1202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit240%
Signed off120%
Filed only240%
By project type
Alteration5
Most active buildings
All buildings →
750 PARK AVENUEMANHATTAN · latest 08/26/2026
2 projects
123 PRINCE STREETMANHATTAN · 1 open · latest 04/06/2021
1 projects
800 PARK AVENUEMANHATTAN · latest 06/15/2022
1 projects
1125 5 AVENUEMANHATTAN · 1 open · latest 10/24/2025
1 projects
Key relationships
Everyone →
Filing representatives
2 projects
2 projects
People
All people →
STEPHEN KOWALSKIlatest 08/04/2025
7 filings
Filed under
LIMNARCHITECTURE12
Identified by the contact ids of the people who file for the firm and by its email domain (sekarchitect.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01220048 ↗750 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record08/26/2026—
Filer New Approach Consulting LLC
—
M00701091 ↗1125 5 AVENUE
MANHATTAN
AlterationPermit Issued06/27/202210/24/2025
Contractor KEPTECH BUILDERS GRP
Filer CONSTRUCTION PERMIT SERVICES
Relocate clothes washer and sink to adjacent wall. Extend gas line to relocated dryer. Install air handler condensate drains, connecting to …
M01199124 ↗750 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record05/20/2025—
Filer New Approach Consulting LLC
—
M00690119 ↗800 PARK AVENUE
MANHATTAN
AlterationSigned-off03/18/202206/15/2022
Contractor INTEGRATE COMFORT SYSTEM
Filer CONSTRUCTION PERMIT SERVICES
Herewith filing for interior renovation and replacing some louvers on the 5th floor apartment 5 with related mechanical work as per the dra…
M00367223 ↗123 PRINCE STREET
MANHATTAN
AlterationPermit Issued12/23/202004/06/2021
Contractor ZEFI MECHANICAL INC
Filer CONSTRUCTION PERMIT SERVICES
MODIFICATION OF EXISTING PLUMBING ON THE 4TH FLOOR.NO CHANGE IN USE, EGRESS OR OCCUPANCY..
Counts cover all 5 projects (5 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
STEPHEN KOWALSKI708/04/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HANINGTON ENGINEERING CONSULTANTS208/18/2025
MCSWEENEY ENGINEERING108/26/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ALL PRO PLBG & HTG INC112/23/2020
FLOWCON INC103/18/2022
INTEGRATE COMFORT SYSTEM103/18/2022
KEPTECH BUILDERS GRP LLC104/24/2025
PAM AIR CONDITIONING INC104/24/2025
WALTER J.GRANDE P & H INC104/24/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CONSTRUCTION PERMIT SERVICES204/24/2025
New Approach Consulting LLC208/26/2026
5 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 5Open permit 2Signed off 1Filed only 2
5 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01220048 ↗750 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record08/26/2026—
Filer New Approach Consulting LLC
—
M00701091 ↗1125 5 AVENUE
MANHATTAN
AlterationPermit Issued06/27/202210/24/2025
Contractor KEPTECH BUILDERS GRP
Filer CONSTRUCTION PERMIT SERVICES
Relocate clothes washer and sink to adjacent wall. Extend gas line to relocated dryer. Install air handler condensate drains, connecting to …
M01199124 ↗750 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record05/20/2025—
Filer New Approach Consulting LLC
—
M00690119 ↗800 PARK AVENUE
MANHATTAN
AlterationSigned-off03/18/202206/15/2022
Contractor INTEGRATE COMFORT SYSTEM
Filer CONSTRUCTION PERMIT SERVICES
Herewith filing for interior renovation and replacing some louvers on the 5th floor apartment 5 with related mechanical work as per the dra…
M00367223 ↗123 PRINCE STREET
MANHATTAN
AlterationPermit Issued12/23/202004/06/2021
Contractor ZEFI MECHANICAL INC
Filer CONSTRUCTION PERMIT SERVICES
MODIFICATION OF EXISTING PLUMBING ON THE 4TH FLOOR.NO CHANGE IN USE, EGRESS OR OCCUPANCY..
Scope of Work
HVAC — 2 projects · most recent 08/18/2025
Ventilation Systems Air Conditioning Systems Heating Systems
Plumbing — 3 projects · most recent 08/26/2026
Water/Sanitary Gas
Structural — 1 project · most recent 08/18/2025
No specific sub-scope on file — project count only.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
750 PARK AVENUE ↗708/04/2025
1125 5 AVENUE ↗302/12/2025
800 PARK AVENUE ↗103/01/2022
123 PRINCE STREET ↗107/07/2020
▾Documents — 95 on file (BIS + DOB NOW)
▸Plans & Drawings17
▸DOB NOWPlans/Sketch16
08/27/2026M01220048-S1 · 750 PARK AVENUERequest digital key ↗
08/27/2026M01220048-I1 · 750 PARK AVENUERequest digital key ↗
08/27/2026M01220048-S2 · 750 PARK AVENUERequest digital key ↗
Showing 3 of 16 on file for this type
▸DOB NOWPlans/Sketch - Plumbing1
08/15/2026M00367223-I1 · 123 PRINCE STREETRequest digital key ↗
▸Applications & Permits15
▸DOB NOWLPC Approval/Permit15
08/27/2026M01220048-S1 · 750 PARK AVENUEOpen ↗
08/27/2026M01220048-I1 · 750 PARK AVENUEOpen ↗
08/27/2026M01220048-S2 · 750 PARK AVENUEOpen ↗
Showing 3 of 15 on file for this type
▸Seals & Professional Certifications42
▸DOB NOWSpecial Inspector Seal & Signature16
09/23/2026M01220048-I1 · 750 PARK AVENUEOpen ↗
09/23/2026M01220048-S1 · 750 PARK AVENUEOpen ↗
09/03/2026M01199124-S3 · 750 PARK AVENUEOpen ↗
Showing 3 of 16 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature15
09/02/2026M00690119-I1 · 800 PARK AVENUEOpen ↗
08/27/2026M01220048-I1 · 750 PARK AVENUEOpen ↗
08/25/2026M00701091-P2 · 1125 5 AVENUEOpen ↗
Showing 3 of 15 on file for this type
▸DOB NOWProgress Inspector Seal & Signature11
09/23/2026M01220048-I1 · 750 PARK AVENUEOpen ↗
09/23/2026M01220048-I1 · 750 PARK AVENUEOpen ↗
09/23/2026M01220048-I1 · 750 PARK AVENUEOpen ↗
Showing 3 of 11 on file for this type
▸Environmental & Asbestos17
▸DOB NOWDEP ACP-5: Asbestos Assessment Report17
08/27/2026M01220048-I1 · 750 PARK AVENUEOpen ↗
08/27/2026M01220048-S2 · 750 PARK AVENUEOpen ↗
08/27/2026M01220048-S1 · 750 PARK AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸Other Documents4
▸DOB NOWProof of Historic Building4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type