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Design Firm
EK ENGINEERING,P.C.
Design
4 projects with open permitsBROOKLYN · 7QUEENS · 6MANHATTAN · 3
15 buildings
22
Total Filings
19
Projects on File
15
Buildings Worked
4
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month19 projects all-time
0134Oct '19 · 2Apr '20 · 1May '20 · 1Mar '21 · 2Jun '21 · 2Sep '22 · 1Oct '22 · 3Dec '23 · 1Jan '24 · 2Jan '26 · 1Apr '26 · 1Jun '26 · 1Aug '26 · 12020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit421%
Signed off842%
Filed only737%
By project type
Alteration19
Most active buildings
All buildings →
1279 ST JOHNS PLACEBROOKLYN · 1 open · latest 10/13/2023
2 projects
27 OAKLAND PLACEBROOKLYN · latest 05/02/2020
2 projects
151 COURT STREETBROOKLYN · 1 open · latest 08/14/2026
2 projects
242-11 VAN ZANDT AVENUEQUEENS · latest 05/28/2021
2 projects
71 BROADWAYMANHATTAN · latest 10/28/2019
1 projects
430 WEST 34 STREETMANHATTAN · latest 11/12/2019
1 projects
Key relationships
Everyone →
Filing representatives
6 projects
1 projects
EDWARD KAJAlatest 04/07/2026
16 filings
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q01350260 ↗20-01 STEINWAY STREET
QUEENS
AlterationPermit Issued04/02/202609/02/2026Installation of 5 Heat Pump Systems as shown on submitted plans. No change in occupancy, use or egress.
B01350140 ↗151 COURT STREET
BROOKLYN
AlterationFiled — no permit on record08/14/2026——
B01383764 ↗151 COURT STREET
BROOKLYN
AlterationPermit Issued06/08/202608/11/2026Installation of Air-Source Heat pump units for apartments as shown on submitted plans. No change in occupancy, use or egress.
M01342756 ↗2459 FREDRICK DOUGLASS BL
MANHATTAN
AlterationPermit Issued01/07/202606/26/2026We respectfully wish to file mechanical work on the first floor as per plans. New duct work, new air conditioning units as per plans.
X00931637 ↗441 EAST 164 STREET
BRONX
AlterationFiled — no permit on record01/10/2024——
X00944875 ↗434 EAST 165 STREET
BRONX
AlterationFiled — no permit on record01/10/2024——
Counts cover all 19 projects (19 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
EDWARD KAJA1604/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
FOUR STAR AIR CON'D CO LL206/08/2026
AIDEN HVAC MECHANICAL INC106/12/2021
CONTINENTAL NETWORK CORP110/20/2022
EXPERT FIRE SPRINKLER LLC101/07/2026
KYPROS MECHANICAL CORP107/28/2021
LOVE YOUR HOME CONTRACTIN108/08/2021
NICHOLAS A. CANTATORE112/01/2022
PROCORE MECHANICAL CORP110/21/2019
RIGHT TEMP MECHANICAL INC103/01/2021
TAINO MECHANICAL CONTRACT112/22/2023
WAXTEL LLC110/31/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ARISTA REAL ESTATE HOLDINGS208/14/2026
JEMCAP210/31/2022
SHLEPPERS HOLDINGS LLC201/10/2024
EQUITY RESIDENTIAL110/28/2019
Gibbons Realty Corp101/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
S&M EXPEDITING608/14/2026
R CONSULTING101/07/2026
19 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 19Open permit 4Signed off 8Filed only 7
19 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q01350260 ↗20-01 STEINWAY STREET
QUEENS
AlterationPermit Issued04/02/202609/02/2026Installation of 5 Heat Pump Systems as shown on submitted plans. No change in occupancy, use or egress.
B01350140 ↗151 COURT STREET
BROOKLYN
AlterationFiled — no permit on record08/14/2026——
B01383764 ↗151 COURT STREET
BROOKLYN
AlterationPermit Issued06/08/202608/11/2026Installation of Air-Source Heat pump units for apartments as shown on submitted plans. No change in occupancy, use or egress.
M01342756 ↗2459 FREDRICK DOUGLASS BL
MANHATTAN
AlterationPermit Issued01/07/202606/26/2026We respectfully wish to file mechanical work on the first floor as per plans. New duct work, new air conditioning units as per plans.
X00931637 ↗441 EAST 164 STREET
BRONX
AlterationFiled — no permit on record01/10/2024——
X00944875 ↗434 EAST 165 STREET
BRONX
AlterationFiled — no permit on record01/10/2024——
X00961633 ↗315 CASANOVA STREET
BRONX
AlterationSigned-off12/22/202301/04/2024DESIGN FOR THE REPLACEMENT OF TWO ROOF TOP AC UNITS FOR THE BUILDING AS SHOWN ON PLANS. THERE IS NO CHANGE IN USE, OCCUPANCY OR MEANS OF EGR…
B00776705 ↗1279 ST JOHNS PLACE
BROOKLYN
AlterationPermit Issued10/31/202210/13/2023
Owner JEMCAP
Contractor WAXTEL LLC
INSTALLATION OF SPLIT DX AC SYSTEMS FOR THE BUILDING. DESIGN INCLUDES INDOOR & OUTDOOR UNITS, REFRIDGERANT PIPING, CONSENDATE PIPING, PIPING…
Q00776769 ↗36-32 MAIN STREET
QUEENS
AlterationSigned-off10/20/202212/02/2022DESIGN FOR THE INSTALLATION OF ONE SPLIT DX AC SYSTM FOR THE BUILDING. DESIGN INCLUDES INDOOR UNITS, OUTDOOR UNITS, REFRIGERANT PIPING, SUPP…
B00776685 ↗1279 ST JOHNS PLACE
BROOKLYN
AlterationFiled — no permit on record10/31/2022—
Owner JEMCAP
—
Q07995133 ↗49-06 SKILLMAN AVENUE
QUEENS
AlterationSigned-off09/16/202210/05/2022DESIGN FOR 1 NEW OIL-FIRED HOT WATER BOILER AS SHOWN ON PLANS. INCLUDING FUEL OIL TANK, FUEL OIL PIPING AND HOT WATER PIPING. THERE IS NO CH…
Q00528532 ↗121-07 SUTPHIN BOULEVARD
QUEENS
AlterationSigned-off06/14/202107/20/2021INSTALL NEW HVAC UNIT. THERE IS NO CHANGE IN USE, OCCUPANCY OR MEANS OF EGRESS
B00527554 ↗575 5 AVENUE
BROOKLYN
AlterationSigned-off06/12/202107/19/2021Installation of new HVAC system for 1st fl. commercial space as shown on plans. No change in use, egress or occupancy
Q00468616 ↗242-11 VAN ZANDT AVENUE
QUEENS
AlterationSigned-off03/01/202105/28/2021Design for the installation of two split DX AC systems for the building. Design includes indoor units, ducts, outdoor units, refrigerant pip…
Q00468637 ↗242-11 VAN ZANDT AVENUE
QUEENS
AlterationSigned-off03/01/202105/25/2021
Contractor MATHEW WEISS
Project includes partial domestic hot and cold water piping, gas piping, supports ,fittings, valves, etc. New indirect fired domestic hot wa…
B00322573 ↗27 OAKLAND PLACE
BROOKLYN
AlterationFiled — no permit on record05/02/2020———
B00339116 ↗27 OAKLAND PLACE
BROOKLYN
AlterationFiled — no permit on record04/28/2020———
M00223558 ↗430 WEST 34 STREET
MANHATTAN
AlterationSigned-off10/21/201911/12/2019Modification of bathroom and kitchen in 2nd floor apartment. No change in occupancy, use or egress.
M00193365 ↗71 BROADWAY
MANHATTAN
AlterationFiled — no permit on record10/28/2019——
Scope of Work
HVAC — 7 projects · most recent 08/14/2026
Heating and Air Conditioning Systems Air Conditioning Systems Ventilation Systems Heating Systems
Plumbing — 1 project · most recent 10/31/2022
Gas
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
151 COURT STREET ↗204/07/2026
2459 FREDRICK DOUGLASS BL ↗101/06/2026
434 EAST 165 STREET ↗110/07/2023
441 EAST 164 STREET ↗109/09/2023
49-06 SKILLMAN AVENUE ↗211/28/2022
1279 ST JOHNS PLACE ↗207/18/2022
121-07 SUTPHIN BOULEVARD ↗208/05/2021
242-11 VAN ZANDT AVENUE ↗307/27/2021
430 WEST 34 STREET ↗109/06/2019
71 BROADWAY ↗107/15/2019
27 OAKLAND PLACE ↗2—
575 5 AVENUE ↗1—
36-32 MAIN STREET ↗1—
20-01 STEINWAY STREET ↗1—
315 CASANOVA STREET ↗1—
▾Documents — 112 on file (BIS + DOB NOW)
▸Plans & Drawings22
▸DOB NOWPlans/Sketch15
09/01/2026B00527554-I1 · 575 5 AVENUERequest digital key ↗
Showing 3 of 15 on file for this type
▸DOB NOWPlans/Sketch - Plumbing4
09/02/2026B00339116-I1 · 27 OAKLAND PLACERequest digital key ↗
Showing 3 of 4 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems3
▸Applications & Permits1
▸DOB NOWLPC Approval/Permit1
08/13/2026M00193365-I1 · 71 BROADWAYOpen ↗
▸Seals & Professional Certifications61
▸DOB NOWProgress Inspector Seal & Signature24
09/23/2026M01342756-I1 · 2459 FREDRICK DOUGLASS BLOpen ↗
09/23/2026Q07995133-I1 · 49-06 SKILLMAN AVENUEOpen ↗
09/23/2026Q07995133-I1 · 49-06 SKILLMAN AVENUEOpen ↗
Showing 3 of 24 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature22
09/01/2026B00527554-I1 · 575 5 AVENUEOpen ↗
08/27/2026Q00468637-I1 · 242-11 VAN ZANDT AVENUEOpen ↗
08/27/2026Q00468637-P1 · 242-11 VAN ZANDT AVENUEOpen ↗
Showing 3 of 22 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature15
09/23/2026Q07995133-I1 · 49-06 SKILLMAN AVENUEOpen ↗
09/23/2026M01342756-I1 · 2459 FREDRICK DOUGLASS BLOpen ↗
09/23/2026Q07995133-I1 · 49-06 SKILLMAN AVENUEOpen ↗
Showing 3 of 15 on file for this type
▸Safety & Tenant Protection5
▸DOB NOWTenant Protection Plan4
08/13/2026M00193365-I1 · 71 BROADWAYOpen ↗
08/13/2026M00223558-I1 · 430 WEST 34 STREETOpen ↗
08/13/2026B00339116-I1 · 27 OAKLAND PLACEOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWHPD-1: Anti-Harassment Area Checklist1
08/13/2026M00223558-I1 · 430 WEST 34 STREETOpen ↗
▸Environmental & Asbestos16
▸DOB NOWDEP ACP-5: Asbestos Assessment Report15
08/27/2026Q00468637-P1 · 242-11 VAN ZANDT AVENUEOpen ↗
08/27/2026Q00528532-P1 · 121-07 SUTPHIN BOULEVARDOpen ↗
08/27/2026Q00528532-I1 · 121-07 SUTPHIN BOULEVARDOpen ↗
Showing 3 of 15 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1
08/13/2026M00193365-I1 · 71 BROADWAYOpen ↗
▸Energy Compliance5
▸DOB NOWEN2: As Built Energy Analysis.4
08/13/2026Q00468616-I1 · 242-11 VAN ZANDT AVENUEOpen ↗
08/13/2026Q00528532-I1 · 121-07 SUTPHIN BOULEVARDOpen ↗
08/13/2026B00527554-I1 · 575 5 AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWPreliminary Commissioning Report Certification1
08/13/2026X00961633-I1 · 315 CASANOVA STREETOpen ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWTransit Authority Approval1
08/13/2026M00223558-I1 · 430 WEST 34 STREETOpen ↗
▸Other Documents1
▸DOB NOWHPD4: CONH Pilot Program1
08/13/2026M01342756-I1 · 2459 FREDRICK DOUGLASS BLOpen ↗