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Contractor
MKON CONSTRUCTION INC
General Contractor
5 projects with open permitsBROOKLYN · 10MANHATTAN · 10QUEENS · 4
18 buildings
51
Total Filings
24
Projects on File
14
Buildings Worked
5
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month24 projects all-time
0123Feb '02 · 1May '18 · 2Aug '18 · 1Mar '19 · 1Jun '19 · 1Jun '20 · 1Apr '21 · 1Sep '21 · 1Jan '22 · 2Jun '22 · 2Jul '22 · 1Sep '22 · 2Sep '23 · 1May '24 · 1Feb '25 · 1Aug '25 · 1Feb '26 · 1May '26 · 1Jun '26 · 1Aug '26 · 1200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit521%
Signed off1250%
Other status729%
By project type
Alteration17
Most active buildings
All buildings →
208 FREEMAN STREETBROOKLYN · 1 open · latest 03/27/2025
3 projects
16-09 JEFFERSON AVENUEQUEENS · latest 03/06/2019
3 projects
609 WEST 111 STREETMANHATTAN · 1 open · latest 07/10/2026
2 projects
123 NASSAU AVENUEBROOKLYN · latest 08/03/2022
2 projects
140 WEST STREETMANHATTAN · latest 09/18/2018
1 projects
10 EAST 12 STREETMANHATTAN · 1 open · latest 08/17/2026
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01434226 ↗135 RUSSELL ST
BROOKLYN
AlterationPermit Issued08/13/202609/10/2026Plumbing work in apartment # 3L in conjunction with general construction Job # B01434226-I1. No change to use, occupancy or egress.
M01357261 ↗234 WEST 106 STREET
MANHATTAN
AlterationPermit Issued02/13/202608/17/2026INTERIOR RENOVATION ON THE FIRST FLOOR IN APARTMENT 1F AS PER PLANS FILED HEREWITH. WORK INCLUDES REMOVAL AND INSTALLATION OF INTERIOR PARTI…
M01366150 ↗10 EAST 12 STREET
MANHATTAN
AlterationPermit Issued05/29/202608/17/2026PLUMBING WORK CONSISTING OF REMOVAL OF SHOWER, NEW WASHER AND REPLACEMENT OF WATER CLOSET TO APARTMENT 10 AS PER PLANS FILED HEREWITH. NO C…
M01412445 ↗609 WEST 111 STREET
MANHATTAN
AlterationPermit Issued06/12/202607/10/2026INTERIOR 5TH FL UNIT RENOVATION OF KITCHEN, BATH 1, AND POWDER ROOM. ELIMINATION OF DUMBWAITER CHASE.NEW CLOSET LAYOUT AT BEDROOM 1. REPLACE…
M01266000 ↗609 WEST 111 STREET
MANHATTAN
AlterationSigned-off08/14/202509/12/2025INTERIOR RENOVATION OF KITCHEN. ELIMINATION OF DUMBWAITER CHASE.MILLWORK REPLACEMENT OF DINING ROOM CLOSET AND LIVING ROOM BUILT-IN BENCH. N…
M01111661 ↗342 WEST 72 STREET
MANHATTAN
AlterationSigned-off02/25/202503/31/2025APARTMENT RENOVATION ON THE 2ND FLOOR IN UNIT 203 AS PER PLANS FILED HEREWITH. WORK INCLUDES REMOVAL AND INSTALLTION OF INTERIOR PARTITIONS.…
Counts cover all 24 projects (17 DOB NOW + 7 legacy BIS). 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
ALTAGRACIA ESTHER MARTINEZ, R.A.305/29/2026
CHRISTINA HALATSIS DESIGN306/12/2026
CO.DE CONSULTING AND DESIGN, INC.307/14/2022
STRUCTURAL ENGINEERING INTEGRATED310/10/2024
ADRIAN TOLBARU ARCHITECT108/12/2022
BICALURO ASSOCIATES PC110/13/2025
DAVID BERRIDGE ARCHITECT108/29/2023
KRIS KOZLOWSKI ARCHITECT108/13/2026
PRUDON & PARTNERS LLP110/13/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SIMPLE CHOICE PLBG AND HT205/29/2026
COOLING CONTROLS CORP110/13/2025
NEW YORK PARK PLBG&HTG CO108/29/2023
ORBIT PLBG & HTG INC108/13/2026
SUPERB PLUMBING & HEATING107/14/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
360 EAST 72ND STREET MANAGEMENT COR112/09/2022
483 ONDERDONK AVE CORP.107/14/2022
AKAM ASSOCIATES, INC.108/14/2025
Anpora Property Services, LLC105/29/2026
FirstService Residential112/04/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MUNICIPAL BUILDING CONSULTANTS405/29/2026
EPAC BUILDING CONSULTING INC306/12/2026
QUICK FILING OF NY INC310/10/2024
KX CONSULTING INC109/27/2021
SELF EMPLOYED108/13/2026
17 DOB NOW projects + 7 legacy BIS 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 24Open permit 5Signed off 12Other status 7
24 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01434226 ↗135 RUSSELL ST
BROOKLYN
AlterationPermit Issued08/13/202609/10/2026Plumbing work in apartment # 3L in conjunction with general construction Job # B01434226-I1. No change to use, occupancy or egress.
M01357261 ↗234 WEST 106 STREET
MANHATTAN
AlterationPermit Issued02/13/202608/17/2026INTERIOR RENOVATION ON THE FIRST FLOOR IN APARTMENT 1F AS PER PLANS FILED HEREWITH. WORK INCLUDES REMOVAL AND INSTALLATION OF INTERIOR PARTI…
M01366150 ↗10 EAST 12 STREET
MANHATTAN
AlterationPermit Issued05/29/202608/17/2026PLUMBING WORK CONSISTING OF REMOVAL OF SHOWER, NEW WASHER AND REPLACEMENT OF WATER CLOSET TO APARTMENT 10 AS PER PLANS FILED HEREWITH. NO C…
M01412445 ↗609 WEST 111 STREET
MANHATTAN
AlterationPermit Issued06/12/202607/10/2026INTERIOR 5TH FL UNIT RENOVATION OF KITCHEN, BATH 1, AND POWDER ROOM. ELIMINATION OF DUMBWAITER CHASE.NEW CLOSET LAYOUT AT BEDROOM 1. REPLACE…
M01266000 ↗609 WEST 111 STREET
MANHATTAN
AlterationSigned-off08/14/202509/12/2025INTERIOR RENOVATION OF KITCHEN. ELIMINATION OF DUMBWAITER CHASE.MILLWORK REPLACEMENT OF DINING ROOM CLOSET AND LIVING ROOM BUILT-IN BENCH. N…
M01111661 ↗342 WEST 72 STREET
MANHATTAN
AlterationSigned-off02/25/202503/31/2025APARTMENT RENOVATION ON THE 2ND FLOOR IN UNIT 203 AS PER PLANS FILED HEREWITH. WORK INCLUDES REMOVAL AND INSTALLTION OF INTERIOR PARTITIONS.…
B00637967 ↗208 FREEMAN STREET
BROOKLYN
AlterationSigned-off01/24/202203/27/2025FILING TO ADDRESS VIOL.#39049561K & THE S.W.O..THE WORK INCLUDES INTERIOR RENO. OF THE CEL. FL. TO PATCH SHEETROCK AND FINISHES,RESTORE CONC…
M01025839 ↗465 WEST END AVENUE
MANHATTAN
AlterationSigned-off05/03/202403/14/2025plumbing work to unit 2A as per plans filed herewith. no change to use, egress or occupancy.
B00637966 ↗208 FREEMAN STREET
BROOKLYN
AlterationSigned-off01/24/202209/27/2024We are filing to replace the concrete foundation wall and footing, underpinning the surrounding grade (Note: construction and structural wo…
B00936465 ↗208 FREEMAN STREET
BROOKLYN
AlterationPermit Issued09/25/202310/12/2023—INTERIOR RENOVATION OF SECOND FLOOR APARTMENT
M07995369 ↗1325 1 AVENUE
MANHATTAN
AlterationSigned-off09/02/202202/21/2023interior renovation of existing apt# C2701 with minor partitions and interior finishes. no change in use, egress or occupancy.
M07998474 ↗345 WEST 88 STREET
MANHATTAN
AlterationSigned-off09/28/202202/21/2023plumbing work on apt 7D and 7E only. no change in use, egress or occupancy.
B00765456 ↗123 NASSAU AVENUE
BROOKLYN
AlterationSigned-off06/29/202208/03/2022Renovation of the existing storefront - replacement of the existing store front with new, replacement of existing roll-up door with new, rep…
Q00772596 ↗483 ONDERDONK AVENUE
QUEENS
AlterationSigned-off07/14/202207/28/2022Interior renovation of the apartment on the 1st floor, removal of some non-bearing partitions, installation of the new partitions, installat…
B00765453 ↗123 NASSAU AVENUE
BROOKLYN
AlterationSigned-off06/29/202207/23/2022New construction fence filed in conjunction with Alt. 2 Job #B00765456-I1.
301135554BIS275 BROADWAY
BROOKLYN
—ISSUED02/21/200204/27/2022—PL
B00497131 ↗963 MANHATTAN AVENUE
BROOKLYN
AlterationSigned-off04/05/202111/16/2021GENERAL RENOVATION OF FIRST FLOOR
B00599721 ↗13 CLIFFORD PLACE
BROOKLYN
AlterationSigned-off09/27/202110/01/2021INTERIOR RENOVATION TO APT#7&8 ON 4TH FLOOR. REMOVE AND CONSTRUCT PARTITIONS AND FINISHES. INSTALL MECHANICAL VENTILATION IN BATHROOMS. ALL …
123573436BIS350 WEST 125 STREET
MANHATTAN
—ISSUED06/15/202006/15/2020—OT
340684021BIS89 ESSEX STREET
BROOKLYN
—ISSUED06/26/201906/26/2019—OT
421633281BIS16-09 JEFFERSON AVENUE
QUEENS
—ISSUED03/06/201903/06/2019—OT
421602581BIS16-09 JEFFERSON AVENUE
QUEENS
—ISSUED05/03/201802/27/2019—EQ, OT
440460500BIS16-09 JEFFERSON AVENUE
QUEENS
—ISSUED05/16/201802/26/2019—OT
123574907BIS140 WEST STREET
MANHATTAN
—ISSUED08/30/201809/18/2018—OT, PL, SP
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
135 RUSSELL ST ↗109/02/2026
234 WEST 106 STREET ↗108/18/2026
10 EAST 12 STREET ↗108/13/2026
609 WEST 111 STREET ↗207/11/2026
208 FREEMAN STREET ↗2407/08/2026
123 NASSAU AVENUE ↗207/08/2026
345 WEST 88 STREET ↗107/08/2026
483 ONDERDONK AVENUE ↗107/08/2026
342 WEST 72 STREET ↗104/09/2026
465 WEST END AVENUE ↗404/09/2026
275 BROADWAY ↗103/22/2026
1325 1 AVENUE ↗603/21/2026
13 CLIFFORD PLACE ↗303/21/2026
963 MANHATTAN AVENUE ↗303/21/2026
▾Documents — 350 on file (BIS + DOB NOW)
▸Plans & Drawings37
▸DOB NOWPlans/Sketch37
09/01/2026M07995369-I1 · 1325 1 AVENUERequest digital key ↗
Showing 3 of 37 on file for this type
▸Applications & Permits57
▸BISPLAN / WORK APPROVAL APPLICATION33
04/30/2024123574907 · 140 WEST STREETOpen ↗
03/02/2023301135554 · 275 BROADWAYOpen ↗
02/13/2023301135554 · 275 BROADWAYOpen ↗
Showing 3 of 33 on file for this type
▸BISWORK PERMIT APPLICATION14
06/15/2020123573436 · 350 WEST 125 STREETOpen ↗
05/24/2019440460500 · 16-09 JEFFERSON AVENUEOpen ↗
03/12/2019421633281 · 16-09 JEFFERSON AVENUEOpen ↗
Showing 3 of 14 on file for this type
▸DOB NOWLPC Approval/Permit9
08/13/2026M01111661-I1 · 342 WEST 72 STREETOpen ↗
08/13/2026M07998474-I1 · 345 WEST 88 STREETOpen ↗
08/13/2026M07998474-S1 · 345 WEST 88 STREETOpen ↗
Showing 3 of 9 on file for this type
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1
09/23/2022301135554 · 275 BROADWAYOpen ↗
▸Zoning, Tax Lot & Property Records1
▸BISRESTRICTION: RESTRICTIVE DECLARATION1
09/15/2020340684021 · 89 ESSEX STREETOpen ↗
▸Seals & Professional Certifications118
▸DOB NOWDPL-1: Design Professional Seal & Signature36
09/01/2026M07995369-I1 · 1325 1 AVENUEOpen ↗
09/01/2026M07995369-P1 · 1325 1 AVENUEOpen ↗
09/01/2026B00497131-P2 · 963 MANHATTAN AVENUEOpen ↗
Showing 3 of 36 on file for this type
▸DOB NOWProgress Inspector Seal & Signature35
09/25/2026M01025839-S1 · 465 WEST END AVENUEOpen ↗
09/18/2026M01111661-P1 · 342 WEST 72 STREETOpen ↗
09/07/2026B00497131-P2 · 963 MANHATTAN AVENUEOpen ↗
Showing 3 of 35 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature22
09/07/2026B00497131-P2 · 963 MANHATTAN AVENUEOpen ↗
09/02/2026M07995369-I1 · 1325 1 AVENUEOpen ↗
09/01/2026M01366150-I1 · 10 EAST 12 STREETOpen ↗
Showing 3 of 22 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION18
03/13/2020440460500 · 16-09 JEFFERSON AVENUEOpen ↗
03/10/2020123573436 · 350 WEST 125 STREETOpen ↗
06/26/2019123574907 · 140 WEST STREETOpen ↗
Showing 3 of 18 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT3
03/10/2020123573436 · 350 WEST 125 STREETOpen ↗
Showing 1 of 3 on file for this type
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
03/10/2020123573436 · 350 WEST 125 STREETOpen ↗
▸Trade Schedules & Equipment11
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE5
12/27/2019440460500 · 16-09 JEFFERSON AVENUEOpen ↗
12/19/2019440460500 · 16-09 JEFFERSON AVENUEOpen ↗
09/17/2019440460500 · 16-09 JEFFERSON AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸BISSCHEDULE B - PLUMBING5
03/20/2020340684021 · 89 ESSEX STREETOpen ↗
12/20/2019340684021 · 89 ESSEX STREETOpen ↗
08/06/2019340684021 · 89 ESSEX STREETOpen ↗
Showing 3 of 5 on file for this type
▸BISPLUMBING - SUPPORTING DOCUMENTATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Safety & Tenant Protection3
▸BISTenant Protection Plan and Notes3
06/15/2018421633281 · 16-09 JEFFERSON AVENUEOpen ↗
02/15/2018421602581 · 16-09 JEFFERSON AVENUEOpen ↗
Showing 2 of 3 on file for this type
▸Environmental & Asbestos41
▸DOB NOWDEP ACP-5: Asbestos Assessment Report34
09/01/2026M07995369-I1 · 1325 1 AVENUEOpen ↗
09/01/2026B00497131-P2 · 963 MANHATTAN AVENUEOpen ↗
09/01/2026B00497131-P3 · 963 MANHATTAN AVENUEOpen ↗
Showing 3 of 34 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)6
03/10/2020123573436 · 350 WEST 125 STREETOpen ↗
08/03/2018421633281 · 16-09 JEFFERSON AVENUEOpen ↗
Showing 2 of 6 on file for this type
▸BISENVIRONMENTAL RESTRICTIONS - OER NOTICE TO PROCEED1
03/16/2020123573436 · 350 WEST 125 STREETOpen ↗
▸Energy Compliance21
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS6
03/13/2020440460500 · 16-09 JEFFERSON AVENUEOpen ↗
10/17/2018421602581 · 16-09 JEFFERSON AVENUEOpen ↗
10/17/2018421602581 · 16-09 JEFFERSON AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWEN2: As Built Energy Analysis6
08/29/2026B00765456-I1 · 123 NASSAU AVENUEOpen ↗
08/13/2026Q00772596-S1 · 483 ONDERDONK AVENUEOpen ↗
08/13/2026Q00772596-I1 · 483 ONDERDONK AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS3
10/15/2020340684021 · 89 ESSEX STREETOpen ↗
03/13/2020440460500 · 16-09 JEFFERSON AVENUEOpen ↗
10/17/2018421602581 · 16-09 JEFFERSON AVENUEOpen ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY3
10/15/2020340684021 · 89 ESSEX STREETOpen ↗
Showing 1 of 3 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISNYCECC ANALYSIS1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Inspections & Test Reports9
▸BISTECHNICAL REPORT: RESPONSIBILITY4
10/15/2020340684021 · 89 ESSEX STREETOpen ↗
Showing 1 of 4 on file for this type
▸DOB NOWSOIL REPORT2
08/13/2026B00637966-S1 · 208 FREEMAN STREETOpen ↗
Showing 1 of 2 on file for this type
▸DOB NOWTR4 Test Report and Plot Diagram2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISTECHNICAL REPORT: SOIL INSPECTION1
08/03/2018421633281 · 16-09 JEFFERSON AVENUEOpen ↗
▸Approvals, Objections & Sign-offs16
▸BISSCHEDULE A - OCCUPANCY / USE5
02/07/2023301135554 · 275 BROADWAYOpen ↗
Showing 1 of 5 on file for this type
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST5
05/01/2024123574907 · 140 WEST STREETOpen ↗
10/15/2020340684021 · 89 ESSEX STREETOpen ↗
03/13/2020440460500 · 16-09 JEFFERSON AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION5
08/07/2018421633281 · 16-09 JEFFERSON AVENUEOpen ↗
08/03/2018421633281 · 16-09 JEFFERSON AVENUEOpen ↗
Showing 2 of 5 on file for this type
▸BISLANDMARKS APPROVAL1
08/13/2018123574907 · 140 WEST STREETOpen ↗
▸Cost, Insurance & Ownership14
▸BISCOST AFFIDAVIT12
10/15/2020340684021 · 89 ESSEX STREETOpen ↗
03/13/2020440460500 · 16-09 JEFFERSON AVENUEOpen ↗
03/10/2020123573436 · 350 WEST 125 STREETOpen ↗
Showing 3 of 12 on file for this type
▸BISCIVIL PENALTY AFFADAVIT/REQUEST1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISCOST AFFIDAVIT (FINAL): PW31
02/17/2023301135554 · 275 BROADWAYOpen ↗
▸Filing & Intake Forms19
▸BISADDITIONAL INFORMATION9
12/07/2022301135554 · 275 BROADWAYOpen ↗
11/01/2022301135554 · 275 BROADWAYOpen ↗
09/10/2021301135554 · 275 BROADWAYOpen ↗
Showing 3 of 9 on file for this type
▸BISEFILING COVER SHEET5
03/10/2020123573436 · 350 WEST 125 STREETOpen ↗
06/15/2018421633281 · 16-09 JEFFERSON AVENUEOpen ↗
Showing 2 of 5 on file for this type
▸BISBOROUGH INTAKE FORM3
02/19/2022301135554 · 275 BROADWAYOpen ↗
06/26/2019123574907 · 140 WEST STREETOpen ↗
10/17/2018421602581 · 16-09 JEFFERSON AVENUEOpen ↗
▸BISEFILING JOB APPLICATION COVER SHEET2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Other Documents3
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION2
02/01/2019421602581 · 16-09 JEFFERSON AVENUEOpen ↗
Showing 1 of 2 on file for this type
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type