Demef Construction Corp. — NYC General Contractor: DOB Permits, Filings & Buildings

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01319471 ↗	108 DELANCEY STREET MANHATTAN	Alteration	Permit Issued	02/24/2026	05/20/2026	Design PAPER PLANE ARCHITECTURE, PLLC Owner 255 EAST HOUSTON MANAGER, LLC	PROPOSED INTERIOR RENOVATIONS TO THE EXISTING BUSINESS OCCUPANCY FACILITY IN THE REAR OF THE SPACE.
Q01133372 ↗	38-30 28 STREET QUEENS	Alteration CO	Permit Issued	03/25/2025	11/18/2025	Design FABIAN CRUZ PE PLLC Owner 38-30 28th Street LLC Filer NDKAZALAS ARCHITECTURE	INSTALLATION OF BATHROOM EXHAUST IN CONJUNCTION WITH Q01133372-I1.
M01014909 ↗	111 8 AVENUE MANHATTAN	Alteration	Signed-off	03/12/2024	03/20/2024	Design EFH ARCHITECTURE	herewith filing for general construction modifications on the first floor -MSCCC Lab Consolidation -no change in use egress or occupancy.
M00601103 ↗	212 9 AVENUE MANHATTAN	Alteration	Signed-off	12/14/2021	01/06/2022	Design STUDIO A+T ARCHITECTS Owner MUTUAL REDEVELOPMENT HOUSE INC Filer OUTSOURCE CONSULTANTS, INC.	Mount Sinai - Medical Practice Renovations - Interior renovations including modification to non-load bearing partitions, ceilings, millwork …
M00601161 ↗	212 9 AVENUE MANHATTAN	Alteration	Signed-off	12/09/2021	01/06/2022	Design EP ENGINEERING LLC	Mount Sinai - Medical Practice Renovations - Mechanical modification as per plans filed herewith. No change in use, egress, and occupancy.
123812516BIS	2 AMSTERDAM AVENUE MANHATTAN	—	ISSUED	01/14/2021	01/14/2021	—	OT

Counts cover all 17 projects (5 DOB NOW + 12 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.

Name	Projects together	Most recent
EFH ARCHITECTURE	1	03/12/2024
EP ENGINEERING LLC	1	12/09/2021
FABIAN CRUZ PE PLLC	1	03/27/2025
NDKAZALAS ARCHITECTURE P.C.	1	03/27/2025
PAPER PLANE ARCHITECTURE, PLLC	1	02/24/2026
STUDIO A+T ARCHITECTS	1	12/14/2021

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
ZAPAS CONSTRUCTION CORP	1	03/27/2025
ZAPAS CONSTRUCTION, CORP	1	03/27/2025

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
255 EAST HOUSTON MANAGER, LLC	1	02/24/2026
38-30 28th Street LLC	1	03/27/2025
MUTUAL REDEVELOPMENT HOUSE INC	1	12/14/2021

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
NDKAZALAS ARCHITECTURE	1	03/27/2025
OUTSOURCE CONSULTANTS, INC.	1	12/14/2021

5 DOB NOW projects + 12 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 17Open permit 2Signed off 3Other status 12

Any typeAlteration 4Alteration CO 1

17 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01319471 ↗	108 DELANCEY STREET MANHATTAN	Alteration	Permit Issued	02/24/2026	05/20/2026	Design PAPER PLANE ARCHITECTURE, PLLC Owner 255 EAST HOUSTON MANAGER, LLC	PROPOSED INTERIOR RENOVATIONS TO THE EXISTING BUSINESS OCCUPANCY FACILITY IN THE REAR OF THE SPACE.
Q01133372 ↗	38-30 28 STREET QUEENS	Alteration CO	Permit Issued	03/25/2025	11/18/2025	Design FABIAN CRUZ PE PLLC Owner 38-30 28th Street LLC Filer NDKAZALAS ARCHITECTURE	INSTALLATION OF BATHROOM EXHAUST IN CONJUNCTION WITH Q01133372-I1.
M01014909 ↗	111 8 AVENUE MANHATTAN	Alteration	Signed-off	03/12/2024	03/20/2024	Design EFH ARCHITECTURE	herewith filing for general construction modifications on the first floor -MSCCC Lab Consolidation -no change in use egress or occupancy.
M00601103 ↗	212 9 AVENUE MANHATTAN	Alteration	Signed-off	12/14/2021	01/06/2022	Design STUDIO A+T ARCHITECTS Owner MUTUAL REDEVELOPMENT HOUSE INC Filer OUTSOURCE CONSULTANTS, INC.	Mount Sinai - Medical Practice Renovations - Interior renovations including modification to non-load bearing partitions, ceilings, millwork …
M00601161 ↗	212 9 AVENUE MANHATTAN	Alteration	Signed-off	12/09/2021	01/06/2022	Design EP ENGINEERING LLC	Mount Sinai - Medical Practice Renovations - Mechanical modification as per plans filed herewith. No change in use, egress, and occupancy.
123812516BIS	2 AMSTERDAM AVENUE MANHATTAN	—	ISSUED	01/14/2021	01/14/2021	—	OT
140968610BIS	212 9 AVENUE MANHATTAN	—	ISSUED	12/02/2020	12/02/2020	—	OT
122644004BIS	1245 PARK AVENUE MANHATTAN	—	ISSUED	01/12/2016	01/20/2016	—	OT, PL
402003586BIS	37-08 91 STREET QUEENS	—	ISSUED	06/27/2008	07/23/2013	—	EQ, PL
420323830BIS	90-16 37 AVENUE QUEENS	—	ISSUED	05/24/2011	07/23/2013	—	OT
121538693BIS	51 EAST 97 STREET MANHATTAN	—	ISSUED	02/20/2013	02/22/2013	—	OT, PL
121408477BIS	1409 MADISON AVENUE MANHATTAN	—	ISSUED	02/06/2013	02/06/2013	—	OT
121480851BIS	51 EAST 97 STREET MANHATTAN	—	ISSUED	01/31/2013	01/31/2013	—	OT
121451400BIS	51 EAST 97 STREET MANHATTAN	—	ISSUED	12/17/2012	12/17/2012	—	MH
120667876BIS	51 EAST 97 STREET MANHATTAN	—	ISSUED	05/09/2011	07/24/2012	—	MH
120836211BIS	51 EAST 97 STREET MANHATTAN	—	ISSUED	09/28/2011	10/11/2011	—	OT, PL
120599236BIS	51 EAST 97 STREET MANHATTAN	—	ISSUED	05/12/2011	07/12/2011	—	OT

Click a row for this entity's own projects, plans and documents at that building.

Building	Filings	Most Recent
212 9 AVENUE ↗	2	07/08/2026

111 8 AVENUE ↗	1	07/08/2026

38-30 28 STREET ↗	1	06/28/2026

108 DELANCEY STREET ↗	1	06/28/2026

▾Documents — 239 on file (BIS + DOB NOW)

▸Plans & Drawings6

▸DOB NOWPlans/Sketch6

09/03/2026M00601161-I1 · 212 9 AVENUERequest digital key ↗

09/03/2026M00601103-I1 · 212 9 AVENUERequest digital key ↗

08/27/2026M01014909-I1 · 111 8 AVENUERequest digital key ↗

Showing 3 of 6 on file for this type

▸Applications & Permits38

▸BISWORK PERMIT APPLICATION20

01/14/2021123812516 · 2 AMSTERDAM AVENUEOpen ↗

12/02/2020140968610 · 212 9 AVENUEOpen ↗

02/01/2016122644004 · 1245 PARK AVENUEOpen ↗

Showing 3 of 20 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION17

05/22/2020123812516 · 2 AMSTERDAM AVENUEOpen ↗

08/25/2016402003586 · 37-08 91 STREETOpen ↗

01/14/2016122644004 · 1245 PARK AVENUEOpen ↗

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▸DOB NOWCPC Hotel Special Permit1

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 Certifications75

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION31

05/22/2020123812516 · 2 AMSTERDAM AVENUEOpen ↗

01/14/2016122644004 · 1245 PARK AVENUEOpen ↗

01/05/2016420323830 · 90-16 37 AVENUEOpen ↗

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▸DOB NOWProgress Inspector Seal & Signature12

09/27/2026M01319471-I1 · 108 DELANCEY STREETOpen ↗

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▸BISPROFESSIONAL CERTIFIED CHECKLIST8

05/22/2020123812516 · 2 AMSTERDAM AVENUEOpen ↗

01/05/2016122644004 · 1245 PARK AVENUEOpen ↗

02/22/2013121538693 · 51 EAST 97 STREETOpen ↗

Showing 3 of 8 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature8

09/27/2026M01319471-I1 · 108 DELANCEY STREETOpen ↗

08/31/2026Q01133372-S2 · 38-30 28 STREETOpen ↗

08/30/2026M00601103-I1 · 212 9 AVENUEOpen ↗

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▸DOB NOWDPL-1: Design Professional Seal & Signature6

09/03/2026M00601161-I1 · 212 9 AVENUEOpen ↗

09/03/2026M00601103-I1 · 212 9 AVENUEOpen ↗

08/27/2026M01014909-I1 · 111 8 AVENUEOpen ↗

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▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM5

02/05/2013121480851 · 51 EAST 97 STREETOpen ↗

12/12/2012121451400 · 51 EAST 97 STREETOpen ↗

Showing 2 of 5 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT3

12/01/2020140968610 · 212 9 AVENUEOpen ↗

05/22/2020123812516 · 2 AMSTERDAM AVENUEOpen ↗

01/14/2016122644004 · 1245 PARK AVENUEOpen ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1

12/01/2020140968610 · 212 9 AVENUEOpen ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

12/01/2020140968610 · 212 9 AVENUEOpen ↗

▸Trade Schedules & Equipment13

▸BISSELF-CERT PLUMBING NOTICE8

05/06/2013121538693 · 51 EAST 97 STREETOpen ↗

04/11/2013121538693 · 51 EAST 97 STREETOpen ↗

08/30/2012120836211 · 51 EAST 97 STREETOpen ↗

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▸BISSCHEDULE B - PLUMBING4

02/22/2013121538693 · 51 EAST 97 STREETOpen ↗

04/12/2012120836211 · 51 EAST 97 STREETOpen ↗

Showing 3 of 4 on file for this type

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1

01/14/2016122644004 · 1245 PARK AVENUEOpen ↗

▸Safety & Tenant Protection2

▸BISTenant Protection Plan and Notes1

05/22/2020123812516 · 2 AMSTERDAM AVENUEOpen ↗

▸DOB NOWStreet Tree Checklist1

08/13/2026Q01133372-I1 · 38-30 28 STREETOpen ↗

▸Environmental & Asbestos22

▸BISASBESTOS: CERTIFICATION (DEP ACP5)6

12/01/2020140968610 · 212 9 AVENUEOpen ↗

05/22/2020123812516 · 2 AMSTERDAM AVENUEOpen ↗

01/14/2016122644004 · 1245 PARK AVENUEOpen ↗

Showing 3 of 6 on file for this type

▸DOB NOWDEP ACP-5: Asbestos Assessment Report6

09/03/2026M00601161-I1 · 212 9 AVENUEOpen ↗

09/03/2026M00601103-I1 · 212 9 AVENUEOpen ↗

08/27/2026M01014909-I1 · 111 8 AVENUEOpen ↗

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▸BISACP5 ASBESTOS: CERTIFICATION (DEP ACP5)4

02/22/2013121538693 · 51 EAST 97 STREETOpen ↗

12/12/2012121451400 · 51 EAST 97 STREETOpen ↗

11/09/2012121408477 · 1409 MADISON AVENUEOpen ↗

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▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'3

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 3 on file for this type

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

▸DOB NOWOER: Notice of Satisfaction1

08/13/2026M01319471-I1 · 108 DELANCEY STREETOpen ↗

▸DOB NOWOER: Notice to Proceed1

08/13/2026M01319471-I1 · 108 DELANCEY STREETOpen ↗

▸Energy Compliance25

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS7

05/22/2020123812516 · 2 AMSTERDAM AVENUEOpen ↗

01/14/2016122644004 · 1245 PARK AVENUEOpen ↗

08/08/2012120836211 · 51 EAST 97 STREETOpen ↗

Showing 3 of 7 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS6

04/26/2021140968610 · 212 9 AVENUEOpen ↗

06/19/2013121451400 · 51 EAST 97 STREETOpen ↗

08/06/2012120667876 · 51 EAST 97 STREETOpen ↗

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▸BISTECHNICAL REPORT: ENERGY5

04/12/2012120836211 · 51 EAST 97 STREETOpen ↗

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▸BISTR8: Energy Code Progress Inspections3

11/08/2012121408477 · 1409 MADISON AVENUEOpen ↗

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▸DOB NOWEN2: As Built Energy Analysis.2

09/03/2026M00601161-I1 · 212 9 AVENUEOpen ↗

09/03/2026M00601103-I1 · 212 9 AVENUEOpen ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1

12/01/2020140968610 · 212 9 AVENUEOpen ↗

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1

12/01/2020140968610 · 212 9 AVENUEOpen ↗

▸Inspections & Test Reports3

▸BISTECHNICAL REPORT: RESPONSIBILITY3

04/26/2021140968610 · 212 9 AVENUEOpen ↗

12/02/2020140968610 · 212 9 AVENUEOpen ↗

12/01/2020140968610 · 212 9 AVENUEOpen ↗

▸Approvals, Objections & Sign-offs19

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST8

04/26/2021140968610 · 212 9 AVENUEOpen ↗

02/04/2016420323830 · 90-16 37 AVENUEOpen ↗

06/19/2013121451400 · 51 EAST 97 STREETOpen ↗

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▸BISADMINISTRATIVE OBJECTIONS8

02/22/2013121538693 · 51 EAST 97 STREETOpen ↗

02/05/2013121480851 · 51 EAST 97 STREETOpen ↗

12/12/2012121451400 · 51 EAST 97 STREETOpen ↗

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▸BISSCHEDULE A - OCCUPANCY / USE2

08/25/2016402003586 · 37-08 91 STREETOpen ↗

▸BISLETTERS - SUPPORTING DOCUMENTATION1

05/03/2011420323830 · 90-16 37 AVENUEOpen ↗

▸Cost, Insurance & Ownership22

▸BISCOST AFFIDAVIT22

04/26/2021140968610 · 212 9 AVENUEOpen ↗

12/01/2020140968610 · 212 9 AVENUEOpen ↗

05/22/2020123812516 · 2 AMSTERDAM AVENUEOpen ↗

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▸Filing & Intake Forms14

▸BISEFILING COVER SHEET8

05/22/2020123812516 · 2 AMSTERDAM AVENUEOpen ↗

01/14/2016122644004 · 1245 PARK AVENUEOpen ↗

02/22/2013121538693 · 51 EAST 97 STREETOpen ↗

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▸BISADDITIONAL INFORMATION4

07/26/2012120667876 · 51 EAST 97 STREETOpen ↗

07/18/2012120667876 · 51 EAST 97 STREETOpen ↗

06/30/2011120599236 · 51 EAST 97 STREETOpen ↗

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▸BISEFILING JOB APPLICATION COVER SHEET2

12/01/2020140968610 · 212 9 AVENUEOpen ↗

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