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Contractor
EXTRAORDINAIR HEATING
General Contractor
3 projects with open permitsBROOKLYN · 5MANHATTAN · 1
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6 buildings
10
Total Filings
6
Projects on File
6
Buildings Worked
3
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month6 projects all-time
0112May '20 · 1Dec '22 · 1May '23 · 1Nov '23 · 1Dec '24 · 1Apr '25 · 120212022202320242025
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Open permit350%
Signed off350%
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Alteration4
Alteration CO2
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1168 1 AVENUEMANHATTAN · 1 open · latest 05/05/2025
1 projects
213 27 STREETBROOKLYN · 1 open · latest 02/21/2025
1 projects
351 1 STREETBROOKLYN · latest 08/24/2023
1 projects
448 14 STREETBROOKLYN · 1 open · latest 06/09/2026
1 projects
170 MADISON STREETBROOKLYN · latest 05/23/2025
1 projects
88 HOYT STREETBROOKLYN · latest 09/28/2021
1 projects
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1 projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01096531 ↗448 14 STREET
BROOKLYN
Alteration COPermit Issued12/03/202406/09/2026
Design SARAH JACOBY ARCHITECT, DPC
Filer JOSEPH FELLNER
STRUCTURAL WORK FILED IN CONJUNCTION WITH THE CONVERSION OF TWO FAMILY RESIDENCE TO ONE. LINTEL FOR OENING AT REAR. FRAMING FOR SKYLIGHT AN…
B00867660 ↗170 MADISON STREET
BROOKLYN
AlterationSigned-off05/08/202305/23/2025
Design JOHN H HATHEWAY JR., ARCHITECT
Removal of washer, dryer and furnace at cellar. NweRelocation of kitchen & bathroom on first floor. New plumbing fixtures on first floor. Re…
M01215259 ↗1168 1 AVENUE
MANHATTAN
AlterationPermit Issued04/24/202505/05/2025
Design BFS ARCHITECT PC
Owner THE STAHL ORGANIZATION
Proposed plumbing for interior renovation of existing commercial space at cellar and first floor as per plans filed. No change to use, egres…
B00941685 ↗213 27 STREET
BROOKLYN
Alteration COPermit Issued11/02/202302/21/2025
Design JOHN H HATHEWAY JR., ARCHITECT
Plumbing work associated with GC application. Removal, installation, relocation and replacement of fixtures.
B08055087 ↗351 1 STREET
BROOKLYN
AlterationSigned-off12/30/202208/24/2023
Design WILLIAM F. RYAN, JR. P.E. PC
Filer BMB BUILDING CONSULTING INC.
PROPOSE MECHANICAL WORK IN CONJUNCTION WITH ARCH DESIGN AS PER PLAN. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B00306916 ↗88 HOYT STREET
BROOKLYN
AlterationSigned-off05/11/202009/28/2021
Design HRM ENGINEERING SERVICES, PC
Owner A.R. CONELLY INC.
FURNISH AND INSTALL HEAT PUMP, FAN COIL UNITS, FANS ETC. AT ALL LOCATIONS AS SHOWN ON MECHANICAL DRAWINGS. NO CHANGE IN USE, OCCUPANCY, OR E…
Counts cover all 6 projects (6 DOB NOW). 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
HRM ENGINEERING SERVICES, PC201/14/2025
JOHN H HATHEWAY JR., ARCHITECT201/14/2025
BFS ARCHITECT PC104/25/2025
GASBARRO STRUCTURAL ENGINEERING107/29/2026
SARAH JACOBY ARCHITECT, DPC107/29/2026
WILLIAM F. RYAN, JR. P.E. PC112/30/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ARANDA PLBG & HTG CORP201/14/2025
V & ROGER CNSTRCTN CORP201/14/2025
ASPECT PLBNG&HTNG CO LLC107/29/2026
DESIGN TECH CONSTRUCT COR107/29/2026
GO PRO PLUMBING AND HEATI104/25/2025
J3R BUILDERS CONTRACTING104/25/2025
YILIN CONSTRUCTION INC103/03/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
A.R. CONELLY INC.103/03/2022
THE STAHL ORGANIZATION104/25/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BMB BUILDING CONSULTING INC.112/30/2022
6 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 6Open permit 3Signed off 3
Any typeAlteration 4Alteration CO 2
6 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01096531 ↗448 14 STREET
BROOKLYN
Alteration COPermit Issued12/03/202406/09/2026
Design SARAH JACOBY ARCHITECT, DPC
Filer JOSEPH FELLNER
STRUCTURAL WORK FILED IN CONJUNCTION WITH THE CONVERSION OF TWO FAMILY RESIDENCE TO ONE. LINTEL FOR OENING AT REAR. FRAMING FOR SKYLIGHT AN…
B00867660 ↗170 MADISON STREET
BROOKLYN
AlterationSigned-off05/08/202305/23/2025
Design JOHN H HATHEWAY JR., ARCHITECT
Removal of washer, dryer and furnace at cellar. NweRelocation of kitchen & bathroom on first floor. New plumbing fixtures on first floor. Re…
M01215259 ↗1168 1 AVENUE
MANHATTAN
AlterationPermit Issued04/24/202505/05/2025
Design BFS ARCHITECT PC
Owner THE STAHL ORGANIZATION
Proposed plumbing for interior renovation of existing commercial space at cellar and first floor as per plans filed. No change to use, egres…
B00941685 ↗213 27 STREET
BROOKLYN
Alteration COPermit Issued11/02/202302/21/2025
Design JOHN H HATHEWAY JR., ARCHITECT
Plumbing work associated with GC application. Removal, installation, relocation and replacement of fixtures.
B08055087 ↗351 1 STREET
BROOKLYN
AlterationSigned-off12/30/202208/24/2023
Design WILLIAM F. RYAN, JR. P.E. PC
Filer BMB BUILDING CONSULTING INC.
PROPOSE MECHANICAL WORK IN CONJUNCTION WITH ARCH DESIGN AS PER PLAN. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B00306916 ↗88 HOYT STREET
BROOKLYN
AlterationSigned-off05/11/202009/28/2021
Design HRM ENGINEERING SERVICES, PC
Owner A.R. CONELLY INC.
FURNISH AND INSTALL HEAT PUMP, FAN COIL UNITS, FANS ETC. AT ALL LOCATIONS AS SHOWN ON MECHANICAL DRAWINGS. NO CHANGE IN USE, OCCUPANCY, OR E…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
448 14 STREET ↗107/08/2026
1168 1 AVENUE ↗107/08/2026
88 HOYT STREET ↗107/08/2026
213 27 STREET ↗107/08/2026
351 1 STREET ↗303/21/2026
170 MADISON STREET ↗303/21/2026
▾Documents — 201 on file (BIS + DOB NOW)
▸Plans & Drawings28
▸DOB NOWPlans/Sketch25
08/27/2026B00867660-P2 · 170 MADISON STREETRequest digital key ↗
08/27/2026B00867660-S2 · 170 MADISON STREETRequest digital key ↗
08/24/2026M01215259-S1 · 1168 1 AVENUERequest digital key ↗
Showing 3 of 25 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems3
09/02/2026B00306916-P1 · 88 HOYT STREETRequest digital key ↗
09/02/2026B00306916-I1 · 88 HOYT STREETRequest digital key ↗
08/15/2026B00306916-P1 · 88 HOYT STREETRequest digital key ↗
▸Applications & Permits10
▸DOB NOWLPC Approval/Permit10
08/13/2026M01215259-S1 · 1168 1 AVENUEOpen ↗
Showing 1 of 10 on file for this type
▸Zoning, Tax Lot & Property Records4
▸DOB NOWZoning Exhibit form (1-5)2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Seals & Professional Certifications126
▸DOB NOWProgress Inspector Seal & Signature69
09/02/2026B00867660-P4 · 170 MADISON STREETOpen ↗
09/02/2026B00867660-P4 · 170 MADISON STREETOpen ↗
09/02/2026B00867660-P4 · 170 MADISON STREETOpen ↗
Showing 3 of 69 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature31
09/02/2026B00867660-P4 · 170 MADISON STREETOpen ↗
09/01/2026B00941685-I1 · 213 27 STREETOpen ↗
09/01/2026B00941685-I1 · 213 27 STREETOpen ↗
Showing 3 of 31 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature26
08/27/2026B00867660-P1 · 170 MADISON STREETOpen ↗
08/27/2026B00867660-S2 · 170 MADISON STREETOpen ↗
08/24/2026M01215259-S2 · 1168 1 AVENUEOpen ↗
Showing 3 of 26 on file for this type
▸Safety & Tenant Protection3
▸DOB NOWStreet Tree Checklist3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸Environmental & Asbestos26
▸DOB NOWDEP ACP-5: Asbestos Assessment Report26
08/27/2026B00867660-P2 · 170 MADISON STREETOpen ↗
08/27/2026B00867660-P1 · 170 MADISON STREETOpen ↗
08/27/2026B00867660-S2 · 170 MADISON STREETOpen ↗
Showing 3 of 26 on file for this type
▸Other Documents4
▸DOB NOWProperty Ownership Certification3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWProof of Historic Building1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type