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Tenant
Sheraton Brooklyn Hotel
Tenant
2 projects with open permitsBROOKLYN · 6
1 building
6
Total Filings
6
Projects on File
1
Buildings Worked
2
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month6 projects all-time
0112Jun '20 · 1Aug '23 · 1Nov '23 · 1Feb '25 · 1May '25 · 1Nov '25 · 120212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit233%
Signed off350%
Filed only117%
By project type
Alteration5
Alteration CO1
Most active buildings
All buildings →
228 DUFFIELD STREETBROOKLYN · 2 open · latest 04/06/2026
6 projects
Key relationships
Everyone →
Design firms
Filing representatives
Owners
5 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01180378 ↗228 DUFFIELD STREET
BROOKLYN
AlterationSigned-off02/25/202504/06/2026
Owner LAM GROUP
INSTALL NEW GAS PIPING FOR (4) REPLACEMENT BOILERS AS PER PLANS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS.
B01303187 ↗228 DUFFIELD STREET
BROOKLYN
AlterationPermit Issued11/26/202512/05/2025
Owner LAM GROUP
TO PROPOSE RENOVATION WITH REPAIR/NEW PARTITION, FLOOR, CEILING, PAINTING ON ROOF FLOOR AS PER PLAN FILED HEREWITH. NO CHANGE OF USE, EGRESS…
B01218645 ↗228 DUFFIELD STREET
BROOKLYN
AlterationSigned-off05/06/202505/27/2025
Owner LAM GROUP
SUBSEQUENT FILING FOR PLUMBING WORK IN CONJUNCTION WITH OT JOB#B01218645-I1. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B00964192 ↗228 DUFFIELD STREET
BROOKLYN
AlterationPermit Issued11/17/202311/27/2023
Owner LAM GROUP
REPLACE THE BROKEN HOOD AT SUB-CELLAR WITH KITCHEN HOOD EXHAUST FAN AND ASSOCIATED DUCTWORK DUE TO WATER DAMAGE ; INSTALL MAKEUP AIR FAN.
B00913999 ↗228 DUFFIELD STREET
BROOKLYN
Alteration COFiled — no permit on record08/10/2023—
Owner LAM GROUP
—
B00322780 ↗228 DUFFIELD STREET
BROOKLYN
AlterationSigned-off06/12/202008/19/2021Installation of temporary sidewalk shed/overhead protection per plan submitted. Work shall comply with 2014 building codes chapter 33. No ch…
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
Basic Groups205/06/2025
Gene Kaufman Architect102/13/2025
KZ Engineering106/12/2020
New Age Engineering102/25/2025
Nic 88105/06/2025
Peter Cho Architects111/26/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AMC Plumbing, Heating & CLNG105/06/2025
Atrium Construction NY106/12/2020
Champ Plumbing & Heating102/25/2025
Emprise Construction112/27/2023
NY Building Associates111/26/2025
Steel Tone Construction105/06/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Lam Group511/26/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Basic Groups205/06/2025
Gene Kaufman Architect102/13/2025
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 2Signed off 3Filed only 1
Any typeAlteration 5Alteration CO 1
6 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01180378 ↗228 DUFFIELD STREET
BROOKLYN
AlterationSigned-off02/25/202504/06/2026
Owner LAM GROUP
INSTALL NEW GAS PIPING FOR (4) REPLACEMENT BOILERS AS PER PLANS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS.
B01303187 ↗228 DUFFIELD STREET
BROOKLYN
AlterationPermit Issued11/26/202512/05/2025
Owner LAM GROUP
TO PROPOSE RENOVATION WITH REPAIR/NEW PARTITION, FLOOR, CEILING, PAINTING ON ROOF FLOOR AS PER PLAN FILED HEREWITH. NO CHANGE OF USE, EGRESS…
B01218645 ↗228 DUFFIELD STREET
BROOKLYN
AlterationSigned-off05/06/202505/27/2025
Owner LAM GROUP
SUBSEQUENT FILING FOR PLUMBING WORK IN CONJUNCTION WITH OT JOB#B01218645-I1. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B00964192 ↗228 DUFFIELD STREET
BROOKLYN
AlterationPermit Issued11/17/202311/27/2023
Owner LAM GROUP
REPLACE THE BROKEN HOOD AT SUB-CELLAR WITH KITCHEN HOOD EXHAUST FAN AND ASSOCIATED DUCTWORK DUE TO WATER DAMAGE ; INSTALL MAKEUP AIR FAN.
B00913999 ↗228 DUFFIELD STREET
BROOKLYN
Alteration COFiled — no permit on record08/10/2023—
Owner LAM GROUP
—
B00322780 ↗228 DUFFIELD STREET
BROOKLYN
AlterationSigned-off06/12/202008/19/2021Installation of temporary sidewalk shed/overhead protection per plan submitted. Work shall comply with 2014 building codes chapter 33. No ch…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
228 DUFFIELD STREET ↗611/26/2025
▾Documents — 65 on file (BIS + DOB NOW)
▸Plans & Drawings12
▸DOB NOWPlans/Sketch11
Showing 3 of 11 on file for this type
▸DOB NOWPlans/Sketch - Sidewalk Shed1
▸Seals & Professional Certifications39
▸DOB NOWProgress Inspector Seal & Signature17
10/12/2026B01180378-S1 · 228 DUFFIELD STREETOpen ↗
10/12/2026B01180378-S1 · 228 DUFFIELD STREETOpen ↗
10/12/2026B01180378-S1 · 228 DUFFIELD STREETOpen ↗
Showing 3 of 17 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature12
08/27/2026B00913999-I1 · 228 DUFFIELD STREETOpen ↗
08/27/2026B00913999-P1 · 228 DUFFIELD STREETOpen ↗
08/26/2026B00964192-P1 · 228 DUFFIELD STREETOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature10
08/27/2026B01218645-S1 · 228 DUFFIELD STREETOpen ↗
08/25/2026B01218645-I1 · 228 DUFFIELD STREETOpen ↗
08/22/2026B00964192-I1 · 228 DUFFIELD STREETOpen ↗
Showing 3 of 10 on file for this type
▸Safety & Tenant Protection3
▸DOB NOWStreet Tree Checklist2
08/27/2026B00913999-P1 · 228 DUFFIELD STREETOpen ↗
08/15/2026B00913999-I1 · 228 DUFFIELD STREETOpen ↗
▸DOB NOWTenant Protection Plan1
08/13/2026B00322780-I1 · 228 DUFFIELD STREETOpen ↗
▸Environmental & Asbestos9
▸DOB NOWOER: Notice to Proceed5
08/13/2026B00322780-I1 · 228 DUFFIELD STREETOpen ↗
08/13/2026B01303187-I1 · 228 DUFFIELD STREETOpen ↗
08/13/2026B01218645-I1 · 228 DUFFIELD STREETOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWOER: Notice of Satisfaction3
08/13/2026B00322780-I1 · 228 DUFFIELD STREETOpen ↗
08/13/2026B01218645-I1 · 228 DUFFIELD STREETOpen ↗
08/13/2026B01303187-I1 · 228 DUFFIELD STREETOpen ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B01303187-I1 · 228 DUFFIELD STREETOpen ↗
▸Other Documents2
▸DOB NOWProperty Ownership Certification2
08/27/2026B00913999-P1 · 228 DUFFIELD STREETOpen ↗
08/15/2026B00913999-I1 · 228 DUFFIELD STREETOpen ↗