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Tenant
William Greenberg Desserts
Tenant · filed under 2 names
3 projects with open permitsMANHATTAN · 5
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2 buildings
5
Total Filings
5
Projects on File
2
Buildings Worked
3
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month5 projects all-time
0123Mar '21 · 1Apr '21 · 2Aug '26 · 220222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit360%
Filed only240%
By project type
Alteration5
Most active buildings
All buildings →
1100 MADISON AVENUEMANHATTAN · 2 open · latest 05/18/2021
3 projects
245 EAST 80TH STREETMANHATTAN · 1 open · latest 09/17/2026
2 projects
Key relationships
Everyone →
Design firms
3 projects
2 projects
1 projects
Filing representatives
4 projects
Owners
2 projects
Filed under
William Greenberg Desserts4William Greenberg Jr. Desserts1
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01431924 ↗245 EAST 80TH STREET
MANHATTAN
AlterationPermit Issued08/25/202609/17/2026
Design SQUARE ARCH, LLC
Owner 245 EAST 80TH ST, LLC
Contractor WATSON'S PLBG, HTG, & BDG
PLUMBING FIXTURE WITH ASSOCIATED PIPES FOR THE EXISTING STORE RENOVATION.
M01446026 ↗245 EAST 80TH STREET
MANHATTAN
AlterationFiled — no permit on record08/25/2026—
Design CES ENGINEERING LLC
Owner 245 EAST 80TH ST, LLC
Filer CONVERSANO ASSOCIATES, INC.
—
M00485428 ↗1100 MADISON AVENUE
MANHATTAN
AlterationPermit Issued04/01/202105/18/2021
Design CES ENGINEERING LLC
Contractor STEADFAST DEVELOPMENT AND
Filer CONVERSANO ASSOCIATES, INC.
FILING HERWITH FOR THE INSTALLATION OF MECHANICAL SYSTEMS
M00485348 ↗1100 MADISON AVENUE
MANHATTAN
AlterationPermit Issued03/25/202104/15/2021
Design LANDOW AND LANDOW ARCHITECTS
Contractor STEADFAST DEVELOPMENT AND
Filer CONVERSANO ASSOCIATES, INC.
FILING HEREWITH FOR THE RENOVATION OF EXISTING RETAIL STORE.
M00486837 ↗1100 MADISON AVENUE
MANHATTAN
AlterationFiled — no permit on record04/01/2021—
Design CES ENGINEERING LLC
Filer CONVERSANO ASSOCIATES, INC.
—
Counts cover all 5 projects (5 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
CES Engineering310/09/2026
Landow and Landow Architects210/09/2026
Square Arch109/08/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Steadfast Development and210/20/2021
Kale Construction109/08/2026
Watson's Plumbing, Heating, & Building109/08/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
245 East 80th St210/09/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Conversano Associates410/09/2026
5 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 5Open permit 3Filed only 2
5 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01431924 ↗245 EAST 80TH STREET
MANHATTAN
AlterationPermit Issued08/25/202609/17/2026
Design SQUARE ARCH, LLC
Owner 245 EAST 80TH ST, LLC
Contractor WATSON'S PLBG, HTG, & BDG
PLUMBING FIXTURE WITH ASSOCIATED PIPES FOR THE EXISTING STORE RENOVATION.
M01446026 ↗245 EAST 80TH STREET
MANHATTAN
AlterationFiled — no permit on record08/25/2026—
Design CES ENGINEERING LLC
Owner 245 EAST 80TH ST, LLC
Filer CONVERSANO ASSOCIATES, INC.
—
M00485428 ↗1100 MADISON AVENUE
MANHATTAN
AlterationPermit Issued04/01/202105/18/2021
Design CES ENGINEERING LLC
Contractor STEADFAST DEVELOPMENT AND
Filer CONVERSANO ASSOCIATES, INC.
FILING HERWITH FOR THE INSTALLATION OF MECHANICAL SYSTEMS
M00485348 ↗1100 MADISON AVENUE
MANHATTAN
AlterationPermit Issued03/25/202104/15/2021
Design LANDOW AND LANDOW ARCHITECTS
Contractor STEADFAST DEVELOPMENT AND
Filer CONVERSANO ASSOCIATES, INC.
FILING HEREWITH FOR THE RENOVATION OF EXISTING RETAIL STORE.
M00486837 ↗1100 MADISON AVENUE
MANHATTAN
AlterationFiled — no permit on record04/01/2021—
Design CES ENGINEERING LLC
Filer CONVERSANO ASSOCIATES, INC.
—
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
245 EAST 80TH STREET ↗210/09/2026
1100 MADISON AVENUE ↗310/20/2021
▾Documents — 77 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
09/03/2026M00486837-P2 · 1100 MADISON AVENUERequest digital key ↗
09/03/2026M00485428-P2 · 1100 MADISON AVENUERequest digital key ↗
08/26/2026M01446026-S1 · 245 EAST 80TH STREETRequest digital key ↗
Showing 3 of 10 on file for this type
▸Seals & Professional Certifications48
▸DOB NOWProgress Inspector Seal & Signature21
09/23/2026M01431924-I1 · 245 EAST 80TH STREETOpen ↗
09/23/2026M01431924-P1 · 245 EAST 80TH STREETOpen ↗
09/23/2026M01431924-P1 · 245 EAST 80TH STREETOpen ↗
Showing 3 of 21 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature15
09/23/2026M01431924-I1 · 245 EAST 80TH STREETOpen ↗
09/23/2026M01431924-I1 · 245 EAST 80TH STREETOpen ↗
09/23/2026M01431924-S1 · 245 EAST 80TH STREETOpen ↗
Showing 3 of 15 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature12
09/18/2026M01431924-P2 · 245 EAST 80TH STREETOpen ↗
09/10/2026M01446026-S1 · 245 EAST 80TH STREETOpen ↗
09/10/2026M01446026-S2 · 245 EAST 80TH STREETOpen ↗
Showing 3 of 12 on file for this type
▸Environmental & Asbestos13
▸DOB NOWDEP ACP-5: Asbestos Assessment Report13
09/18/2026M01431924-P2 · 245 EAST 80TH STREETOpen ↗
09/18/2026M01431924-I1 · 245 EAST 80TH STREETOpen ↗
09/10/2026M01446026-S1 · 245 EAST 80TH STREETOpen ↗
Showing 3 of 13 on file for this type
▸Other Documents6
▸DOB NOWDHCR Document6
09/03/2026M00486837-P2 · 1100 MADISON AVENUEOpen ↗
08/14/2026M00486837-I1 · 1100 MADISON AVENUEOpen ↗
08/13/2026M00485348-I1 · 1100 MADISON AVENUEOpen ↗
Showing 3 of 6 on file for this type