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Design Firm
Deceder Group, LLC
Design
1 project with open permitsMANHATTAN · 4
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2 buildings
4
Total Filings
4
Projects on File
2
Buildings Worked
1
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month4 projects all-time
0123Jan '25 · 1Aug '25 · 2Nov '25 · 1Jan '25Mar '25May '25Jul '25Sep '25Nov '25
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit125%
Signed off375%
By project type
Alteration4
Most active buildings
All buildings →
11 EAST 26 STREETMANHATTAN · 1 open · latest 11/05/2025
2 projects
15 EAST 26 STREETMANHATTAN · latest 12/26/2025
2 projects
Key relationships
Everyone →
Filing representatives
2 projects
Contractors
4 projects
Owners
2 projects
People
All people →
Daniel Decederlatest 10/07/2025
2 filings
Filed under
Deceder Group, LLC4
Identified by the contact ids of the people who file for the firm and by its email domain (decedergroup.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01299256 ↗15 EAST 26 STREET
MANHATTAN
AlterationSigned-off11/25/202512/26/2025
Owner Rockrose Development Corp
Contractor CORE FOUR CONSTRUCTION IN
Filer RIZZO GROUP
GENERAL CONSTRUCTION MODIFICATIONS ON THE 6th FLOOR PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01247386 ↗15 EAST 26 STREET
MANHATTAN
AlterationSigned-off08/20/202512/17/2025
Contractor CORE FOUR CONSTRUCTION IN
GENERAL CONSTRUCTION MODIFICATIONS ON THE 6th FLOOR PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01158768 ↗11 EAST 26 STREET
MANHATTAN
AlterationPermit Issued01/10/202511/05/2025
Contractor CORE FOUR CONSTRUCTION IN
GENERAL CONSTRUCTION MODIFICATIONS ON THE 20TH FLOOR PER PLANS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01247354 ↗11 EAST 26 STREET
MANHATTAN
AlterationSigned-off08/20/202511/05/2025
Owner Rockrose Development Corp
Contractor CORE FOUR CONSTRUCTION IN
Filer RIZZO GROUP
GENERAL CONSTRUCTION MODIFICATIONS ON THE 6th FLOOR PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
Counts cover all 4 projects (4 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
Daniel Deceder210/07/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CORE FOUR CONSTRUCTION IN411/25/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ROCKROSE DEVELOPMENT211/25/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RIZZO GROUP211/25/2025
4 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 4Open permit 1Signed off 3
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01299256 ↗15 EAST 26 STREET
MANHATTAN
AlterationSigned-off11/25/202512/26/2025
Owner Rockrose Development Corp
Contractor CORE FOUR CONSTRUCTION IN
Filer RIZZO GROUP
GENERAL CONSTRUCTION MODIFICATIONS ON THE 6th FLOOR PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01247386 ↗15 EAST 26 STREET
MANHATTAN
AlterationSigned-off08/20/202512/17/2025
Contractor CORE FOUR CONSTRUCTION IN
GENERAL CONSTRUCTION MODIFICATIONS ON THE 6th FLOOR PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01158768 ↗11 EAST 26 STREET
MANHATTAN
AlterationPermit Issued01/10/202511/05/2025
Contractor CORE FOUR CONSTRUCTION IN
GENERAL CONSTRUCTION MODIFICATIONS ON THE 20TH FLOOR PER PLANS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01247354 ↗11 EAST 26 STREET
MANHATTAN
AlterationSigned-off08/20/202511/05/2025
Owner Rockrose Development Corp
Contractor CORE FOUR CONSTRUCTION IN
Filer RIZZO GROUP
GENERAL CONSTRUCTION MODIFICATIONS ON THE 6th FLOOR PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
15 EAST 26 STREET ↗210/07/2025
11 EAST 26 STREET ↗206/26/2025
▾Documents — 24 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/25/2026M01158768-I1 · 11 EAST 26 STREETRequest digital key ↗
08/21/2026M01247354-I1 · 11 EAST 26 STREETRequest digital key ↗
08/21/2026M01247386-I1 · 15 EAST 26 STREETRequest digital key ↗
Showing 3 of 4 on file for this type
▸Applications & Permits4
▸DOB NOWLPC Approval/Permit4
08/13/2026M01247354-I1 · 11 EAST 26 STREETOpen ↗
08/13/2026M01247386-I1 · 15 EAST 26 STREETOpen ↗
08/13/2026M01299256-I1 · 15 EAST 26 STREETOpen ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications8
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/25/2026M01158768-I1 · 11 EAST 26 STREETOpen ↗
08/13/2026M01299256-I1 · 15 EAST 26 STREETOpen ↗
08/13/2026M01247386-I1 · 15 EAST 26 STREETOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWProgress Inspector Seal & Signature2
09/23/2026M01299256-I1 · 15 EAST 26 STREETOpen ↗
08/25/2026M01247386-I1 · 15 EAST 26 STREETOpen ↗
▸DOB NOWSpecial Inspector Seal & Signature2
09/23/2026M01299256-I1 · 15 EAST 26 STREETOpen ↗
08/25/2026M01247386-I1 · 15 EAST 26 STREETOpen ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/25/2026M01158768-I1 · 11 EAST 26 STREETOpen ↗
08/13/2026M01247386-I1 · 15 EAST 26 STREETOpen ↗
08/13/2026M01247354-I1 · 11 EAST 26 STREETOpen ↗
Showing 3 of 4 on file for this type
▸Other Documents4
▸DOB NOWProof of Historic Building4
08/13/2026M01247354-I1 · 11 EAST 26 STREETOpen ↗
08/13/2026M01247386-I1 · 15 EAST 26 STREETOpen ↗
08/13/2026M01158768-I1 · 11 EAST 26 STREETOpen ↗
Showing 3 of 4 on file for this type