← Back
Design Firm
HART HOWERTON
Design
1 project with open permitsMANHATTAN · 1
Claim this page
1 building
1
Total Filings
1
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
Design
Role
Activity
Not enough dated projects to chart.
Portfolio status
Browse projects →
Open permit1100%
By project type
Alteration1
Most active buildings
All buildings →
52 WEST 11 STREETMANHATTAN · 1 open · latest 05/08/2025
1 projects
Key relationships
Everyone →
Filing representatives
1 projects
Contractors
1 projects
People
All people →
ALBERT TINSONlatest 12/18/2024
1 filings
Filed under
HART HOWERTON1
Identified by the contact ids of the people who file for the firm and by its email domain (harthowerton.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01157719 ↗52 WEST 11 STREET
MANHATTAN
AlterationPermit Issued01/10/202505/08/2025
Contractor LEONE CONSTRUCTION MANAG*
Filer J. CALLAHAN CONSULTING, INC.
Minor renovation proposed for the cellar and basement of a single-family home. There will be no change to use, occupancy or egress.
Counts cover all 1 projects (1 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
ALBERT TINSON112/18/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LEONE CONSTRUCTION MANAG*101/10/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
J. CALLAHAN CONSULTING, INC.101/10/2025
1 DOB NOW project, 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 1Open permit 1
1 project
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01157719 ↗52 WEST 11 STREET
MANHATTAN
AlterationPermit Issued01/10/202505/08/2025
Contractor LEONE CONSTRUCTION MANAG*
Filer J. CALLAHAN CONSULTING, INC.
Minor renovation proposed for the cellar and basement of a single-family home. There will be no change to use, occupancy or egress.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
52 WEST 11 STREET ↗112/18/2024
▾Documents — 6 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/25/2026M01157719-I1 · 52 WEST 11 STREETRequest digital key ↗
▸Applications & Permits1
▸DOB NOWLPC Approval/Permit1
08/13/2026M01157719-I1 · 52 WEST 11 STREETOpen ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026M01157719-I1 · 52 WEST 11 STREETOpen ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/28/2026M01157719-I1 · 52 WEST 11 STREETOpen ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026M01157719-I1 · 52 WEST 11 STREETOpen ↗
▸Other Documents1
▸DOB NOWProof of Historic Building1
08/13/2026M01157719-I1 · 52 WEST 11 STREETOpen ↗