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Design Firm
ARCHITECTURE
Design
2 projects with open permitsMANHATTAN · 3
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3 buildings
6
Total Filings
3
Projects on File
3
Buildings Worked
2
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month3 projects all-time
0112Jul '22 · 1Sep '25 · 1Oct '25 · 1202320242025
bars = month · line = 3-mo average
Portfolio status
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Open permit267%
Signed off133%
By project type
Alteration3
Most active buildings
All buildings →
195 HUDSON STREETMANHATTAN · 1 open · latest 02/02/2026
1 projects
894 7 AVENUEMANHATTAN · 1 open · latest 09/10/2026
1 projects
499 PARK AVENUEMANHATTAN · latest 07/08/2022
1 projects
Key relationships
Everyone →
Design firms
2 projects
Filing representatives
3 projects
People
All people →
jonathan schlosslatest 01/14/2026
5 filings
Filed under
ARCHITECTURE6
Identified by the contact ids of the people who file for the firm and by its email domain (jonathanschloss.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01270908 ↗894 7 AVENUE
MANHATTAN
AlterationPermit Issued09/26/202509/10/2026
Contractor T.S.M. MECHANICAL CORP
Filer WILLIAM VITACCO ASSOCIATES
Sprinkler work as shown on plans filed herewith. No change in use, egress or occupancy.
M01185773 ↗195 HUDSON STREET
MANHATTAN
AlterationPermit Issued10/09/202502/02/2026
Owner Halstead Management Co. LLC
Contractor DEMAR MECHANICAL INC
Filer WILLIAM VITACCO ASSOCIATES
Plumbing work as shown on the plans.
M00745639 ↗499 PARK AVENUE
MANHATTAN
AlterationSigned-off07/01/202207/08/2022
Owner QUADRANT CAPITAL ADVISORS
Contractor JRM CONSTRUCTION MGMT LLC
Filer WILLIAM VITACCO ASSOCIATES
interior renovations as per plans filed herewith. No change in use, egress or occupancy.
Counts cover all 3 projects (3 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
jonathan schloss501/14/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LIZARDOS ENGINEERING202/06/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DEMAR MECHANICAL INC202/06/2026
FRANCO REMODELING CORP202/06/2026
T.S.M. MECHANICAL CORP202/06/2026
DEMAR PLUMBING CORP109/29/2025
JRM CONSTRUCTION MGMT LLC106/13/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HALSTEAD MANAGEMENT102/06/2026
QUADRANT CAPITAL ADVISORS106/13/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
WILLIAM VITACCO ASSOCIATES302/06/2026
3 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 3Open permit 2Signed off 1
3 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01270908 ↗894 7 AVENUE
MANHATTAN
AlterationPermit Issued09/26/202509/10/2026
Contractor T.S.M. MECHANICAL CORP
Filer WILLIAM VITACCO ASSOCIATES
Sprinkler work as shown on plans filed herewith. No change in use, egress or occupancy.
M01185773 ↗195 HUDSON STREET
MANHATTAN
AlterationPermit Issued10/09/202502/02/2026
Owner Halstead Management Co. LLC
Contractor DEMAR MECHANICAL INC
Filer WILLIAM VITACCO ASSOCIATES
Plumbing work as shown on the plans.
M00745639 ↗499 PARK AVENUE
MANHATTAN
AlterationSigned-off07/01/202207/08/2022
Owner QUADRANT CAPITAL ADVISORS
Contractor JRM CONSTRUCTION MGMT LLC
Filer WILLIAM VITACCO ASSOCIATES
interior renovations as per plans filed herewith. No change in use, egress or occupancy.
Scope of Work
HVAC — 2 projects · most recent 02/06/2026
Heating and Air Conditioning Systems Ventilation Systems
Sprinkler / Standpipe — 1 project · most recent 09/29/2025
Sprinkler System
Plumbing — 2 projects · most recent 02/06/2026
Water/Sanitary Gas Medical Gas
Earthwork — 1 project · most recent 02/06/2026
Tenant Protection Plan 72 Hour
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
195 HUDSON STREET ↗201/14/2026
894 7 AVENUE ↗108/13/2025
499 PARK AVENUE ↗303/27/2023
▾Documents — 72 on file (BIS + DOB NOW)
▸Plans & Drawings12
▸DOB NOWPlans/Sketch12
09/02/2026M00745639-I1 · 499 PARK AVENUERequest digital key ↗
09/02/2026M00745639-P1 · 499 PARK AVENUERequest digital key ↗
08/21/2026M01270908-I1 · 894 7 AVENUERequest digital key ↗
Showing 3 of 12 on file for this type
▸Applications & Permits3
▸DOB NOWLPC Approval/Permit3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸Seals & Professional Certifications43
▸DOB NOWProgress Inspector Seal & Signature21
09/28/2026M01185773-P3 · 195 HUDSON STREETOpen ↗
09/28/2026M01185773-P3 · 195 HUDSON STREETOpen ↗
09/28/2026M01185773-P3 · 195 HUDSON STREETOpen ↗
Showing 3 of 21 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature12
09/02/2026M00745639-I1 · 499 PARK AVENUEOpen ↗
09/02/2026M00745639-P1 · 499 PARK AVENUEOpen ↗
08/21/2026M01270908-I1 · 894 7 AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature10
09/28/2026M01185773-P3 · 195 HUDSON STREETOpen ↗
09/28/2026M01185773-P3 · 195 HUDSON STREETOpen ↗
09/23/2026M01270908-S1 · 894 7 AVENUEOpen ↗
Showing 3 of 10 on file for this type
▸Environmental & Asbestos12
▸DOB NOWDEP ACP-5: Asbestos Assessment Report12
09/02/2026M00745639-I1 · 499 PARK AVENUEOpen ↗
09/02/2026M00745639-P1 · 499 PARK AVENUEOpen ↗
08/21/2026M01270908-I1 · 894 7 AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis1
08/13/2026M00745639-I1 · 499 PARK AVENUEOpen ↗
▸Other Documents1
▸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