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Design Firm
TYLER ELLIS, RA
Design
7 projects with open permitsMANHATTAN · 12
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3 buildings
34
Total Filings
12
Projects on File
3
Buildings Worked
7
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month12 projects all-time
0123Aug '23 · 2Sep '23 · 1Nov '23 · 1Mar '24 · 2Oct '24 · 1Dec '24 · 1Apr '25 · 1Aug '25 · 1Apr '26 · 1Jun '26 · 1202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit758%
Signed off433%
Filed only18%
By project type
Alteration12
Most active buildings
All buildings →
200 CENTRAL PARK SOUTHMANHATTAN · 5 open · latest 09/11/2026
10 projects
163 EAST 81 STREETMANHATTAN · 1 open · latest 07/17/2024
1 projects
205 WEST 139 STREETMANHATTAN · 1 open · latest 09/15/2026
1 projects
Key relationships
Everyone →
Filing representatives
5 projects
1 projects
Owners
1 projects
1 projects
People
All people →
tyler ellislatest 07/02/2026
26 filings
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01205873 ↗205 WEST 139 STREET
MANHATTAN
AlterationPermit Issued04/30/202509/15/2026
Contractor ALLCAN CORP
Filer CONVERSANO ASSOCIATES, INC.
Plumbing modifications associated with interior renovation. No change to use, egress or occupancy.
M00950939 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued11/06/202309/11/2026
Contractor JMP CONTRACTING
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith for the modifications to existing plumbing systems
M00917653 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued08/23/202308/13/2026
Owner 31 W 89 REALTY, LLC
Contractor GW MECHANICAL CORP
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith for the renovation at apt 19DEF. Modifications to existing plumbing system. There is no change to use, egress, or occupancy.
M01421604 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationFiled — no permit on record06/30/2026———
M01387079 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued04/16/202606/18/2026
Contractor GW MECHANICAL CORP
REMOVAL, REPLACEMENT AND ADDITION OF NEW DOMESTIC PLUMBING FIXTURES
M01154958 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued12/20/202403/09/2026
Contractor JMP CONTRACTING
INTERIOR RENOVATION TO APARTMENT NUMBER 4H. NO CHANGE OF USE, OCCUPANCY OR EGRESS.
Counts cover all 12 projects (12 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
tyler ellis2607/02/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
GW MECHANICAL CORP704/28/2026
J.M.P. CONTRACTING CORP704/28/2026
KNG CONSTRUCTION CO INC208/12/2025
M&G PLUMBING AND HEATING208/12/2025
ALLCAN CORP104/30/2025
KA&C MECH LLC104/30/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
31 W 89 REALTY, LLC105/13/2025
SHI105/13/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CONVERSANO ASSOCIATES, INC.508/18/2025
PROSPECT STUDIO ARCHITECTS PLLC101/27/2025
12 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 12Open permit 7Signed off 4Filed only 1
12 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01205873 ↗205 WEST 139 STREET
MANHATTAN
AlterationPermit Issued04/30/202509/15/2026
Contractor ALLCAN CORP
Filer CONVERSANO ASSOCIATES, INC.
Plumbing modifications associated with interior renovation. No change to use, egress or occupancy.
M00950939 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued11/06/202309/11/2026
Contractor JMP CONTRACTING
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith for the modifications to existing plumbing systems
M00917653 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued08/23/202308/13/2026
Owner 31 W 89 REALTY, LLC
Contractor GW MECHANICAL CORP
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith for the renovation at apt 19DEF. Modifications to existing plumbing system. There is no change to use, egress, or occupancy.
M01421604 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationFiled — no permit on record06/30/2026———
M01387079 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued04/16/202606/18/2026
Contractor GW MECHANICAL CORP
REMOVAL, REPLACEMENT AND ADDITION OF NEW DOMESTIC PLUMBING FIXTURES
M01154958 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued12/20/202403/09/2026
Contractor JMP CONTRACTING
INTERIOR RENOVATION TO APARTMENT NUMBER 4H. NO CHANGE OF USE, OCCUPANCY OR EGRESS.
M01089271 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off10/25/202410/17/2025
Contractor JMP CONTRACTING
INTERIOR RENOVATION TO APARTMENT 28B. NO CHANGE IN USE, OCCUPANCY, OR EGRESS.
M01261351 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued08/12/202509/18/2025
Contractor KNG CONSTRUCTION CO INC
INTERIOR RENOVATION TO APARTMENT NUMBER 19H. NO CHANGE OF USE, OCCUPANCY OR EGRESS.
M01007502 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off03/14/202401/21/2025
Contractor GW MECHANICAL CORP
Filer PROSPECT STUDIO ARCHITECTS PLLC
INTERIOR RENOVATION TO APARTMENT 9Q INCLUDING EXISTING KITCHEN AND BATHROOMS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS.
M00870160 ↗163 EAST 81 STREET
MANHATTAN
AlterationPermit Issued09/05/202307/17/2024
Contractor KNG CONSTRUCTION CO INC
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith for the renovation of Apt 2C. Plumbing modifications to existing plumbing systems. There is no change in use, egress, or occ…
M01007490 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off03/15/202403/28/2024
Contractor JMP CONTRACTING
INTERIOR RENOVATION TO APARTMENT 9Q. NO CHANGE IN USE, OCCUPANCY, OR EGRESS.
M00915198 ↗200 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off08/22/202301/19/2024
Contractor JMP CONTRACTING
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith for the plumbing modifications to existing plumbing system
Scope of Work
Plumbing — 10 projects · most recent 07/06/2026
Water/Sanitary Gas
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
200 CENTRAL PARK SOUTH ↗2907/02/2026
163 EAST 81 STREET ↗305/20/2025
205 WEST 139 STREET ↗204/04/2025
▾Documents — 129 on file (BIS + DOB NOW)
▸Plans & Drawings32
▸DOB NOWPlans/Sketch32
08/29/2026M00915198-S1 · 200 CENTRAL PARK SOUTHRequest digital key ↗
08/29/2026M00915198-I1 · 200 CENTRAL PARK SOUTHRequest digital key ↗
08/27/2026M01007490-I1 · 200 CENTRAL PARK SOUTHRequest digital key ↗
Showing 3 of 32 on file for this type
▸Applications & Permits1
▸DOB NOWLPC Approval/Permit1
08/13/2026M01205873-I1 · 205 WEST 139 STREETOpen ↗
▸Seals & Professional Certifications63
▸DOB NOWDPL-1: Design Professional Seal & Signature32
08/27/2026M01007490-I1 · 200 CENTRAL PARK SOUTHOpen ↗
08/25/2026M01089271-S1 · 200 CENTRAL PARK SOUTHOpen ↗
08/25/2026M01007502-I1 · 200 CENTRAL PARK SOUTHOpen ↗
Showing 3 of 32 on file for this type
▸DOB NOWProgress Inspector Seal & Signature31
08/31/2026M00870160-I1 · 163 EAST 81 STREETOpen ↗
08/31/2026M00870160-I1 · 163 EAST 81 STREETOpen ↗
08/31/2026M00870160-I1 · 163 EAST 81 STREETOpen ↗
Showing 3 of 31 on file for this type
▸Environmental & Asbestos32
▸DOB NOWDEP ACP-5: Asbestos Assessment Report32
08/27/2026M01007490-I1 · 200 CENTRAL PARK SOUTHOpen ↗
08/25/2026M01089271-S1 · 200 CENTRAL PARK SOUTHOpen ↗
08/25/2026M01007502-I1 · 200 CENTRAL PARK SOUTHOpen ↗
Showing 3 of 32 on file for this type
▸Other Documents1
▸DOB NOWProof of Historic Building1
08/13/2026M01205873-I1 · 205 WEST 139 STREETOpen ↗