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Design Firm
WILLIAM LEEDS ARCHITECT PC
Design
2 projects with open permitsMANHATTAN · 16
13 buildings
25
Total Filings
16
Projects on File
13
Buildings Worked
2
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month16 projects all-time
0123Apr '19 · 1Oct '19 · 1Nov '19 · 1Feb '21 · 1Nov '21 · 1Feb '22 · 2Jun '22 · 1Feb '23 · 1Jun '23 · 1Feb '24 · 1May '24 · 1Jan '25 · 1Apr '25 · 1Jun '25 · 1Oct '25 · 1202020212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit212%
Signed off1381%
Filed only16%
By project type
Alteration15
Alteration CO1
Most active buildings
All buildings →
30 COOPER SQUAREMANHATTAN · latest 04/02/2024
3 projects
145 CENTRAL PARK WESTMANHATTAN · latest 05/17/2023
2 projects
18 1 AVENUEMANHATTAN · 1 open · latest 11/23/2020
1 projects
24 GREENWICH AVENUEMANHATTAN · latest 05/10/2019
1 projects
283 WEST 11 STREETMANHATTAN · latest 02/28/2024
1 projects
252 7 AVENUEMANHATTAN · 1 open · latest 05/20/2025
1 projects
William Leedslatest 09/03/2025
19 filings
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01281339 ↗400 EAST 70 STREET
MANHATTAN
AlterationSigned-off10/15/202510/28/2025IT IS PROPOSED TO RENOVATE THE EXISTING INTERIOR STUDIO CONDOMINIUM UNIT. REPLACEMENT OF FINISHES, KITCHEN REMODELING, AND GUT RENOVATION OF…
M01234758 ↗435 EAST 65 STREET
MANHATTAN
AlterationSigned-off06/13/202507/28/2025IT IS PROPOSED TO GUT RENOVATION OF PRIMARY BATHROOM AS SHOWN ON PLANS, INSTALLATION OF NEW BARN STYLE DOOR, CONSTRUCTION OF CLOSET MILLWORK…
M01200601 ↗252 7 AVENUE
MANHATTAN
AlterationPermit Issued04/01/202505/20/2025PROPOSE PLUMBING WORK AS SHOWN ON DRAWINGS ATTACHED HEREIN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01147981 ↗120 WEST 70 STREET
MANHATTAN
AlterationSigned-off01/10/202503/05/2025REMOVE EXISTING TOILET, LAVATORY, AND BATHTUB IN BATH 2. INSTALL NEW HANDICAPPED SHOWER WITH FLUSH SADDLE AND LINEAR DRAIN, NEW OVERFLOW DRA…
M01021562 ↗11 RIVERSIDE DRIVE
MANHATTAN
AlterationSigned-off05/10/202407/23/2024PLUMBING RENOVATION AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00748116 ↗30 COOPER SQUARE
MANHATTAN
AlterationSigned-off06/22/202204/02/2024it is proposed to renovate existing lobby entrances as shown on plans. no change of use, egress or occupancy.
Counts cover all 16 projects (16 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
William Leeds1909/03/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BUILT ENGINEERS, P. C.304/01/2026
BAZINI ENGINEERING, P.C.106/18/2025
BENDIX ENGINEERING, P.C.110/11/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AMBASSADOR CONSTRUCTION C310/16/2023
AMERICAN RESIDENTIAL CON*306/18/2025
ORBIT PLBG & HTG INC201/13/2025
TOSIC CONSTRUCTION CORP210/15/2025
A&H EXPRESS PLBG&HTG CORP104/01/2026
AP PLUMBING & HVAC LLC111/13/2024
BYPASS MECHANICAL CORP103/10/2020
CITI CONTRACTING OF NEW Y111/13/2024
DARTOM CONSTRUCTION LLC102/11/2021
HENRY MYERS P & H, INC112/05/2022
INTERIOR MANAGEMENT LLC112/05/2022
MUJKO RENOVATION LLC104/01/2026
PSI PARTNERS, LLC110/11/2023
RICHMOND PLBG & HEATING110/11/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
TRI-STAR EQUITIES602/28/2024
11 RIVERSIDE DRIVE CORP.111/13/2024
CITADEL PROPERTY MANAGEMENT CORP110/15/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
GEORGE E. BERGER & ASS. LLC610/15/2025
CJS EXPEDITING404/01/2026
MK ARCHITECTURE PC312/05/2022
16 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 16Open permit 2Signed off 13Filed only 1
Any typeAlteration 15Alteration CO 1
16 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01281339 ↗400 EAST 70 STREET
MANHATTAN
AlterationSigned-off10/15/202510/28/2025IT IS PROPOSED TO RENOVATE THE EXISTING INTERIOR STUDIO CONDOMINIUM UNIT. REPLACEMENT OF FINISHES, KITCHEN REMODELING, AND GUT RENOVATION OF…
M01234758 ↗435 EAST 65 STREET
MANHATTAN
AlterationSigned-off06/13/202507/28/2025IT IS PROPOSED TO GUT RENOVATION OF PRIMARY BATHROOM AS SHOWN ON PLANS, INSTALLATION OF NEW BARN STYLE DOOR, CONSTRUCTION OF CLOSET MILLWORK…
M01200601 ↗252 7 AVENUE
MANHATTAN
AlterationPermit Issued04/01/202505/20/2025PROPOSE PLUMBING WORK AS SHOWN ON DRAWINGS ATTACHED HEREIN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01147981 ↗120 WEST 70 STREET
MANHATTAN
AlterationSigned-off01/10/202503/05/2025REMOVE EXISTING TOILET, LAVATORY, AND BATHTUB IN BATH 2. INSTALL NEW HANDICAPPED SHOWER WITH FLUSH SADDLE AND LINEAR DRAIN, NEW OVERFLOW DRA…
M01021562 ↗11 RIVERSIDE DRIVE
MANHATTAN
AlterationSigned-off05/10/202407/23/2024PLUMBING RENOVATION AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00748116 ↗30 COOPER SQUARE
MANHATTAN
AlterationSigned-off06/22/202204/02/2024it is proposed to renovate existing lobby entrances as shown on plans. no change of use, egress or occupancy.
M00971433 ↗283 WEST 11 STREET
MANHATTAN
Alteration COFiled — no permit on record02/28/2024——
M00819743 ↗30 COOPER SQUARE
MANHATTAN
AlterationSigned-off02/08/202307/14/2023Provide new CW, HW, cent and sanitary piping for new ADA bathroom with Shower. provide new non-gas (electric) hot water heater. It is propos…
M00885271 ↗358 3 AVENUE
MANHATTAN
AlterationSigned-off06/14/202307/14/2023IT IS PROPOSED TO REMOVE CONVENIENCE STAIR AND CLOSE OPENING AS SHOWN ON PLANS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
M00669623 ↗145 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off02/17/202205/17/2023Plumbing work associated with Interior Renovation at Unit 14FG. No change to Use, Egress or Occupancy.
M00614728 ↗30 COOPER SQUARE
MANHATTAN
AlterationSigned-off11/30/202104/13/2022It is proposed to remove and install non-load bearing partitions and finishes on floors 4, 6-8 as shown on plans. No change of use, egress o…
M00669578 ↗145 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off02/17/202203/23/2022Interior Renovation at Unit 14FG as per plans. No Change to Use, Egress or Occupancy.
M00446752 ↗163 EAST 82 STREET
MANHATTAN
AlterationSigned-off02/11/202102/24/2021Herewith filing for roof deck at this existing building. No change in use, occupancy or egress.
M00264804 ↗18 1 AVENUE
MANHATTAN
AlterationPermit Issued11/22/201911/23/2020SEE COMMENTS
M00233611 ↗45 SUTTON PLACE SOUTH
MANHATTAN
AlterationSigned-off10/29/201911/15/2019SEE COMMENTS
M00155495 ↗24 GREENWICH AVENUE
MANHATTAN
AlterationSigned-off04/25/201905/10/2019construct temporary fence
Scope of Work
Plumbing — 2 projects · most recent 04/01/2026
Water/Sanitary Gas
Earthwork — 1 project · most recent 10/15/2025
Tenant Protection Plan 72 Hour
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
400 EAST 70 STREET ↗109/03/2025
435 EAST 65 STREET ↗106/02/2025
252 7 AVENUE ↗103/25/2025
11 RIVERSIDE DRIVE ↗103/18/2024
283 WEST 11 STREET ↗212/04/2023
30 COOPER SQUARE ↗510/10/2023
145 CENTRAL PARK WEST ↗412/05/2022
163 EAST 82 STREET ↗101/04/2021
18 1 AVENUE ↗203/10/2020
45 SUTTON PLACE SOUTH ↗302/14/2020
24 GREENWICH AVENUE ↗104/16/2019
120 WEST 70 STREET ↗2—
358 3 AVENUE ↗1—
▾Documents — 184 on file (BIS + DOB NOW)
▸Plans & Drawings35
▸DOB NOWPlans/Sketch26
09/03/2026M00614728-I1 · 30 COOPER SQUARERequest digital key ↗
Showing 3 of 26 on file for this type
▸DOB NOWPlans/Sketch - Plumbing7
09/05/2026M00264804-I1 · 18 1 AVENUERequest digital key ↗
08/15/2026M00264804-P1 · 18 1 AVENUERequest digital key ↗
Showing 3 of 7 on file for this type
▸DOB NOWPlans/Sketch - General Construction1
▸DOB NOWPlans/Sketch - Construction Fence1
▸Applications & Permits19
▸DOB NOWLPC Approval/Permit19
09/01/2026M00669578-I1 · 145 CENTRAL PARK WESTOpen ↗
08/29/2026M00748116-I1 · 30 COOPER SQUAREOpen ↗
08/14/2026M00669623-I1 · 145 CENTRAL PARK WESTOpen ↗
Showing 3 of 19 on file for this type
▸Seals & Professional Certifications83
▸DOB NOWProgress Inspector Seal & Signature39
09/01/2026M00669578-I1 · 145 CENTRAL PARK WESTOpen ↗
09/01/2026M00669578-I1 · 145 CENTRAL PARK WESTOpen ↗
09/01/2026M01200601-S1 · 252 7 AVENUEOpen ↗
Showing 3 of 39 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature33
09/02/2026M00669623-I1 · 145 CENTRAL PARK WESTOpen ↗
09/01/2026M00669578-I1 · 145 CENTRAL PARK WESTOpen ↗
08/31/2026M00819743-S2 · 30 COOPER SQUAREOpen ↗
Showing 3 of 33 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature11
09/01/2026M01200601-S1 · 252 7 AVENUEOpen ↗
08/31/2026M01147981-S1 · 120 WEST 70 STREETOpen ↗
08/29/2026M01200601-P1 · 252 7 AVENUEOpen ↗
Showing 3 of 11 on file for this type
▸Safety & Tenant Protection6
▸DOB NOWTenant Protection Plan5
08/13/2026M00233611-P2 · 45 SUTTON PLACE SOUTHOpen ↗
08/13/2026M00264804-P1 · 18 1 AVENUEOpen ↗
08/13/2026M00233611-P1 · 45 SUTTON PLACE SOUTHOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWStreet Tree Checklist1
08/13/2026M00971433-I1 · 283 WEST 11 STREETOpen ↗
▸Environmental & Asbestos36
▸DOB NOWDEP ACP-5: Asbestos Assessment Report32
09/01/2026M00669578-I1 · 145 CENTRAL PARK WESTOpen ↗
08/31/2026M00819743-S2 · 30 COOPER SQUAREOpen ↗
08/31/2026M00819743-P1 · 30 COOPER SQUAREOpen ↗
Showing 3 of 32 on file for this type
▸DOB NOWOER: Notice to Proceed3
08/18/2026M01200601-S1 · 252 7 AVENUEOpen ↗
08/13/2026M01200601-S1 · 252 7 AVENUEOpen ↗
08/13/2026M01200601-I1 · 252 7 AVENUEOpen ↗
▸DOB NOWOER: Notice of Satisfaction1
08/13/2026M01200601-I1 · 252 7 AVENUEOpen ↗
▸Energy Compliance4
▸DOB NOWEN2: As Built Energy Analysis.4
08/13/2026M00614728-I1 · 30 COOPER SQUAREOpen ↗
08/13/2026M00446752-I1 · 163 EAST 82 STREETOpen ↗
08/13/2026M00748116-I1 · 30 COOPER SQUAREOpen ↗
Showing 3 of 4 on file for this type
▸Other Documents1
▸DOB NOWProperty Ownership Certification1
08/13/2026M00971433-I1 · 283 WEST 11 STREETOpen ↗