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Design Firm
CLAUS F. RADEMACHER, ARCHITECTS
Design
6 projects with open permitsMANHATTAN · 27QUEENS · 2
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20 buildings
72
Total Filings
29
Projects on File
20
Buildings Worked
6
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month29 projects all-time
0134Mar '20 · 1Jun '20 · 1Aug '20 · 1Jan '21 · 1Mar '21 · 2Apr '21 · 1May '21 · 2Jul '21 · 2Aug '21 · 2Oct '22 · 2Nov '22 · 1Dec '22 · 1Feb '23 · 3Sep '23 · 2Mar '24 · 1Jan '25 · 1May '25 · 1Jun '25 · 1May '26 · 1Jun '26 · 1Jul '26 · 1202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit621%
Signed off2172%
Filed only27%
By project type
Alteration28
Alteration CO1
Most active buildings
All buildings →
150 CENTRAL PARK SOUTHMANHATTAN · 2 open · latest 01/20/2026
4 projects
118 WEST 12 STREETMANHATTAN · latest 12/22/2021
2 projects
1965 BROADWAYMANHATTAN · 1 open · latest 04/17/2025
2 projects
826 LEXINGTON AVENUEMANHATTAN · latest 07/16/2021
2 projects
1538 3 AVENUEMANHATTAN · latest 09/03/2022
2 projects
455 CENTRAL PARK WESTMANHATTAN · latest 09/27/2022
2 projects
Key relationships
Everyone →
Filing representatives
16 projects
7 projects
1 projects
1 projects
People
All people →
Claus Rademacherlatest 06/16/2026
57 filings
Filed under
CLAUS F. RADEMACHER, ARCHITECTS72
Identified by the contact ids of the people who file for the firm and by its email domain (clausrademacher.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01407535 ↗505 EAST 79 STREET
MANHATTAN
AlterationPermit Issued06/26/202608/28/2026
Contractor DUTCHMAN CONTRACTING INC
Filer M.HASHAS,INC
Install minor plumbing work in conjunction work with the interior renovation work.
M01417816 ↗300 CENTRAL PARK WEST
MANHATTAN
AlterationPermit Issued07/27/202608/07/2026
Owner 300 CPW APARTMENTS CORP.
Contractor DUTCHMAN CONTRACTING INC
Filer PROCESS WERKSHOP LLC
Interior renovation throughout apt 25G. Remove/install finishes and fixtures. Plumbing field as subsequent document. No change in occupancy,…
M01399043 ↗1095 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record05/28/2026—
Filer PROCESS WERKSHOP LLC
—
M01219270 ↗150 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off06/05/202501/20/2026
Contractor DUTCHMAN CONTRACTING INC
Filer PROCESS WERKSHOP LLC
REMOVE/INSTALL NEW NON-LOAD BEARING PARTITIONS AND FINISHES. NO CHANGE TO OCCUPANCY, USE OR EGRESS
M00819959 ↗150 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued02/01/202301/15/2026
Contractor DUTCHMAN CONTRACTING INC
Filer BOYD CONSULTING, INC
Filing for renovation of apartment Apt: 2901; no change to use, egress or occupancy.
M01216965 ↗150 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued05/14/202501/13/2026
Contractor DUTCHMAN CONTRACTING INC
Filer PROCESS WERKSHOP LLC
REMOVE/INSTALL NEW NON-LOAD BEARING PARTITIONS AND FINISHES. REPLACE WINDOWS. NO CHANGE TO OCCUPANCY, USE OR EGRESS
Counts cover all 29 projects (29 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
Claus Rademacher5706/16/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Guth DeConzo Consulting Engineers109/19/2024
JOSEPH K. BLUM CO. LLP105/28/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DUTCHMAN CONTRACTING INC1107/27/2026
FIVE STAR P AND H CO, INC606/26/2026
FIVE STAR P&H CO,INC412/01/2025
2M MECHANICAL LLC102/21/2024
CASTRO RENOVATIONS INC110/26/2023
DFE CONTRACTOR LLC105/14/2024
EDGECOMBE PLBG & HTG INC108/03/2021
EEK CONSTRUCTION CO., INC104/28/2025
F.S. SITE CORP104/28/2025
K.O.S. PLUMBING&HEATING,I103/30/2020
MAXCO CONTRACTING.INC103/27/2024
MINOS CONSTRUCTION CORP104/07/2021
R.J.C. MECHANICAL CORP104/14/2022
SIGNORE & SONS PLBG CORP102/26/2024
SJB INTERIORS INC103/24/2022
THE INTERIORS GROUP L.L.C102/26/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DUTCH KILLS THEATER COMPANY205/14/2024
300 CPW APARTMENTS CORP.107/27/2026
DUTCHMAN CONTRACTING, INC.106/09/2021
R&R CAPITAL PARTNERS, LLC105/28/2025
SEROTONIN LLC103/27/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
PROCESS WERKSHOP LLC1607/27/2026
M.HASHAS,INC706/26/2026
BOYD CONSULTING, INC111/26/2025
NMI ARCHITECTURE PLLC105/14/2024
29 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 29Open permit 6Signed off 21Filed only 2
Any typeAlteration 28Alteration CO 1
29 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01407535 ↗505 EAST 79 STREET
MANHATTAN
AlterationPermit Issued06/26/202608/28/2026
Contractor DUTCHMAN CONTRACTING INC
Filer M.HASHAS,INC
Install minor plumbing work in conjunction work with the interior renovation work.
M01417816 ↗300 CENTRAL PARK WEST
MANHATTAN
AlterationPermit Issued07/27/202608/07/2026
Owner 300 CPW APARTMENTS CORP.
Contractor DUTCHMAN CONTRACTING INC
Filer PROCESS WERKSHOP LLC
Interior renovation throughout apt 25G. Remove/install finishes and fixtures. Plumbing field as subsequent document. No change in occupancy,…
M01399043 ↗1095 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record05/28/2026—
Filer PROCESS WERKSHOP LLC
—
M01219270 ↗150 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off06/05/202501/20/2026
Contractor DUTCHMAN CONTRACTING INC
Filer PROCESS WERKSHOP LLC
REMOVE/INSTALL NEW NON-LOAD BEARING PARTITIONS AND FINISHES. NO CHANGE TO OCCUPANCY, USE OR EGRESS
M00819959 ↗150 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued02/01/202301/15/2026
Contractor DUTCHMAN CONTRACTING INC
Filer BOYD CONSULTING, INC
Filing for renovation of apartment Apt: 2901; no change to use, egress or occupancy.
M01216965 ↗150 CENTRAL PARK SOUTH
MANHATTAN
AlterationPermit Issued05/14/202501/13/2026
Contractor DUTCHMAN CONTRACTING INC
Filer PROCESS WERKSHOP LLC
REMOVE/INSTALL NEW NON-LOAD BEARING PARTITIONS AND FINISHES. REPLACE WINDOWS. NO CHANGE TO OCCUPANCY, USE OR EGRESS
M00822569 ↗1965 BROADWAY
MANHATTAN
AlterationSigned-off02/17/202304/17/2025
Owner R&R CAPITAL PARTNERS, LLC
Contractor DUTCHMAN CONTRACTING INC
Filer M.HASHAS,INC
Install new exterior convenience stair from roof terrace to the roof at Apt#PH3A. Create new opening in parapet at roof for stair access. In…
M00925433 ↗1965 BROADWAY
MANHATTAN
AlterationPermit Issued09/01/202304/15/2025
Contractor DUTCHMAN CONTRACTING INC
Filer PROCESS WERKSHOP LLC
Renovation of existing apartment 28A. Remove/install non load bearing partitions and finishes. PL and MS filed separately. No change in occu…
M01164253 ↗1239 MADISON AVENUE
MANHATTAN
AlterationFiled — no permit on record01/22/2025———
M01025780 ↗225 CHERRY STREET
MANHATTAN
AlterationSigned-off03/27/202406/20/2024
Owner SEROTONIN LLC
Contractor MAXCO CONTRACTING.INC
Filer PROCESS WERKSHOP LLC
MINOR RENOVATION OF APT PHD. REMOVE/INSTALL NON-LOAD BEARING PARTITIONS AND FINISHES. NO CHANGE IN OCCUPANCY, USE OR EGRESS.
M00833075 ↗106 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off02/22/202303/06/2024
Contractor EEK CONSTRUCTION CO., INC
Filer PROCESS WERKSHOP LLC
remove/replace/relocate plumbing fixtures in apt 22F.
M00916965 ↗150 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off09/11/202310/30/2023
Contractor SIGNORE & SONS PLBG CORP
Filer PROCESS WERKSHOP LLC
Minor renovation to existing apt #803. Remove/install non-load bearing partitions & finishes. PL filed separately. No change in occupancy, u…
M08044228 ↗23 GREENWICH AVENUE
MANHATTAN
AlterationSigned-off12/20/202202/24/2023
Contractor DUTCHMAN CONTRACTING INC
FILING HEREWITH FOR GC WORK AS PER PLANS. NO CHANGE TO USE EGRESS OR OCCUPANCY ON THIS APPLICATION.
M08022658 ↗41 5 AVENUE
MANHATTAN
AlterationSigned-off11/03/202201/31/2023
Contractor CASTRO RENOVATIONS
Filer M.HASHAS,INC
Filing for minor interior work . Remove and install finishes, cabinetry etc. Make two openings in masonry walls and install PTAC units. No c…
Q08012696 ↗32-20 32 STREET
QUEENS
Alteration COPermit Issued10/17/202201/20/2023
Owner DUTCH KILLS THEATER COMPANY
Contractor DFE CONTRACTOR LLC
Filer NMI ARCHITECTURE PLLC
Alt-1 for the existing 2 fam to combine the 1st and second floor as one unit, create a separate unit at the basement floor, no change of use…
Q08025042 ↗32-20 32 STREET
QUEENS
AlterationSigned-off10/21/202201/19/2023
Owner DUTCH KILLS THEATER COMPANY
Contractor MOHAMED ABDELRAZEK
Filer PROCESS WERKSHOP LLC
MINOR PLUMBING WORK RELATED TO GEN CONST WORK FILED SEPERATELY. NO CHANGE IN OCCUPANCY, USE OR EGRESS.
M00554435 ↗455 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off08/02/202109/27/2022
Contractor FIVE STAR P AND H CO, INC
Filer PROCESS WERKSHOP LLC
Minor plumbing work in apt 21c. GC work filed separately. No change in occupancy, use or egress.
M00483839 ↗1538 3 AVENUE
MANHATTAN
AlterationSigned-off03/19/202109/03/2022
Contractor FIVE STAR P&H CO,INC
Filer PROCESS WERKSHOP LLC
MINOR PLUMBING RENOVATION IN PH3A FILED IN CONJUNCTION WITH GC DOB NOW #M00483828
M00549896 ↗455 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off08/02/202106/15/2022
Contractor DUTCHMAN CONTRACTING INC
Filer PROCESS WERKSHOP LLC
REMOVE/INSTALL NON LOAD BEARING PARTITIONS & FINISHES IN APT 21C. NO CHANGE IN OCCUPANCY, USE OR EGRESS. PL & MS WORK FILED UNDER SEPARATE A…
M00483828 ↗1538 3 AVENUE
MANHATTAN
AlterationSigned-off03/19/202105/16/2022
Contractor SJB INTERIORS INC
Filer PROCESS WERKSHOP LLC
REMOVE & INSTALL NEW NON-LOAD BEARING PARTITIONS & FINISHES IN APT.PH3A. NEW THRU WALL PTAC UNIT. PL WORK FILED SEPARATELY. NO CHANGE IN OCC…
M00436604 ↗475 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off01/27/202101/13/2022
Owner DUTCHMAN CONTRACTING, INC.
Contractor FIVE STAR P AND H CO, INC
Filer PROCESS WERKSHOP LLC
MINOR PLUMBING WORK FOR APT 2S. NO CHANGE IN OCCUPANCY, USE OR EGRESS
M00529265 ↗118 WEST 12 STREET
MANHATTAN
AlterationSigned-off07/08/202112/22/2021
Contractor DUTCHMAN CONTRACTING INC
Filer PROCESS WERKSHOP LLC
Remove/Install interior non bearing partitions & finishes. Plumbing work filed under separate application. No change in occupancy, use or eg…
M00481937 ↗329 WEST 108 STREET
MANHATTAN
AlterationSigned-off04/07/202109/27/2021
Contractor MINOS CONSTRUCTION CORP
Filer M.HASHAS,INC
FILING FOR MINOR INTERIOR RENOVATION . REMOVE ONE INTERIOR STAIR AND RELOCATE THE SECOND INTERIOR SPACE IN DUPLEX APARTMENT.
M00529302 ↗118 WEST 12 STREET
MANHATTAN
AlterationSigned-off07/08/202108/10/2021
Contractor FIVE STAR P AND H CO, INC
Filer PROCESS WERKSHOP LLC
MINOR PLUMBING WORK FILED IN CONJUNCTION WITH GC APPLICATION FILED SEPERATELY. NO CHANGE IN OCCUPANCY, USE OR EGRESS.
M00521982 ↗826 LEXINGTON AVENUE
MANHATTAN
AlterationSigned-off05/14/202107/16/2021
Contractor FIVE STAR P AND H CO, INC
Filer M.HASHAS,INC
FILING FOR THE PLUMBING WORK IN CONJUCTION WITH THE RENOAVTION OF THE BATHROOMS.
M00518254 ↗826 LEXINGTON AVENUE
MANHATTAN
AlterationSigned-off05/14/202107/07/2021
Contractor DUTCHMAN CONTRACTING INC
Filer M.HASHAS,INC
FILING TO RENOVATE THE EXISTING BATHROOMS. NO CHANGE IN USE EGRESS OR OCCUPANCY.
M00230616 ↗860 5 AVENUE
MANHATTAN
AlterationSigned-off06/18/202008/25/2020
Contractor EDGECOMBE PLBG & HTG INC
Filer PROCESS WERKSHOP LLC
FILING HEREWITH PLUMBING MODIFICATION ON THE 8TH FLOOR APT 8C AS INDICATED ON THE DRAWINGS. NO CHANGE IN USE EGRESS OR OCCUPANCY
M00376262 ↗121 WEST 85 STREET
MANHATTAN
AlterationSigned-off08/04/202008/10/2020
Contractor FIVE STAR P&H CO,INC
Filer PROCESS WERKSHOP LLC
MINOR PLUMBING WORK FILED IN CONJUNCTION WITH BIS ALT 2 GEN.CONST APPLICATION. NO CHANGE IN OCCUPANCY USE OR EGRESS.
M00333321 ↗1056 5 AVENUE
MANHATTAN
AlterationSigned-off03/30/202006/11/2020
Contractor A.M.N. CORPORATION
Filer PROCESS WERKSHOP LLC
MINOR PLUMBING WORK RELATED TO APARTMENT 14AE COMBINATION FILED UNDER BIS#123832727. NO CHANGE IN OCCUPANCY, USE OR EGRESS UNDER THIS APPLIC…
Scope of Work
HVAC — 1 project · most recent 09/19/2024
Air Conditioning Systems
Plumbing — 5 projects · most recent 07/27/2026
Water/Sanitary Gas
Structural — 2 projects · most recent 11/26/2025
Steel Concrete
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
300 CENTRAL PARK WEST ↗206/16/2026
1095 PARK AVENUE ↗205/26/2026
505 EAST 79 STREET ↗205/26/2026
150 CENTRAL PARK SOUTH ↗1212/01/2025
106 CENTRAL PARK SOUTH ↗504/03/2025
1965 BROADWAY ↗509/09/2024
32-20 32 STREET ↗905/13/2024
225 CHERRY STREET ↗103/26/2024
41 5 AVENUE ↗310/03/2023
23 GREENWICH AVENUE ↗111/22/2022
455 CENTRAL PARK WEST ↗509/26/2022
1538 3 AVENUE ↗704/13/2022
860 5 AVENUE ↗207/30/2021
118 WEST 12 STREET ↗505/26/2021
826 LEXINGTON AVENUE ↗205/13/2021
329 WEST 108 STREET ↗103/08/2021
475 AVENUE OF THE AMER ↗212/04/2020
121 WEST 85 STREET ↗210/30/2020
1056 5 AVENUE ↗103/16/2020
1239 MADISON AVENUE ↗3—
▾Documents — 341 on file (BIS + DOB NOW)
▸Plans & Drawings71
▸DOB NOWPlans/Sketch64
09/04/2026M00483839-P1 · 1538 3 AVENUERequest digital key ↗
09/04/2026M00483839-I1 · 1538 3 AVENUERequest digital key ↗
09/04/2026M00483839-P3 · 1538 3 AVENUERequest digital key ↗
Showing 3 of 64 on file for this type
▸DOB NOWPlans/Sketch - Plumbing7
09/04/2026M00376262-I1 · 121 WEST 85 STREETRequest digital key ↗
09/03/2026M00436604-I1 · 475 AVENUE OF THE AMERRequest digital key ↗
09/03/2026M00230616-P1 · 860 5 AVENUERequest digital key ↗
Showing 3 of 7 on file for this type
▸Applications & Permits27
▸DOB NOWLPC Approval/Permit27
09/04/2026M00376262-I1 · 121 WEST 85 STREETOpen ↗
09/03/2026M00518254-I1 · 826 LEXINGTON AVENUEOpen ↗
09/03/2026M00554435-I1 · 455 CENTRAL PARK WESTOpen ↗
Showing 3 of 27 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Seals & Professional Certifications163
▸DOB NOWDPL-1: Design Professional Seal & Signature71
09/05/2026M00333321-I1 · 1056 5 AVENUEOpen ↗
09/04/2026M00376262-I1 · 121 WEST 85 STREETOpen ↗
09/04/2026M00483839-P1 · 1538 3 AVENUEOpen ↗
Showing 3 of 71 on file for this type
▸DOB NOWProgress Inspector Seal & Signature56
09/28/2026M00483828-P1 · 1538 3 AVENUEOpen ↗
09/28/2026M00483828-P1 · 1538 3 AVENUEOpen ↗
09/28/2026M00483828-P1 · 1538 3 AVENUEOpen ↗
Showing 3 of 56 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature36
09/28/2026M00483828-P1 · 1538 3 AVENUEOpen ↗
09/22/2026M00819959-P2 · 150 CENTRAL PARK SOUTHOpen ↗
09/22/2026M00819959-P2 · 150 CENTRAL PARK SOUTHOpen ↗
Showing 3 of 36 on file for this type
▸Trade Schedules & Equipment2
▸DOB NOWSprinkler system Application Sign-off1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWSprinkler System sign-off1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Safety & Tenant Protection5
▸DOB NOWTenant Protection Plan5
09/03/2026M00230616-P1 · 860 5 AVENUEOpen ↗
08/15/2026M00333321-I1 · 1056 5 AVENUEOpen ↗
08/14/2026M00230616-I1 · 860 5 AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos63
▸DOB NOWDEP ACP-5: Asbestos Assessment Report60
09/04/2026M00376262-I1 · 121 WEST 85 STREETOpen ↗
09/04/2026M00483839-P1 · 1538 3 AVENUEOpen ↗
09/04/2026M00483839-I1 · 1538 3 AVENUEOpen ↗
Showing 3 of 60 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form3
08/24/2026Q08025042-I1 · 32-20 32 STREETOpen ↗
08/13/2026M00436604-I1 · 475 AVENUE OF THE AMEROpen ↗
Showing 2 of 3 on file for this type
▸Energy Compliance5
▸DOB NOWEN2: As Built Energy Analysis.5
09/03/2026M00518254-I1 · 826 LEXINGTON AVENUEOpen ↗
08/14/2026M00481937-I1 · 329 WEST 108 STREETOpen ↗
08/13/2026M00549896-I1 · 455 CENTRAL PARK WESTOpen ↗
Showing 3 of 5 on file for this type
▸Other Documents4
▸DOB NOWProperty Ownership Certification3
08/22/2026Q08012696-P1 · 32-20 32 STREETOpen ↗
Showing 1 of 3 on file for this type
▸DOB NOWProof of Historic Building1
08/13/2026M08044228-I1 · 23 GREENWICH AVENUEOpen ↗