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Design Firm
MABBOTT SEIDEL ARCHITECTURE, PLLC
Design
2 projects with open permitsBROOKLYN · 13MANHATTAN · 9
13 buildings
55
Total Filings
22
Projects on File
13
Buildings Worked
2
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month22 projects all-time
0134Aug '19 · 1Sep '19 · 1Oct '19 · 1Feb '21 · 1Apr '21 · 1May '21 · 3Jun '21 · 1Jul '21 · 1Aug '21 · 1Nov '21 · 1Dec '21 · 1Mar '22 · 1Oct '22 · 1Nov '22 · 2Jul '23 · 1Feb '24 · 1May '24 · 2Jul '24 · 120202021202220232024
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit29%
Signed off2091%
By project type
Alteration20
Alteration CO2
Most active buildings
All buildings →
29 MT MORRIS PARK WESTMANHATTAN · 1 open · latest 12/09/2021
4 projects
169 ECKFORD STREETBROOKLYN · latest 05/19/2022
3 projects
47 HUDSON STREETMANHATTAN · latest 05/01/2024
2 projects
400 WEST END AVENUEMANHATTAN · latest 10/03/2023
2 projects
257A 19 STREETBROOKLYN · 1 open · latest 12/28/2022
2 projects
79 MONROE STREETBROOKLYN · latest 05/30/2023
2 projects
Key relationships
Everyone →
Filing representatives
Owners
2 projects
2 projects
1 projects
DAVID MABBOTTlatest 06/06/2024
32 filings
MATTHEW SEIDELlatest 02/05/2020
4 filings
Filed under
MABBOTT SEIDEL ARCHITECTURE, PLLC55
Identified by the contact ids of the people who file for the firm and by its email domain (mabbottseidel.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01021208 ↗419 STERLING PLACE
BROOKLYN
AlterationSigned-off07/11/202408/02/2024replacement of rear yard deck
B01021191 ↗300 RUGBY ROAD
BROOKLYN
AlterationSigned-off05/09/202405/17/2024renovate existing bathroom and existing WC, misc minor construction to closets in 2nd foor bedrooms and 3rd floor storage rooms
B01020892 ↗554 MACON STREET
BROOKLYN
AlterationSigned-off05/07/202405/13/2024Interior renovation of kitchens and bathrooms, interior finishes, and window replacement.
M01000734 ↗47 HUDSON STREET
MANHATTAN
AlterationSigned-off02/12/202405/01/2024HEREBY FILING FOR THE REMOVAL, REPLACEMENT, RELOCATION AND INSTALLATION OF PLUMBING FIXTURES IN APARTMENT 5C. NO CHANGE TO USE OCCUAONCY OR…
M00887704 ↗47 HUDSON STREET
MANHATTAN
AlterationSigned-off07/05/202302/06/2024HEREBY FILING FOR INTERIOR RENOVATIONOFN EXISTING APARTMENT 5C LOCATED ON THE FIFTH FLOOR, WORK TO INCLUDE REMOVAL AND INSTALLATIONOFN PARTI…
M08038330 ↗400 WEST END AVENUE
MANHATTAN
AlterationSigned-off11/11/202210/03/2023HEREBY FILING FOR THE INTERIOR RENOVATION OF EXXIATING APARTMENT 7A AND THE REPLACEMENT AND INSTALLATION OF MECHANCIAL EQUIPMENT. NO CHANGE…
Counts cover all 22 projects (22 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
DAVID MABBOTT3206/06/2024
MATTHEW SEIDEL402/05/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MABBBOTT SEIDEL BUILD LLC1407/11/2024
ORBIT PLBG & HTG INC804/10/2024
ORBIT SPRINKLER CORP104/10/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
GUMLEY HAFT211/11/2022
REMD TRUST208/10/2022
MS.104/09/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JENNY FLORES EXPEDITING1107/11/2024
MABBOTT SEIDEL ARCHITECTURE, LLP705/08/2023
22 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 22Open permit 2Signed off 20
Any typeAlteration 20Alteration CO 2
22 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01021208 ↗419 STERLING PLACE
BROOKLYN
AlterationSigned-off07/11/202408/02/2024replacement of rear yard deck
B01021191 ↗300 RUGBY ROAD
BROOKLYN
AlterationSigned-off05/09/202405/17/2024renovate existing bathroom and existing WC, misc minor construction to closets in 2nd foor bedrooms and 3rd floor storage rooms
B01020892 ↗554 MACON STREET
BROOKLYN
AlterationSigned-off05/07/202405/13/2024Interior renovation of kitchens and bathrooms, interior finishes, and window replacement.
M01000734 ↗47 HUDSON STREET
MANHATTAN
AlterationSigned-off02/12/202405/01/2024HEREBY FILING FOR THE REMOVAL, REPLACEMENT, RELOCATION AND INSTALLATION OF PLUMBING FIXTURES IN APARTMENT 5C. NO CHANGE TO USE OCCUAONCY OR…
M00887704 ↗47 HUDSON STREET
MANHATTAN
AlterationSigned-off07/05/202302/06/2024HEREBY FILING FOR INTERIOR RENOVATIONOFN EXISTING APARTMENT 5C LOCATED ON THE FIFTH FLOOR, WORK TO INCLUDE REMOVAL AND INSTALLATIONOFN PARTI…
M08038330 ↗400 WEST END AVENUE
MANHATTAN
AlterationSigned-off11/11/202210/03/2023HEREBY FILING FOR THE INTERIOR RENOVATION OF EXXIATING APARTMENT 7A AND THE REPLACEMENT AND INSTALLATION OF MECHANCIAL EQUIPMENT. NO CHANGE…
B00548055 ↗79 MONROE STREET
BROOKLYN
AlterationSigned-off06/30/202105/30/2023Relocation of existing plumbing fixtures on basement and 2nd floors.
M08038331 ↗400 WEST END AVENUE
MANHATTAN
AlterationSigned-off11/11/202203/13/2023PLUMBING WORK ASSOCIATED WITH INTERIOR RENOVATION
B00700610 ↗257A 19 STREET
BROOKLYN
Alteration COPermit Issued03/18/202212/28/2022HEREBY FILING TO RECONFIGURE TWO FAMILY INTERIOR LAYOUT OF EXSTING TWO FAMILY DWELLING.
B08016090 ↗257A 19 STREET
BROOKLYN
AlterationSigned-off10/05/202210/15/2022Plumbing work associated with ALT-1 filing
B00524762 ↗169 ECKFORD STREET
BROOKLYN
AlterationSigned-off05/26/202105/19/2022Installation of air conditioning system and ERV
B00519879 ↗169 ECKFORD STREET
BROOKLYN
AlterationSigned-off05/11/202104/12/2022Installation of construction fence.
B00470275 ↗169 ECKFORD STREET
BROOKLYN
AlterationSigned-off02/23/202102/01/2022Sanitary and domestic plumbing work throughout 2 family.
M00643948 ↗29 MT MORRIS PARK WEST
MANHATTAN
AlterationSigned-off12/08/202112/09/2021CONSTRUCTION FENCE
M00635700 ↗29 MT MORRIS PARK WEST
MANHATTAN
AlterationSigned-off11/23/202112/04/2021HEREBY FILING FOR INSTALLATION AND RELOCATION OF PLUMBING FIXTURES. NO CHANGE TO USE OCCUPANCY OR EGRESS.
M00493158 ↗29 MT MORRIS PARK WEST
MANHATTAN
Alteration COPermit Issued04/06/202111/24/2021HEREBY FILING TO CONVERT SRO TO SINGLE FAMILY. INTERIOR RENOVATION. INSTALLATION OF MECHANCIAL EQUIPMENT.
M00581849 ↗29 MT MORRIS PARK WEST
MANHATTAN
AlterationSigned-off08/25/202109/08/2021HEREBY FILING FOR LIMITED INTERIOR AND EXTERIOR REMOVALS ANS CORRESPONDING STRUCTURAL WORK. NO CHANGE TO USE OCCUPANCY OR EGRESS UNDER THIS…
M00566486 ↗309 WEST 118 STREET
MANHATTAN
AlterationSigned-off07/29/202108/03/2021Interior apartment renovation.
B00516815 ↗79 MONROE STREET
BROOKLYN
AlterationSigned-off05/21/202106/01/2021Renovation of the basement apartment, including kitchen and bathroom, and 2nd-floor bathroom.
B00243378 ↗233 8 STREET
BROOKLYN
AlterationSigned-off10/10/201912/21/2020Construction Fence associated with ALT-1 job filing 321938864.
B00227485 ↗617 CARLTON AVENUE
BROOKLYN
AlterationSigned-off09/20/201909/23/2019REPLACE (1) KITCHEN SINK, (1) DW, (2) LAVATORY, (2) WC, (1) BATHTUB. INSTALL (1) NEW SHOWER. REPLACE GAS PIPING.
B00206711 ↗2919 FT HAMILTON PARKWAY
BROOKLYN
AlterationSigned-off08/08/201908/09/2019
Owner MS.
PLUMBING WORK ASSOCIATED WITH ALT-2 OT GENERAL CONSTRUCTION FILING 3400689829. NO CHANGE TOUSE, OCCUPANCY OR EGRESS.
Scope of Work
HVAC — 2 projects · most recent 06/21/2023
Ventilation Systems Air Conditioning Systems Heating Systems
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
47 HUDSON STREET ↗606/06/2024
300 RUGBY ROAD ↗103/17/2024
419 STERLING PLACE ↗103/17/2024
554 MACON STREET ↗103/15/2024
79 MONROE STREET ↗505/08/2023
257A 19 STREET ↗604/06/2023
400 WEST END AVENUE ↗211/10/2022
29 MT MORRIS PARK WEST ↗1109/27/2022
169 ECKFORD STREET ↗1108/09/2022
309 WEST 118 STREET ↗107/28/2021
2919 FT HAMILTON PARKWAY ↗402/28/2020
617 CARLTON AVENUE ↗502/05/2020
233 8 STREET ↗1—
▾Documents — 276 on file (BIS + DOB NOW)
▸Plans & Drawings48
▸DOB NOWPlans/Sketch36
Showing 3 of 36 on file for this type
▸DOB NOWPlans/Sketch - Plumbing11
Showing 3 of 11 on file for this type
▸DOB NOWPlans/Sketch - Construction Fence1
09/02/2026B00243378-I1 · 233 8 STREETRequest digital key ↗
▸Applications & Permits19
▸DOB NOWLPC Approval/Permit19
09/02/2026M00635700-P2 · 29 MT MORRIS PARK WESTOpen ↗
09/02/2026M00635700-P4 · 29 MT MORRIS PARK WESTOpen ↗
09/02/2026M00635700-P3 · 29 MT MORRIS PARK WESTOpen ↗
Showing 3 of 19 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 Certifications130
▸DOB NOWProgress Inspector Seal & Signature50
09/23/2026M00566486-I1 · 309 WEST 118 STREETOpen ↗
09/23/2026M00566486-I1 · 309 WEST 118 STREETOpen ↗
09/22/2026B00206711-P2 · 2919 FT HAMILTON PARKWAYOpen ↗
Showing 3 of 50 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature47
09/03/2026M00643948-I1 · 29 MT MORRIS PARK WESTOpen ↗
09/02/2026M00635700-P2 · 29 MT MORRIS PARK WESTOpen ↗
09/02/2026M00635700-P4 · 29 MT MORRIS PARK WESTOpen ↗
Showing 3 of 47 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature33
09/23/2026M00566486-I1 · 309 WEST 118 STREETOpen ↗
09/22/2026B00206711-P2 · 2919 FT HAMILTON PARKWAYOpen ↗
09/01/2026B00470275-P2 · 169 ECKFORD STREETOpen ↗
Showing 3 of 33 on file for this type
▸Safety & Tenant Protection23
▸DOB NOWHPD-3: Single Room Occupancy Multiple Dwelling (SRO MD) Anti-Harassment Checklist8
09/03/2026M00643948-I1 · 29 MT MORRIS PARK WESTOpen ↗
09/02/2026M00635700-P2 · 29 MT MORRIS PARK WESTOpen ↗
09/02/2026M00635700-P4 · 29 MT MORRIS PARK WESTOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWTenant Protection Plan7
08/13/2026B00227485-P2 · 617 CARLTON AVENUEOpen ↗
08/13/2026B00206711-P2 · 2919 FT HAMILTON PARKWAYOpen ↗
08/13/2026B00206711-I1 · 2919 FT HAMILTON PARKWAYOpen ↗
Showing 3 of 7 on file for this type
▸DOB NOWStreet Tree Checklist5
08/13/2026M00493158-I1 · 29 MT MORRIS PARK WESTOpen ↗
Showing 1 of 5 on file for this type
▸DOB NOWStreet Trees Site Plan1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWStreet Tree 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
▸Environmental & Asbestos38
▸DOB NOWDEP ACP-5: Asbestos Assessment Report34
09/02/2026M00635700-P3 · 29 MT MORRIS PARK WESTOpen ↗
09/02/2026M00635700-P2 · 29 MT MORRIS PARK WESTOpen ↗
09/02/2026M00635700-P4 · 29 MT MORRIS PARK WESTOpen ↗
Showing 3 of 34 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form4
09/01/2026B00524762-I1 · 169 ECKFORD STREETOpen ↗
08/15/2026M08038331-I1 · 400 WEST END AVENUEOpen ↗
08/13/2026B00206711-I1 · 2919 FT HAMILTON PARKWAYOpen ↗
Showing 3 of 4 on file for this type
▸Energy Compliance5
▸DOB NOWEN2: As Built Energy Analysis.4
09/01/2026B00516815-I1 · 79 MONROE STREETOpen ↗
Showing 1 of 4 on file for this type
▸DOB NOWPreliminary Commissioning Report Certification1
08/13/2026M08038330-I1 · 400 WEST END AVENUEOpen ↗
▸Approvals, Objections & Sign-offs3
▸DOB NOWLandmark Approval2
09/01/2026M00493158-I1 · 29 MT MORRIS PARK WESTOpen ↗
09/01/2026B00227485-P3 · 617 CARLTON AVENUEOpen ↗
▸DOB NOWHPD-3 Single Room Occupancy Multiple Dwelling SRO MD Anti1
09/01/2026M00493158-I1 · 29 MT MORRIS PARK WESTOpen ↗
▸Other Documents9
▸DOB NOWProperty Ownership Certification3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWPlot Diagram3
09/01/2026M00493158-I1 · 29 MT MORRIS PARK WESTOpen ↗
Showing 1 of 3 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
09/01/2026M00493158-I1 · 29 MT MORRIS PARK WESTOpen ↗
Showing 1 of 3 on file for this type