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Miscellaneous two family
421 1ST STREET
BROOKLYN · Park Slope · BIN 3020707
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1901Year Built
3Stories
B9Building Class
R6BZoning
3,200 sfGross Floor Area
2Units
Miscellaneous two family · 2,000 sf lot · 1.6 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Sub-Basement16p · 1 filing · 15 docs
Site & exterior3p · 1 filing · 15 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Rob Hegedus Architect501/22/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Maryclare Nepogoda503/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Sohome WorkGeneral Contractor304/09/2026
Crossfield Plumbing & HeatingPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
PSI Agency254210/25/2024
Building Lifecycle
All (38)Filed (5)Permit Issued (4)Signed Off (2)Inspection (3)Objection (24)
03/30/2026
Signed off — Alteration
Plumbing plans filed for basement apartment, filed in conjunction with GC work type. (There are no plan changes required under this P1 amendment.)
B01123855-S1
03/30/2026
Signed off — Alteration
Plumbing plans filed for basement apartment, filed in conjunction with GC work type. (There are no plan changes required under this P1 amendment.)
B01123855-I1
01/22/2026
Filed — Alteration
Plumbing plans filed for basement apartment, filed in conjunction with GC work type. (There are no plan changes required under this P1 amendment.)
B01123855-P3
01/07/2026
Objection raised — Plumbing
01/07/2026
Objection resolved — Addressed
01/01/2026
Filed — Alteration
Plumbing plans filed for basement apartment, filed in conjunction with GC work type. (There are no plan changes required under this P1 amendment.)
B01123855-P2
12/29/2025
Objection resolved — Addressed
12/23/2025
Objection raised — Scope
12/18/2025
Filed — Alteration
Plumbing plans filed for basement apartment, filed in conjunction with GC work type. (There are no plan changes required under this P1 amendment.)
B01123855-P1
09/17/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
09/17/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
09/14/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
07/11/2025
Permit issued — Plumbing
B01123855-S1-PL
07/09/2025
Permit issued — Mechanical Systems
B01123855-I1-ST
07/09/2025
Permit issued — Structural
B01123855-I1-GC
07/09/2025
Permit issued — General Construction
B01123855-I1-MS
11/15/2024
Objection resolved — Addressed
11/06/2024
Objection resolved — Addressed
11/04/2024
Objection resolved — Addressed
11/04/2024
Objection resolved — Addressed
11/04/2024
Objection resolved — Addressed
11/04/2024
Objection resolved — Addressed
11/04/2024
Objection resolved — Addressed
11/04/2024
Objection resolved — Addressed
11/04/2024
Objection resolved — Addressed
11/04/2024
Objection resolved — Addressed
10/30/2024
Objection raised — Inspections
10/30/2024
Objection raised — Scope
10/30/2024
Objection raised — Other
10/30/2024
Objection raised — Scope
10/30/2024
Objection raised — Fire_Protection
10/30/2024
Objection raised — Other
10/30/2024
Objection raised — Inspections
10/30/2024
Objection raised — Other
10/29/2024
Objection raised — Energy
10/29/2024
Objection raised — Admin
10/25/2024
Filed — Alteration
Plumbing plans filed for basement apartment, filed in conjunction with GC work type. (There are no plan changes required under this P1 amendment.)
B01123855-S1
10/25/2024
Filed — Alteration
Plumbing plans filed for basement apartment, filed in conjunction with GC work type. (There are no plan changes required under this P1 amendment.)
B01123855-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offCrossfield Plumbing & Heating07/11/2025
DOB NOWMechanical SystemsSigned-offSohome Work07/09/2025
DOB NOWStructuralSigned-offSohome Work07/09/2025
DOB NOWGeneral ConstructionSigned-offSohome Work07/09/2025
BISPLISSUEDMartin PLG & Heating08/23/1995
BISOTISSUEDJorgensen Builders Group06/09/1995
1 project · most recent 03/17/2026
General Wiring
FiledStatusContractorScope
03/17/2026CompleteW 8 ElectricGeneral Wiring
▾Field Inspections (DOB CAP) — 3
DateTypeResultReport
09/17/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
09/17/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
09/14/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
▾Documents — 15 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/19/2026B01123855-I1Request digital key ↗
08/19/2026B01123855-S1Request digital key ↗
08/19/2026B01123855-P1Request digital key ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications5
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/19/2026B01123855-S1Open ↗
08/19/2026B01123855-P2Open ↗
08/13/2026B01123855-P1Open ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/19/2026B01123855-P1Open ↗
08/19/2026B01123855-S1Open ↗
08/19/2026B01123855-P2Open ↗
Showing 3 of 5 on file for this type