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P.S. 48 Mapleton
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3 projects with open permitsBROOKLYN · 3
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1 building
3
Total Filings
3
Projects on File
1
Buildings Worked
3
Projects w/ Open Permits
Tenant
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Activity
Projects by first filing month3 projects all-time
0112Jan '22 · 1Sep '25 · 1Nov '25 · 12022202320242025
bars = month · line = 3-mo average
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Open permit3100%
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Alteration3
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6015 18TH AVENUEBROOKLYN · 3 open · latest 08/07/2026
3 projects
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2 projects
2 projects
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2 projects
1 projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B013233866015 18TH AVENUE
BROOKLYN
AlterationPermit Issued11/26/202508/07/2026
Design SYSTRA
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Contractor EMPIRE CONTROL ABATEMENT
K048_ CTF_ Path of Travel Work. Provide a new drinking fountain along the path of travel of the parent project. No change in use, egress, o…
B012833956015 18TH AVENUE
BROOKLYN
AlterationPermit Issued09/10/202502/25/2026
Design SYSTRA
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Contractor EMPIRE CONTROL ABATEMENT
Provide new thermostat and associated wiring and conduit.
B006679876015 18TH AVENUE
BROOKLYN
AlterationPermit Issued01/31/202205/17/2023
Contractor ASH CONTRACTING CORP
Temporary Construction Fence in the Playground Area.
Counts cover all 3 projects (3 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Princeton Engineering Services211/28/2025
Systra211/28/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Empire Control Abatement211/28/2025
Ash Contracting101/31/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
NYC School Construction Authority211/28/2025
3 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 3Open permit 3
3 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B013233866015 18TH AVENUE
BROOKLYN
AlterationPermit Issued11/26/202508/07/2026
Design SYSTRA
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Contractor EMPIRE CONTROL ABATEMENT
K048_ CTF_ Path of Travel Work. Provide a new drinking fountain along the path of travel of the parent project. No change in use, egress, o…
B012833956015 18TH AVENUE
BROOKLYN
AlterationPermit Issued09/10/202502/25/2026
Design SYSTRA
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Contractor EMPIRE CONTROL ABATEMENT
Provide new thermostat and associated wiring and conduit.
B006679876015 18TH AVENUE
BROOKLYN
AlterationPermit Issued01/31/202205/17/2023
Contractor ASH CONTRACTING CORP
Temporary Construction Fence in the Playground Area.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
6015 18TH AVENUE ↗311/28/2025
▾Documents — 46 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/31/2026B00667987-I1 · 6015 18TH AVENUERequest digital key ↗
08/20/2026B01283395-I1 · 6015 18TH AVENUERequest digital key ↗
08/20/2026B01283395-S1 · 6015 18TH AVENUERequest digital key ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications12
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/31/2026B00667987-I1 · 6015 18TH AVENUEOpen ↗
08/20/2026B01283395-I1 · 6015 18TH AVENUEOpen ↗
08/19/2026B01323386-I1 · 6015 18TH AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
09/23/2026B01283395-S1 · 6015 18TH AVENUEOpen ↗
08/28/2026B01323386-I1 · 6015 18TH AVENUEOpen ↗
08/27/2026B01283395-I1 · 6015 18TH AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWProgress Inspector Seal & Signature2
09/23/2026B01283395-S1 · 6015 18TH AVENUEOpen ↗
08/27/2026B01283395-I1 · 6015 18TH AVENUEOpen ↗
▸Safety & Tenant Protection1
▸DOB NOWNYCSCA - Approved Site Safety Plans1
08/13/2026B00667987-I1 · 6015 18TH AVENUEOpen ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form2
08/20/2026B01283395-S1 · 6015 18TH AVENUEOpen ↗
Showing 1 of 2 on file for this type
▸Approvals, Objections & Sign-offs16
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter6
08/31/2026B00667987-I1 · 6015 18TH AVENUEOpen ↗
08/20/2026B01283395-I1 · 6015 18TH AVENUEOpen ↗
08/13/2026B01323386-I1 · 6015 18TH AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)6
08/20/2026B01283395-I1 · 6015 18TH AVENUEOpen ↗
08/13/2026B01323386-I1 · 6015 18TH AVENUEOpen ↗
08/13/2026B00667987-I1 · 6015 18TH AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWDEP Variance (V5) letter2
08/19/2026B01323386-I1 · 6015 18TH AVENUEOpen ↗
Showing 1 of 2 on file for this type
▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)2
08/20/2026B01283395-S1 · 6015 18TH AVENUEOpen ↗
08/20/2026B01283395-I1 · 6015 18TH AVENUEOpen ↗
▸Other Documents9
▸DOB NOWNYCSCA - BCC Plan Examination Transmittal6
08/20/2026B01283395-I1 · 6015 18TH AVENUEOpen ↗
08/13/2026B00667987-I1 · 6015 18TH AVENUEOpen ↗
08/13/2026B01323386-S1 · 6015 18TH AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWProof of Historic Building3
08/20/2026B01283395-I1 · 6015 18TH AVENUEOpen ↗
08/13/2026B01323386-I1 · 6015 18TH AVENUEOpen ↗
Showing 2 of 3 on file for this type