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Tenant
Clara Barton H.S
Tenant · filed under 2 names
4 projects with open permitsBROOKLYN · 6
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1 building
6
Total Filings
6
Projects on File
1
Buildings Worked
4
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month6 projects all-time
0123Oct '22 · 1Jun '23 · 2Dec '25 · 1Feb '26 · 1Jul '26 · 12023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit467%
Filed only233%
By project type
Alteration6
Most active buildings
All buildings →
901 CLASSON AVENUEBROOKLYN · 4 open · latest 07/22/2026
6 projects
Key relationships
Everyone →
Contractors
2 projects
1 projects
1 projects
Filed under
Clara Barton H.S5Clara Barton H.S1
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01096505901 CLASSON AVENUE
BROOKLYN
AlterationFiled — no permit on record07/22/2026—
Design ABC ENGINEERING PLLC
Owner NEW YORK CITY PUBLIC SCHOOL
Filer TIMES BUILDINGS ENGINEERING SERVICE
—
B01322344901 CLASSON AVENUE
BROOKLYN
AlterationFiled — no permit on record02/19/2026—
Design NYC SCHOOL CONSTRUCTION AUTHORITY
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Filer NYC SCHOOL CONSTRUCTION AUTHORITY
—
B01276446901 CLASSON AVENUE
BROOKLYN
AlterationPermit Issued12/22/202502/04/2026
Design HOMERUN SOLAR
Owner AMERESCO, INC
Contractor SUNRISE ELECTRICAL SRV
Filer MUNICIPAL BUILDING CONSULTANTS
INSTALLATION OF PHOTOVOLTAIC SOLAR ARRAY ON ROOF INCLUDING ALL RELATED STRUCTURAL WORK AS PER PLANS FILED HEREWITH. NO CHANGETO USE, EGRESS …
B08016392901 CLASSON AVENUE
BROOKLYN
AlterationPermit Issued10/06/202207/28/2025
Design VELOCITY ARCHITECTURAL SERVICES
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Contractor WDF INC
Remove Existing steam Radiator, all associated piping valves and controls and install steam piping and associated electronic control valves,…
B00834306901 CLASSON AVENUE
BROOKLYN
AlterationPermit Issued06/07/202303/13/2024
Design ABC ENGINEERING PLLC
Contractor S & W WILSON ENTERPRISES
Filer TIMES BUILDINGS ENGINEERING SERVICE
FILE MECHANICAL WORK TO INSTALL (2)TWO HVAC UNITS AT 1ST FLOOR COURT YARD FOR PUBLIC SCHOOL K600. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B00834832901 CLASSON AVENUE
BROOKLYN
AlterationPermit Issued06/07/202303/13/2024
Design ABC ENGINEERING PLLC
Contractor S & W WILSON ENTERPRISES
Filer TIMES BUILDINGS ENGINEERING SERVICE
FILE MECHANICAL WORK TO INSTALL (2)TWO HVAC UNITS AT 1ST FLOOR COURT YARD FOR PUBLIC SCHOOL K600. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
Counts cover all 6 projects (6 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
ABC Engineering307/22/2026
Homerun Solar103/27/2026
NYC School Construction Authority102/23/2026
Velocity Architectural Services107/09/2024
Velocity Architectural Services PLL107/09/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
S & W Wilson Enterprises206/07/2023
Sunrise Electrical SRV103/27/2026
WDF107/09/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
NYC School Construction Authority202/23/2026
Ameresco103/27/2026
New York City Public School107/22/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Times Buildings Engineering Service307/22/2026
Municipal Building Consultants103/27/2026
NYC School Construction Authority102/23/2026
6 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 6Open permit 4Filed only 2
6 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01096505901 CLASSON AVENUE
BROOKLYN
AlterationFiled — no permit on record07/22/2026—
Design ABC ENGINEERING PLLC
Owner NEW YORK CITY PUBLIC SCHOOL
Filer TIMES BUILDINGS ENGINEERING SERVICE
—
B01322344901 CLASSON AVENUE
BROOKLYN
AlterationFiled — no permit on record02/19/2026—
Design NYC SCHOOL CONSTRUCTION AUTHORITY
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Filer NYC SCHOOL CONSTRUCTION AUTHORITY
—
B01276446901 CLASSON AVENUE
BROOKLYN
AlterationPermit Issued12/22/202502/04/2026
Design HOMERUN SOLAR
Owner AMERESCO, INC
Contractor SUNRISE ELECTRICAL SRV
Filer MUNICIPAL BUILDING CONSULTANTS
INSTALLATION OF PHOTOVOLTAIC SOLAR ARRAY ON ROOF INCLUDING ALL RELATED STRUCTURAL WORK AS PER PLANS FILED HEREWITH. NO CHANGETO USE, EGRESS …
B08016392901 CLASSON AVENUE
BROOKLYN
AlterationPermit Issued10/06/202207/28/2025
Design VELOCITY ARCHITECTURAL SERVICES
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Contractor WDF INC
Remove Existing steam Radiator, all associated piping valves and controls and install steam piping and associated electronic control valves,…
B00834306901 CLASSON AVENUE
BROOKLYN
AlterationPermit Issued06/07/202303/13/2024
Design ABC ENGINEERING PLLC
Contractor S & W WILSON ENTERPRISES
Filer TIMES BUILDINGS ENGINEERING SERVICE
FILE MECHANICAL WORK TO INSTALL (2)TWO HVAC UNITS AT 1ST FLOOR COURT YARD FOR PUBLIC SCHOOL K600. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
B00834832901 CLASSON AVENUE
BROOKLYN
AlterationPermit Issued06/07/202303/13/2024
Design ABC ENGINEERING PLLC
Contractor S & W WILSON ENTERPRISES
Filer TIMES BUILDINGS ENGINEERING SERVICE
FILE MECHANICAL WORK TO INSTALL (2)TWO HVAC UNITS AT 1ST FLOOR COURT YARD FOR PUBLIC SCHOOL K600. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
901 CLASSON AVENUE ↗607/22/2026
▾Documents — 82 on file (BIS + DOB NOW)
▸Plans & Drawings12
▸DOB NOWPlans/Sketch12
08/28/2026B08016392-P1 · 901 CLASSON AVENUERequest digital key ↗
08/28/2026B08016392-S1 · 901 CLASSON AVENUERequest digital key ↗
08/28/2026B08016392-S2 · 901 CLASSON AVENUERequest digital key ↗
Showing 3 of 12 on file for this type
▸Seals & Professional Certifications28
▸DOB NOWDPL-1: Design Professional Seal & Signature13
08/28/2026B08016392-P1 · 901 CLASSON AVENUEOpen ↗
08/28/2026B08016392-S2 · 901 CLASSON AVENUEOpen ↗
08/28/2026B08016392-I1 · 901 CLASSON AVENUEOpen ↗
Showing 3 of 13 on file for this type
▸DOB NOWProgress Inspector Seal & Signature8
10/02/2026B00834306-I1 · 901 CLASSON AVENUEOpen ↗
10/02/2026B00834306-I1 · 901 CLASSON AVENUEOpen ↗
08/28/2026B08016392-I1 · 901 CLASSON AVENUEOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature7
10/12/2026B08016392-S2 · 901 CLASSON AVENUEOpen ↗
10/02/2026B00834306-I1 · 901 CLASSON AVENUEOpen ↗
08/28/2026B08016392-I1 · 901 CLASSON AVENUEOpen ↗
Showing 3 of 7 on file for this type
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/27/2026B00834832-I1 · 901 CLASSON AVENUEOpen ↗
08/17/2026B01276446-I1 · 901 CLASSON AVENUEOpen ↗
08/17/2026B01276446-P2 · 901 CLASSON AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸Approvals, Objections & Sign-offs29
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter12
08/16/2026B01096505-I1 · 901 CLASSON AVENUEOpen ↗
08/15/2026B01322344-I1 · 901 CLASSON AVENUEOpen ↗
08/15/2026B00834306-I1 · 901 CLASSON AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)7
08/18/2026B01322344-S1 · 901 CLASSON AVENUEOpen ↗
08/13/2026B08016392-S1 · 901 CLASSON AVENUEOpen ↗
08/13/2026B01322344-S2 · 901 CLASSON AVENUEOpen ↗
Showing 3 of 7 on file for this type
▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)6
08/18/2026B01322344-S1 · 901 CLASSON AVENUEOpen ↗
08/13/2026B01322344-S2 · 901 CLASSON AVENUEOpen ↗
08/13/2026B01322344-I1 · 901 CLASSON AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWDEP Variance (V5) letter4
08/13/2026B01322344-S2 · 901 CLASSON AVENUEOpen ↗
Showing 1 of 4 on file for this type
▸Other Documents9
▸DOB NOWNYCSCA - BCC Plan Examination Transmittal7
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 7 on file for this type
▸DOB NOWFee Exempt Supporting Document - DOF Property Tax Assessment Roll2
08/13/2026B00834306-P1 · 901 CLASSON AVENUEOpen ↗
Showing 1 of 2 on file for this type