Locations of Work

ArchitectureStructuralElectricalMechanicalPlumbingEquipmentLandscapeGeneral

Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.

Permit Issued — active, not yet Signed-off

RoofP.S. 21 Crispus AttucksUnder Construction4p · 2 filings · 20 docs

Floor 3P.S. 21 Crispus AttucksUnder Construction54p · 2 filings · 20 docs

Floor 2P.S. 21 Crispus AttucksUnder Construction55p · 2 filings · 20 docs

Floor 1P.S. 21 Crispus AttucksUnder Construction60p · 3 filings · 20 docs

CellarP.S. 21 Crispus AttucksUnder Construction53p · 1 filing · 20 docs

Site & exteriorP.S. 21 Crispus Attucks, P.S. 21KUnder Construction75p · 7 filings · 20 docs

Filed — no permit issuedP.S. 21K24p · 4 filings · 17 docs

▾Owner History (Filing Record)

Companies and organizations named on filings. Individual owners are not shown.

Owner	Filings	Most Recent
NYC School Construction Authority	131	10/14/2026
NYC Department of Education	6	03/22/2026
NYC Parks	2	10/10/2026
BOE	1	03/21/2026
NYC Department of Design and Construction	1	03/21/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
Christopher Scotti	2	10/09/2026
Dseny Engineering Services	11	08/25/2026
Associates	7	04/02/2026
NYMS Consulting	4	01/12/2026
Greenman-Pedersen	2	01/20/2025
Superstructures Engineering + Architects	2	01/17/2025
Ysrael A. Seinuk	3	11/28/2023
Massa Multimedia Architects	4	09/29/2023

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
Precision 3Sixty NYC	26	03/21/2026
Dseny Engineering Services	14	03/21/2026
Superstructures Engineering + Architects	4	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
Akm Construction Service*	General Contractor	28	07/08/2026
Maric Plumbing & Heating	Scaffold	21	04/09/2026
ACS System Associates	General Contractor	8	07/08/2026
Akm Construction Service*	Scaffold	7	07/08/2026
Maric Plumbing & Heating	specialty_contractor	7	07/08/2026
Forsythe P&H	Plumbing	4	10/14/2026
Charan Electrical Enterp's	Electrical	2	03/22/2026
A & S Electric	Electrical	2	03/21/2026
E.N.E.L. Electrical	Electrical	1	03/21/2026
Kel-Tech Construction	Scaffold	1	04/09/2026
Prince Electric	Electrical	1	03/21/2026
Mechanical Electr'l	Electrical	1	03/22/2026
A & S Electric	Electrical	1	03/22/2026
J.M.J. Electric	Electrical	1	03/21/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
Twin Peaks	317	17	04/02/2026
Socotec Engineering	4983	4	01/12/2026

Building Lifecycle

All (240)Filed (35)Permit Issued (62)Signed Off (7)Violation (60)Inspection (4)Objection (42)Special Inspection (30)

10/13/2026

Permit issued — Plumbing

B00568919-S3-PL

10/09/2026

Filed — Alteration

B01439492-S1

10/09/2026

Filed — Alteration

B01439492-I1

09/23/2026

Inspection — Pass-Final PL - Up to 9 Requested Floors

Pass

View inspection ↗

09/10/2026

Objection resolved — Addressed

08/28/2026

Signed off — Alteration

SF/PS21K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(SCAFFOLD) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO JOB B00568919. NO CHANGE IN USE, OCCUPANCY OR EGRESS

B00894408-I1

08/26/2026

Objection raised — Other

08/25/2026

Filed — Alteration

B01436699-I1

07/31/2026

Special inspection requirement — Final

07/31/2026

Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation

07/23/2026

Objection raised — Other

07/22/2026

Objection raised — Other

07/22/2026

Objection raised — Other

07/21/2026

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing

Certified

View inspection ↗

07/14/2026

Filed — Alteration

SF/PS21K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(SCAFFOLD) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO JOB B01158259-I1. NO CHANGE IN USE, OCCUPANCY OR EGRESS.

B01425341-I1

07/14/2026

Filed — Alteration

FN/PS21K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(FENCE) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO JOB B01158259-I1. NO CHANGE IN USE, OCCUPANCY OR EGRESS.

B01420157-I1

07/14/2026

Filed — Alteration

SH/PS21K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(SHED) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO JOB B01158259-I1. NO CHANGE IN USE, OCCUPANCY OR EGRESS.

B01420167-I1

07/14/2026

Objection raised — Other

07/10/2026

Objection resolved — Resolved

07/02/2026

Inspection — Certified Water and Sanitary-WS-Fixtures-Finish

Certified

View inspection ↗

07/01/2026

Special inspection requirement — Post-installed Anchors

05/27/2026

Signed off — Alteration

FN/PS21K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(FENCE) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO JOB B00568919. NO CHANGE IN USE, OCCUPANCY OR EGRESS

B00889498-I1

05/13/2026

Violation issued (ECB, open)

Construction

05/13/2026

Violation issued (ECB, open)

Construction

05/13/2026

Violation issued (ECB, open)

Construction

04/22/2026

Permit issued — Mechanical Systems

B00568919-S2-MS

04/09/2026

Objection raised — Other

04/06/2026

Violation issued (FDNY_ORDER, closed)

04/02/2026

Filed — Alteration

Mechanical, Ventilation, and related duct piping.,

B00568919-P6

04/01/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

MIKHAIL ZEYGMAN

04/01/2026

Special inspection requirement — Post-installed Anchors

MIKHAIL ZEYGMAN

04/01/2026

Special inspection requirement — Energy Code Compliance Inspections

MIKHAIL ZEYGMAN

04/01/2026

Special inspection requirement — HVAC-R and service water piping design and insulation

MIKHAIL ZEYGMAN

03/05/2026

Signed off — Alteration

PS 021K, INSTALLATION OF TEMPORARY CHIMNEY, STEAM, CONDENSATE, AND MAKE-UP WATER PIPING TO CONNECT TEMPORARY MOBILE BOILER DURING RENOVATION OF MAIN BUILDING HEATING PLANT IN CONJUNCTION WITH DOB # 322053353. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.

B00688281-S1

03/05/2026

Signed off — Alteration

PS 021K, INSTALLATION OF TEMPORARY CHIMNEY, STEAM, CONDENSATE, AND MAKE-UP WATER PIPING TO CONNECT TEMPORARY MOBILE BOILER DURING RENOVATION OF MAIN BUILDING HEATING PLANT IN CONJUNCTION WITH DOB # 322053353. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.

B00688281-S2

03/05/2026

Signed off — Alteration

PS 021K, INSTALLATION OF TEMPORARY CHIMNEY, STEAM, CONDENSATE, AND MAKE-UP WATER PIPING TO CONNECT TEMPORARY MOBILE BOILER DURING RENOVATION OF MAIN BUILDING HEATING PLANT IN CONJUNCTION WITH DOB # 322053353. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.

B00688281-I1

01/13/2026

Special inspection requirement — Mechanical Systems

Noel Tolentino

01/13/2026

Special inspection requirement — HVAC-R and service water piping design and insulation

Noel Tolentino

01/13/2026

Special inspection requirement — Final

Noel Tolentino

01/13/2026

Special inspection requirement — Chimneys and vents

Noel Tolentino

01/13/2026

Special inspection requirement — Post-installed Anchors

Noel Tolentino

01/12/2026

Filed — Alteration

PS 021K, INSTALLATION OF TEMPORARY CHIMNEY, STEAM, CONDENSATE, AND MAKE-UP WATER PIPING TO CONNECT TEMPORARY MOBILE BOILER DURING RENOVATION OF MAIN BUILDING HEATING PLANT IN CONJUNCTION WITH DOB # 322053353. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.

B00688281-P2

12/02/2025

Permit issued — Structural

B00568919-S1-ST

12/02/2025

Permit issued — General Construction

B00568919-I1-GC

12/02/2025

Permit issued — General Construction

B00568919-S5-GC

12/02/2025

Permit issued — General Construction

B00568919-S8-GC

12/02/2025

Permit issued — Foundation

B00568919-S6-FO

11/28/2025

Special inspection requirement — Post-installed Anchors

Noel Tolentino

11/28/2025

Special inspection requirement — Final

Noel Tolentino

11/28/2025

Special inspection requirement — HVAC-R and service water piping design and insulation

Noel Tolentino

11/28/2025

Special inspection requirement — Chimneys and vents

Noel Tolentino

11/28/2025

Special inspection requirement — Mechanical Systems

Noel Tolentino

11/25/2025

Permit issued — General Construction

B00568919-S4-GC

11/10/2025

Permit issued — Plumbing

B00568919-S3-PL

11/04/2025

Permit issued — Sidewalk Shed

B01035847-I1-SH

10/30/2025

Signed off — Alteration

B00896840-I1

10/03/2025

Signed off — Alteration

SOE/PS21K - FOR TEMPORARY SUPPORT OF EXCAVATION SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO JOB B00568919, B00889498 . NO CHANGE IN USE, OCCUPANCY OR EGRESS

B00894432-I1

09/24/2025

Objection resolved — Addressed

09/04/2025

Permit issued — Supported Scaffold

B00894408-I1-SF

09/03/2025

Permit issued — Construction Fence

B00889498-I1-FN

Latest 60 of 240 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Permit Issued	Forsythe P&H	10/13/2026
DOB NOW	Mechanical Systems	Permit Issued	ACS System Associates	04/22/2026
DOB NOW	Structural	Permit Issued	Akm Construction Service*	12/02/2025
DOB NOW	General Construction	Permit Issued	Akm Construction Service*	12/02/2025
DOB NOW	General Construction	Permit Issued	Akm Construction Service*	12/02/2025
DOB NOW	General Construction	Permit Issued	Akm Construction Service*	12/02/2025
DOB NOW	Foundation	Permit Issued	Akm Construction Service*	12/02/2025
DOB NOW	General Construction	Permit Issued	Akm Construction Service*	11/25/2025
DOB NOW	Plumbing	Permit Issued	Forsythe P&H	11/10/2025
DOB NOW	Sidewalk Shed	Permit Issued	Kel-Tech Construction	11/04/2025
DOB NOW	Supported Scaffold	Signed-off	Akm Construction Service*	09/04/2025
DOB NOW	Construction Fence	Signed-off	Akm Construction Service*	09/03/2025
DOB NOW	Mechanical Systems	Permit Issued	ACS System Associates	04/28/2025
DOB NOW	Mechanical Systems	Permit Issued	ACS System Associates	04/08/2025
DOB NOW	Mechanical Systems	Permit Issued	ACS System Associates	03/25/2025
DOB NOW	Mechanical Systems	Signed-off	Maric Plumbing & Heating	03/10/2025
DOB NOW	Supported Scaffold	Signed-off	Maric Plumbing & Heating	03/10/2025
DOB NOW	Supported Scaffold	Signed-off	Maric Plumbing & Heating	03/10/2025
DOB NOW	Sidewalk Shed	Signed-off	Maric Plumbing & Heating	03/07/2025
DOB NOW	Supported Scaffold	Signed-off	Maric Plumbing & Heating	03/06/2025
DOB NOW	Mechanical Systems	Signed-off	Maric Plumbing & Heating	03/06/2025
DOB NOW	Sidewalk Shed	Signed-off	Maric Plumbing & Heating	03/06/2025
DOB NOW	Mechanical Systems	Signed-off	Maric Plumbing & Heating	02/25/2025
DOB NOW	Sidewalk Shed	Signed-off	Maric Plumbing & Heating	02/25/2025
DOB NOW	Construction Fence	Signed-off	Maric Plumbing & Heating	02/25/2025
DOB NOW	Plumbing	Permit Issued	Forsythe P&H	12/10/2024
DOB NOW	General Construction	Permit Issued	Akm Construction Service*	12/03/2024
DOB NOW	Structural	Permit Issued	Akm Construction Service*	12/03/2024
DOB NOW	General Construction	Permit Issued	Akm Construction Service*	12/03/2024
DOB NOW	Support of Excavation	Signed-off	Akm Construction Service*	12/03/2024
DOB NOW	Foundation	Permit Issued	Akm Construction Service*	12/03/2024
DOB NOW	General Construction	Permit Issued	Akm Construction Service*	12/03/2024
DOB NOW	General Construction	Permit Issued	Akm Construction Service*	12/03/2024
DOB NOW	Supported Scaffold	Signed-off	Akm Construction Service*	09/06/2024
DOB NOW	Construction Fence	Signed-off	Akm Construction Service*	08/30/2024
DOB NOW	Foundation	Signed-off	Akm Construction Service*	04/24/2024
DOB NOW	Mechanical Systems	Permit Issued	ACS System Associates	04/17/2024
DOB NOW	Mechanical Systems	Permit Issued	ACS System Associates	04/10/2024
DOB NOW	Construction Fence	Signed-off	Maric Plumbing & Heating	03/20/2024
DOB NOW	Supported Scaffold	Signed-off	Maric Plumbing & Heating	03/05/2024

+ 60 more permits on file

2 projects · most recent 04/02/2026

Air Conditioning Systems Ventilation Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
04/02/2026	Permit Issued	ACS System Associates	Air Conditioning Systems	Cooling Mitsubishi Electric PUZ-A24 24,000 BTU · Condensing Unit ×2
01/20/2025	—	—	Air Conditioning Systems, Ventilation Systems	Cooling Mitsubishi Electric PKA-AL18NL 18,000 BTU · Heat Pump Outdoor ×1 PUY-AK18NL 18,000 BTU · Heat Pump Outdoor ×1 Ventilation Greenheck CUBE-240 4,800 CFM · Exhaust Fan ×1 G-080-VG 200 CFM · Exhaust Fan ×1 G-090-E 250 CFM · Exhaust Fan ×1 G-090-VG 515 CFM · Exhaust Fan ×1 GB-300 8,345 CFM · Exhaust Fan ×1

2 projects · most recent 04/02/2026

Storm Water/Sanitary

Filed	Status	Contractor	Scope
04/02/2026	Permit Issued	Forsythe P&H	Storm, Water/Sanitary
01/20/2025	—	—	Storm

19 projects · most recent 06/04/2025

General Wiring Lighting

Filed	Status	Contractor	Scope
06/04/2025	Complete	Falcon Electrical Contracting	General Wiring
07/10/2024	Permit Issued	Stanco System Electrical Cont	—
11/15/2023	Permit Issued	Mechanical Electr'l	—
09/13/2023	Complete	Milad Contracting	General Wiring, Lighting
01/18/2023	Complete	Charan Electrical Enterp's	—
11/01/2022	Complete	Charan Electrical Enterp's	—
08/05/2022	Complete	Abm Electric	—
08/04/2022	Complete	Abm Electric	General Wiring
08/02/2022	Complete	Charan Electrical Enterp's	—
06/24/2022	Complete	Falcon Electrical Contracting	—
05/17/2022	Complete	Falcon Electrical Contracting	—
08/06/2021	Complete	Charan Electrical Enterp's	—
07/20/2021	Complete	Charan Electrical Enterp's	—
05/12/2021	Permit Issued	A & S Electric	General Wiring
07/03/2019	Permit Issued	A & S Electric	General Wiring

2 projects · most recent 04/02/2026

Filed	Status	Contractor	Scope
04/02/2026	Permit Issued	Forsythe P&H	2 scope_items
01/20/2025	—	—	1 scope_items

6 projects · most recent 07/14/2026

Sidewalk Shed Fence Scaffold

Filed	Status	Contractor	Scope
07/14/2026	—	—	Sidewalk Shed
07/14/2026	—	—	Fence
07/14/2026	—	—	Scaffold
07/18/2024	Permit Issued	Kel-Tech Construction	Sidewalk Shed
10/19/2023	Signed-off	Akm Construction Service*	Fence
06/23/2023	Signed-off	Akm Construction Service*	Scaffold

▾Field Inspections (DOB CAP) — 4

Date	Type	Result	Report
09/23/2026	Pass-Final PL - Up to 9 Requested Floors	Pass	View ↗
07/21/2026	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
07/02/2026	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
08/16/2022	Pass-Final Boiler Equipment Inspection	Pass	View ↗

▾Special Inspection Requirements (DOB NOW) — 109

Date	Requirement	Inspector	Role
07/31/2026	Final	—	progress
07/31/2026	Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation	—	special
07/01/2026	Post-installed Anchors	—	special
04/01/2026	Fire-Resistant Penetrations and Joints	MIKHAIL ZEYGMAN	special
04/01/2026	Post-installed Anchors	MIKHAIL ZEYGMAN	special
04/01/2026	HVAC-R and service water piping design and insulation	MIKHAIL ZEYGMAN	energy_progress
04/01/2026	Energy Code Compliance Inspections	MIKHAIL ZEYGMAN	progress
01/13/2026	Chimneys and vents	Noel Tolentino	special
01/13/2026	Post-installed Anchors	Noel Tolentino	special
01/13/2026	Mechanical Systems	Noel Tolentino	special
01/13/2026	Final	Noel Tolentino	progress
01/13/2026	HVAC-R and service water piping design and insulation	Noel Tolentino	energy_progress
11/28/2025	Chimneys and vents	Noel Tolentino	special
11/28/2025	Mechanical Systems	Noel Tolentino	special
11/28/2025	Post-installed Anchors	Noel Tolentino	special
11/28/2025	Final	Noel Tolentino	progress
11/28/2025	HVAC-R and service water piping design and insulation	Noel Tolentino	energy_progress
04/22/2025	Excavations - Sheeting, Shoring, and Bracing	MIKHAIL ZEYGMAN	special
02/24/2025	Air barrier - visual inspection	—	energy_progress
02/24/2025	Structural Steel - Details	—	special
02/24/2025	Structural Steel - High Strength Bolting	—	special
02/24/2025	Fenestration and door U-factor and product ratings	—	energy_progress
02/24/2025	Fenestration areas	—	energy_progress
02/24/2025	Fenestration air leakage	—	energy_progress
02/09/2025	Fire-Resistant Penetrations and Joints	HAKEEM ALSHAWABKEH	special

Latest 25 of 109.

▾Tenants in the building

Tenant	Space	Floors	Renovation projects
P.S. 21K	Education	—	Project B01436699 Alteration · Approved · 08/25/2026 Project B01420157 Alteration · Objections · 07/14/2026 Project B01420167 Alteration · Objections · 07/14/2026 Project B01425341 Alteration · Objections · 07/14/2026 Project B00894432 Alteration · LOC Issued · 08/15/2023 Project B00889498 Alteration · LOC Issued · 06/23/2023 Project B00894408 Alteration · LOC Issued · 06/23/2023
P.S. 21 Crispus Attucks	Education	Cellar, Floors 1–3, Roof	Project B01158259 Alteration · Approved · 01/17/2025 Project B01035847 Alteration · Permit Entire · 07/18/2024 Project B00896840 Alteration · LOC Issued · 09/14/2023 Project B00688281 Alteration · LOC Issued · 04/11/2022 Project B00568919 Alteration · Permit Entire · 10/28/2021

Names are taken automatically from the text of each project’s filed documents (title blocks and cover sheets) and screened to exclude owners, landlords and designers. They may be incomplete or wrong; check the filing.

▾Documents — 294 on file (BIS + DOB NOW)

▸Plans & Drawings35

▸DOB NOWPlans/Sketch35

08/29/2026B00688281-P2Request digital key ↗

08/29/2026B00688281-S1Request digital key ↗

08/29/2026B00688281-I1Request digital key ↗

Showing 3 of 35 on file for this type

▸Seals & Professional Certifications105

▸DOB NOWProgress Inspector Seal & Signature42

10/03/2026B00896840-I1Open ↗

10/01/2026B00568919-I1Open ↗

Showing 3 of 42 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature33

08/29/2026B00688281-P2Open ↗

08/29/2026B00688281-S2Open ↗

08/29/2026B00688281-S1Open ↗

Showing 3 of 33 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature30

10/03/2026B00896840-I1Open ↗

Showing 3 of 30 on file for this type

▸Safety & Tenant Protection5

▸DOB NOWNYCSCA - Approved Site Safety Plans5

08/29/2026B00688281-I1Open ↗

08/13/2026B00889498-I1Open ↗

08/13/2026B00889498-P1Open ↗

Showing 3 of 5 on file for this type

▸Environmental & Asbestos12

▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form8

08/26/2026B00568919-S3Open ↗

08/26/2026B00568919-S4Open ↗

08/26/2026B00568919-S5Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWDEP ACP-5: Asbestos Assessment Report4

08/29/2026B00688281-P2Open ↗

08/29/2026B00688281-S2Open ↗

Showing 2 of 4 on file for this type

▸Energy Compliance1

▸DOB NOWEN2: As Built Energy Analysis1

08/29/2026B00688281-S2Open ↗

▸Inspections & Test Reports3

▸DOB NOWSOIL REPORT2

08/13/2026B00568919-S6Open ↗

08/13/2026B00568919-P5Open ↗

▸DOB NOWTR4 Test Report and Plot Diagram1

08/13/2026B00568919-S6Open ↗

▸Approvals, Objections & Sign-offs92

▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter33

08/29/2026B00688281-P2Open ↗

08/29/2026B00688281-S2Open ↗

08/29/2026B00688281-S1Open ↗

Showing 3 of 33 on file for this type

▸DOB NOWDesign Commission Approval City Owned (Exterior Work)33

08/29/2026B00688281-P2Open ↗

08/29/2026B00688281-S2Open ↗

08/29/2026B00688281-S1Open ↗

Showing 3 of 33 on file for this type

▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)18

08/29/2026B00688281-S2Open ↗

08/29/2026B00688281-S1Open ↗

08/29/2026B00688281-I1Open ↗

Showing 3 of 18 on file for this type

▸DOB NOWDEP Variance (V5) letter8

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 8 on file for this type

▸Other Documents41

▸DOB NOWNYCSCA - BCC Plan Examination Transmittal34

09/13/2026B01436699-I1Open ↗

08/29/2026B00688281-S1Open ↗

08/29/2026B00688281-P2Open ↗

Showing 3 of 34 on file for this type

▸DOB NOWNYCSCA Exhibit 26

08/29/2026B00688281-S1Open ↗

08/29/2026B00688281-I1Open ↗

08/29/2026B00688281-S2Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWAdjoining Owners Notification1

08/13/2026B00894432-I1Open ↗