Public elementary, junior or senior high

I.S. 51 Edwin Markham

20 HOUSTON STREET · Westerleigh-Castleton Corners · BIN 5107210

💬 Discuss this project

1959Year Built

2Stories

W1Building Class

R3-2Zoning

226,590 sfGross Floor Area

1Units

7 Open Violations 0 unresolved · 7 paperwork only ▸FDNY Report ↗

Public elementary, junior or senior high · Owner of record: NYC DEPARTMENT OF EDUCATION · 240,550 sf lot · 0.94 FAR built · Flood zone X

Locations of Work

Mechanical

Basement2p · 1 filing · 5 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
NYC SCHOOL CONSTRUCTION AUTHORITY	14	09/07/2026
DEPARTMENT OF EDUCATION	9	03/22/2026
DOE IS 51 040	5	03/22/2026
DOE 0 040	4	03/22/2026
DEPT OF EDUCATION IS 51	2	03/22/2026
DOE I.S.51	15	03/22/2026
DEPARTMENT OF EDUCATION 0	4	03/22/2026
DOE 040	2	03/22/2026
IS 51 D.O.E	1	03/22/2026
I.S.51 D.O.E. 0	2	03/22/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
AME SERVICES INC	1	07/05/2026
EME GROUP/SALAS O'BRIEN	1	03/17/2026
COLLADO ENGINEERING	1	09/26/2022
NYMS CONSULTING, LLC	1	12/10/2019

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
D45 CONSULTING	1	03/21/2026
MKM LANDSCAPE ARCHITECTURE	6	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
GEOMATRIX SERVICES INC	General Contractor	5	07/08/2026
CHARAN ELEC'L ENTERP'S IN	Electrical	2	03/22/2026
C.B. MILLS ELECTRIC LLC	Electrical	1	03/22/2026
ACE ELEC'L CONSTRUCTION	Electrical	1	03/22/2026
GEMINI ELECTRIC CO., INC.	Electrical	1	03/22/2026
A & S ELECTRIC INC.	Electrical	1	03/22/2026
JAYSAN CONTRACTING CORP	General Contractor	1	08/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
MUNICIPAL TESTING LABORAT	230	1	03/31/2022

Building Lifecycle

All (90)Filed (6)Permit Issued (4)Violation (60)Objection (14)Special Inspection (6)

08/07/2026

Permit issued — Construction Fence

S01385689-I1-FN

07/10/2026

Objection resolved — Addressed

07/07/2026

Objection raised — Other

07/05/2026

Filed — Alteration

Installation of temporary construction fence in conjunction with S00709127

S01385689-I1

04/15/2026

Objection raised — Other

04/15/2026

Objection resolved — Resolved

04/15/2026

Objection raised — Scope

04/15/2026

Objection resolved — Resolved

03/17/2026

Filed — Alteration

THE SCOPE OF WORK INCLUDES THE INSTALLATION OF NEW SUPPLEMENTAL COOLING SPLIT AC SYSTEM IN BASEMENT KITCHEN.

S01364511-I1

02/25/2026

Violation issued (FDNY_ORDER, closed)

02/25/2026

Violation issued (FDNY_ORDER, closed)

02/25/2026

Violation issued (FDNY_ORDER, closed)

12/18/2025

Violation issued (FDNY_ORDER, closed)

12/18/2025

Violation issued (FDNY_ORDER, closed)

11/07/2025

Violation issued (ECB, open)

Construction

11/07/2025

Violation issued (ECB, open)

Construction

11/07/2025

Violation issued (ECB, open)

Construction

06/25/2025

Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing

STEPHEN LATUS

06/25/2025

Special inspection requirement — Concrete - Cast-In-Place

STEPHEN LATUS

06/25/2025

Special inspection requirement — Final

CLOUD LEE

06/24/2025

Objection resolved — Addressed

06/24/2025

Objection resolved — Addressed

06/12/2025

Objection raised — Other

05/29/2025

Objection raised — Other

05/23/2025

Filed — Alteration

remove and replace pavement, install basketball court, install new fitness units.

S00709127-P1

05/23/2025

Special inspection requirement — Concrete - Cast-In-Place

05/23/2025

Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing

05/23/2025

Special inspection requirement — Final

CLOUD LEE

11/26/2024

Violation issued (FDNY_NOV, closed)

08/09/2024

Violation issued (ECB, closed)

Construction

08/09/2024

Violation issued (ECB, closed)

Construction

08/09/2024

Violation issued (ECB, open)

Construction

08/09/2024

Violation issued (ECB, open)

Construction

12/05/2023

Violation issued (FDNY_NOV, closed)

08/24/2023

Violation issued (FDNY_ORDER, closed)

08/24/2023

Violation issued (FDNY_ORDER, closed)

06/07/2023

Violation issued (ECB, closed)

Construction

06/07/2023

Violation issued (ECB, open)

Construction

03/20/2023

Violation issued (FDNY_NOV, closed)

03/15/2023

Violation issued (ECB, open)

Construction

03/15/2023

Violation issued (ECB, closed)

Construction

10/11/2022

Violation issued (FDNY_NOV, closed)

09/29/2022

Objection raised — Other

09/29/2022

Objection resolved — Addressed

09/26/2022

Filed — Alteration

remove and replace pavement, install basketball court, install new fitness units.

S00709127-S1

04/22/2022

Violation issued (ECB, closed)

Construction

04/14/2022

Objection raised — Other

04/14/2022

Objection resolved — Addressed

03/31/2022

Filed — Alteration

remove and replace pavement, install basketball court, install new fitness units.

S00709127-I1

03/30/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

03/29/2021

Permit issued — Construction Fence

S00277591-I1-FN

08/11/2020

Violation issued (FDNY_NOV, closed)

06/01/2020

Permit issued — Construction Fence

S00277591-I1-FN

05/29/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

04/16/2020

Violation issued (ECB, closed)

Construction

01/30/2020

Permit issued — Construction Fence

S00277591-I1-FN

12/10/2019

Filed — Alteration

S00277591-I1

09/06/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

05/13/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/03/2019

Violation issued (ECB, closed)

Construction

Latest 60 of 90 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Construction Fence	Permit Issued	JAYSAN CONTRACTING CORP	08/07/2026
DOB NOW	Construction Fence	Permit Issued	GEOMATRIX SERVICES	03/29/2021
DOB NOW	Construction Fence	Permit Issued	GEOMATRIX SERVICES	06/01/2020
DOB NOW	Construction Fence	Permit Issued	GEOMATRIX SERVICES	01/30/2020
BIS	OT	ISSUED	VENUS GROUP INC	09/13/2021
BIS	OT	ISSUED	GEOMATRIX SERVICES INC	05/28/2020
BIS	OT	ISSUED	VENUS GROUP INC	07/18/2019
BIS	OT	ISSUED	VENUS GROUP INC	06/07/2019
BIS	PL	ISSUED	FORSYTHE P&H CORP	06/07/2019
BIS	EQ	ISSUED	VENUS GROUP INC	05/06/2019
BIS	MH	ISSUED	THERMO TECH MECHANICAL I*	04/23/2019
BIS	SP	ISSUED	ROBERT PARCHMENT P & H	03/20/2019
BIS	OT	ISSUED	MULTI TECH ELECTRIC CORP	01/25/2019
BIS	OT	ISSUED	BEACON CONSULTING GROUP I	11/16/2016
BIS	MH	ISSUED	U & I MECHANICAL CORP	11/16/2016
BIS	SP	ISSUED	VARSITY PLBG & HTG INC	11/16/2016
BIS	OT	ISSUED	BEACON CONSULTING GROUP I	11/16/2016
BIS	PL	ISSUED	VARSITY PLBG AND HTG INC	11/08/2016
BIS	PL	ISSUED	VARSITY PLBG AND HTG INC	08/06/2015
BIS	SP	ISSUED	VARSITY PLBG & HTG INC	08/06/2015
BIS	OT	ISSUED	VITAL PLUMBING INC	04/10/2015
BIS	OT	ISSUED	VITAL PLUMBING INC	10/21/2014
BIS	PL	ISSUED	VITAL PLUMBING, INC	10/21/2014
BIS	PL	ISSUED	VARSITY PLBG AND HTG INC	04/04/2014
BIS	SP	ISSUED	VARSITY PLBG & HTG INC	04/04/2014
BIS	OT	ISSUED	N.J.D WIRING & ELECTRIC I	01/16/2014
BIS	OT	ISSUED	N.J.D WIRING & ELECTRIC I	01/16/2014
BIS	OT	ISSUED	N.J.D WIRING & ELECTRIC I	03/04/2013
BIS	SP	ISSUED	VARSITY PLBG & HTG INC	03/04/2013
BIS	OT	ISSUED	N.J.D WIRING & ELECTRIC I	03/04/2013
BIS	PL	ISSUED	VARSITY PLBG AND HTG INC	03/04/2013
BIS	MH	ISSUED	TOMCO MECHANICAL CORP	07/08/2009
BIS	OT	ISSUED	TOMCO MECHANICAL CORP	07/08/2009
BIS	MH	ISSUED	FIRST CHOICE MECHANICAL	06/18/2009
BIS	PL	ISSUED	G.V. GLOBAL PLUMBING & HTG	08/14/2008
BIS	PL	ISSUED	A. BERWIND PLUMBING & HEATING	04/19/2006
BIS	OT	ISSUED	HOMERIC CONTRACTING CO INC	04/19/2006
BIS	EQ	ISSUED	HOMERIC CONTRACTING COMPANY INC	01/24/2006
BIS	EQ	ISSUED	HOMERIC CONTRACTING CO INC	01/11/2006
BIS	EQ	ISSUED	HOMERIC CONSTRACTING CO., INC.	01/11/2006

+ 13 more permits on file

1 project · most recent 03/17/2026

Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
03/17/2026	—	—	Air Conditioning Systems	Cooling Lg ZRNU303SRAA 30,000 BTU · Vrf Indoor ×4 ZRNU363TAAA 36,200 BTU · Vrf Indoor ×1 ZRUM036GSS0 36,000 BTU · Vrf Outdoor ×1 ZRUM060GSS0 60,000 BTU · Vrf Outdoor ×1 ZRUM060GSSO 60,000 BTU · Vrf Outdoor ×1

1 project · most recent 05/23/2025

Water/Sanitary

Filed	Status	Contractor	Scope
05/23/2025	—	—	Water/Sanitary

17 projects · most recent 12/12/2025

General Wiring HVAC Wiring

Filed	Status	Contractor	Scope
12/12/2025	Complete	ACE ELEC'L CONSTRUCTION	General Wiring
06/13/2025	Permit Issued	A & S ELECTRIC INC.	General Wiring
02/16/2023	Permit Issued	A & S ELECTRIC INC.	General Wiring
12/01/2022	Complete	CHARAN ELEC'L ENTERP'S IN	—
07/05/2022	Permit Issued	GEMINI ELECTRIC CO., INC.	General Wiring
12/22/2021	Permit Issued	A & S ELECTRIC INC.	General Wiring
08/05/2021	Complete	CHARAN ELEC'L ENTERP'S IN	General Wiring
07/22/2021	Complete	CHARAN ELEC'L ENTERP'S IN	—
05/17/2021	Complete	CHARAN ELEC'L ENTERP'S IN	—
03/31/2021	Permit Issued	A & S ELECTRIC INC.	General Wiring
01/29/2021	Complete	CHARAN ELEC'L ENTERP'S IN	—
01/12/2021	Permit Issued	GEMINI ELECTRIC CO., INC.	General Wiring
08/04/2019	Complete	C.B. MILLS ELECTRIC LLC	General Wiring
05/22/2019	Complete	BZ ELECTRIC, INC	HVAC Wiring
01/18/2019	Permit Issued	A & S ELECTRIC INC.	General Wiring

1 project · most recent 07/05/2026

Filed	Status	Contractor	Scope
07/05/2026	Permit Issued	JAYSAN CONTRACTING CORP	1 scope_items

1 project · most recent 07/05/2026

Fence

Filed	Status	Contractor	Scope
07/05/2026	Permit Issued	JAYSAN CONTRACTING CORP	Fence

▾Special Inspection Requirements (DOB NOW) — 6

Date	Requirement	Inspector	Role
06/25/2025	Excavations - Sheeting, Shoring, and Bracing	STEPHEN LATUS	special
06/25/2025	Concrete - Cast-In-Place	STEPHEN LATUS	special
06/25/2025	Final	CLOUD LEE	progress
05/23/2025	Concrete - Cast-In-Place	—	special
05/23/2025	Excavations - Sheeting, Shoring, and Bracing	—	special
05/23/2025	Final	CLOUD LEE	progress

▾Documents — 45 on file (BIS + DOB NOW)

▸Plans & Drawings6

▸DOB NOWPlans/Sketch5

08/24/2026S00709127-P1Request digital key ↗

08/17/2026S01364511-I1Request digital key ↗

08/15/2026S00709127-S1Request digital key ↗

Showing 3 of 5 on file for this type

▸DOB NOWPlans/Sketch - Construction Fence1

08/26/2026S00277591-I1Request digital key ↗

▸Applications & Permits1

▸BISPLAN / WORK APPROVAL APPLICATION1

05/15/2018540148071Open ↗

▸Seals & Professional Certifications12

▸DOB NOWDPL-1: Design Professional Seal & Signature6

08/26/2026S00277591-I1Open ↗

08/24/2026S00709127-P1Open ↗

08/24/2026S00709127-I1Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWProgress Inspector Seal & Signature2

09/01/2026S00709127-P1Open ↗

08/28/2026S00709127-I1Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1

05/15/2018540148071Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT1

05/15/2018540148071Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

05/15/2018540148071Open ↗

▸DOB NOWSpecial Inspector Seal & Signature1

08/28/2026S00709127-I1Open ↗

▸Trade Schedules & Equipment1

▸BISFA - FDNY APPROVAL : FD-FAA1

08/20/2021500873227Open ↗

▸Safety & Tenant Protection2

▸DOB NOWNYCSCA - Approved Site Safety Plans2

08/15/2026S01385689-I1Open ↗

08/13/2026S00277591-I1Open ↗

▸Environmental & Asbestos2

▸BISASBESTOS: CERTIFICATION (DEP ACP5)1

05/15/2018540148071Open ↗

▸DOB NOWDEP ACP-5: Asbestos Assessment Report1

08/17/2026S01364511-I1Open ↗

▸Energy Compliance2

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1

05/15/2018540148071Open ↗

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1

05/15/2018540148071Open ↗

▸Inspections & Test Reports1

▸BISTECHNICAL REPORT: RESPONSIBILITY1

05/15/2018540148071Open ↗

▸Approvals, Objections & Sign-offs11

▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter6

08/26/2026S00277591-I1Open ↗

08/15/2026S01385689-I1Open ↗

08/13/2026S00709127-S1Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWDesign Commission Approval City Owned (Exterior Work)5

08/15/2026S01385689-I1Open ↗

08/13/2026S00709127-S1Open ↗

08/13/2026S00709127-P1Open ↗

Showing 3 of 5 on file for this type

▸Cost, Insurance & Ownership1

▸BISCOST AFFIDAVIT1

05/15/2018540148071Open ↗

▸Filing & Intake Forms1

▸BISEFILING JOB APPLICATION COVER SHEET1

05/15/2018540148071Open ↗

▸Other Documents5

▸DOB NOWNYCSCA - BCC Plan Examination Transmittal5

08/15/2026S01385689-I1Open ↗

08/13/2026S00277591-I1Open ↗

08/13/2026S00709127-I1Open ↗

Showing 3 of 5 on file for this type