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Public elementary, junior or senior high
P.S. 81 Robert J. Christen
5500 RIVERDALE AVENUE · BIN 2084806
💬 Discuss this project
1935Year Built
2Stories
W1Building Class
R4Zoning
—Gross Floor Area
1Units
7 Open Violations 2 unresolved · 5 paperwork only ▸
Public elementary, junior or senior high · Owner of record: NYC DEPARTMENT OF EDUCATION · 0.48 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
NY SCHOOL CONSTRUCTION AUTHORITY1003/21/2026
SCHOOL CONSTRUCTION AUTHORITY703/21/2026
NYC SCHOOL CONST AUTHORITY603/21/2026
NYC SCHOOL CONSTRUCTION AUTHORIT603/21/2026
NYC DEPARTMENT OF EDUCATION203/22/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ANA DIAZElectrical403/21/2026
ANCO ELECTL CONTCTNG INCElectrical103/22/2026
CHARAN ELEC'L ENTERP'S INElectrical103/22/2026
JEAN ABELLARDElectrical103/21/2026
JOSEPH SEGRETIElectrical103/21/2026
MICHAEL NAVARRETEElectrical103/21/2026
NAIR ELECTRIC CORPElectrical103/22/2026
SEGRETI JOSEPHElectrical103/21/2026
Building Lifecycle
All (60)Violation (60)
04/09/2026
Violation issued (ECB, open)
Construction
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/14/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
04/09/2025
Violation issued (ECB, open)
Construction
04/09/2025
Violation issued (ECB, open)
Construction
04/22/2024
Violation issued (ECB, closed)
Construction
04/22/2024
Violation issued (ECB, closed)
Construction
04/22/2024
Violation issued (ECB, open)
Construction
04/22/2024
Violation issued (ECB, open)
Construction
06/16/2023
Violation issued (ECB, closed)
Construction
06/16/2023
Violation issued (ECB, closed)
Construction
06/16/2023
Violation issued (ECB, closed)
Construction
03/21/2022
Violation issued (ECB, closed)
Construction
02/24/2022
Violation issued (ECB, closed)
Construction
02/24/2022
Violation issued (ECB, closed)
Construction
01/25/2022
Violation issued (ECB, closed)
Construction
03/09/2021
Violation issued (ECB, closed)
Construction
03/31/2020
Violation issued (ECB, closed)
Construction
03/31/2020
Violation issued (ECB, closed)
Unknown
03/04/2020
Violation issued (ECB, closed)
Construction
03/04/2020
Violation issued (ECB, closed)
Construction
02/04/2019
Violation issued (ECB, closed)
Construction
01/25/2018
Violation issued (ECB, closed)
Construction
04/08/2016
Violation issued (ECB, closed)
Construction
04/08/2016
Violation issued (ECB, closed)
Construction
04/08/2016
Violation issued (ECB, closed)
Construction
07/17/2015
Violation issued (ECB, closed)
Construction
07/17/2015
Violation issued (ECB, closed)
Construction
07/17/2015
Violation issued (ECB, closed)
Construction
07/17/2015
Violation issued (ECB, closed)
Construction
07/17/2015
Violation issued (ECB, closed)
Construction
07/15/2014
Violation issued (ECB, closed)
Construction
07/15/2014
Violation issued (ECB, closed)
Construction
07/15/2014
Violation issued (ECB, closed)
Construction
07/15/2014
Violation issued (ECB, closed)
Construction
07/15/2014
Violation issued (ECB, closed)
Construction
07/15/2014
Violation issued (ECB, closed)
Construction
07/15/2014
Violation issued (ECB, closed)
Construction
07/15/2014
Violation issued (ECB, closed)
Construction
07/15/2014
Violation issued (ECB, closed)
Construction
04/04/2013
Violation issued (ECB, closed)
Construction
04/04/2013
Violation issued (ECB, closed)
Unknown
04/04/2013
Violation issued (ECB, closed)
Construction
06/27/2012
Violation issued (ECB, closed)
Construction
08/03/2011
Violation issued (ECB, closed)
Construction
08/03/2011
Violation issued (ECB, closed)
Construction
07/08/2010
Violation issued (ECB, closed)
Construction
07/08/2010
Violation issued (ECB, closed)
Construction
07/08/2010
Violation issued (ECB, closed)
Construction
07/08/2010
Violation issued (ECB, closed)
Construction
03/18/2009
Violation issued (ECB, closed)
Construction
03/18/2009
Violation issued (ECB, closed)
Construction
03/18/2009
Violation issued (ECB, closed)
Construction
03/18/2009
Violation issued (ECB, closed)
Construction
01/01/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/01/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/30/2008
Violation issued (ECB, closed)
Construction
05/30/2008
Violation issued (ECB, closed)
Construction
05/30/2008
Violation issued (ECB, closed)
Construction
05/30/2008
Violation issued (ECB, closed)
Construction
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
BISOTISSUEDLO SARDO GENERAL CONTRACTORS07/25/2025
BISPLISSUEDLEVIATHAN MECHANICAL CORP07/25/2025
BISOTISSUEDLO SARDO GENERAL CONTRACTORS07/25/2025
BISOTISSUEDLO SARDO GENERAL CONTRACTORS07/25/2025
BISOTISSUEDLO SARDO GENERAL CONTRACTORS07/25/2025
BISOTISSUEDLO SARDO GENERAL CONTRACTORS10/26/2023
BISOTISSUEDLO SARDO GENERAL CONTRACTORS10/26/2023
BISOTISSUEDLO SARDO GENERAL CONTRACTORS10/25/2023
BISOTISSUEDLO SARDO GENERAL CONTRACTORS10/25/2023
BISOTISSUEDLO SARDO GENERAL CONTRACTORS10/25/2023
BISPLISSUEDFORSYTHE P&H CORP04/24/2023
BISOTISSUEDADAM'S EUROPEAN CONTRACTING03/16/2023
BISPLISSUEDLEVIATHAN MECHANICAL CORP03/08/2023
BISOTISSUEDLO SARDO GENERAL CONTRACTORS10/04/2022
BISOTISSUEDLO SARDO GENERAL CONTRACTORS09/27/2022
BISOTISSUEDLO SARDO GENERAL CONTRACTORS09/27/2022
BISOTISSUEDLO SARDO GENERAL CONTRACTORS09/27/2022
BISOTISSUEDADAM'S EUROPEAN CONTRACTING03/28/2022
BISMHISSUEDNAMRON, INC03/10/2022
BISPLISSUEDLEVIATHAN MECHANICAL CORP01/12/2022
BISPLISSUEDFORSYTHE P&H CORP12/03/2021
BISEQISSUEDLO SARDO GENERAL CONTRACTORS11/18/2021
BISEQISSUEDLO SARDO GENERAL CONTRACTORS11/18/2021
BISOTISSUEDLO SARDO GENERAL CONTRACTORS09/24/2021
BISOTISSUEDLO SARDO GENERAL CONTRACTORS09/24/2021
BISOTISSUEDLO SARDO GENERAL CONTRACTORS09/24/2021
BISOTISSUEDLO SARDO GENERAL CONTRACTORS09/24/2021
BISOTISSUEDADAM'S EUROPEAN CONTRACTING03/16/2021
BISOTISSUEDLO SARDO GENERAL CONTRACTORS12/29/2020
BISPLISSUEDLEVIATHAN MECHANICAL CORP12/28/2020
BISEQISSUEDLO SARDO GENERAL CONTRACTORS12/02/2020
BISEQISSUEDLO SARDO GENERAL CONTRACTORS12/02/2020
BISEQISSUEDLO SARDO GENERAL CONTRACTORS11/30/2020
BISOTISSUEDLO SARDO GENERAL CONTRACTORS11/09/2020
BISEQISSUEDLO SARDO GENERAL CONTRACTORS11/09/2020
BISOTISSUEDLO SARDO GENERAL CONTRACTORS11/09/2020
BISOTISSUEDLO SARDO GENERAL CONTRACTORS11/06/2020
BISOTISSUEDADAM'S EUROPEAN CONTRACTING03/19/2020
BISPLISSUEDLEVIATHAN MECHANICAL CORP01/07/2020
BISOTISSUEDLO SARDO GENERAL CONTRACTORS01/07/2020
+ 10 more permits on file
14 projects · most recent 10/21/2025
General Wiring
FiledStatusContractorScope
10/21/2025CompleteDIAZ ELECTRIC OF NEW YORKGeneral Wiring
07/24/2025CompleteANCO ELECTL CONTCTNG INC—
03/19/2024CompleteANCO ELECTL CONTCTNG INC—
11/13/2023CompleteANCO ELECTL CONTCTNG INC—
09/25/2023CompleteANCO ELECTL CONTCTNG INC—
08/16/2022Permit IssuedLIU ELECTRIC, LLCGeneral Wiring
07/22/2021CompleteNAIR ELECTRIC CORPGeneral Wiring
12/04/2019CompleteSELECTRIC ELECL CONT CO I—
12/04/2019CompleteSELECTRIC ELECL CONT CO I—
12/02/2019CompleteCHARAN ELEC'L ENTERP'S IN—
11/25/2019CompleteSELECTRIC ELECL CONT CO I—
09/19/2019CompleteCHARAN ELEC'L ENTERP'S IN—
02/06/2019CompleteCHARAN ELEC'L ENTERP'S IN—
01/05/2018CompleteCHARAN ELEC'L ENTERP'S INGeneral Wiring
Nothing on file for this building.
Nothing on file for this building.