Elevator cooperative

401 8TH AVENUE

BROOKLYN · Park Slope · BIN 3025530

💬 Discuss this project

1922Year Built

6Stories

D4Building Class

R7BZoning

49,188 sfGross Floor Area

31Units

LL97 CoveredRent Stabilized6 Active Violations ▸FDNY Report ↗

Elevator cooperative · Owner of record: 401 8th Avenue Tenants · 11,785 sf lot · 4.17 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralPlumbing

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

Floor 61p · 1 filing · 3 docs

Floor 51p · 1 filing · 5 docs

Floor 41 filing · 3 docs

Floor 3Plumbing and Electrical Work3p · 4 filings · 16 docs

Floor 25p · 1 filing · 10 docs

Floor 1Construction and alteration with demolition3p · 1 filing · 4 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
401 8th Avenue Tenants	47	03/22/2026
Lido Realty	9	03/21/2026
Expert Enterprises	5	03/21/2026
401_8TH Avenue	1	03/21/2026
Masterclassing	1	03/21/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
Serman Engineering	3	07/23/2024
Josh Manes Architecture	2	06/13/2023
Wake Design Architecture	1	10/22/2021
Eric Worcester Architect	3	03/22/2021

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
Richard Wainer Architect	2	03/21/2026
Big Orange Expediting	2	03/21/2026
Custodio Consulting	4	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
TMS Plumbing & Heating	Plumbing	5	07/08/2026
J.A.J. Contracting	General Contractor	4	07/08/2026
The Line Construction	General Contractor	3	03/21/2026
United Construction and Design	General Contractor	3	03/21/2026
EH Plumbing & Heating	Plumbing	2	07/08/2026
Power Surge Electric	Electrical	1	03/21/2026
R & L Systems	Electrical	1	03/21/2026
Syed-Naqvi Altaf	Electrical	1	03/21/2026
L&J PLG & Heating Co of NY	Plumbing	1	07/08/2026
Alson Electrical Contracting	Electrical	1	03/21/2026
WK Renovation	General Contractor	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
Serman Engineering	4685	3	07/23/2024
Gregory V. Perotto, P.E	947	1	10/22/2021
Eric Worcester Architect	2396	2	03/17/2021

Building Lifecycle

All (94)Filed (9)Permit Issued (14)Signed Off (8)Violation (57)Inspection (4)Special Inspection (2)

05/30/2025

Signed off — Alteration

B00190054-I1

04/07/2025

Permit issued — Plumbing

B00190054-I1-PL

08/13/2024

Signed off — Alteration

B01079438-I1

08/05/2024

Permit issued — Structural

B01079438-I1-ST

07/23/2024

Filed — Alteration

B01079438-I1

12/04/2023

Signed off — Alteration

REPAIR AND REINFORCEMENT OF THE EXISTING FLOOR FRAMING AT THE 5TH FLOOR IN APT 52 IN THE BATHROOM AREAS. NO CHANGE TO USE, EGRESS OR OCCUPANCY IS INVOLVED.

B08041180-I1

06/13/2023

Filed — Alteration

B00190054-P1

05/03/2023

Violation issued (HPD, open)

05/03/2023

Violation issued (HPD, open)

05/03/2023

Violation issued (HPD, open)

05/03/2023

Violation issued (HPD, open)

05/03/2023

Violation issued (HPD, open)

05/03/2023

Violation issued (HPD, open)

04/29/2023

Violation issued (HPD, closed)

04/29/2023

Violation issued (HPD, closed)

01/23/2023

Permit issued — Structural

B08041180-I1-ST

01/17/2023

Permit issued — Plumbing

B00190054-I1-PL

01/04/2023

Filed — Alteration

REPAIR AND REINFORCEMENT OF THE EXISTING FLOOR FRAMING AT THE 5TH FLOOR IN APT 52 IN THE BATHROOM AREAS. NO CHANGE TO USE, EGRESS OR OCCUPANCY IS INVOLVED.

B08041180-I1

11/16/2022

Special inspection requirement — Structural Stability – Alterations of existing buildings

CHAD SERMAN

11/16/2022

Special inspection requirement — Final

CHAD SERMAN

06/29/2022

Signed off — Alteration

B00480798-I1

06/22/2022

Signed off — Alteration

B00484353-I1

06/16/2022

Permit issued — General Construction

B00484353-I1-GC

06/07/2022

Signed off — Alteration

B00609844-I1

05/26/2022

Signed off — Alteration

B00313665-I1

05/07/2022

Inspection — Pass-Final PL - Up to 3 Requested Floors

Pass

View inspection ↗

04/11/2022

Permit issued — General Construction

B00609844-I1-GC

04/06/2022

Inspection — Fail-Final PL - Up to 3 Requested Floors

Fail

View inspection ↗

02/15/2022

Permit issued — Plumbing

B00190054-I1-PL

11/15/2021

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

Certified

View inspection ↗

11/03/2021

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

Certified

View inspection ↗

10/26/2021

Signed off — Alteration

B00586926-I1

10/25/2021

Permit issued — Plumbing

B00480798-I1-PL

10/22/2021

Filed — Alteration

B00609844-I1

09/29/2021

Permit issued — Structural

B00586926-I1-ST

09/14/2021

Filed — Alteration

B00586926-I1

07/15/2021

Violation issued (ECB, closed)

Elevators

05/13/2021

Permit issued — Plumbing

B00480798-I1-PL

04/29/2021

Permit issued — General Construction

B00484353-I1-GC

03/22/2021

Filed — Alteration

B00480798-I1

03/17/2021

Filed — Alteration

B00484353-I1

02/08/2021

Permit issued — Plumbing

B00190054-I1-PL

06/29/2020

Permit issued — Plumbing

B00313665-I1-PL

04/01/2020

Filed — Alteration

B00313665-I1

12/06/2019

Violation issued (HPD, closed)

12/06/2019

Violation issued (HPD, closed)

12/06/2019

Violation issued (HPD, closed)

12/06/2019

Violation issued (HPD, closed)

12/06/2019

Violation issued (HPD, closed)

12/06/2019

Violation issued (HPD, closed)

12/06/2019

Violation issued (HPD, closed)

12/06/2019

Violation issued (HPD, closed)

12/04/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

09/06/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

09/04/2019

Permit issued — Plumbing

B00190054-I1-PL

07/23/2019

Filed — Alteration

B00190054-I1

12/07/2017

Violation issued (HPD, closed)

12/07/2017

Violation issued (HPD, closed)

01/12/2017

Violation issued (HPD, closed)

01/12/2017

Violation issued (HPD, closed)

Latest 60 of 94 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Signed-off	TMS Plumbing & Heating	04/07/2025
DOB NOW	Structural	Signed-off	The Line Construction	08/05/2024
DOB NOW	Structural	Signed-off	United Construction and	01/23/2023
DOB NOW	Plumbing	Signed-off	TMS Plumbing & Heating	01/17/2023
DOB NOW	General Construction	Signed-off	J.A.J. Contracting	06/16/2022
DOB NOW	General Construction	Signed-off	WK Renovation	04/11/2022
DOB NOW	Plumbing	Signed-off	TMS Plumbing & Heating	02/15/2022
DOB NOW	Plumbing	Signed-off	EH Plumbing & Heating	10/25/2021
DOB NOW	Structural	Signed-off	J.A.J. Contracting	09/29/2021
DOB NOW	Plumbing	Signed-off	EH Plumbing & Heating	05/13/2021
DOB NOW	General Construction	Signed-off	J.A.J. Contracting	04/29/2021
DOB NOW	Plumbing	Signed-off	TMS Plumbing & Heating	02/08/2021
DOB NOW	Plumbing	Signed-off	L&J PLG & Heating Co of NY	06/29/2020
DOB NOW	Plumbing	Signed-off	TMS Plumbing & Heating	09/04/2019
BIS	OT	ISSUED	Nichibi Organization	09/28/2020
BIS	OT	ISSUED	Nichibi Organization	06/13/2020
BIS	OT	ISSUED	KBRNY	04/03/2020
BIS	OT	ISSUED	KBRNY	08/17/2019
BIS	OT	ISSUED	Deco Building Group	11/14/2018
BIS	OT	ISSUED	Deco Building Group	11/13/2018
BIS	PL	ISSUED	RRP Plumbing	08/31/2018
BIS	OT	ISSUED	Deco Building Group	08/08/2018
BIS	PL	ISSUED	A.M.N	10/02/2017
BIS	OT	ISSUED	Poler Contracting	09/13/2017
BIS	PL	ISSUED	Orbit Plumbing & Heating	07/21/2017
BIS	OT	ISSUED	Harper Design Builders	07/21/2017
BIS	OT	ISSUED	Rissat Construction	01/31/2017
BIS	PL	ISSUED	Orbit Plumbing & Heating	08/03/2016
BIS	OT	ISSUED	Harper Design Builders	08/02/2016
BIS	MH	ISSUED	Wai Kee Construction	10/09/2015
BIS	OT	ISSUED	Wai Kee Construction	10/09/2015
BIS	OT	ISSUED	Commercial Building and R	05/21/2015
BIS	OT	ISSUED	Commercial Building and R	10/15/2014
BIS	OT	ISSUED	Wai Kee Construction	07/31/2014
BIS	PL	ISSUED	Flytiger P & H	07/22/2014
BIS	OT	ISSUED	Wai Kee Construction	07/11/2014
BIS	OT	ISSUED	Baker Design Build	12/30/2013
BIS	OT	ISSUED	HNS Construction	10/03/2013
BIS	OT	ISSUED	Wing Lee Contractor	08/05/2013
BIS	PL	ISSUED	Dyckman Plumbing and Heating	07/26/2013

+ 24 more permits on file

7 projects · most recent 02/04/2026

General Wiring

Filed	Status	Contractor	Scope
02/04/2026	Complete	Valentis Electric	General Wiring
10/07/2025	Complete	Ascuatech Electrical	—
05/05/2025	Permit Issued	Denali Electric	—
05/04/2022	Complete	Belmont Electrical	General Wiring
07/07/2020	Complete	R & T Electrical	General Wiring
01/16/2020	Complete	HI-Rite Electric	General Wiring
09/06/2019	Complete	Gsa Electric	General Wiring

▾Field Inspections (DOB CAP) — 4

Date	Type	Result	Report
05/07/2022	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
04/06/2022	Fail-Final PL - Up to 3 Requested Floors	Fail	View ↗
11/15/2021	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
11/03/2021	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 2

Date	Requirement	Inspector	Role
11/16/2022	Structural Stability – Alterations of existing buildings	CHAD SERMAN	special
11/16/2022	Final	CHAD SERMAN	progress

▾Documents — 397 on file (BIS + DOB NOW)

▸Plans & Drawings9

▸DOB NOWPlans/Sketch6

09/01/2026B00484353-I1Request digital key ↗

09/01/2026B00480798-I1Request digital key ↗

09/01/2026B00586926-I1Request digital key ↗

Showing 3 of 6 on file for this type

▸DOB NOWPlans/Sketch - Plumbing3

09/02/2026B00190054-I1Request digital key ↗

09/02/2026B00313665-I1Request digital key ↗

08/15/2026B00190054-P1Request digital key ↗

▸Applications & Permits74

▸BISPLAN / WORK APPROVAL APPLICATION36

01/04/2024301754340Open ↗

09/21/2023301754340Open ↗

09/12/2023301754340Open ↗

Showing 3 of 36 on file for this type

▸BISWORK PERMIT APPLICATION33

09/28/2020340765639Open ↗

06/13/2020322028355Open ↗

04/06/2020340687901Open ↗

Showing 3 of 33 on file for this type

▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION3

11/20/2017321637065Open ↗

06/13/2017321304593Open ↗

01/27/2016321120032Open ↗

▸DOB NOWState DEC Permit2

08/13/2026B00190054-P1Open ↗

08/13/2026B00190054-I1Open ↗

▸Seals & Professional Certifications75

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION40

01/15/2020322028355Open ↗

08/09/2019320822213Open ↗

06/28/2019320822213Open ↗

Showing 3 of 40 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature9

09/01/2026B00484353-I1Open ↗

09/01/2026B00480798-I1Open ↗

09/01/2026B00586926-I1Open ↗

Showing 3 of 9 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT6

09/15/2020340765639Open ↗

11/15/2018321074528Open ↗

08/24/2017321637065Open ↗

Showing 3 of 6 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST6

11/15/2018321074528Open ↗

08/24/2017321637065Open ↗

01/11/2017321253291Open ↗

Showing 3 of 6 on file for this type

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY4

03/08/2021340806701Open ↗

09/15/2020340765639Open ↗

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▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION3

09/15/2020340765639Open ↗

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▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM2

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

Showing 0 of 2 on file for this type

▸BISAPPLICANT OWNER SIGNATURE2

03/08/2021340806701Open ↗

07/25/2019340687901Open ↗

▸BISProfessional and Owner Certification (POC3)1

01/11/2017321253291Open ↗

▸DOB NOWSpecial Inspector Seal & Signature1

08/28/2026B08041180-I1Open ↗

▸DOB NOWProgress Inspector Seal & Signature1

08/28/2026B08041180-I1Open ↗

▸Trade Schedules & Equipment24

▸BISSELF-CERT PLUMBING NOTICE9

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

Showing 0 of 9 on file for this type

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE8

08/02/2018321806774Open ↗

11/22/2017321637065Open ↗

08/24/2017321637065Open ↗

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▸BISSCHEDULE B - PLUMBING6

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

Showing 0 of 6 on file for this type

▸BISEQUIPMENT USE APPLICATION/PERMIT1

08/09/2016321120032Open ↗

▸Safety & Tenant Protection14

▸BISTenant Protection Plan and Notes8

03/13/2020322028355Open ↗

07/25/2019340687901Open ↗

11/15/2018321074528Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWTenant Protection Plan3

08/13/2026B00190054-P1Open ↗

08/13/2026B00313665-I1Open ↗

08/13/2026B00190054-I1Open ↗

▸BISSTREET TREE CHECKLIST2

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

Showing 0 of 2 on file for this type

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

01/11/2017321253291Open ↗

▸Environmental & Asbestos26

▸BISASBESTOS: CERTIFICATION (DEP ACP5)11

09/15/2020340765639Open ↗

06/13/2020322028355Open ↗

07/25/2019340687901Open ↗

Showing 3 of 11 on file for this type

▸DOB NOWDEP ACP-5: Asbestos Assessment Report6

08/31/2026B00609844-I1Open ↗

08/24/2026B01079438-I1Open ↗

08/13/2026B00313665-I1Open ↗

Showing 3 of 6 on file for this type

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'5

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

Showing 0 of 5 on file for this type

▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form3

09/01/2026B00484353-I1Open ↗

09/01/2026B00480798-I1Open ↗

09/01/2026B00586926-I1Open ↗

▸BISASBESTOS: COMPLETION OR CLOSEOUT (ACP20/21/5)1

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

Showing 0 of 1 on file for this type

▸Energy Compliance47

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS17

01/15/2020322028355Open ↗

06/28/2019320822213Open ↗

Showing 3 of 17 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS12

05/26/2022322028355Open ↗

02/01/2022322028355Open ↗

09/28/2021321074528Open ↗

Showing 3 of 12 on file for this type

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY7

01/19/2024340687901Open ↗

06/07/2023340687901Open ↗

05/26/2022322028355Open ↗

Showing 3 of 7 on file for this type

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS3

03/08/2021340806701Open ↗

09/15/2020340765639Open ↗

Showing 2 of 3 on file for this type

▸DOB NOWEN2: As Built Energy Analysis.3

08/13/2026B00484353-I1Open ↗

08/13/2026B00480798-I1Open ↗

08/13/2026B00609844-I1Open ↗

▸BISAS-BUILT ENERGY ANALYSIS (EN2)1

06/07/2023340687901Open ↗

▸BISLIGHTING IN DWELLING UNITS1

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

Showing 0 of 1 on file for this type

▸BISTR8: Energy Code Progress Inspections1

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

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▸BISTECHNICAL REPORT: ENERGY1

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

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▸BISNYCECC ANALYSIS1

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

Showing 0 of 1 on file for this type

▸Inspections & Test Reports14

▸BISTECHNICAL REPORT: RESPONSIBILITY13

01/19/2024340687901Open ↗

06/07/2023340687901Open ↗

05/26/2022322028355Open ↗

Showing 3 of 13 on file for this type

▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER1

06/04/2019321806774Open ↗

▸Approvals, Objections & Sign-offs34

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST20

06/03/2025340687901Open ↗

11/02/2022322028355Open ↗

10/14/2021321074528Open ↗

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▸BISADMINISTRATIVE OBJECTIONS9

08/24/2017321637065Open ↗

06/28/2016321304593Open ↗

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▸BISLETTERS - SUPPORTING DOCUMENTATION5

06/03/2025340687901Open ↗

09/23/2022322028355Open ↗

05/31/2022322028355Open ↗

Showing 3 of 5 on file for this type

▸Cost, Insurance & Ownership35

▸BISCOST AFFIDAVIT34

05/26/2022322028355Open ↗

02/01/2022322028355Open ↗

09/28/2021321074528Open ↗

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▸BISCOST AFFIDAVIT (FINAL): PW31

07/10/2023340687901Open ↗

▸Filing & Intake Forms42

▸BISEFILING COVER SHEET16

01/15/2020322028355Open ↗

11/15/2018321074528Open ↗

08/02/2018321806774Open ↗

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▸BISADDITIONAL INFORMATION13

09/02/2022322028355Open ↗

10/16/2020321806774Open ↗

08/07/2019340687901Open ↗

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▸BISBOROUGH INTAKE FORM8

04/02/2020321806774Open ↗

03/16/2020321806774Open ↗

09/14/2019320822213Open ↗

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▸BISEFILING JOB APPLICATION COVER SHEET5

03/08/2021340806701Open ↗

09/15/2020340765639Open ↗

07/25/2019340687901Open ↗

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▸Other Documents3

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1

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

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▸BISDHCR DOCUMENT1

09/28/2021321074528Open ↗

▸DOB NOWDHCR Document1

08/13/2026B00313665-I1Open ↗