Three families

324 JEFFERSON AVENUE

BROOKLYN · BIN 3052368

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1887Year Built

3Stories

C0Building Class

R6BZoning

—Gross Floor Area

3Units

1 Open Violation ▸FDNY Report ↗

Three families · 1.68 FAR built · Flood zone X

Locations of Work

No floor-level scope or drawing coverage on file for this building.

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
TOM PETERSEN ARCHITECT, LLC	1	06/11/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
NYS ESSENTIAL POWER INC	General Contractor	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
THOMAS PETERSEN ARCHITECT	7854	1	06/11/2026

Building Lifecycle

All (8)Filed (1)Permit Issued (1)Signed Off (1)Violation (2)Special Inspection (3)

07/08/2026

Signed off — Alteration

Installation of PV System on existing rooftop. No changes to Egress or use of occupancy.

B01323139-I1

06/16/2026

Permit issued — Solar

B01323139-I1-SL

06/11/2026

Filed — Alteration

Installation of PV System on existing rooftop. No changes to Egress or use of occupancy.

B01323139-I1

03/03/2026

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

11/21/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

TOM PETERSEN

11/21/2025

Special inspection requirement — Energy Code Compliance Inspections

TOM PETERSEN

11/21/2025

Special inspection requirement — Final

TOM PETERSEN

05/05/2010

Violation issued (ECB, closed)

Construction

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Solar	Signed-off	NYS ESSENTIAL POWER INC	06/16/2026
BIS	MH	ISSUED	AIR TECH COOLING INC	01/24/2011
BIS	PL	ISSUED	A.M.N. CORPORATION	03/19/2010
BIS	OT	ISSUED	AJ GREENWICH CONTRACTING	03/10/2010

1 project · most recent 11/10/2025

Filed	Status	Contractor	Scope
11/10/2025	Complete	AMBER ELECTL CONTNG INC	—

1 project · most recent 06/11/2026

Filed	Status	Contractor	Scope
06/11/2026	Signed-off	NYS ESSENTIAL POWER INC	20 panels, 8.5 kw, 696 roof_area_sqft

▾Special Inspection Requirements (DOB NOW) — 3

Date	Requirement	Inspector	Role
11/21/2025	Fire-Resistant Penetrations and Joints	TOM PETERSEN	special
11/21/2025	Energy Code Compliance Inspections	TOM PETERSEN	progress
11/21/2025	Final	TOM PETERSEN	progress

▾Documents — 47 on file (BIS + DOB NOW)

▸Plans & Drawings1

▸DOB NOWPlans/Sketch1

08/16/2026B01323139-I1Request digital key ↗

▸Applications & Permits9

▸BISPLAN / WORK APPROVAL APPLICATION4

11/01/2010320090076Open ↗

08/12/2010320090076Open ↗

10/27/2009320090076Open ↗

Showing 3 of 4 on file for this type

▸BISWORK PERMIT APPLICATION4

01/26/2011320090076Open ↗

03/19/2010320090076Open ↗

03/11/2010320090076Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWLPC Approval/Permit1

08/16/2026B01323139-I1Open ↗

▸Seals & Professional Certifications10

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4

12/24/2012320090076Open ↗

12/24/2012320084902Open ↗

01/11/2011320084902Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWProgress Inspector Seal & Signature2

09/01/2026B01323139-I1Open ↗

▸BISPROFESSIONAL CERTIFIED CHECKLIST1

10/08/2009320084902Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1

10/08/2009320084902Open ↗

▸DOB NOWDPL-1: Design Professional Seal & Signature1

08/16/2026B01323139-I1Open ↗

▸DOB NOWSpecial Inspector Seal & Signature1

09/01/2026B01323139-I1Open ↗

▸Trade Schedules & Equipment9

▸BISSELF-CERT PLUMBING NOTICE6

12/08/2010320090076Open ↗

12/06/2010320090076Open ↗

11/24/2010320090076Open ↗

Showing 3 of 6 on file for this type

▸BISSCHEDULE B - PLUMBING3

11/01/2010320090076Open ↗

08/12/2010320090076Open ↗

10/27/2009320090076Open ↗

▸Safety & Tenant Protection2

▸BISSTREET TREE CHECKLIST2

10/27/2009320090076Open ↗

10/08/2009320084902Open ↗

▸Environmental & Asbestos3

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'2

10/27/2009320090076Open ↗

10/08/2009320084902Open ↗

▸DOB NOWDEP ACP-5: Asbestos Assessment Report1

08/16/2026B01323139-I1Open ↗

▸Energy Compliance1

▸BISTR8: Energy Code Progress Inspections1

12/24/2012320090076Open ↗

▸Approvals, Objections & Sign-offs6

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST3

01/11/2013320090076Open ↗

12/24/2012320090076Open ↗

12/24/2012320084902Open ↗

▸BISADMINISTRATIVE OBJECTIONS2

10/27/2009320090076Open ↗

10/08/2009320084902Open ↗

▸DOB NOWUtility Company Final Acceptance Letter1

08/16/2026B01323139-I1Open ↗

▸Cost, Insurance & Ownership4

▸BISCOST AFFIDAVIT4

12/24/2012320090076Open ↗

12/24/2012320084902Open ↗

10/27/2009320090076Open ↗

Showing 3 of 4 on file for this type

▸Filing & Intake Forms2

▸BISEFILING COVER SHEET2

10/27/2009320090076Open ↗

10/08/2009320084902Open ↗