Walk-up cooperative

317 3 STREET

BROOKLYN · Park Slope · BIN 3020918

💬 Discuss this project

1920Year Built

4Stories

C6Building Class

R6BZoning

8,132 sfGross Floor Area

13Units

Rent Stabilized1 Open Violation ▸FDNY Report ↗

Walk-up cooperative · Owner of record: 317 THIRD STREET HOUSING CORPORATION · 2,533 sf lot · 3.21 FAR built · Flood zone X

Locations of Work

ArchitectureMechanical

Roof3p · 1 filing · 11 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
317 THIRD STREET HOUSING	2	03/22/2026
317 3RD STREET HOUSING CORP	1	03/21/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
KIT MIDDLETON ARCHITECT P.C.	1	02/21/2023

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
KIT MIDDLETON ARCHITECT P C	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
ONE WORLD BUILDERS LLC	General Contractor	4	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
RYAN SPECIAL ENGINEERING	2018	1	02/21/2023

Building Lifecycle

All (29)Filed (1)Permit Issued (2)Signed Off (1)Violation (13)Objection (4)Special Inspection (8)

11/26/2024

Violation issued (HPD, closed)

04/03/2024

Violation issued (HPD, closed)

09/14/2023

Signed off — Alteration

INSTALLATION OF TWO SKYLIGHTS AT THE ROOF LEVEL ABOVE APARTMENT 4A.

B00816884-I1

06/30/2023

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

04/11/2023

Permit issued — General Construction

B00816884-I1-GC

03/24/2023

Permit issued — General Construction

B00816884-I1-GC

03/17/2023

Violation issued (HPD, closed)

03/07/2023

Objection raised — Energy

03/07/2023

Objection resolved — Addressed

02/24/2023

Objection raised — Other

02/24/2023

Objection resolved — Addressed

02/21/2023

Filed — Alteration

INSTALLATION OF TWO SKYLIGHTS AT THE ROOF LEVEL ABOVE APARTMENT 4A.

B00816884-I1

01/27/2023

Special inspection requirement — Tenant Protection Plan Compliance

William Ryan

01/23/2023

Special inspection requirement — Energy Code Compliance Inspections

William Ryan

01/23/2023

Special inspection requirement — Final

William Ryan

01/23/2023

Special inspection requirement — Air barrier - visual inspection

William Ryan

01/23/2023

Special inspection requirement — Fenestration air leakage

William Ryan

01/23/2023

Special inspection requirement — Fenestration areas

William Ryan

01/23/2023

Special inspection requirement — Structural Stability – Alterations of existing buildings

William Ryan

01/23/2023

Special inspection requirement — Fenestration and door U-factor and product ratings

William Ryan

02/18/2022

Violation issued (HPD, closed)

02/18/2022

Violation issued (HPD, closed)

05/17/2021

Violation issued (ECB, closed)

Boilers

04/05/2021

Violation issued (HPD, closed)

10/06/2015

Violation issued (HPD, closed)

02/05/2015

Violation issued (HPD, closed)

01/19/2007

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

01/06/2006

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

01/31/2005

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Signed-off	ONE WORLD BUILDERS LLC	04/11/2023
DOB NOW	General Construction	Signed-off	ONE WORLD BUILDERS LLC	03/24/2023

Nothing on file for this building.

▾Special Inspection Requirements (DOB NOW) — 8

Date	Requirement	Inspector	Role
01/27/2023	Tenant Protection Plan Compliance	William Ryan	special
01/23/2023	Energy Code Compliance Inspections	William Ryan	progress
01/23/2023	Final	William Ryan	progress
01/23/2023	Air barrier - visual inspection	William Ryan	energy_progress
01/23/2023	Fenestration air leakage	William Ryan	energy_progress
01/23/2023	Fenestration areas	William Ryan	energy_progress
01/23/2023	Structural Stability – Alterations of existing buildings	William Ryan	special
01/23/2023	Fenestration and door U-factor and product ratings	William Ryan	energy_progress

▾Documents — 11 on file (BIS + DOB NOW)

▸Plans & Drawings1

▸DOB NOWPlans/Sketch1

08/14/2026B00816884-I1Request digital key ↗

▸Seals & Professional Certifications9

▸DOB NOWProgress Inspector Seal & Signature6

08/24/2026B00816884-I1Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature2

08/24/2026B00816884-I1Open ↗

▸DOB NOWDPL-1: Design Professional Seal & Signature1

08/27/2026B00816884-I1Open ↗

▸Environmental & Asbestos1

▸DOB NOWDEP ACP-5: Asbestos Assessment Report1

08/14/2026B00816884-I1Open ↗