Five to six families

603 PENNSYLVANIA AVENUE

BROOKLYN · East New York-New Lots · BIN 3085555

💬 Discuss this project

1920Year Built

2Stories

C2Building Class

R6Zoning

3,616 sfGross Floor Area

6Units

FDNY Report ↗

Five to six families · Owner of record: 603 PENN LLC · 2,383 sf lot · 1.52 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralMechanicalPlumbingFire ProtectionGeneral

Roof5p · 1 filing · 18 docs

Floor 212p · 2 filings · 20 docs

Floor 112p · 2 filings · 20 docs

Cellar13p · 2 filings · 20 docs

Sub-Basement11p · 2 filings · 20 docs

Site & exterior1p · 1 filing · 2 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
603 PENN LLC	1	03/22/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
10/04/2019	$629K	—	— → —	$174/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
POLY ENGINEER PC	8	12/12/2022

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
SM DESIGN CONSTRUCTION	14	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
SUPER POWER CONSTRUCTION	General Contractor	5	07/08/2026
TRI STATE PLBG & HTG INC	Plumbing	5	07/08/2026
CK COOLING & HEATING INC	General Contractor	3	07/08/2026
RRP PLUMBING CORP	Fire Protection	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
POLY ENGINEER, P.C.	6110	2	12/12/2022
NKM ENGINEERING PLLC	6244	5	09/28/2022

Building Lifecycle

All (55)Filed (8)Permit Issued (11)Signed Off (5)Inspection (9)Special Inspection (22)

12/27/2022

Signed off — Alteration

Proposed installation of Plumbing fixtures and Sprinklers as shown on plan. Filed in conjunction with Alt 1 application no. 321595813.

B00484754-I1

12/23/2022

Signed off — Alteration

Proposed installation of Plumbing fixtures and Sprinklers as shown on plan. Filed in conjunction with Alt 1 application no. 321595813.

B00484754-S1

12/23/2022

Signed off — Alteration

Proposed installation of Plumbing fixtures and Sprinklers as shown on plan. Filed in conjunction with Alt 1 application no. 321595813.

B00484754-S2

12/15/2022

Inspection — Pass-Final Boiler Equipment Inspection

Pass

View inspection ↗

12/13/2022

Permit issued — Boiler Equipment

B00484754-S2-BE

12/12/2022

Filed — Alteration

Proposed installation of Plumbing fixtures and Sprinklers as shown on plan. Filed in conjunction with Alt 1 application no. 321595813.

B00484754-S2

12/12/2022

Signed off — Alteration

STRUCTURAL WORK TYPE IN CONJ. W/ALT1 APPL# 321595813: PROPOSED CONVERSION FROM TWO (2) TO SIX (6) FAMILY. LOWER EXISTING 1ST FLOOR TO BECOME BASEMENT. RELACEMENT OF EXT'G WOOD JOIST WITH C JOISTS. ADD NEW 1ST FLOOR AND PARTIAL CELLAR. FILED AS BIG ALT.

B00497848-I1

12/12/2022

Inspection — Pass-Final Boiler Equipment Inspection

Pass

View inspection ↗

12/05/2022

Permit issued — Boiler Equipment

B00484754-S1-BE

12/01/2022

Filed — Alteration

Proposed installation of Plumbing fixtures and Sprinklers as shown on plan. Filed in conjunction with Alt 1 application no. 321595813.

B00484754-S1

11/30/2022

Special inspection requirement — Fire-Resistant Penetrations and Joints

De Gao

11/30/2022

Special inspection requirement — Heating Systems

De Gao

11/18/2022

Inspection — Certified Remove/Cap - work done in accordance with code

Certified

View inspection ↗

11/17/2022

Inspection — Certified Sprinkler-SP-Fixtures-Finish

Certified

View inspection ↗

11/11/2022

Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test

Certified

View inspection ↗

11/02/2022

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

Pass

View inspection ↗

09/28/2022

Filed — Alteration

Proposed installation of Plumbing fixtures and Sprinklers as shown on plan. Filed in conjunction with Alt 1 application no. 321595813.

B00484754-P2

09/27/2022

Signed off — Alteration

B00391043-I1

09/27/2022

Special inspection requirement — HVAC-R and service water piping design and insulation

NARESH MAHANGU

09/27/2022

Special inspection requirement — Fire-Resistant Penetrations and Joints

NARESH MAHANGU

09/27/2022

Special inspection requirement — Sprinkler Systems

NARESH MAHANGU

09/27/2022

Special inspection requirement — Energy Code Compliance Inspections

NARESH MAHANGU

09/27/2022

Special inspection requirement — Permanent certificate

NARESH MAHANGU

09/27/2022

Special inspection requirement — HVAC-R and service water heating system controls

NARESH MAHANGU

09/27/2022

Special inspection requirement — HVAC-R and service water heating equipment

NARESH MAHANGU

09/27/2022

Special inspection requirement — Maintenance information

NARESH MAHANGU

06/29/2022

Permit issued — Sprinklers

B00484754-I1-PL

03/18/2022

Permit issued — Structural

B00497848-I1-ST

01/21/2022

Inspection — Certified Gas-Gas-Piping-Roughing

Certified

View inspection ↗

01/21/2022

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

Certified

View inspection ↗

01/21/2022

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

Certified

View inspection ↗

01/12/2022

Permit issued — Plumbing

B00484754-I1-PL

10/28/2021

Permit issued — Structural

B00497848-I1-ST

09/23/2021

Permit issued — Structural

B00497848-I1-ST

09/22/2021

Special inspection requirement — Final

NAVEEN KUMAR

09/22/2021

Special inspection requirement — Structural Stability – Alterations of existing buildings

NARESH MAHANGU

09/22/2021

Special inspection requirement — Structural Cold-Formed Steel

NARESH MAHANGU

09/22/2021

Special inspection requirement — Subgrade Inspections

NARESH MAHANGU

09/22/2021

Special inspection requirement — Structural Steel - Details

NARESH MAHANGU

09/22/2021

Special inspection requirement — Concrete - Cast-In-Place

NARESH MAHANGU

09/13/2021

Filed — Alteration

B00497848-P1

09/13/2021

Special inspection requirement — Subgrade Inspections

NARESH MAHANGU

09/13/2021

Special inspection requirement — Concrete - Cast-In-Place

NARESH MAHANGU

09/13/2021

Special inspection requirement — Structural Stability – Alterations of existing buildings

NARESH MAHANGU

09/13/2021

Special inspection requirement — Structural Cold-Formed Steel

NARESH MAHANGU

09/13/2021

Special inspection requirement — Final

NARESH MAHANGU

09/13/2021

Special inspection requirement — Structural Steel - Details

NARESH MAHANGU

09/01/2021

Filed — Alteration

Proposed installation of Plumbing fixtures and Sprinklers as shown on plan. Filed in conjunction with Alt 1 application no. 321595813.

B00484754-P1

08/20/2021

Permit issued — Plumbing

B00484754-I1-EW-SP

08/20/2021

Permit issued — Sprinklers

B00484754-I1-PL

07/20/2021

Filed — Alteration

Proposed installation of Plumbing fixtures and Sprinklers as shown on plan. Filed in conjunction with Alt 1 application no. 321595813.

B00484754-I1

05/06/2021

Filed — Alteration

B00497848-I1

05/03/2021

Permit issued — Construction Fence

B00391043-I1-FN

10/08/2020

Permit issued — Construction Fence

B00391043-I1-FN

09/03/2020

Filed — Alteration

B00391043-I1

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Boiler Equipment	Signed-off	DW PLUMBING INC	12/13/2022
DOB NOW	Boiler Equipment	Signed-off	DW PLUMBING INC	12/05/2022
DOB NOW	Sprinklers	Signed-off	DW PLUMBING INC	06/29/2022
DOB NOW	Structural	Signed-off	SUPER POWER CONSTRUCTION	03/18/2022
DOB NOW	Plumbing	Signed-off	DW PLUMBING INC	01/12/2022
DOB NOW	Structural	Signed-off	SUPER POWER CONSTRUCTION	10/28/2021
DOB NOW	Structural	Signed-off	SUPER POWER CONSTRUCTION	09/23/2021
DOB NOW	Plumbing	Signed-off	RALPH W. LANDOLFI JR.	08/20/2021
DOB NOW	Sprinklers	Signed-off	DW PLUMBING INC	08/20/2021
DOB NOW	Construction Fence	Signed-off	CK COOLING HEATING	05/03/2021
DOB NOW	Construction Fence	Signed-off	CK COOLING HEATING	10/08/2020
BIS	—	ISSUED	SUPER POWER CONSTRUCTION	03/21/2022
BIS	—	ISSUED	SUPER POWER CONSTRUCTION	11/09/2021
BIS	—	ISSUED	SUPER POWER CONSTRUCTION	09/21/2021

1 project · most recent 12/23/2022

General Wiring

Filed	Status	Contractor	Scope
12/23/2022	Complete	KJK ELECTRIC INC	General Wiring

▾Field Inspections (DOB CAP) — 9

Date	Type	Result	Report
12/15/2022	Pass-Final Boiler Equipment Inspection	Pass	View ↗
12/12/2022	Pass-Final Boiler Equipment Inspection	Pass	View ↗
11/18/2022	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
11/17/2022	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
11/11/2022	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
11/02/2022	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
01/21/2022	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
01/21/2022	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
01/21/2022	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 22

Date	Requirement	Inspector	Role
11/30/2022	Fire-Resistant Penetrations and Joints	De Gao	special
11/30/2022	Heating Systems	De Gao	special
09/27/2022	HVAC-R and service water piping design and insulation	NARESH MAHANGU	energy_progress
09/27/2022	Fire-Resistant Penetrations and Joints	NARESH MAHANGU	special
09/27/2022	Sprinkler Systems	NARESH MAHANGU	special
09/27/2022	Energy Code Compliance Inspections	NARESH MAHANGU	progress
09/27/2022	Permanent certificate	NARESH MAHANGU	energy_progress
09/27/2022	HVAC-R and service water heating system controls	NARESH MAHANGU	energy_progress
09/27/2022	HVAC-R and service water heating equipment	NARESH MAHANGU	energy_progress
09/27/2022	Maintenance information	NARESH MAHANGU	energy_progress
09/22/2021	Final	NAVEEN KUMAR	progress
09/22/2021	Structural Stability – Alterations of existing buildings	NARESH MAHANGU	special
09/22/2021	Structural Cold-Formed Steel	NARESH MAHANGU	special
09/22/2021	Subgrade Inspections	NARESH MAHANGU	special
09/22/2021	Structural Steel - Details	NARESH MAHANGU	special
09/22/2021	Concrete - Cast-In-Place	NARESH MAHANGU	special
09/13/2021	Subgrade Inspections	NARESH MAHANGU	special
09/13/2021	Concrete - Cast-In-Place	NARESH MAHANGU	special
09/13/2021	Structural Stability – Alterations of existing buildings	NARESH MAHANGU	special
09/13/2021	Structural Cold-Formed Steel	NARESH MAHANGU	special
09/13/2021	Final	NARESH MAHANGU	progress
09/13/2021	Structural Steel - Details	NARESH MAHANGU	special

▾Documents — 137 on file (BIS + DOB NOW)

▸Plans & Drawings8

▸DOB NOWPlans/Sketch7

09/01/2026B00497848-P1Request digital key ↗

09/01/2026B00497848-I1Request digital key ↗

08/28/2026B00484754-P2Request digital key ↗

Showing 3 of 7 on file for this type

▸DOB NOWPlans/Sketch - Construction Fence1

09/02/2026B00391043-I1Request digital key ↗

▸Applications & Permits20

▸BISWORK PERMIT APPLICATION10

11/10/2021321595813Open ↗

Showing 3 of 10 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION8

01/10/2023321595813Open ↗

09/28/2022321595813Open ↗

03/15/2021321595813Open ↗

Showing 3 of 8 on file for this type

▸BISBPP-5 - Authorization to the Department of Transportation1

05/06/2022340842592Open ↗

▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1

12/14/2022321595813Open ↗

▸Zoning, Tax Lot & Property Records6

▸BISRESTRICTION: EASEMENT AGREEMENT1

03/12/2021321595813Open ↗

▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1

03/12/2021321595813Open ↗

▸BISVERIFY TAX LOT1

03/21/2023321595813Open ↗

▸BISADDRESS: NEW HOUSE NUMBER APPROVED1

05/05/2021321595813Open ↗

▸BISCO OBJ: VERIFY ADDRESS-TOPO STAMP1

03/21/2023321595813Open ↗

▸BISZONING EXHIBIT I: CERTIFICATION1

03/12/2021321595813Open ↗

▸Seals & Professional Certifications33

▸DOB NOWSpecial Inspector Seal & Signature14

08/27/2026B00484754-S1Open ↗

08/25/2026B00497848-P1Open ↗

Showing 3 of 14 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature8

08/28/2026B00484754-I1Open ↗

08/28/2026B00484754-S2Open ↗

08/28/2026B00484754-S1Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWProgress Inspector Seal & Signature8

08/25/2026B00497848-P1Open ↗

08/25/2026B00497848-I1Open ↗

08/22/2026B00484754-P2Open ↗

Showing 3 of 8 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION2

09/09/2021321595813Open ↗

08/31/2021321595813Open ↗

▸BISAPPLICANT OWNER SIGNATURE1

05/06/2022340842592Open ↗

▸Trade Schedules & Equipment2

▸BISDETECTOR:CARBON MONOXIDE-CERT.OF INSTALL1

12/13/2022321595813Open ↗

▸BISDEP SANITARY SEWER CERTIFICATION (HCP/SCP)1

05/05/2021321595813Open ↗

▸Safety & Tenant Protection6

▸BISSTREET TREE CHECKLIST3

12/15/2022340842592Open ↗

05/06/2022340842592Open ↗

03/29/2021321595813Open ↗

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM2

09/09/2021321595813Open ↗

08/31/2021321595813Open ↗

▸BISBPP: STREET TREES SITE PLAN1

05/06/2022340842592Open ↗

▸Environmental & Asbestos8

▸DOB NOWDEP ACP-5: Asbestos Assessment Report7

08/28/2026B00484754-S2Open ↗

08/28/2026B00484754-S1Open ↗

08/28/2026B00484754-P2Open ↗

Showing 3 of 7 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)1

03/29/2021321595813Open ↗

▸Energy Compliance15

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2

10/21/2021321595813Open ↗

05/05/2021321595813Open ↗

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2

09/09/2021321595813Open ↗

08/31/2021321595813Open ↗

▸BISAIR SEALING AND INSULATION - VISUAL1

12/13/2022321595813Open ↗

▸BISINTERIOR LIGHTING POWER1

12/13/2022321595813Open ↗

▸BISFENESTRATION U-FACTOR & PRODUCT RATING1

12/13/2022321595813Open ↗

▸BISFENESTRATION AREAS1

12/13/2022321595813Open ↗

▸BISAIR SEALING AND INSULATION - TESTING1

12/13/2022321595813Open ↗

▸BISINSULATION PLACEMENT & R VALUES1

12/13/2022321595813Open ↗

▸BISENERGY CODE COMPLIANCE INSPECTIONS1

12/13/2022321595813Open ↗

▸BISAS-BUILT ENERGY ANALYSIS (EN2)1

12/13/2022321595813Open ↗

▸BISELECTRICAL ENERGY CONSUMPTION1

12/13/2022321595813Open ↗

▸BISFENESTRATION AIR LEAKAGE1

12/13/2022321595813Open ↗

▸DOB NOWEN2: As Built Energy Analysis.1

08/13/2026B00484754-I1Open ↗

▸Inspections & Test Reports12

▸BISTECHNICAL REPORT: RESPONSIBILITY5

05/17/2022340842592Open ↗

10/21/2021321595813Open ↗

Showing 3 of 5 on file for this type

▸BISSTRUCTURAL STABILITY - ALTERATIONS OF EXISTING BUILDINGS1

12/13/2022321595813Open ↗

▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1

12/13/2022321595813Open ↗

▸BISFIRE-RESISTIVE RATED CONSTRUCTION1

12/13/2022321595813Open ↗

▸BISFOOTING AND FOUNDATION INSPECTION1

12/13/2022321595813Open ↗

▸BISSOIL REPORT1

03/29/2021321595813Open ↗

▸BISTECHNICAL REPORT: SOIL INSPECTION1

03/29/2021321595813Open ↗

▸BISCONCRETE - CAST-IN-PLACE1

12/13/2022321595813Open ↗

▸Approvals, Objections & Sign-offs5

▸BISLETTERS - SUPPORTING DOCUMENTATION4

01/26/2023321595813Open ↗

09/09/2021321595813Open ↗

08/31/2021321595813Open ↗

Showing 3 of 4 on file for this type

▸BISSCHEDULE A - OCCUPANCY / USE1

03/12/2021321595813Open ↗

▸Cost, Insurance & Ownership3

▸BISCOST AFFIDAVIT1

05/05/2021321595813Open ↗

▸BISCOST AFFIDAVIT (FINAL): PW31

12/13/2022321595813Open ↗

▸BISPROJECT-SPECIFIC GL INSURANCE1

09/22/2021321595813Open ↗

▸Filing & Intake Forms11

▸BISBOROUGH INTAKE FORM4

11/10/2021321595813Open ↗

09/22/2021321595813Open ↗

09/09/2021321595813Open ↗

Showing 3 of 4 on file for this type

▸BISADDITIONAL INFORMATION4

01/12/2023321595813Open ↗

12/01/2022321595813Open ↗

05/25/2022340842592Open ↗

Showing 3 of 4 on file for this type

▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31

05/06/2022340842592Open ↗

▸BISEFILING COVER SHEET1

06/09/2020321595813Open ↗

▸BISEFILING JOB APPLICATION COVER SHEET1

05/06/2022340842592Open ↗

▸Other Documents8

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION2

03/12/2021321595813Open ↗

▸BISSUSTAINABLE ROOF ZONE FORM1

05/05/2021321595813Open ↗

▸BISMAINTENANCE INFORMATION1

12/13/2022321595813Open ↗

▸BISPERMANENT CERTIFICATE1

12/13/2022321595813Open ↗

▸BISPROTECTION OF EXPOSED FOUNDATION INSULATION1

12/13/2022321595813Open ↗

▸BISBPP - SUPPORTING DOCUMENTATION1

05/06/2022340842592Open ↗

▸BISPLOT DIAGRAM1

03/12/2021321595813Open ↗