Condo, residential tower (mixed-use, multi-family elevator) [derived]

66 NORTH 3RD STREET

BROOKLYN · BIN 3423833

💬 Discuss this project

2017Year Built

6Stories

RMBuilding Class

M1-2/R6AZoning

12,141 sfGross Floor Area

6Units

Rent Stabilized0 Active ViolationsFDNY Report ↗

Condo, residential tower (mixed-use, multi-family elevator) [derived] · 3,257 sf lot · 3.73 FAR built · Flood zone X

Locations of Work

ArchitectureMechanicalPlumbingFire Protection

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

Roof1 filing · 4 docs

Floor 24p · 1 filing · 4 docs

Floor 1Casper16p · 4 filings · 16 docs

CellarCasper18p · 3 filings · 13 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
66N3 Owner	18	03/21/2026
Flat Iron Real Estate Advisors	5	03/22/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
Mayerfeld Architecture	1	06/17/2025
MJ Engineering & Design	1	11/16/2022
KLH Professional Engineers, PSC	4	11/09/2020
IW Architecture	2	10/02/2020

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
Gillman Consulting	8	03/21/2026
New York Sign Consultants	4	03/21/2026
MJ Engineering & Design	2	03/21/2026
PDG Building Consultants	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
Sachse Construction and	General Contractor	7	07/08/2026
PSI Partners	Plumbing	6	03/22/2026
Mauceri Sign Co	Sign hanger	2	07/08/2026
Aggressive Fire Protection	Fire Protection	2	07/08/2026
Bedrock Plumbing & Heating	Plumbing	2	07/08/2026
PSI Partners	Fire Protection	1	07/08/2026
TCS Construction	General Contractor	1	04/09/2026
Aggressive Fire Protection	Plumbing	1	03/22/2026
Remo Consultants	General Contractor	1	04/09/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
MJ Engineering & Design	5546	1	11/16/2022
DNA Controlled Inspection	554	3	11/09/2020

Building Lifecycle

All (50)Filed (8)Permit Issued (11)Signed Off (6)Violation (6)Objection (10)Special Inspection (9)

12/19/2025

Signed off — Alteration

Minor Interior renovation in apartment as per plans filed.

B01242107-I1

12/11/2025

Permit issued — General Construction

B01242107-I1-GC

12/08/2025

Permit issued — General Construction

B01242107-I1-GC

11/13/2025

Objection resolved — Addressed

11/13/2025

Objection resolved — Addressed

11/13/2025

Objection resolved — Addressed

11/04/2025

Objection resolved — Addressed

11/04/2025

Objection resolved — Addressed

06/23/2025

Objection raised — Scope

06/23/2025

Objection raised — Scope

06/23/2025

Objection raised — Scope

06/23/2025

Objection raised — Scope

06/23/2025

Objection raised — Zoning

06/17/2025

Filed — Alteration

Minor Interior renovation in apartment as per plans filed.

B01242107-I1

06/17/2025

Special inspection requirement — Energy Code Compliance Inspections

Stanley Mayerfeld

06/17/2025

Special inspection requirement — Lighting controls

Stanley Mayerfeld

06/17/2025

Special inspection requirement — Lighting in dwelling units

Stanley Mayerfeld

06/16/2025

Special inspection requirement — Final

Stanley Mayerfeld

07/12/2024

Signed off — Alteration

Modification to sprinkler system and related piping as shown on drawings filed herewith. No change in use, egress or occupancy.

B00311232-I1

04/11/2024

Permit issued — Sprinklers

B00311232-I1-EW-SP

02/27/2024

Permit issued — Sprinklers

B00311232-I1-EW-SP

02/15/2024

Signed off — Alteration

B00311298-I1

01/19/2023

Violation issued (FDNY_NOV, closed)

11/16/2022

Filed — Alteration

Proposed pergola above the roof level attached to the bulkhead of the penthouse apartment unit. No change of occupancy, No change of egress.

B08040766-I1

11/16/2022

Special inspection requirement — Final

Magdy Youssef

11/16/2022

Special inspection requirement — Post-installed Anchors

Magdy Youssef

03/10/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

12/18/2020

Signed off — Alteration

B00311266-I1

12/01/2020

Signed off — Alteration

ERECT AN ILLUMINATED BUSINESS ACCESSORY WALL SIGN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

B00406740-I1

12/01/2020

Signed off — Alteration

ERECT AN ILLUMINATED BUSINESS ACCESSORY BLADE SIGN. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.

B00406746-I1

11/13/2020

Permit issued — Sprinklers

B00311232-I1-EW-SP

11/13/2020

Special inspection requirement — Sprinkler Systems

WILLIAM FITZJOHN

11/09/2020

Filed — Alteration

Modification to sprinkler system and related piping as shown on drawings filed herewith. No change in use, egress or occupancy.

B00311232-P1

10/19/2020

Permit issued — Sign

B00406740-I1-SG

10/06/2020

Permit issued — Sign

B00406746-I1-SG

10/02/2020

Filed — Alteration

ERECT AN ILLUMINATED BUSINESS ACCESSORY WALL SIGN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

B00406740-I1

10/02/2020

Filed — Alteration

ERECT AN ILLUMINATED BUSINESS ACCESSORY BLADE SIGN. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.

B00406746-I1

10/01/2020

Special inspection requirement — Final

Israel Wertentheil

10/01/2020

Special inspection requirement — Final

Israel Wertentheil

09/23/2020

Violation issued (ECB, closed)

Unknown

07/10/2020

Permit issued — Mechanical Systems

B00311298-I1-MS

05/11/2020

Permit issued — Mechanical Systems

B00311298-I1-MS

03/16/2020

Permit issued — Plumbing

B00311266-I1-PL

03/12/2020

Permit issued — Mechanical Systems

B00311298-I1-MS

03/04/2020

Filed — Alteration

B00311266-I1

02/25/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

02/17/2020

Filed — Alteration

Modification to sprinkler system and related piping as shown on drawings filed herewith. No change in use, egress or occupancy.

B00311232-I1

02/17/2020

Filed — Alteration

B00311298-I1

05/13/2017

Violation issued (DOB, closed)

VPW*-VIOLATION UNSERVED ECB-WORK WITHOUT PERMIT-DISMISSED

05/13/2017

Violation issued (ECB, closed)

Construction

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Signed-off	TCS Construction	12/11/2025
DOB NOW	General Construction	Signed-off	Remo Consultants	12/08/2025
DOB NOW	Sprinklers	Signed-off	Mora Fire Protection	04/11/2024
DOB NOW	Sprinklers	Signed-off	Aggressive Fire Protection	02/27/2024
DOB NOW	Sprinklers	Signed-off	Aggressive Fire Protection	11/13/2020
DOB NOW	Sign	Signed-off	Mauceri Sign Co	10/19/2020
DOB NOW	Sign	Signed-off	Mauceri Sign Co	10/06/2020
DOB NOW	Mechanical Systems	Signed-off	Sachse Construction and	07/10/2020
DOB NOW	Mechanical Systems	Signed-off	Sachse Construction and	05/11/2020
DOB NOW	Plumbing	Signed-off	Bedrock Plumbing & Heating	03/16/2020
DOB NOW	Mechanical Systems	Signed-off	Sachse Construction and	03/12/2020
BIS	OT	ISSUED	Sachse Construction and	02/21/2020
BIS	OT	ISSUED	Sachse Construction and	02/21/2020
BIS	OT	ISSUED	Sachse Construction and	02/21/2020
BIS	OT	ISSUED	MJM Associates Construction	02/19/2020
BIS	PL	ISSUED	Mega Plumbing	08/17/2017
BIS	EQ	ISSUED	Billy Enterprises	08/09/2017
BIS	EQ	ISSUED	Billy Enterprises	08/09/2017
BIS	EQ	ISSUED	Billy Enterprises	08/03/2017
BIS	—	ISSUED	MJM Associates Construction	06/23/2017
BIS	PL	ISSUED	Mega Plumbing	09/02/2016
BIS	—	ISSUED	MJM Associates Construction	06/27/2016
BIS	—	ISSUED	MJM Associates Construction	06/27/2016
BIS	—	ISSUED	Inspiron	05/24/2016
BIS	—	ISSUED	Inspiron	05/24/2016

1 project · most recent 03/24/2021

General Wiring Lighting

Filed	Status	Contractor	Scope
03/24/2021	Complete	Big Ant Electric	General Wiring, Lighting

▾Special Inspection Requirements (DOB NOW) — 9

Date	Requirement	Inspector	Role
06/17/2025	Energy Code Compliance Inspections	Stanley Mayerfeld	progress
06/17/2025	Lighting controls	Stanley Mayerfeld	energy_progress
06/17/2025	Lighting in dwelling units	Stanley Mayerfeld	energy_progress
06/16/2025	Final	Stanley Mayerfeld	progress
11/16/2022	Final	Magdy Youssef	progress
11/16/2022	Post-installed Anchors	Magdy Youssef	special
11/13/2020	Sprinkler Systems	WILLIAM FITZJOHN	special
10/01/2020	Final	Israel Wertentheil	progress
10/01/2020	Final	Israel Wertentheil	progress

▾Tenants in the building

Tenant	Space	Floors	Renovation projects
Casper	Retail	Cellar, Floor 1	Project B00311266 Alteration · LOC Issued · 03/04/2020 Project B00311232 Alteration · LOC Issued · 02/17/2020 Project B00311298 Alteration · LOC Issued · 02/17/2020

Names are taken automatically from the text of each project’s filed documents (title blocks and cover sheets) and screened to exclude owners, landlords and designers. They may be incomplete or wrong; check the filing.

▾Documents — 352 on file (BIS + DOB NOW)

▸Plans & Drawings8

▸DOB NOWPlans/Sketch2

08/28/2026B08040766-I1Request digital key ↗

08/21/2026B01242107-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Sign2

09/02/2026B00406740-I1Request digital key ↗

09/02/2026B00406746-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Sprinkler2

09/02/2026B00311232-I1Request digital key ↗

08/15/2026B00311232-P1Request digital key ↗

▸DOB NOWPlans/Sketch - Mechanical Systems1

09/02/2026B00311298-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Plumbing1

09/02/2026B00311266-I1Request digital key ↗

▸Applications & Permits52

▸BISPLAN / WORK APPROVAL APPLICATION22

02/20/2024321730212Open ↗

02/24/2020321730212Open ↗

Showing 3 of 22 on file for this type

▸BISWORK PERMIT APPLICATION15

02/26/2020321730212Open ↗

Showing 3 of 15 on file for this type

▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION10

08/06/2018321153915Open ↗

04/23/2018321153915Open ↗

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▸BISCERTIFICATE OF OCCUPANCY: APPLICATION2

05/16/2018321153915Open ↗

05/15/2018321153915Open ↗

▸BISBPP - Street Opening DOT Permit - BPP - Street Opening2

01/18/2019321230565Open ↗

▸BISBPP-5 - Authorization to the Department of Transportation1

01/10/2018321230565Open ↗

▸Zoning, Tax Lot & Property Records12

▸BISZONING EXHIBIT V: CERTIFICATION3

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

Showing 0 of 3 on file for this type

▸BISZONING EXHIBIT II: CERTIFICATION3

03/12/2018321723685Open ↗

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▸BISZONING DIAGRAM2

11/01/2017321153915Open ↗

Showing 1 of 2 on file for this type

▸BISZONING RESOLUTION DETERMINATION1

05/21/2018321153915Open ↗

▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1

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

Showing 0 of 1 on file for this type

▸BISTAX LOT: FINAL LOT NUMBER ISSUED1

08/06/2018321153915Open ↗

▸BISADDRESS: NEW HOUSE NUMBER APPROVED1

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

Showing 0 of 1 on file for this type

▸Seals & Professional Certifications67

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION33

02/24/2020322031010Open ↗

02/24/2020321730212Open ↗

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▸BISPROFESSIONAL CERTIFICATION STATEMENT9

02/24/2020321730212Open ↗

Showing 3 of 9 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature8

09/02/2026B00406740-I1Open ↗

09/02/2026B00406746-I1Open ↗

08/28/2026B08040766-I1Open ↗

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▸DOB NOWProgress Inspector Seal & Signature5

09/02/2026B01242107-I1Open ↗

09/01/2026B00406740-I1Open ↗

Showing 3 of 5 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST4

02/24/2020321730212Open ↗

01/29/2020322031010Open ↗

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▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY3

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

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▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION3

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

Showing 0 of 3 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature2

09/01/2026B00311232-I1Open ↗

08/23/2026B08040766-I1Open ↗

▸Trade Schedules & Equipment37

▸BISEQUIPMENT USE PERMITS13

06/18/2018321153915Open ↗

Showing 3 of 13 on file for this type

▸BISEQUIPMENT USE APPLICATION/PERMIT13

06/18/2018321153915Open ↗

Showing 3 of 13 on file for this type

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE5

04/09/2018321153915Open ↗

Showing 1 of 5 on file for this type

▸BISDETECTOR:SMOKE-CERT. OF INSTALLATION2

06/14/2018321153915Open ↗

▸BISFA - FDNY APPROVAL : FD-FAA2

06/21/2018321388262Open ↗

06/21/2018321570536Open ↗

▸BISSPRINKLER INSP REPORT : FP-851

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

Showing 0 of 1 on file for this type

▸BISSEWER CONNECTION: DEP SD1 & SD21

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

Showing 0 of 1 on file for this type

▸Safety & Tenant Protection13

▸BISTENANT PROTECTION PLAN AND NOTES4

02/24/2020321730212Open ↗

01/29/2020322031010Open ↗

Showing 2 of 4 on file for this type

▸DOB NOWTenant Protection Plan4

08/13/2026B00311266-I1Open ↗

08/13/2026B00311232-I1Open ↗

08/13/2026B00311232-P1Open ↗

Showing 3 of 4 on file for this type

▸BISSTREET TREE CHECKLIST3

01/18/2019321230565Open ↗

12/06/2018321153915Open ↗

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▸BISANTI-HARASSMENT CHECKLIST1

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

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▸BISSTREET TREES: RECEIPT OF STREET TREES SITE PLAN1

12/06/2018321153915Open ↗

▸Environmental & Asbestos1

▸BISDEP ASBESTOS PROJECT COMPLETION FORM1

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

Showing 0 of 1 on file for this type

▸Energy Compliance20

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS13

02/24/2020322031010Open ↗

02/24/2020321730212Open ↗

01/29/2020322031010Open ↗

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▸BISAS-BUILT ENERGY ANALYSIS4

02/13/2024321730212Open ↗

09/24/2020322031010Open ↗

12/28/2018321153915Open ↗

Showing 3 of 4 on file for this type

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2

02/13/2024321730212Open ↗

09/24/2020322031010Open ↗

▸BISINTERIOR LIGHTING POWER1

07/21/2023321730212Open ↗

▸Inspections & Test Reports14

▸BISTECHNICAL REPORT: RESPONSIBILITY7

02/13/2024321730212Open ↗

Showing 3 of 7 on file for this type

▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER2

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

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▸BISTECHNICAL REPORT: SOIL INSPECTION1

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▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX1

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

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▸BISCONCRETE - CAST-IN-PLACE1

07/21/2023321730212Open ↗

▸BISFIRE-RESISTIVE RATED CONSTRUCTION1

07/21/2023321730212Open ↗

▸BISSTRUCTURAL STEEL - HIGH STRENGTH BOLTING1

07/21/2023321730212Open ↗

▸Approvals, Objections & Sign-offs29

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST19

02/14/2024321730212Open ↗

09/24/2020322031010Open ↗

12/10/2019321153915Open ↗

Showing 3 of 19 on file for this type

▸BISLETTERS - SUPPORTING DOCUMENTATION6

06/14/2018340527745Open ↗

06/14/2018340526559Open ↗

06/14/2018340527718Open ↗

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▸BISSCHEDULE A - OCCUPANCY / USE2

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

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▸BISCONSTRUCTION CODE DETERMINATION1

01/29/2020322031010Open ↗

▸BISFINAL1

07/13/2023321730212Open ↗

▸Cost, Insurance & Ownership21

▸BISCOST AFFIDAVIT15

09/24/2020322031010Open ↗

02/24/2020321730212Open ↗

Showing 3 of 15 on file for this type

▸BISBPP-11 - Affidavit as to Roadway Pavement And/Or Sidewalk and Curb Construction2

09/11/2019321230565Open ↗

01/18/2019321230565Open ↗

▸BISPROJECT-SPECIFIC GL INSURANCE2

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

Showing 0 of 2 on file for this type

▸BISAcord 25 (Acord Certificate of Liability Insurance)1

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▸BISCOST AFFIDAVIT (FINAL): PW31

07/13/2023321730212Open ↗

▸Filing & Intake Forms62

▸BISADDITIONAL INFORMATION26

02/17/2021321730212Open ↗

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▸BISBOROUGH INTAKE FORM19

12/10/2019321153915Open ↗

10/16/2019321153915Open ↗

10/07/2019321153915Open ↗

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▸BISEFILING COVER SHEET13

02/21/2020321730212Open ↗

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▸BISEFILING JOB APPLICATION COVER SHEET3

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▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31

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▸Other Documents9

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION6

06/18/2018321153915Open ↗

03/12/2018321723685Open ↗

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▸BISPLOT DIAGRAM2

03/12/2018321723685Open ↗

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▸BISSEPTIC - SUPPORTING DOCUMENTATION1

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