Primarily 1 family with 2 stores or offices

148 9TH AVENUE

MANHATTAN · BIN 1013192

💬 Discuss this project

1910Year Built

2Stories

S0Building Class

C2-6AZoning

3,100 sfGross Floor Area

3Units

1 Active Violation 0 unresolved · 1 paperwork only 3 old, status unconfirmed ▸

Primarily 1 family with 2 stores or offices · Owner of record: Roundstone Properties · 1,500 sf lot · 2.07 FAR built · Flood zone X

Locations of Work

StructuralMechanicalFire ProtectionEquipment

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

RoofRoundstone Properties, LLC5p · 1 filing · 4 docs

Floor 3Roundstone Properties, LLC4p · 1 filing · 4 docs

Floor 2Roundstone Properties, LLC3p · 1 filing · 4 docs

Floor 1Roundstone Properties, LLC3p · 1 filing · 4 docs

CellarRoundstone Properties, LLC5p · 2 filings · 8 docs

Site & exteriorPipe scaffold for facade repair7p · 3 filings · 7 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
Round Stone Properties	32	07/08/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
Jose A. Santos P.E.P.C	1	04/11/2023
William F. Ryan, Jr. P.E	1	03/01/2023
Baileys Engineering	3	08/14/2018

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
AE Design Solution	6	03/21/2026
Poseidon Expediting & Consulting SE	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
Powers Bridging & Scaffolding	Scaffold	18	07/08/2026
Bent Mechanical	specialty_contractor	4	03/21/2026
Epic Electric	Electrical	1	03/21/2026
Top Notch Electrical	Electrical	1	03/21/2026
Shahon Electric Co	Electrical	1	03/21/2026
Bent Mechanical	Fire Protection	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
Jose A Santos PE	3292	1	04/11/2023
Ryan Special Engineering	2018	2	04/11/2023

Building Lifecycle

All (83)Filed (5)Permit Issued (17)Signed Off (2)Violation (47)Inspection (2)Objection (6)Special Inspection (4)

03/12/2025

Signed off — Alteration

PROPOSE TO INSTALL SPRINKLER SYSTEM AS PER PLANS SUBMITTED HEREWITH.

M00842203-I1

11/06/2024

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

Certified

View inspection ↗

11/04/2024

Inspection — Certified Sprinkler-SP-Fixtures-Finish

Certified

View inspection ↗

09/23/2024

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

08/21/2024

Permit issued — Mechanical Systems

M08034248-I1-MS

06/07/2024

Violation issued (ECB, closed)

Boilers

04/01/2024

Permit issued — Sprinklers

M00842203-I1-EW-SP

11/07/2023

Objection resolved — Addressed

11/07/2023

Objection resolved — Addressed

11/07/2023

Objection resolved — Addressed

07/12/2023

Signed off — Alteration

INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M00066624-I1

06/30/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

06/30/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

06/20/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

06/20/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

04/25/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

04/14/2023

Objection raised — Structural

04/14/2023

Objection raised — Mechanical

04/14/2023

Objection raised — Admin

04/11/2023

Filed — Alteration

PROPOSE TO INSTALL SPRINKLER SYSTEM AS PER PLANS SUBMITTED HEREWITH.

M00842203-I1

03/30/2023

Permit issued — Mechanical Systems

M08034248-I1-MS

03/24/2023

Special inspection requirement — Fire-Resistant Penetrations and Joints

Jose Santos

03/10/2023

Special inspection requirement — Sprinkler Systems

William Ryan

03/01/2023

Filed — Alteration

M08034248-I1

11/03/2022

Special inspection requirement — Mechanical Systems

William Ryan

11/03/2022

Special inspection requirement — Final

William Ryan

04/21/2022

Violation issued (ECB, open)

Construction

03/31/2022

Permit issued — Supported Scaffold

M00066628-I1-SF

03/31/2022

Permit issued — Construction Fence

M00066631-I1-FN

07/21/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

04/24/2021

Violation issued (ECB, closed)

Construction

04/24/2021

Violation issued (ECB, closed)

Construction

03/30/2021

Permit issued — Sidewalk Shed

M00066624-I1-SH

03/30/2021

Permit issued — Supported Scaffold

M00066628-I1-SF

03/25/2021

Permit issued — Construction Fence

M00066631-I1-FN

03/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

12/14/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

12/13/2020

Violation issued (ECB, closed)

Site Safety

12/13/2020

Violation issued (ECB, closed)

Construction

12/13/2020

Violation issued (ECB, closed)

Construction

12/13/2020

Violation issued (ECB, closed)

Construction

12/13/2020

Violation issued (ECB, closed)

Construction

12/13/2020

Violation issued (ECB, closed)

Construction

12/13/2020

Violation issued (ECB, closed)

Construction

12/10/2020

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

12/10/2020

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

06/29/2020

Violation issued (ECB, closed)

Construction

04/03/2020

Permit issued — Supported Scaffold

M00066628-I1-SF

04/03/2020

Permit issued — Sidewalk Shed

M00066624-I1-SH

04/02/2020

Permit issued — Construction Fence

M00066631-I1-FN

08/07/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

08/01/2019

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

07/31/2019

Violation issued (ECB, closed)

Construction

07/26/2019

Permit issued — Construction Fence

M00066631-I1-FN

Latest 60 of 83 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Mechanical Systems	Permit Issued	Bent Mechanical	08/21/2024
DOB NOW	Sprinklers	Signed-off	Bent Mechanical	04/01/2024
DOB NOW	Mechanical Systems	Permit Issued	Bent Mechanical	03/30/2023
DOB NOW	Supported Scaffold	Permit Issued	Powers Bridging & Scaffol	03/31/2022
DOB NOW	Construction Fence	Permit Issued	Powers Bridging & Scaffol	03/31/2022
DOB NOW	Sidewalk Shed	Signed-off	Powers Bridging & Scaffol	03/30/2021
DOB NOW	Supported Scaffold	Permit Issued	Powers Bridging & Scaffol	03/30/2021
DOB NOW	Construction Fence	Permit Issued	Powers Bridging & Scaffol	03/25/2021
DOB NOW	Supported Scaffold	Permit Issued	Powers Bridging & Scaffol	04/03/2020
DOB NOW	Sidewalk Shed	Signed-off	Powers Bridging & Scaffol	04/03/2020
DOB NOW	Construction Fence	Permit Issued	Powers Bridging & Scaffol	04/02/2020
DOB NOW	Construction Fence	Permit Issued	Powers Bridging & Scaffol	07/26/2019
DOB NOW	Supported Scaffold	Permit Issued	Powers Bridging & Scaffol	07/25/2019
DOB NOW	Sidewalk Shed	Signed-off	Powers Bridging & Scaffol	07/25/2019
DOB NOW	Construction Fence	Permit Issued	Powers Bridging & Scaffol	08/15/2018
DOB NOW	Sidewalk Shed	Signed-off	Powers Bridging & Scaffol	08/08/2018
DOB NOW	Supported Scaffold	Permit Issued	Powers Bridging & Scaffol	08/03/2018
BIS	PL	ISSUED	R & G Mechanical	03/06/2026
BIS	PL	ISSUED	Bent Mechanical	07/31/2025
BIS	—	ISSUED	Bent Mechanical	03/12/2025
BIS	—	ISSUED	Bent Mechanical	05/03/2024
BIS	PL	ISSUED	Bent Mechanical	05/03/2024
BIS	PL	ISSUED	Bent Mechanical	06/23/2023
BIS	—	ISSUED	Bent Mechanical	06/22/2023
BIS	PL	ISSUED	Bent Mechanical	06/24/2022
BIS	—	ISSUED	Nika Contracting Group Co	06/08/2022
BIS	OT	ISSUED	Nika Contracting Group Co	06/08/2022
BIS	OT	ISSUED	Nika Contracting Group Co	11/29/2021
BIS	—	ISSUED	Nika Contracting Group Co	10/14/2021
BIS	OT	ISSUED	Nika Contracting Group Co	10/15/2020
BIS	OT	ISSUED	Bent Mechanical	01/14/2019
BIS	PL	ISSUED	Bent Mechanical	01/14/2019
BIS	OT	ISSUED	Damo Construction Co	06/27/2018
BIS	OT	ISSUED	Damo Construction Co	06/15/2018
BIS	OT	ISSUED	Bent Mechanical	01/25/2018
BIS	PL	ISSUED	Bent Mechanical	01/25/2018
BIS	MH	ISSUED	Damo Construction Co	09/20/2012
BIS	PL	ISSUED	Metro	06/15/2012
BIS	MH	ISSUED	Damo Construction Co	06/14/2012
BIS	OT	ISSUED	Damo Construction Co	02/24/2012

4 projects · most recent 01/24/2026

General Wiring

Filed	Status	Contractor	Scope
01/24/2026	Complete	Epic Electric	General Wiring
12/07/2023	Complete	Top Notch Electrical	General Wiring
06/23/2023	Permit Issued	Top Notch Electrical	General Wiring
08/06/2018	Complete	Optimal Electric	—

2 projects · most recent 08/14/2018

Fence Scaffold

Filed	Status	Contractor	Scope
08/14/2018	Permit Issued	Powers Bridging & Scaffol	Fence
08/03/2018	Permit Issued	Powers Bridging & Scaffol	Scaffold

▾Field Inspections (DOB CAP) — 2

Date	Type	Result	Report
11/06/2024	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
11/04/2024	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 4

Date	Requirement	Inspector	Role
03/24/2023	Fire-Resistant Penetrations and Joints	Jose Santos	special
03/10/2023	Sprinkler Systems	William Ryan	special
11/03/2022	Mechanical Systems	William Ryan	special
11/03/2022	Final	William Ryan	progress

▾Documents — 164 on file (BIS + DOB NOW)

▸Plans & Drawings5

▸DOB NOWPlans/Sketch5

09/06/2026M00066628-I1Request digital key ↗

09/06/2026M00066624-I1Request digital key ↗

09/06/2026M00066631-I1Request digital key ↗

Showing 3 of 5 on file for this type

▸Applications & Permits36

▸BISPLAN / WORK APPROVAL APPLICATION20

09/29/2025121187919Open ↗

08/28/2025121187919Open ↗

05/20/2025121187919Open ↗

Showing 3 of 20 on file for this type

▸BISWORK PERMIT APPLICATION16

06/22/2023121187919Open ↗

05/25/2023121187919Open ↗

06/24/2022121187919Open ↗

Showing 3 of 16 on file for this type

▸Zoning, Tax Lot & Property Records4

▸BISZONING DIAGRAM1

03/22/2019121187919Open ↗

▸BISFLOOD ZONE DESIGN CERTIFICATION1

12/14/2018121187919Open ↗

▸BISZONING EXHIBIT I: CERTIFICATION1

03/25/2019121187919Open ↗

▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1

03/25/2019121187919Open ↗

▸Seals & Professional Certifications20

▸BISTECHNICAL REPORT: RESPONSIBILITY-CERTIFICATION5

05/02/2012121054642Open ↗

02/09/2012120967294Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature5

09/06/2026M00066628-I1Open ↗

08/13/2026M00066624-I1Open ↗

08/13/2026M08034248-I1Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature3

08/27/2026M08034248-I1Open ↗

08/23/2026M00842203-I1Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION2

06/14/2018140771591Open ↗

01/19/2018140729816Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT2

06/14/2018140771591Open ↗

01/19/2018140729816Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY2

06/14/2018140771591Open ↗

01/19/2018140729816Open ↗

▸DOB NOWProgress Inspector Seal & Signature1

08/27/2026M08034248-I1Open ↗

▸Trade Schedules & Equipment12

▸BISSCHEDULE B - PLUMBING11

09/29/2025121187919Open ↗

05/20/2025121187919Open ↗

11/20/2024121187919Open ↗

Showing 3 of 11 on file for this type

▸BISSELF-CERT PLUMBING NOTICE1

10/17/2012121054642Open ↗

▸Safety & Tenant Protection2

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

02/27/2012120967294Open ↗

▸BISSTREET TREE CHECKLIST1

01/10/2019121187919Open ↗

▸Environmental & Asbestos11

▸BISASBESTOS: CERTIFICATION (DEP ACP5)5

03/22/2019121187919Open ↗

06/14/2018140771591Open ↗

01/19/2018140729816Open ↗

Showing 3 of 5 on file for this type

▸BISTHIS IS NOT AN ASBESTOS PROJECT3

05/24/2012121054642Open ↗

02/09/2012120967294Open ↗

05/03/2012121054633Open ↗

▸BISACP5 ASBESTOS: CERTIFICATION (DEP ACP5)1

09/18/2012121054633Open ↗

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1

06/28/2011120736098Open ↗

▸DOB NOWDEP ACP-5: Asbestos Assessment Report1

09/06/2026M00066628-I1Open ↗

▸Energy Compliance11

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY4

05/15/2023140771591Open ↗

12/14/2018121187919Open ↗

06/14/2018140771591Open ↗

Showing 3 of 4 on file for this type

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS2

06/14/2018140771591Open ↗

01/19/2018140729816Open ↗

▸BISTR8: Energy Code Progress Inspections2

05/31/2012121054642Open ↗

02/09/2012120967294Open ↗

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1

06/13/2019121187919Open ↗

▸BISAS-BUILT ENERGY ANALYSIS1

05/15/2023140771591Open ↗

▸BISTECHNICAL REPORT: ENERGY1

06/28/2011120736098Open ↗

▸Inspections & Test Reports4

▸BISTECHNICAL REPORT: RESPONSIBILITY4

05/15/2023140771591Open ↗

01/10/2019121187919Open ↗

06/14/2018140771591Open ↗

Showing 3 of 4 on file for this type

▸Approvals, Objections & Sign-offs10

▸BISADMINISTRATIVE OBJECTIONS3

05/23/2012121054633Open ↗

05/02/2012121054642Open ↗

02/09/2012120967294Open ↗

▸BISSUPERSEDING LETTER3

06/22/2023121187919Open ↗

10/09/2021121187919Open ↗

10/16/2020140771591Open ↗

▸BISLETTERS - SUPPORTING DOCUMENTATION2

06/22/2023121187919Open ↗

01/10/2019121187919Open ↗

▸BISSCHEDULE A - OCCUPANCY / USE2

03/19/2019121187919Open ↗

03/18/2019121187919Open ↗

▸Cost, Insurance & Ownership15

▸BISCOST AFFIDAVIT12

05/15/2023140771591Open ↗

01/10/2019121187919Open ↗

06/14/2018140771591Open ↗

Showing 3 of 12 on file for this type

▸BISHIC LICENSE OR AFFIDAVIT3

06/22/2023121187919Open ↗

10/09/2021121187919Open ↗

01/25/2018140729816Open ↗

▸Filing & Intake Forms24

▸BISBOROUGH INTAKE FORM10

06/22/2023121187919Open ↗

06/06/2023121187919Open ↗

05/25/2023121187919Open ↗

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▸BISADDITIONAL INFORMATION8

02/25/2020140771591Open ↗

01/09/2020121187919Open ↗

12/19/2019140771591Open ↗

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▸BISEFILING COVER SHEET4

05/03/2012121054633Open ↗

05/02/2012121054642Open ↗

02/09/2012120967294Open ↗

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▸BISEFILING JOB APPLICATION COVER SHEET2

06/14/2018140771591Open ↗

01/19/2018140729816Open ↗

▸Other Documents10

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION8

12/02/2021140771591Open ↗

10/09/2021121187919Open ↗

Showing 3 of 8 on file for this type

▸BISPLOT DIAGRAM2

01/10/2019121187919Open ↗

12/14/2018121187919Open ↗