Locations of Work

ArchitectureStructuralMechanicalPlumbingFire Protection

Roof8p · 2 filings · 20 docs

Bulkhead1p · 1 filing · 16 docs

Floor 611p · 2 filings · 20 docs

Floor 56p · 2 filings · 20 docs

Floor 43p · 1 filing · 20 docs

Floor 34p · 1 filing · 20 docs

Floor 28p · 2 filings · 20 docs

Floor 15p · 2 filings · 20 docs

Cellar7p · 3 filings · 20 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
SAFE-SHIELD ENTERPRISES	4	07/08/2026
LXC CONSTRUCTION	1	03/22/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
05/20/2022	$998K	—	Private party → 921 WU INC	$523/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
HTX BUILDING CONSULTING INC	12	01/20/2026
INDETAIL ARCHITECTURAL AND ENGIN	3	11/18/2024
ASHRAF CORP	1	09/07/2024

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
HTX BUILDING CONSULTING	15	03/21/2026
DANICO SERVICES	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
LXC CONSTRUCTION INC	General Contractor	23	07/08/2026
AMC PLBG, HTG & CLNG, INC	Plumbing	3	07/08/2026
FLINT MECHANICAL CORP	Fire Protection	1	07/08/2026
HF GROUP PLMBG & SPNKLER	Fire Protection	1	07/08/2026
SAFE-SHEILD ENTERPRISE IN	General Contractor	1	07/08/2026
QMB PLUMBING & HEATING INC	Plumbing	1	06/28/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
SD TESTING & INSPECTION S	7010	13	01/20/2026

Building Lifecycle

All (144)Filed (16)Permit Issued (18)Signed Off (7)Violation (2)Inspection (13)Objection (58)Special Inspection (30)

08/28/2026

Signed off — ALT-CO - New Building with Existing Elements to Remain

STRUCTURAL AND FOUNDATION WORKS FOR A PROPOSED 6-STORY MIX USED BUILDING WITH PENTHOUSE

B00754901-S1

07/31/2026

Signed off — ALT-CO - New Building with Existing Elements to Remain

STRUCTURAL AND FOUNDATION WORKS FOR A PROPOSED 6-STORY MIX USED BUILDING WITH PENTHOUSE

B00754901-S3

07/24/2026

Signed off — Alteration

File BL WORK TYPE IN CONJUCTION WITH ALT1 JOB# B00754901

B01204186-I1

07/22/2026

Signed off — Alteration

FIle PL permit for SD 1 and 2 inspection , no change in use, egress or occupancy

B01234055-I1

05/07/2026

Inspection — Certified Gas-Gas-Piping-Roughing

Certified

View inspection ↗

05/07/2026

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

Certified

View inspection ↗

05/07/2026

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

Certified

View inspection ↗

05/05/2026

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

Certified

View inspection ↗

05/05/2026

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

04/21/2026

Permit issued — Plumbing

B00754901-S3-EW-SP

03/31/2026

Signed off — Alteration

B00814563-I1

03/31/2026

Signed off — ALT-CO - New Building with Existing Elements to Remain

STRUCTURAL AND FOUNDATION WORKS FOR A PROPOSED 6-STORY MIX USED BUILDING WITH PENTHOUSE

B00754901-S2

02/27/2026

Permit issued — Support of Excavation

B00754901-S2-SE

02/05/2026

Special inspection requirement — Protection of exposed foundation insulation

XIUCHENG LI

02/05/2026

Special inspection requirement — Footing and Foundation

XIUCHENG LI

02/05/2026

Special inspection requirement — Structural Cold-Formed Steel

XIUCHENG LI

02/05/2026

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

XIUCHENG LI

02/05/2026

Special inspection requirement — Masonry

XIUCHENG LI

02/05/2026

Special inspection requirement — Final

XIUCHENG LI

02/05/2026

Special inspection requirement — Concrete - Cast-In-Place

XIUCHENG LI

02/05/2026

Special inspection requirement — Underpinning

XIUCHENG LI

02/05/2026

Special inspection requirement — Air barrier - visual inspection

XIUCHENG LI

02/05/2026

Special inspection requirement — Fenestration air leakage

XIUCHENG LI

02/05/2026

Special inspection requirement — Structural Steel - Welding

XIUCHENG LI

02/05/2026

Special inspection requirement — Structural Steel - Details

XIUCHENG LI

02/05/2026

Special inspection requirement — Insulation placement and R values

XIUCHENG LI

02/05/2026

Special inspection requirement — Fenestration areas

XIUCHENG LI

02/05/2026

Special inspection requirement — Structural Steel - High Strength Bolting

XIUCHENG LI

02/05/2026

Special inspection requirement — Structural Stability – Alterations of existing buildings

XIUCHENG LI

02/05/2026

Special inspection requirement — Subgrade Inspections

XIUCHENG LI

02/05/2026

Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing

XIUCHENG LI

01/28/2026

Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation

XIUCHENG LI

01/28/2026

Special inspection requirement — Heating Systems

XIUCHENG LI

01/28/2026

Special inspection requirement — Shutoff dampers

XIUCHENG LI

01/28/2026

Special inspection requirement — Interior lighting power

XIUCHENG LI

01/28/2026

Special inspection requirement — Insulation placement and R values

XIUCHENG LI

01/28/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

XIUCHENG LI

01/28/2026

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

XIUCHENG LI

01/28/2026

Special inspection requirement — Protection of exposed foundation insulation

XIUCHENG LI

01/28/2026

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

XIUCHENG LI

01/28/2026

Special inspection requirement — Exterior lighting power

XIUCHENG LI

01/28/2026

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

XIUCHENG LI

01/28/2026

Special inspection requirement — Lighting in dwelling units

XIUCHENG LI

01/22/2026

Objection resolved — Addressed

01/21/2026

Objection resolved — Addressed

01/20/2026

Filed — ALT-CO - New Building with Existing Elements to Remain

STRUCTURAL AND FOUNDATION WORKS FOR A PROPOSED 6-STORY MIX USED BUILDING WITH PENTHOUSE

B00754901-P7

11/17/2025

Objection raised — Other

10/16/2025

Objection raised — Other

09/24/2025

Filed — ALT-CO - New Building with Existing Elements to Remain

STRUCTURAL AND FOUNDATION WORKS FOR A PROPOSED 6-STORY MIX USED BUILDING WITH PENTHOUSE

B00754901-P6

09/15/2025

Filed — Alteration

File BL WORK TYPE IN CONJUCTION WITH ALT1 JOB# B00754901

B01204186-P1

09/10/2025

Inspection — Pass-Final Boiler Equipment Inspection

Pass

View inspection ↗

08/29/2025

Inspection — Certified Sprinkler-SP-Fixtures-Finish

Certified

View inspection ↗

08/27/2025

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

Certified

View inspection ↗

08/01/2025

Permit issued — Plumbing

B00754901-S3-EW-SP

06/16/2025

Violation issued (ECB, closed)

Construction

06/09/2025

Inspection — Pass-Final House Connection

Pass

View inspection ↗

06/04/2025

Permit issued — Plumbing

B01234055-I1-PL

06/02/2025

Filed — Alteration

FIle PL permit for SD 1 and 2 inspection , no change in use, egress or occupancy

B01234055-I1

05/29/2025

Permit issued — Boiler Equipment

B01204186-I1-BE

05/28/2025

Signed off — Alteration

HEAVYDUTY SIDEWALK SHED IN ORDER TO DO A VERTICAL EXTENSION AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. SIDEWALK SHED SHALL COMPLY WITH CHAPTER 33 OF THE 2022 NYC BUILDING CODE.

B01107625-I1

Latest 60 of 144 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Signed-off	HF GROUP PLMBG & SPNKLER	04/21/2026
DOB NOW	Support of Excavation	Signed-off	LXC CONSTRUCTION INC	02/27/2026
DOB NOW	Plumbing	Signed-off	BLETSAS P&H CORP	08/01/2025
DOB NOW	Plumbing	Signed-off	QMB PLUMBING & HEATING INC	06/04/2025
DOB NOW	Boiler Equipment	Signed-off	AMC PLBG, HTG & CLNG, INC	05/29/2025
DOB NOW	Earth Work	Signed-off	LXC CONSTRUCTION INC	05/20/2025
DOB NOW	General Construction	Permit Issued	LXC CONSTRUCTION INC	05/19/2025
DOB NOW	Plumbing	Signed-off	AMC PLBG, HTG & CLNG, INC	05/06/2025
DOB NOW	Construction Fence	Signed-off	LXC CONSTRUCTION INC	10/04/2024
DOB NOW	Sidewalk Shed	Signed-off	SAFE-SHEILD ENTERPRISE IN	09/09/2024
DOB NOW	Mechanical Systems	Permit Issued	LXC CONSTRUCTION INC	05/21/2024
DOB NOW	Foundation	Signed-off	LXC CONSTRUCTION INC	05/21/2024
DOB NOW	Support of Excavation	Signed-off	LXC CONSTRUCTION INC	05/15/2024
DOB NOW	Foundation	Signed-off	LXC CONSTRUCTION INC	03/01/2024
DOB NOW	Sprinklers	Signed-off	AMC PLBG, HTG & CLNG, INC	01/04/2024
DOB NOW	Construction Fence	Signed-off	LXC CONSTRUCTION INC	10/06/2023
DOB NOW	General Construction	Permit Issued	LXC CONSTRUCTION INC	10/05/2023
DOB NOW	Support of Excavation	Signed-off	LXC CONSTRUCTION INC	10/05/2023

1 project · most recent 01/20/2026

Heating and Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
01/20/2026	Signed-off	LXC CONSTRUCTION INC	Heating and Air Conditioning Systems	Heat / Cool Fujitsu AOU24RLXFZ 2 tons · Condensing Unit ×18 Gree 4LIV24HP230V1A0 (COOLING @22000 BTU , HEATING @24000 BTU) 22,000 BTU · Condensing Unit ×4

2 projects · most recent 01/20/2026

Storm Gas Water/Sanitary

Filed	Status	Contractor	Scope
01/20/2026	Signed-off	AMC PLBG, HTG & CLNG, INC	Gas, Storm, Water/Sanitary
06/02/2025	Signed-off	NYC MAINMAN CORP	Storm

2 projects · most recent 01/06/2026

Filed	Status	Contractor	Scope
01/06/2026	Complete	GOODALL ELECTRIC CORP	12 meters, 12 new_meters
02/12/2025	Complete	KJK ELECTRIC INC	—

1 project · most recent 01/20/2026

Steel Concrete Masonry

Filed	Status	Contractor	Scope
01/20/2026	Signed-off	HF GROUP PLMBG & SPNKLER	Steel, Concrete, Masonry

▾Field Inspections (DOB CAP) — 13

Date	Type	Result	Report
05/07/2026	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
05/07/2026	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
05/07/2026	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗
05/05/2026	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
05/05/2026	Pass-Final CND-Occupancy Inspection	Pass	View ↗
09/10/2025	Pass-Final Boiler Equipment Inspection	Pass	View ↗
08/29/2025	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
08/27/2025	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
06/09/2025	Pass-Final House Connection	Pass	View ↗
05/02/2025	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
05/02/2025	Certified Storm Drainage-ST-Piping-Underground	Certified	View ↗
05/02/2025	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
05/02/2025	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 120

Date	Requirement	Inspector	Role
02/05/2026	Footing and Foundation	XIUCHENG LI	progress
02/05/2026	Structural Cold-Formed Steel	XIUCHENG LI	special
02/05/2026	Underpinning	XIUCHENG LI	special
02/05/2026	Excavations - Sheeting, Shoring, and Bracing	XIUCHENG LI	special
02/05/2026	Subgrade Inspections	XIUCHENG LI	special
02/05/2026	Concrete - Cast-In-Place	XIUCHENG LI	special
02/05/2026	Structural Stability – Alterations of existing buildings	XIUCHENG LI	special
02/05/2026	Structural Steel - High Strength Bolting	XIUCHENG LI	special
02/05/2026	Masonry	XIUCHENG LI	special
02/05/2026	Structural Steel - Welding	XIUCHENG LI	special
02/05/2026	Structural Steel - Details	XIUCHENG LI	special
02/05/2026	Protection of exposed foundation insulation	XIUCHENG LI	energy_progress
02/05/2026	Fenestration and door U-factor and product ratings	XIUCHENG LI	energy_progress
02/05/2026	Fenestration air leakage	XIUCHENG LI	energy_progress
02/05/2026	Insulation placement and R values	XIUCHENG LI	energy_progress
02/05/2026	Fenestration areas	XIUCHENG LI	energy_progress
02/05/2026	Air barrier - visual inspection	XIUCHENG LI	energy_progress
02/05/2026	Final	XIUCHENG LI	progress
01/28/2026	Fire-Resistance Rated Construction	XIUCHENG LI	progress
01/28/2026	Final	XIUCHENG LI	progress
01/28/2026	Energy Code Compliance Inspections	XIUCHENG LI	progress
01/28/2026	Structural Stability – Alterations of existing buildings	XIUCHENG LI	special
01/28/2026	Masonry	XIUCHENG LI	special
01/28/2026	Mechanical Systems	XIUCHENG LI	special
01/28/2026	Fire-Resistant Penetrations and Joints	XIUCHENG LI	special

Latest 25 of 120.

▾Documents — 192 on file (BIS + DOB NOW)

▸Plans & Drawings14

▸DOB NOWPlans/Sketch14

08/27/2026B00814563-I1Request digital key ↗

08/27/2026B00754901-S3Request digital key ↗

08/27/2026B00754901-P7Request digital key ↗

Showing 3 of 14 on file for this type

▸Applications & Permits2

▸BISBPP-5 - Authorization to the Department of Transportation1

02/02/2024340878170Open ↗

▸BISPLAN / WORK APPROVAL APPLICATION1

02/02/2024340878170Open ↗

▸Zoning, Tax Lot & Property Records9

▸DOB NOWZoning Exhibit form (1-5)4

08/27/2026B00754901-P4Open ↗

08/27/2026B00754901-I1Open ↗

08/15/2026B00754901-P3Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWZD1: DOB Zoning Diagram4

08/27/2026B00754901-P4Open ↗

08/27/2026B00754901-I1Open ↗

08/15/2026B00754901-P3Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWHouse Number Verification: TOPO Stamp1

08/27/2026B00754901-I1Open ↗

▸Seals & Professional Certifications117

▸DOB NOWProgress Inspector Seal & Signature59

09/23/2026B01204186-I1Open ↗

08/29/2026B00754901-I1Open ↗

Showing 3 of 59 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature42

09/23/2026B01204186-I1Open ↗

08/29/2026B00754901-I1Open ↗

Showing 3 of 42 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature14

08/27/2026B00814563-I1Open ↗

08/27/2026B00754901-P7Open ↗

08/27/2026B00754901-P6Open ↗

Showing 3 of 14 on file for this type

▸BISAPPLICANT OWNER SIGNATURE1

02/02/2024340878170Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

02/02/2024340878170Open ↗

▸Trade Schedules & Equipment8

▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)8

08/27/2026B00754901-P4Open ↗

08/27/2026B00754901-P2Open ↗

08/27/2026B00754901-I1Open ↗

Showing 3 of 8 on file for this type

▸Safety & Tenant Protection6

▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan2

08/27/2026B00754901-I1Open ↗

08/14/2026B00754901-S1Open ↗

▸DOB NOWStreet Tree Sign Off2

08/27/2026B00754901-I1Open ↗

08/14/2026B00754901-S1Open ↗

▸BISBPP: STREET TREES SITE PLAN1

02/02/2024340878170Open ↗

▸DOB NOWStreet Trees Site Plan1

08/27/2026B00754901-I1Open ↗

▸Environmental & Asbestos9

▸DOB NOWDEP ACP-5: Asbestos Assessment Report9

08/27/2026B00754901-P7Open ↗

08/27/2026B00754901-P5Open ↗

08/27/2026B00754901-P4Open ↗

Showing 3 of 9 on file for this type

▸Energy Compliance1

▸DOB NOWEN2: As Built Energy Analysis1

08/27/2026B00754901-I1Open ↗

▸Filing & Intake Forms2

▸BISEFILING JOB APPLICATION COVER SHEET1

02/02/2024340878170Open ↗

▸BISADDITIONAL INFORMATION1

02/02/2024340878170Open ↗

▸Other Documents24

▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone8

08/27/2026B00754901-P4Open ↗

08/27/2026B00754901-P2Open ↗

08/27/2026B00754901-I1Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWSite Survey: Initial8

08/27/2026B00754901-P4Open ↗

08/27/2026B00754901-P2Open ↗

08/27/2026B00754901-I1Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWProperty Ownership Certification4

08/27/2026B00754901-P4Open ↗

08/27/2026B00754901-I1Open ↗

08/15/2026B00754901-P3Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWAdjoining Owners Notification2

08/14/2026B00754901-S1Open ↗

08/13/2026B00754901-S2Open ↗

▸BISBPP - SUPPORTING DOCUMENTATION1

02/02/2024340878170Open ↗

▸DOB NOWFinal Survey1

08/27/2026B00754901-I1Open ↗