QUEENS

Alchemy Condominium

50-09 5 STREET · BIN 4624932

💬 Discuss this project

—Year Built

—Stories

—Building Class

—Zoning

—Gross Floor Area

—Units

0 Open ViolationsFDNY Report ↗

Flood zone AE

Locations of Work

ArchitectureStructuralMechanical

Floor 361p · 1 filing · 20 docs

Floor 266p · 1 filing · 20 docs

Floor 166p · 1 filing · 20 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
BK DEVELOPERS	42	09/01/2026
PRD GROUP	6	06/27/2026
TOPLINE NYC CONTRACTING	6	06/27/2026
BK BUILDERS	1	03/22/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
02/24/2021	$2.1M	—	Private party → 5007-5009 5TH DEVELOPMENT LLC	— not available

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
ZPROEKT ARCHITECTURE	13	08/17/2026
ENTHINK ENGINEERS LLC	1	01/09/2023
INDRAJEET VAGHA PE	1	11/28/2022
ASHRAF CORP	3	04/21/2022
VERSATILE ENGINEERING, P.C.	7	02/14/2022

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
ADAM BERGMAN CONSTRUCTION AND DEVEL	34	03/21/2026
KD DESIGNS	3	03/21/2026
ADVANCED BUILDERS SERVICES	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
BK BUILDERS LLC	General Contractor	20	06/27/2026
TOPLINE NYC CONTRACTING	General Contractor	7	06/27/2026
FIREQUEST CORP	Fire Protection	4	06/27/2026
STARLITE PLBG & HTG CORP	Plumbing	2	06/27/2026
DHS FRACO LLC	General Contractor	1	06/27/2026
PRD GROUP INC	General Contractor	1	06/27/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
METRIC CONSULTING AND INS	1803	12	07/13/2026

Building Lifecycle

All (197)Filed (25)Permit Issued (25)Signed Off (12)Violation (8)Inspection (17)Objection (80)Special Inspection (30)

09/02/2026

Objection resolved — Resolved

08/21/2026

Objection raised — Scope

08/17/2026

Filed — Alteration

FILING FOR CURB CUT IN CONJUNCTION WITH Q00479675

Q00893595-P1

07/16/2026

Signed off — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-S3

07/13/2026

Filed — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-A3

03/06/2026

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

09/24/2024

Inspection — Fail-Final Curb Cut Non-Directive 14

Fail

View inspection ↗

04/16/2024

Special inspection requirement — Exterior lighting power

SAMI HAJJAR P.E

04/16/2024

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

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Masonry

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Concrete - Cast-In-Place

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Fire-Resistant Penetrations and Joints

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Seismic Isolation Systems

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Subgrade Inspections

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Energy Code Compliance Inspections

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Lowest Floor Elevation

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Fire-Resistance Rated Construction

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Interior lighting power

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Air barrier - visual inspection

SAMI HAJJAR P.E

04/16/2024

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

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Fenestration areas

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Air barrier — testing

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Insulation placement and R values

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Lighting in dwelling units

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Fenestration air leakage

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Maintenance information

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Protection of exposed foundation insulation

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Lighting controls

SAMI HAJJAR P.E

04/16/2024

Special inspection requirement — Electrical motors and elevators

SAMI HAJJAR P.E

04/05/2024

Filed — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-A2

04/04/2024

Signed off — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-S6

04/04/2024

Signed off — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-S2

04/04/2024

Signed off — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-S4

04/04/2024

Signed off — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-S5

02/02/2024

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

12/27/2023

Filed — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-A1

12/27/2023

Special inspection requirement — Air barrier — testing

SAMI HAJJAR P.E

12/27/2023

Special inspection requirement — Concrete - Cast-In-Place

SAMI HAJJAR P.E

12/27/2023

Special inspection requirement — Fire-Resistant Penetrations and Joints

SAMI HAJJAR P.E

12/27/2023

Special inspection requirement — Masonry

SAMI HAJJAR P.E

12/27/2023

Special inspection requirement — Seismic Isolation Systems

SAMI HAJJAR P.E

12/27/2023

Special inspection requirement — Subgrade Inspections

SAMI HAJJAR P.E

12/27/2023

Special inspection requirement — Energy Code Compliance Inspections

SAMI HAJJAR P.E

12/27/2023

Special inspection requirement — Fire-Resistance Rated Construction

SAMI HAJJAR P.E

12/13/2023

Objection resolved — Addressed

11/29/2023

Inspection — Fail-Final Curb Cut Non-Directive 14

Fail

View inspection ↗

11/29/2023

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

11/15/2023

Inspection — Fail-Final Curb Cut Non-Directive 14

Fail

View inspection ↗

11/15/2023

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

10/30/2023

Inspection — Fail-Final Curb Cut Non-Directive 14

Fail

View inspection ↗

10/13/2023

Objection raised — Scope

10/11/2023

Permit issued — Curb Cut

Q00893595-I1-CC

10/04/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

10/04/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

10/04/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

10/03/2023

Inspection — Certified Sprinkler-Dry Pipe Valve (SP)-Dry Pipe Valve Test

Certified

View inspection ↗

09/26/2023

Inspection — Certified Sprinkler-SP-Fixtures-Finish

Certified

View inspection ↗

09/22/2023

Filed — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-P8

08/25/2023

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

08/24/2023

Signed off — New Building

PROPOSED NEW 6 STORY RESIDENTIAL BUILDING

Q00479675-S8

Latest 60 of 197 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Curb Cut	Permit Issued	BK BUILDERS	10/11/2023
DOB NOW	Sprinklers	Signed-off	FIREQUEST CORP	08/21/2023
DOB NOW	Sprinklers	Signed-off	FIREQUEST CORP	08/09/2023
DOB NOW	Mechanical Systems	Signed-off	BK BUILDERS	03/03/2023
DOB NOW	Construction Fence	Signed-off	BK BUILDERS	03/02/2023
DOB NOW	General Construction	Permit Issued	BK BUILDERS	03/02/2023
DOB NOW	Plumbing	Signed-off	STARLITE PLBG & HTG CORP	02/02/2023
DOB NOW	Sprinklers	Signed-off	FIREQUEST CORP	01/30/2023
DOB NOW	Protection and Mechanical Methods	Signed-off	TOPLINE NYC CONTRACTING	01/09/2023
DOB NOW	Supported Scaffold	Signed-off	TOPLINE NYC CONTRACTING	11/29/2022
DOB NOW	Sidewalk Shed	Signed-off	TOPLINE NYC CONTRACTING	11/29/2022
DOB NOW	Structural	Signed-off	BK BUILDERS	10/24/2022
DOB NOW	General Construction	Permit Issued	BK BUILDERS	10/20/2022
DOB NOW	Mechanical Systems	Signed-off	BK BUILDERS	09/20/2022
DOB NOW	Supported Scaffold	Signed-off	DHS FRACO	04/22/2022
DOB NOW	Construction Fence	Signed-off	BK BUILDERS	03/31/2022
DOB NOW	Earth Work	Signed-off	BK BUILDERS	03/22/2022
DOB NOW	Sidewalk Shed	Signed-off	PRD GROUP INC	03/04/2022
DOB NOW	Sprinklers	Signed-off	FIREQUEST CORP	02/25/2022
DOB NOW	Plumbing	Signed-off	STARLITE PLBG & HTG CORP	02/25/2022
DOB NOW	Structural	Signed-off	BK BUILDERS	11/17/2021
DOB NOW	Foundation	Signed-off	BK BUILDERS	11/17/2021
DOB NOW	Mechanical Systems	Signed-off	BK BUILDERS	10/28/2021
DOB NOW	Support of Excavation	Signed-off	BK BUILDERS	10/28/2021
DOB NOW	Construction Fence	Signed-off	BK BUILDERS	04/05/2021
BIS	EQ	ISSUED	CANDID CONNECTION INC	04/07/2022

4 projects · most recent 08/30/2023

General Wiring

Filed	Status	Contractor	Scope
08/30/2023	Complete	FOREST BROOK ELEC'L CONTR	General Wiring
12/01/2022	Complete	RICHARD NEU	—
09/22/2022	Complete	STAR ELEC'L CONTRACTORS C	—
11/18/2021	Complete	FOREST BROOK ELEC'L CONTR	General Wiring

1 project · most recent 07/13/2026

Steel Concrete Masonry

Filed	Status	Contractor	Scope
07/13/2026	Signed-off	FIREQUEST CORP	Steel, Concrete, Masonry

1 project · most recent 07/13/2026

Fence

Filed	Status	Contractor	Scope
07/13/2026	Signed-off	FIREQUEST CORP	Fence

▾Field Inspections (DOB CAP) — 17

Date	Type	Result	Report
03/06/2026	Pass-Final CND-Occupancy Inspection	Pass	View ↗
09/24/2024	Fail-Final Curb Cut Non-Directive 14	Fail	View ↗
02/02/2024	Pass-Final CND-Occupancy Inspection	Pass	View ↗
11/29/2023	Fail-Final Curb Cut Non-Directive 14	Fail	View ↗
11/29/2023	Pass-Final CND-Occupancy Inspection	Pass	View ↗
11/15/2023	Fail-Final Curb Cut Non-Directive 14	Fail	View ↗
11/15/2023	Pass-Final CND-Occupancy Inspection	Pass	View ↗
10/30/2023	Fail-Final Curb Cut Non-Directive 14	Fail	View ↗
10/03/2023	Certified Sprinkler-Dry Pipe Valve (SP)-Dry Pipe Valve Test	Certified	View ↗
09/26/2023	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
08/25/2023	Pass-Final CND-Occupancy Inspection	Pass	View ↗
08/21/2023	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
03/16/2023	Pass-Final CND-Occupancy Inspection	Pass	View ↗
12/14/2022	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
04/28/2022	Certified Storm Drainage-ST-Piping-Underground	Certified	View ↗
04/28/2022	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗
03/07/2022	Pass-Final House Connection	Pass	View ↗

▾Special Inspection Requirements (DOB NOW) — 55

Date	Requirement	Inspector	Role
04/16/2024	Exterior lighting power	SAMI HAJJAR P.E	energy_progress
04/16/2024	HVAC-R and service water piping design and insulation	SAMI HAJJAR P.E	energy_progress
04/16/2024	Masonry	SAMI HAJJAR P.E	special
04/16/2024	Concrete - Cast-In-Place	SAMI HAJJAR P.E	special
04/16/2024	Fire-Resistant Penetrations and Joints	SAMI HAJJAR P.E	special
04/16/2024	Seismic Isolation Systems	SAMI HAJJAR P.E	special
04/16/2024	Subgrade Inspections	SAMI HAJJAR P.E	special
04/16/2024	Energy Code Compliance Inspections	SAMI HAJJAR P.E	progress
04/16/2024	Lowest Floor Elevation	SAMI HAJJAR P.E	progress
04/16/2024	Fire-Resistance Rated Construction	SAMI HAJJAR P.E	progress
04/16/2024	Interior lighting power	SAMI HAJJAR P.E	energy_progress
04/16/2024	Air barrier - visual inspection	SAMI HAJJAR P.E	energy_progress
04/16/2024	Fenestration and door U-factor and product ratings	SAMI HAJJAR P.E	energy_progress
04/16/2024	Fenestration areas	SAMI HAJJAR P.E	energy_progress
04/16/2024	Air barrier — testing	SAMI HAJJAR P.E	energy_progress
04/16/2024	Insulation placement and R values	SAMI HAJJAR P.E	energy_progress
04/16/2024	Lighting in dwelling units	SAMI HAJJAR P.E	energy_progress
04/16/2024	Fenestration air leakage	SAMI HAJJAR P.E	energy_progress
04/16/2024	Maintenance information	SAMI HAJJAR P.E	energy_progress
04/16/2024	Protection of exposed foundation insulation	SAMI HAJJAR P.E	energy_progress
04/16/2024	Lighting controls	SAMI HAJJAR P.E	energy_progress
04/16/2024	Electrical motors and elevators	SAMI HAJJAR P.E	energy_progress
12/27/2023	Air barrier — testing	SAMI HAJJAR P.E	energy_progress
12/27/2023	Concrete - Cast-In-Place	SAMI HAJJAR P.E	special
12/27/2023	Fire-Resistant Penetrations and Joints	SAMI HAJJAR P.E	special

Latest 25 of 55.

▾Documents — 223 on file (BIS + DOB NOW)

▸Plans & Drawings25

▸DOB NOWPlans/Sketch25

08/27/2026Q00479675-P5Request digital key ↗

08/27/2026Q00479675-S3Request digital key ↗

08/27/2026Q00479675-S4Request digital key ↗

Showing 3 of 25 on file for this type

▸Applications & Permits5

▸BISPLAN / WORK APPROVAL APPLICATION3

01/24/2024421838792Open ↗

06/13/2023440787873Open ↗

03/24/2022440710054Open ↗

▸BISBPP-5 - Authorization to the Department of Transportation1

07/19/2023440787873Open ↗

▸BISWORK PERMIT APPLICATION1

04/07/2022440710054Open ↗

▸Zoning, Tax Lot & Property Records13

▸DOB NOWZD1: DOB Zoning Diagram8

08/27/2026Q00479675-A3Open ↗

08/13/2026Q00479675-A2Open ↗

08/13/2026Q00479675-A1Open ↗

Showing 3 of 8 on file for this type

▸BISTAX LOT: TENTATIVE LOT NUMBER ISSUED1

09/15/2023421838792Open ↗

▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1

09/18/2023421838792Open ↗

▸BISFLOOD ZONE COMPLIANCE1

07/22/2025440710054Open ↗

▸BISFLOOD ZONE DESIGN CERTIFICATION1

03/24/2022440710054Open ↗

▸DOB NOWHouse Number Verification: TOPO Stamp1

08/13/2026Q00479675-I1Open ↗

▸Seals & Professional Certifications107

▸DOB NOWProgress Inspector Seal & Signature57

09/01/2026Q00479675-S6Open ↗

09/01/2026Q00675191-I1Open ↗

Showing 3 of 57 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature26

08/27/2026Q00479675-I1Open ↗

08/27/2026Q00479675-S6Open ↗

08/27/2026Q00479675-S8Open ↗

Showing 3 of 26 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature20

09/01/2026Q00675191-I1Open ↗

08/25/2026Q00479675-A1Open ↗

Showing 3 of 20 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT1

03/24/2022440710054Open ↗

▸BISAPPLICANT OWNER SIGNATURE1

06/13/2023440787873Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

03/24/2022440710054Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1

03/24/2022440710054Open ↗

▸Trade Schedules & Equipment7

▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)7

08/13/2026Q00479675-P9Open ↗

08/13/2026Q00479675-I1Open ↗

08/13/2026Q00479675-P8Open ↗

Showing 3 of 7 on file for this type

▸Safety & Tenant Protection12

▸DOB NOWStreet Tree Checklist7

08/27/2026Q00479675-P4Open ↗

08/27/2026Q00479675-P5Open ↗

08/27/2026Q00479675-A1Open ↗

Showing 3 of 7 on file for this type

▸BISSTREET TREE CHECKLIST1

06/13/2023440787873Open ↗

▸BISSTREET TREE SIGNOFF1

09/11/2024440787873Open ↗

▸BISSTREET TREES SITE PLAN1

09/11/2024440787873Open ↗

▸DOB NOWStreet Trees Site Plan1

08/13/2026Q00479675-I1Open ↗

▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1

08/13/2026Q00479675-I1Open ↗

▸Energy Compliance2

▸DOB NOWEN2: As Built Energy Analysis.2

08/27/2026Q00479675-S3Open ↗

08/13/2026Q00479675-I1Open ↗

▸Inspections & Test Reports2

▸BISTECHNICAL REPORT: RESPONSIBILITY2

06/13/2023440787873Open ↗

03/24/2022440710054Open ↗

▸Approvals, Objections & Sign-offs5

▸BISLETTERS - SUPPORTING DOCUMENTATION3

06/13/2023440787873Open ↗

▸BISFINAL1

07/22/2025440710054Open ↗

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1

07/29/2025440710054Open ↗

▸Cost, Insurance & Ownership8

▸BISDEPT OF FINANCE VERIFICATION3

09/15/2023421838792Open ↗

09/14/2023421838792Open ↗

▸BISCOST AFFIDAVIT2

07/23/2025440710054Open ↗

03/24/2022440710054Open ↗

▸BISCOST AFFIDAVIT (FINAL): PW31

07/22/2025440710054Open ↗

▸DOB NOWCertification by Insurance Broker or Agency1

08/13/2026Q00479675-I1Open ↗

▸DOB NOWCertificate of Insurance1

08/13/2026Q00479675-I1Open ↗

▸Filing & Intake Forms5

▸BISEFILING JOB APPLICATION COVER SHEET2

06/13/2023440787873Open ↗

03/24/2022440710054Open ↗

▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31

07/19/2023440787873Open ↗

▸BISEFILING COVER SHEET1

01/24/2024421838792Open ↗

▸BISADDITIONAL INFORMATION1

07/19/2023440787873Open ↗

▸Other Documents32

▸DOB NOWSite Survey: Initial8

08/27/2026Q00479675-A3Open ↗

08/13/2026Q00479675-A1Open ↗

08/13/2026Q00479675-I1Open ↗

Showing 3 of 8 on file for this type

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

08/27/2026Q00479675-A3Open ↗

08/13/2026Q00479675-P5Open ↗

08/13/2026Q00479675-P9Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWFEMA Elevation Certificate (086-0-33)/Flood Proofing Certificate (086-0-34)6

08/27/2026Q00479675-S3Open ↗

08/13/2026Q00479675-S5Open ↗

08/13/2026Q00479675-S6Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWLowest Floor Elevation Plan6

08/27/2026Q00479675-S2Open ↗

08/27/2026Q00479675-S3Open ↗

08/27/2026Q00479675-S4Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWAdjoining Owners Notification2

08/13/2026Q00675191-I1Open ↗

08/13/2026Q00479675-S8Open ↗

▸DOB NOWFinal Survey1

08/13/2026Q00479675-I1Open ↗

▸DOB NOWAdditional Insured Authorizations1

08/13/2026Q00479675-I1Open ↗