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Alchemy Condominium
50-09 5TH STREET · BIN 4624932
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—Year Built
—Stories
—Building Class
—Zoning
—Gross Floor Area
—Units
0 Active ViolationsFDNY Report ↗
Flood zone AE
Locations of Work
ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionEquipmentLandscapeCivilGeneralOther
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Roof6p · 1 filing · 20 docs
Bulkhead5p · 1 filing · 20 docs
Floor 636p · 1 filing · 20 docs
Floor 5Temporary needle beam installation7p · 1 filing · 2 docs
Floor 4Temporary needle beam installation7p · 1 filing · 2 docs
Floor 351p · 1 filing · 20 docs
Floor 256p · 1 filing · 20 docs
Floor 1Sidewalk bridges and traffic protection117p · 3 filings · 20 docs
CellarBK Developers1 filing · 5 docs
Site & exteriorPipe scaffolding13p · 3 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
BK Developers4310/04/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
02/24/2021$2.1M—Private party → 5007-5009 5TH DEVELOPMENT LLC— not available
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Zproekt Architecture1308/17/2026
Enthink Engineers101/09/2023
Indrajeet Vagha PE111/28/2022
Ashraf304/21/2022
Versatile Engineering702/14/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Adam Bergman Construction and Development3403/21/2026
KD Designs303/21/2026
Expediting103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BK BuildersGeneral Contractor1406/27/2026
Topline NYC ContractingScaffold706/27/2026
BK BuildersScaffold603/21/2026
FirequestFire Protection406/27/2026
Starlite Plumbing & HeatingPlumbing206/27/2026
PRD GroupScaffold106/27/2026
DHS FracoScaffold106/27/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Metric Consulting and Ins18031207/13/2026
Building Lifecycle
All (191)Filed (25)Permit Issued (25)Signed Off (12)Violation (8)Inspection (12)Objection (79)Special Inspection (30)
09/21/2026
Objection raised — Scope
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
07/13/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Masonry
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Fenestration areas
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Exterior lighting power
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Seismic Isolation Systems
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Fire-Resistance Rated Construction
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Lowest Floor Elevation
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Interior lighting power
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Fenestration air leakage
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Electrical motors and elevators
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Lighting in dwelling units
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Energy Code Compliance Inspections
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Subgrade Inspections
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Lighting controls
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Concrete - Cast-In-Place
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Air barrier - visual inspection
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Air barrier — testing
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Insulation placement and R values
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Maintenance information
SAMI HAJJAR P.E
07/13/2026
Special inspection requirement — Protection of exposed foundation insulation
SAMI HAJJAR P.E
03/06/2026
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
04/16/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
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 — Air barrier - visual inspection
SAMI HAJJAR P.E
04/16/2024
Special inspection requirement — Interior 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 — Concrete - Cast-In-Place
SAMI HAJJAR P.E
04/16/2024
Special inspection requirement — Exterior lighting power
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-S5
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
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
12/13/2023
Objection resolved — Addressed
11/29/2023
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
11/15/2023
Inspection — Pass-Final CND-Occupancy Inspection
Pass
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 — Alteration
FILE EARTH WORK IN CONJUNCTION WITH APPROVED APPLICATION # Q00479675
Q00675191-I1
08/24/2023
Signed off — New Building
PROPOSED NEW 6 STORY RESIDENTIAL BUILDING
Q00479675-S8
08/23/2023
Signed off — New Building
PROPOSED NEW 6 STORY RESIDENTIAL BUILDING
Q00479675-S1
08/21/2023
Permit issued — Sprinklers
Q00479675-S4-EW-SP
Latest 60 of 191 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWCurb CutPermit IssuedBK Builders10/11/2023
DOB NOWSprinklersSigned-offFirequest08/21/2023
DOB NOWSprinklersSigned-offFirequest08/09/2023
DOB NOWMechanical SystemsSigned-offBK Builders03/03/2023
DOB NOWConstruction FenceSigned-offBK Builders03/02/2023
DOB NOWGeneral ConstructionPermit IssuedBK Builders03/02/2023
DOB NOWPlumbingSigned-offStarlite Plumbing & Heating02/02/2023
DOB NOWSprinklersSigned-offFirequest01/30/2023
DOB NOWProtection and Mechanical MethodsSigned-offTopline NYC Contracting01/09/2023
DOB NOWSupported ScaffoldSigned-offTopline NYC Contracting11/29/2022
DOB NOWSupported ScaffoldSigned-offTopline NYC Contracting11/29/2022
DOB NOWStructuralSigned-offBK Builders10/24/2022
DOB NOWGeneral ConstructionPermit IssuedBK Builders10/20/2022
DOB NOWMechanical SystemsSigned-offBK Builders09/20/2022
DOB NOWSupported ScaffoldSigned-offDHS Fraco04/22/2022
DOB NOWConstruction FenceSigned-offBK Builders03/31/2022
DOB NOWEarth WorkSigned-offBK Builders03/22/2022
DOB NOWSidewalk ShedSigned-offPRD Group03/04/2022
DOB NOWSprinklersSigned-offFirequest02/25/2022
DOB NOWPlumbingSigned-offStarlite Plumbing & Heating02/25/2022
DOB NOWFoundationSigned-offBK Builders11/17/2021
DOB NOWStructuralSigned-offBK Builders11/17/2021
DOB NOWMechanical SystemsSigned-offBK Builders10/28/2021
DOB NOWSupport of ExcavationSigned-offBK Builders10/28/2021
DOB NOWConstruction FenceSigned-offBK Builders04/05/2021
BISEQISSUEDCandid Connection04/07/2022
4 projects · most recent 08/30/2023
General Wiring
FiledStatusContractorScope
08/30/2023CompleteForest Brook Electrical ContractingGeneral Wiring
12/01/2022CompleteRichard Neu—
09/22/2022CompleteStar Electrical Contractors—
11/18/2021CompleteForest Brook Electrical ContractingGeneral Wiring
1 project · most recent 07/13/2026
Steel Concrete Masonry
FiledStatusContractorScope
07/13/2026Signed-offFirequestSteel, Concrete, Masonry
1 project · most recent 07/13/2026
Fence
FiledStatusContractorScope
07/13/2026Signed-offFirequestFence
▾Field Inspections (DOB CAP) — 12
DateTypeResultReport
03/06/2026Pass-Final CND-Occupancy InspectionPassView ↗
02/02/2024Pass-Final CND-Occupancy InspectionPassView ↗
11/29/2023Pass-Final CND-Occupancy InspectionPassView ↗
11/15/2023Pass-Final CND-Occupancy InspectionPassView ↗
10/03/2023Certified Sprinkler-Dry Pipe Valve (SP)-Dry Pipe Valve TestCertifiedView ↗
09/26/2023Certified Sprinkler-SP-Fixtures-FinishCertifiedView ↗
08/25/2023Pass-Final CND-Occupancy InspectionPassView ↗
08/21/2023Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
12/14/2022Certified Gas-Gas-Piping-RoughingCertifiedView ↗
04/28/2022Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
04/28/2022Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
03/07/2022Pass-Final House ConnectionPassView ↗
▾Special Inspection Requirements (DOB NOW) — 79
DateRequirementInspectorRole
07/13/2026Exterior lighting powerSAMI HAJJAR P.Eenergy_progress
07/13/2026HVAC-R and service water piping design and insulationSAMI HAJJAR P.Eenergy_progress
07/13/2026Lighting controlsSAMI HAJJAR P.Eenergy_progress
07/13/2026Lighting in dwelling unitsSAMI HAJJAR P.Eenergy_progress
07/13/2026Electrical motors and elevatorsSAMI HAJJAR P.Eenergy_progress
07/13/2026Protection of exposed foundation insulationSAMI HAJJAR P.Eenergy_progress
07/13/2026Maintenance informationSAMI HAJJAR P.Eenergy_progress
07/13/2026Fenestration air leakageSAMI HAJJAR P.Eenergy_progress
07/13/2026Insulation placement and R valuesSAMI HAJJAR P.Eenergy_progress
07/13/2026Air barrier — testing SAMI HAJJAR P.Eenergy_progress
07/13/2026Fenestration areasSAMI HAJJAR P.Eenergy_progress
07/13/2026Interior lighting powerSAMI HAJJAR P.Eenergy_progress
07/13/2026Air barrier - visual inspectionSAMI HAJJAR P.Eenergy_progress
07/13/2026Fenestration and door U-factor and product ratingsSAMI HAJJAR P.Eenergy_progress
07/13/2026Lowest Floor ElevationSAMI HAJJAR P.Eprogress
07/13/2026Fire-Resistance Rated ConstructionSAMI HAJJAR P.Eprogress
07/13/2026Energy Code Compliance InspectionsSAMI HAJJAR P.Eprogress
07/13/2026Subgrade InspectionsSAMI HAJJAR P.Especial
07/13/2026Seismic Isolation SystemsSAMI HAJJAR P.Especial
07/13/2026MasonrySAMI HAJJAR P.Especial
07/13/2026Fire-Resistant Penetrations and JointsSAMI HAJJAR P.Especial
07/13/2026Concrete - Cast-In-PlaceSAMI HAJJAR P.Especial
04/16/2024Lighting in dwelling unitsSAMI HAJJAR P.Eenergy_progress
04/16/2024MasonrySAMI HAJJAR P.Especial
04/16/2024Concrete - Cast-In-PlaceSAMI HAJJAR P.Especial
Latest 25 of 79.
▾Documents — 247 on file (BIS + DOB NOW)
▸Plans & Drawings25
▸DOB NOWPlans/Sketch25
08/27/2026Q00479675-S2Request digital key ↗
08/27/2026Q00479675-S1Request digital key ↗
08/27/2026Q00479675-S3Request 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-P9Open ↗
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
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 Certifications131
▸DOB NOWProgress Inspector Seal & Signature76
10/12/2026Q00479675-P2Open ↗
10/12/2026Q00479675-P2Open ↗
10/08/2026Q00479675-A3Open ↗
Showing 3 of 76 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 & Signature25
10/08/2026Q00479675-A3Open ↗
10/08/2026Q00479675-A3Open ↗
10/08/2026Q00479675-A3Open ↗
Showing 3 of 25 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-A2Open ↗
08/13/2026Q00479675-P9Open ↗
08/13/2026Q00479675-I1Open ↗
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
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸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 ↗
06/13/2023440787873Open ↗
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 ↗
09/15/2023421838792Open ↗
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
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸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 NOWLocal Law 92/94 of 2019 Sustainable Roof Zone8
08/27/2026Q00479675-A3Open ↗
08/13/2026Q00479675-P9Open ↗
08/13/2026Q00479675-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWSite Survey: Initial8
08/27/2026Q00479675-A3Open ↗
08/13/2026Q00479675-A2Open ↗
08/13/2026Q00479675-I1Open ↗
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-S6Open ↗
08/13/2026Q00479675-S4Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWLowest Floor Elevation Plan6
08/27/2026Q00479675-S2Open ↗
08/27/2026Q00479675-S4Open ↗
08/27/2026Q00479675-S3Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWAdjoining Owners Notification2
08/13/2026Q00479675-S8Open ↗
08/13/2026Q00675191-I1Open ↗
▸DOB NOWFinal Survey1
08/13/2026Q00479675-I1Open ↗
▸DOB NOWAdditional Insured Authorizations1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type