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City residence, one family
439 SACKETT STREET
BROOKLYN · BIN 3006981
💬 Discuss this project
1900Year Built
2Stories
A4Building Class
R6BZoning
2,100 sfGross Floor Area
1Units
City residence, one family · 2,000 sf lot · 1.05 FAR built · Flood zone X500
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Permit Issued — active, not yet Signed-off
RoofUnder Construction22p · 1 filing · 20 docs
Floor 3Under Construction20p · 1 filing · 20 docs
Floor 2Under Construction11p · 1 filing · 20 docs
Floor 1Under Construction10p · 1 filing · 20 docs
BasementUnder Construction11p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
ALCHEMY CONSULTING303/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/11/2024$3.9M—Private party → Private party$1,857/sf building
07/23/2024$1.9M—— → —$921/sf building
11/29/2017$2.5M—Private party → Private party$1,207/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
PABLO DE MIGUEL212/19/2025
PETRACCA DESIGN AND ENGINEERING, PC306/18/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
CONVERSANO ASSOCIATES, INC.1003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
TOMEK BUILDERS CORPGeneral Contractor309/03/2026
SIMPLE CHOICE PLBG AND HTPlumbing207/08/2026
TOLLOCAN SHEET METAL INCGeneral Contractor109/15/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
MEP INSPECTIONS, INC1102212/19/2025
PETRACCA DESIGN AND ENGIN668412/19/2025
RICHMOND TESTING LAB263106/18/2025
Building Lifecycle
All (95)Filed (5)Permit Issued (6)Inspection (8)Objection (46)Special Inspection (30)
09/14/2026
Permit issued — Mechanical Systems
B01169304-S2-MS
09/02/2026
Permit issued — Structural
B01169304-S3-ST
07/01/2026
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
06/18/2026
Permit issued — General Construction
B01169304-I1-GC
03/25/2026
Permit issued — Plumbing
B01169304-S1-PL
01/13/2026
Objection raised — Cost
01/13/2026
Objection raised — Fire_Protection
01/13/2026
Objection raised — Other
01/13/2026
Objection raised — Other
01/13/2026
Objection raised — Inspections
01/13/2026
Objection raised — Admin
01/13/2026
Objection raised — Scope
01/13/2026
Objection raised — Zoning
12/19/2025
Filed — Alteration CO
Filing herewith for the modifications to existing mechanical seems and installation of new air condensing unit .
B01169304-P1
12/10/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
Thomas Petracca
12/10/2025
Special inspection requirement — Energy Code Compliance Inspections
Nicolas Crosetto
12/10/2025
Special inspection requirement — Fire-Resistance Rated Construction
Nicolas Crosetto
12/10/2025
Special inspection requirement — Fenestration air leakage
Nicolas Crosetto
12/10/2025
Special inspection requirement — Insulation placement and R values
Nicolas Crosetto
12/10/2025
Special inspection requirement — Air barrier - visual inspection
Nicolas Crosetto
12/10/2025
Special inspection requirement — Maintenance information
Nicolas Crosetto
12/10/2025
Special inspection requirement — Fenestration areas
Nicolas Crosetto
12/10/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
Nicolas Crosetto
12/10/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
Nicolas Crosetto
09/15/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
09/15/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
08/05/2025
Permit issued — Plumbing
B01169304-S1-PL
07/03/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
07/03/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
06/27/2025
Objection raised — Admin
06/27/2025
Objection resolved — Addressed
06/24/2025
Objection resolved — Addressed
06/18/2025
Filed — Alteration CO
Filing herewith for the modifications to existing mechanical seems and installation of new air condensing unit .
B01169304-S3
06/17/2025
Objection resolved — Addressed
06/11/2025
Objection raised — Energy
06/11/2025
Objection raised — Plumbing
06/06/2025
Filed — Alteration CO
Filing herewith for the modifications to existing mechanical seems and installation of new air condensing unit .
B01169304-S1
06/06/2025
Filed — Alteration CO
Filing herewith for the modifications to existing mechanical seems and installation of new air condensing unit .
B01169304-S2
06/06/2025
Permit issued — General Construction
B01169304-I1-GC
06/03/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
06/02/2025
Special inspection requirement — Duct leakage testing, insulation and design
Thomas Petracca
06/02/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Thomas Petracca
06/02/2025
Special inspection requirement — Masonry
Thomas Petracca
06/02/2025
Special inspection requirement — Post-installed Anchors
Thomas Petracca
06/02/2025
Special inspection requirement — Structural Cold-Formed Steel
Thomas Petracca
06/02/2025
Special inspection requirement — Structural Steel - Details
Thomas Petracca
06/02/2025
Special inspection requirement — Structural Steel - Welding
RICHARD LEMANSKY
06/02/2025
Special inspection requirement — HVAC-R and service water heating system controls
Thomas Petracca
06/02/2025
Special inspection requirement — HVAC-R and service water heating equipment
Thomas Petracca
06/02/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
Thomas Petracca
06/02/2025
Special inspection requirement — Maintenance information
Thomas Petracca
06/02/2025
Special inspection requirement — Energy Code Compliance Inspections
Thomas Petracca
05/14/2025
Objection raised — Scope
05/14/2025
Objection resolved — Addressed
05/05/2025
Objection resolved — Addressed
04/24/2025
Objection resolved — Addressed
04/24/2025
Objection resolved — Addressed
04/15/2025
Objection resolved — Addressed
04/01/2025
Objection raised — Scope
04/01/2025
Objection resolved — Addressed
Latest 60 of 95 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedTOLLOCAN SHEET METAL INC09/14/2026
DOB NOWStructuralPermit IssuedTOMEK BUILDERS CORP09/02/2026
DOB NOWGeneral ConstructionPermit IssuedTOMEK BUILDERS CORP06/18/2026
DOB NOWPlumbingSigned-offSIMPLE CHOICE PLBG AND HT03/25/2026
DOB NOWPlumbingSigned-offSIMPLE CHOICE PLBG AND HT08/05/2025
DOB NOWGeneral ConstructionPermit IssuedTOMEK BUILDERS CORP06/06/2025
BISPLISSUEDFLYTIGER P & H LTD06/25/2019
BISPLISSUEDFLYTIGER P & H LTD04/16/2018
BISOTISSUEDMAXIM DESIGN BUILD LLC02/23/2018
1 project · most recent 12/19/2025
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
12/19/2025Permit IssuedTOLLOCAN SHEET METAL INCHeating and Air Conditioning Systems
Heat / Cool
Daikin FDMQ18RVJU 2 tons · Condensing Unit ×1
1 project · most recent 12/19/2025
Storm Water/Sanitary
FiledStatusContractorScope
12/19/2025Signed-offSIMPLE CHOICE PLBG AND HTStorm, Water/Sanitary
2 projects · most recent 09/17/2025
General Wiring
FiledStatusContractorScope
09/17/2025Permit IssuedH POWER ELECTRIC INCGeneral Wiring
05/15/2018CompleteUNITED ELEC'L CONT'G CORPGeneral Wiring
1 project · most recent 12/19/2025
Steel
FiledStatusContractorScope
12/19/2025Permit IssuedTOLLOCAN SHEET METAL INCSteel
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
07/01/2026Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
09/15/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
09/15/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
07/03/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
07/03/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
06/03/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
03/28/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
03/19/2025Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 36
DateRequirementInspectorRole
12/10/2025Structural Stability – Alterations of existing buildingsThomas Petraccaspecial
12/10/2025Energy Code Compliance InspectionsNicolas Crosettoprogress
12/10/2025Fire-Resistance Rated ConstructionNicolas Crosettoprogress
12/10/2025Fenestration air leakageNicolas Crosettoenergy_progress
12/10/2025Insulation placement and R valuesNicolas Crosettoenergy_progress
12/10/2025Air barrier - visual inspectionNicolas Crosettoenergy_progress
12/10/2025Maintenance informationNicolas Crosettoenergy_progress
12/10/2025Fenestration areasNicolas Crosettoenergy_progress
12/10/2025Fenestration and door U-factor and product ratingsNicolas Crosettoenergy_progress
12/10/2025Fire-Resistant Penetrations and JointsNicolas Crosettospecial
06/02/2025Duct leakage testing, insulation and designThomas Petraccaenergy_progress
06/02/2025HVAC-R and service water piping design and insulationThomas Petraccaenergy_progress
06/02/2025MasonryThomas Petraccaspecial
06/02/2025Post-installed AnchorsThomas Petraccaspecial
06/02/2025Structural Cold-Formed SteelThomas Petraccaspecial
06/02/2025Structural Steel - DetailsThomas Petraccaspecial
06/02/2025Structural Steel - WeldingRICHARD LEMANSKYspecial
06/02/2025HVAC-R and service water heating system controlsThomas Petraccaenergy_progress
06/02/2025HVAC-R and service water heating equipmentThomas Petraccaenergy_progress
06/02/2025HVAC-R and service water piping design and insulationThomas Petraccaenergy_progress
06/02/2025Maintenance informationThomas Petraccaenergy_progress
06/02/2025Energy Code Compliance InspectionsThomas Petraccaprogress
02/21/2025Structural Stability – Alterations of existing buildingsThomas Petraccaspecial
02/14/2025Fenestration air leakageNicolas Crosettoenergy_progress
02/14/2025Insulation placement and R valuesNicolas Crosettoenergy_progress
Latest 25 of 36.
▾Documents — 67 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/21/2026B01169304-S1Request digital key ↗
08/15/2026B01169304-S2Request digital key ↗
08/15/2026B01169304-S3Request digital key ↗
Showing 3 of 5 on file for this type
▸Applications & Permits12
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION8
08/15/2019321793635Open ↗
03/15/2019321793635Open ↗
03/15/2019321793635Open ↗
Showing 3 of 8 on file for this type
▸BISWORK PERMIT APPLICATION3
04/16/2018321793635Open ↗
02/26/2018321793635Open ↗
02/26/2018321793635Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION1
02/27/2018321793635Open ↗
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZD1: DOB Zoning Diagram2
08/13/2026B01169304-P1Open ↗
08/13/2026B01169304-I1Open ↗
▸Seals & Professional Certifications19
▸DOB NOWProgress Inspector Seal & Signature6
09/01/2026B01169304-S1Open ↗
09/01/2026B01169304-S1Open ↗
08/24/2026B01169304-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/21/2026B01169304-I1Open ↗
08/21/2026B01169304-S1Open ↗
08/21/2026B01169304-P1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
08/27/2026B01169304-S3Open ↗
08/24/2026B01169304-I1Open ↗
08/24/2026B01169304-I1Open ↗
Showing 3 of 5 on file for this type
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3
11/26/2019321793635Open ↗
02/27/2018321793635Open ↗
02/27/2018321793635Open ↗
▸Trade Schedules & Equipment1
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
02/27/2018321793635Open ↗
▸Safety & Tenant Protection3
▸DOB NOWStreet Tree Checklist2
08/13/2026B01169304-I1Open ↗
08/13/2026B01169304-P1Open ↗
▸DOB NOWStreet Tree Sign Off1
08/13/2026B01169304-I1Open ↗
▸Environmental & Asbestos6
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/21/2026B01169304-S1Open ↗
08/15/2026B01169304-S2Open ↗
08/15/2026B01169304-S3Open ↗
Showing 3 of 5 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
02/27/2018321793635Open ↗
▸Energy Compliance3
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS3
11/26/2019321793635Open ↗
04/08/2019321793635Open ↗
02/27/2018321793635Open ↗
▸Approvals, Objections & Sign-offs1
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
01/09/2020321793635Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT3
11/26/2019321793635Open ↗
04/08/2019321793635Open ↗
02/27/2018321793635Open ↗
▸Filing & Intake Forms3
▸BISBOROUGH INTAKE FORM2
01/09/2020321793635Open ↗
11/26/2019321793635Open ↗
▸BISEFILING COVER SHEET1
02/27/2018321793635Open ↗
▸Other Documents9
▸DOB NOWSite Survey: Initial2
08/13/2026B01169304-P1Open ↗
08/13/2026B01169304-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
08/13/2026B01169304-I1Open ↗
08/13/2026B01169304-P1Open ↗
▸DOB NOWPlot Diagram2
08/13/2026B01169304-I1Open ↗
08/13/2026B01169304-P1Open ↗
▸DOB NOWProperty Ownership Certification2
08/14/2026B01169304-P1Open ↗
08/14/2026B01169304-I1Open ↗
▸DOB NOWFinal Survey1
08/13/2026B01169304-I1Open ↗