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Two family converted from one family
490 MAC DONOUGH STREET
BROOKLYN · BIN 3047230
💬 Discuss this project
1899Year Built
2Stories
B3Building Class
R6BZoning
2,584 sfGross Floor Area
2Units
Two family converted from one family · 2,000 sf lot · 1.29 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Permit Issued — active, not yet Signed-off
RoofUnder Construction4p · 1 filing · 20 docs
Floor 2Under Construction26p · 2 filings · 20 docs
Floor 1Under Construction25p · 2 filings · 20 docs
CellarUnder Construction29p · 2 filings · 20 docs
Sub-BasementUnder Construction15p · 2 filings · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
08/19/2024$2.0M—Private party → Private party$774/sf building
06/12/2015$1.6M—NIA-MACDONOUGH, LLC → Private party$604/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
KEYOWNER ENGINEERING, P.C.112/15/2025
CHONG ENGINEERING, P.C.212/03/2025
BO LEE ARCHITECT PC211/25/2025
OCEAN ENTERPRISES INC.211/18/2024
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
GRAND EXPEDITERS NYC503/21/2026
STONECORE LLC203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
PENINSULA CONSTRUCTION INGeneral Contractor704/09/2026
STONECORE LLCGeneral Contractor303/21/2026
I DO PLUMBING & HTG INCPlumbing207/08/2026
JOHN FITZGERALD PLBG &HTGPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
KEYOWNER ENGINEERING, P.C4817312/15/2025
CHONG ENGINEERING P.C.7411212/03/2025
AA BUILDING & INSPECTION1519211/18/2024
Building Lifecycle
All (57)Filed (7)Permit Issued (9)Inspection (11)Special Inspection (30)
06/23/2026
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
12/18/2025
Permit issued — Mechanical Systems
B01322929-S5-MS
12/15/2025
Filed — Alteration
REMOVAL, RELOCATION, REPLACEMENT OF KITCHEN, BATHROOM, LAUNDRY FIXTURES THROUGHOUT THE CELLAR, BASEMENT, FIRST AND SECOND FLRS. NEW SUPPLY / WASTE LINES, NEW FIXTURE CONNECTIONS, AND CAPPING OF UNUSED LINES. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B01322929-S5
12/15/2025
Special inspection requirement — Mechanical Systems
KWAMI AVITY
12/15/2025
Special inspection requirement — Final
KWAMI AVITY
12/15/2025
Special inspection requirement — Energy Code Compliance Inspections
KWAMI AVITY
12/15/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
KWAMI AVITY
12/08/2025
Permit issued — Foundation
B01322929-S4-FO
12/08/2025
Permit issued — Structural
B01322929-S3-ST
12/08/2025
Permit issued — Plumbing
B01322929-S1-PL
12/04/2025
Permit issued — General Construction
B01322929-I1-GC
12/04/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
12/04/2025
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
12/03/2025
Filed — Alteration
REMOVAL, RELOCATION, REPLACEMENT OF KITCHEN, BATHROOM, LAUNDRY FIXTURES THROUGHOUT THE CELLAR, BASEMENT, FIRST AND SECOND FLRS. NEW SUPPLY / WASTE LINES, NEW FIXTURE CONNECTIONS, AND CAPPING OF UNUSED LINES. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B01322929-S4
12/03/2025
Filed — Alteration
REMOVAL, RELOCATION, REPLACEMENT OF KITCHEN, BATHROOM, LAUNDRY FIXTURES THROUGHOUT THE CELLAR, BASEMENT, FIRST AND SECOND FLRS. NEW SUPPLY / WASTE LINES, NEW FIXTURE CONNECTIONS, AND CAPPING OF UNUSED LINES. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B01322929-S3
12/01/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
Tae Chong
12/01/2025
Special inspection requirement — Concrete - Cast-In-Place
Tae Chong
11/26/2025
Special inspection requirement — Footing and Foundation
Tae Chong
11/26/2025
Special inspection requirement — Structural Steel - Details
Tae Chong
11/26/2025
Special inspection requirement — Post-installed anchors in masonry
Tae Chong
11/26/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
Tae Chong
11/26/2025
Special inspection requirement — Structural Steel - High Strength Bolting
Tae Chong
11/26/2025
Special inspection requirement — Structural Steel - Welding
Tae Chong
11/26/2025
Special inspection requirement — Wood – Seismic Resistance
Tae Chong
11/26/2025
Special inspection requirement — Final
Tae Chong
11/26/2025
Special inspection requirement — Final
Tae Chong
11/25/2025
Filed — Alteration
REMOVAL, RELOCATION, REPLACEMENT OF KITCHEN, BATHROOM, LAUNDRY FIXTURES THROUGHOUT THE CELLAR, BASEMENT, FIRST AND SECOND FLRS. NEW SUPPLY / WASTE LINES, NEW FIXTURE CONNECTIONS, AND CAPPING OF UNUSED LINES. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B01322929-I1
11/25/2025
Filed — Alteration
REMOVAL, RELOCATION, REPLACEMENT OF KITCHEN, BATHROOM, LAUNDRY FIXTURES THROUGHOUT THE CELLAR, BASEMENT, FIRST AND SECOND FLRS. NEW SUPPLY / WASTE LINES, NEW FIXTURE CONNECTIONS, AND CAPPING OF UNUSED LINES. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B01322929-S1
11/21/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
KWAMI AVITY
11/21/2025
Special inspection requirement — Fire-Resistance Rated Construction
BO LEE
11/21/2025
Special inspection requirement — Fenestration areas
BO LEE
11/21/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
BO LEE
11/21/2025
Special inspection requirement — Fenestration air leakage
BO LEE
11/21/2025
Special inspection requirement — Lighting controls
BO LEE
11/21/2025
Special inspection requirement — Insulation placement and R values
BO LEE
11/21/2025
Special inspection requirement — Lighting in dwelling units
BO LEE
11/21/2025
Special inspection requirement — Air barrier - visual inspection
BO LEE
11/21/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
KWAMI AVITY
11/21/2025
Special inspection requirement — Final
BO LEE
11/21/2025
Special inspection requirement — Energy Code Compliance Inspections
BO LEE
09/29/2025
Permit issued — Plumbing
B01134242-S1-PL
08/05/2025
Permit issued — Structural
B01134242-I1-GC-CX
06/23/2025
Inspection — Certified Storm Drainage-ST-Piping-Roughing
Certified
View inspection ↗
06/23/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
01/30/2025
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
01/27/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
01/22/2025
Permit issued — Plumbing
B01134242-S1-PL
12/06/2024
Inspection — Certified Storm Drainage-ST-Piping-Underground
Certified
View inspection ↗
12/06/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
11/29/2024
Permit issued — Structural
B01134242-I1-GC-CX
11/18/2024
Filed — Alteration
THIS APPLICATION IS BEING FILED FOR PLUMBING WORK ONLY AT THE EXISTING RESIDENTIAL BUILDING AT THE CELLAR THROUGH SECOND FLOOR. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B01134242-S1
11/18/2024
Filed — Alteration
THIS APPLICATION IS BEING FILED FOR PLUMBING WORK ONLY AT THE EXISTING RESIDENTIAL BUILDING AT THE CELLAR THROUGH SECOND FLOOR. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B01134242-I1
11/13/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
Younes Abouyaala
11/13/2024
Special inspection requirement — Energy Code Compliance Inspections
Younes Abouyaala
11/13/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Younes Abouyaala
09/03/2024
Inspection — Fail-Final SP - Up to 3 Requested Floors
Fail
View inspection ↗
03/20/2024
Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test
Certified
View inspection ↗
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedPENINSULA CONSTRUCTION IN12/18/2025
DOB NOWFoundationPermit IssuedPENINSULA CONSTRUCTION IN12/08/2025
DOB NOWStructuralPermit IssuedPENINSULA CONSTRUCTION IN12/08/2025
DOB NOWPlumbingPermit IssuedI DO PLUMBING & HTG INC12/08/2025
DOB NOWGeneral ConstructionPermit IssuedPENINSULA CONSTRUCTION IN12/04/2025
DOB NOWPlumbingPermit IssuedI DO PLUMBING & HTG INC09/29/2025
DOB NOWStructuralPermit IssuedPENINSULA CONSTRUCTION IN08/05/2025
DOB NOWPlumbingPermit IssuedJOHN FITZGERALD PLBG &HTG01/22/2025
DOB NOWStructuralPermit IssuedCLUNE CONSTRUCTION CO LP11/29/2024
1 project · most recent 12/15/2025
Heating and Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
12/15/2025Permit IssuedPENINSULA CONSTRUCTION INHeating and Air Conditioning Systems
Heat / Cool
Lg LG MODEL # LG KNUAB091A 9,000 BTU ×2
LG KNUAB121A 12,000 BTU ×1
LG MODEL # LG KNUAB121A 12 BTU ×1
LG MODEL # LG KNUAB181A 18,000 BTU ×1
Gree GREE MODEL # 4LIV12HP230V1AH 12,000 BTU · Ahu ×2
GREE MODEL # 4LIV09HP230V1AH 9,000 BTU · Heat Pump Outdoor ×1
GREE MODEL # 4LIV18HP230V1AH 18,000 BTU · Heat Pump Outdoor ×1
1 project · most recent 12/15/2025
Gas Water/Sanitary
FiledStatusContractorScope
12/15/2025Permit IssuedI DO PLUMBING & HTG INCGas, Water/Sanitary
1 project · most recent 09/04/2025
General Wiring Lighting
FiledStatusContractorScope
09/04/2025Permit IssuedY.S ELECTRICGeneral Wiring, Lighting
1 project · most recent 12/15/2025
Steel Wood
FiledStatusContractorScope
12/15/2025Permit IssuedPENINSULA CONSTRUCTION INSteel, Wood
1 project · most recent 12/15/2025
Tenant Protection Plan 72 Hour
FiledStatusContractorScope
12/15/2025Permit IssuedPENINSULA CONSTRUCTION INTenant Protection Plan 72 Hour
▾Field Inspections (DOB CAP) — 11
DateTypeResultReport
06/23/2026Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
12/04/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
12/04/2025Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
06/23/2025Certified Storm Drainage-ST-Piping-RoughingCertifiedView ↗
06/23/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
01/30/2025Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
01/27/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
12/06/2024Certified Storm Drainage-ST-Piping-UndergroundCertifiedView ↗
12/06/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
09/03/2024Fail-Final SP - Up to 3 Requested FloorsFailView ↗
03/20/2024Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic TestCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 35
DateRequirementInspectorRole
12/15/2025Mechanical SystemsKWAMI AVITYspecial
12/15/2025FinalKWAMI AVITYprogress
12/15/2025Energy Code Compliance InspectionsKWAMI AVITYprogress
12/15/2025Fire-Resistant Penetrations and JointsKWAMI AVITYspecial
12/01/2025Structural Stability – Alterations of existing buildingsTae Chongspecial
12/01/2025Concrete - Cast-In-PlaceTae Chongspecial
11/26/2025Footing and FoundationTae Chongprogress
11/26/2025Structural Steel - DetailsTae Chongspecial
11/26/2025Post-installed anchors in masonryTae Chongspecial
11/26/2025Structural Stability – Alterations of existing buildingsTae Chongspecial
11/26/2025Structural Steel - High Strength BoltingTae Chongspecial
11/26/2025Structural Steel - WeldingTae Chongspecial
11/26/2025Wood – Seismic ResistanceTae Chongspecial
11/26/2025FinalTae Chongprogress
11/26/2025FinalTae Chongprogress
11/21/2025Fire-Resistant Penetrations and JointsKWAMI AVITYspecial
11/21/2025Fire-Resistance Rated ConstructionBO LEEprogress
11/21/2025Fenestration areasBO LEEenergy_progress
11/21/2025Fenestration and door U-factor and product ratingsBO LEEenergy_progress
11/21/2025Fenestration air leakageBO LEEenergy_progress
11/21/2025Lighting controlsBO LEEenergy_progress
11/21/2025Insulation placement and R valuesBO LEEenergy_progress
11/21/2025Lighting in dwelling unitsBO LEEenergy_progress
11/21/2025Air barrier - visual inspectionBO LEEenergy_progress
11/21/2025Fire-Resistant Penetrations and JointsKWAMI AVITYspecial
Latest 25 of 35.
▾Documents — 48 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/23/2026B01134242-I1Request digital key ↗
08/23/2026B01134242-S1Request digital key ↗
08/19/2026B01322929-I1Request digital key ↗
Showing 3 of 7 on file for this type
▸Seals & Professional Certifications33
▸DOB NOWProgress Inspector Seal & Signature17
09/23/2026B01322929-S5Open ↗
09/02/2026B01134242-S1Open ↗
09/02/2026B01134242-S1Open ↗
Showing 3 of 17 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature9
09/23/2026B01322929-S5Open ↗
09/23/2026B01322929-S5Open ↗
09/02/2026B01134242-S1Open ↗
Showing 3 of 9 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/23/2026B01134242-I1Open ↗
08/23/2026B01134242-S1Open ↗
08/13/2026B01322929-S5Open ↗
Showing 3 of 7 on file for this type
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/23/2026B01134242-I1Open ↗
08/23/2026B01134242-S1Open ↗
08/13/2026B01322929-S1Open ↗
Showing 3 of 7 on file for this type
▸Inspections & Test Reports1
▸DOB NOWGeotechnical Report (BC 1803.6)1
08/13/2026B01322929-S4Open ↗