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Two family converted from one family
717 66 STREET
BROOKLYN · BIN 3144245
💬 Discuss this project
1935Year Built
2Stories
B3Building Class
R5BZoning
1,520 sfGross Floor Area
2Units
Two family converted from one family · 2,008 sf lot · 0.76 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
06/23/2025$1.2M—Private party → Private party$822/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
A PLUS DESIGN INC302/05/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
A PLUS DESIGN INC.603/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
JADESTONE CONSTRUCTION INGeneral Contractor204/09/2026
BEST PLUMBING & HVAC INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
A PLUS DESIGN INC6615302/05/2026
Building Lifecycle
All (28)Filed (3)Permit Issued (3)Signed Off (2)Inspection (2)Special Inspection (18)
04/09/2026
Signed off — Alteration
PLUMBING WORK ON BAS, 1ST & 2ND FLOOR. OIL TO GAS CONVERSION, REMOVE OIL BOILER AND OIL TANK AT BAS. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS UNDER CO#79812/1936)
B01256446-S1
04/01/2026
Signed off — Alteration
PLUMBING WORK ON BAS, 1ST & 2ND FLOOR. OIL TO GAS CONVERSION, REMOVE OIL BOILER AND OIL TANK AT BAS. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS UNDER CO#79812/1936)
B01256446-I1
02/05/2026
Filed — Alteration
PLUMBING WORK ON BAS, 1ST & 2ND FLOOR. OIL TO GAS CONVERSION, REMOVE OIL BOILER AND OIL TANK AT BAS. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS UNDER CO#79812/1936)
B01256446-P1
02/05/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
HONGTENG CHEN
02/05/2026
Special inspection requirement — Fire-Resistance Rated Construction
HONGTENG CHEN
02/05/2026
Special inspection requirement — Energy Code Compliance Inspections
HONGTENG CHEN
02/05/2026
Special inspection requirement — Final
HONGTENG CHEN
02/05/2026
Special inspection requirement — Air barrier - visual inspection
HONGTENG CHEN
02/05/2026
Special inspection requirement — Interior lighting power
HONGTENG CHEN
02/04/2026
Special inspection requirement — Air barrier - visual inspection
HONGTENG CHEN
02/04/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
HONGTENG CHEN
02/04/2026
Special inspection requirement — Energy Code Compliance Inspections
HONGTENG CHEN
02/04/2026
Special inspection requirement — Final
HONGTENG CHEN
02/04/2026
Special inspection requirement — Fire-Resistance Rated Construction
HONGTENG CHEN
02/04/2026
Special inspection requirement — Interior lighting power
HONGTENG CHEN
11/07/2025
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
11/07/2025
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
10/01/2025
Permit issued — General Construction
B01256446-I1-GC
07/28/2025
Permit issued — General Construction
B01256446-I1-GC
07/28/2025
Permit issued — Plumbing
B01256446-S1-PL
07/22/2025
Filed — Alteration
PLUMBING WORK ON BAS, 1ST & 2ND FLOOR. OIL TO GAS CONVERSION, REMOVE OIL BOILER AND OIL TANK AT BAS. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS UNDER CO#79812/1936)
B01256446-S1
07/22/2025
Filed — Alteration
PLUMBING WORK ON BAS, 1ST & 2ND FLOOR. OIL TO GAS CONVERSION, REMOVE OIL BOILER AND OIL TANK AT BAS. NO CHANGE IN USE GROUP, EGRESS AND OCCUPANCY. (TOTAL: EXISTING TWO FAMILY DWELLING UNITS UNDER CO#79812/1936)
B01256446-I1
07/22/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
HONGTENG CHEN
07/22/2025
Special inspection requirement — Energy Code Compliance Inspections
HONGTENG CHEN
07/22/2025
Special inspection requirement — HVAC-R and service water heating system controls
HONGTENG CHEN
07/22/2025
Special inspection requirement — HVAC-R and service water heating equipment
HONGTENG CHEN
07/22/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
HONGTENG CHEN
07/22/2025
Special inspection requirement — Maintenance information
HONGTENG CHEN
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionSigned-offJADESTONE CONSTRUCTION IN10/01/2025
DOB NOWGeneral ConstructionSigned-offJADESTONE CONSTRUCTION IN07/28/2025
DOB NOWPlumbingSigned-offBEST PLUMBING & HVAC INC07/28/2025
1 project · most recent 07/26/2025
General Wiring
FiledStatusContractorScope
07/26/2025CompleteW 8 ELECTRIC CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
11/07/2025Certified Gas-Gas-Piping-RoughingCertifiedView ↗
11/07/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 18
DateRequirementInspectorRole
02/05/2026Fire-Resistant Penetrations and JointsHONGTENG CHENspecial
02/05/2026Fire-Resistance Rated ConstructionHONGTENG CHENprogress
02/05/2026Energy Code Compliance InspectionsHONGTENG CHENprogress
02/05/2026FinalHONGTENG CHENprogress
02/05/2026Air barrier - visual inspectionHONGTENG CHENenergy_progress
02/05/2026Interior lighting powerHONGTENG CHENenergy_progress
02/04/2026Air barrier - visual inspectionHONGTENG CHENenergy_progress
02/04/2026Fire-Resistant Penetrations and JointsHONGTENG CHENspecial
02/04/2026Energy Code Compliance InspectionsHONGTENG CHENprogress
02/04/2026FinalHONGTENG CHENprogress
02/04/2026Fire-Resistance Rated ConstructionHONGTENG CHENprogress
02/04/2026Interior lighting powerHONGTENG CHENenergy_progress
07/22/2025Fire-Resistant Penetrations and JointsHONGTENG CHENspecial
07/22/2025Energy Code Compliance InspectionsHONGTENG CHENprogress
07/22/2025HVAC-R and service water heating system controlsHONGTENG CHENenergy_progress
07/22/2025HVAC-R and service water heating equipmentHONGTENG CHENenergy_progress
07/22/2025HVAC-R and service water piping design and insulationHONGTENG CHENenergy_progress
07/22/2025Maintenance informationHONGTENG CHENenergy_progress
▾Documents — 30 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/21/2026B01256446-S1Request digital key ↗
08/21/2026B01256446-I1Request digital key ↗
08/21/2026B01256446-P1Request digital key ↗
▸Zoning, Tax Lot & Property Records3
▸DOB NOWRestrictive Declaration/Easement 13
08/13/2026B01256446-S1Open ↗
08/13/2026B01256446-P1Open ↗
08/13/2026B01256446-I1Open ↗
▸Seals & Professional Certifications21
▸DOB NOWProgress Inspector Seal & Signature15
09/01/2026B01256446-S1Open ↗
09/01/2026B01256446-S1Open ↗
09/01/2026B01256446-S1Open ↗
Showing 3 of 15 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/21/2026B01256446-I1Open ↗
08/21/2026B01256446-P1Open ↗
08/21/2026B01256446-S1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature3
09/01/2026B01256446-S1Open ↗
08/27/2026B01256446-P1Open ↗
08/22/2026B01256446-I1Open ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
08/21/2026B01256446-I1Open ↗
08/21/2026B01256446-P1Open ↗
08/21/2026B01256446-S1Open ↗