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Five to six families
307 HARMAN STREET
BROOKLYN · BIN 3074835
💬 Discuss this project
1931Year Built
3Stories
C2Building Class
R6Zoning
4,275 sfGross Floor Area
6Units
Rent Stabilized22 Open Violations ▸FDNY Report ↗
Five to six families · Owner of record: 307 HARMAN ST LLC · 2,500 sf lot · 1.71 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
Roof19p · 1 filing · 14 docs
Floor 327p · 3 filings · 20 docs
Floor 219p · 2 filings · 20 docs
Floor 122p · 3 filings · 20 docs
Cellar23p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
RELIABLE ENTERPRISES807/08/2026
PEAK603/22/2026
307 HARMAN ST LLC203/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JAMES CHAI ARCHITECT, P.C.303/14/2022
ENTHINK ENGINEERS LLC212/16/2021
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HTX BUILDING CONSULTING303/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
RELIABLE ENTERPRISES INCGeneral Contractor407/08/2026
JKO CONSTRUCTION & CONSU*General Contractor303/21/2026
PIPESTYLISTS, INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
JAMES JH CHAI & ASSOCIATE6481303/14/2022
Building Lifecycle
All (100)Filed (5)Permit Issued (4)Signed Off (4)Violation (60)Inspection (4)Special Inspection (23)
08/11/2025
Signed off — Alteration
B00649358-I1
08/11/2025
Signed off — Alteration
B00643199-I1
11/29/2024
Violation issued (HPD, closed)
I
04/10/2024
Violation issued (HPD, closed)
A
06/30/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/30/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/20/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
06/20/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
04/25/2023
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
03/23/2023
Violation issued (HPD, closed)
A
11/14/2022
Violation issued (HPD, closed)
I
09/14/2022
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/21/2022
Signed off — Alteration
file PL work in conjuction with OT job# B00630331 for the building renovation , no change in use, egress or ocupancy
B00630387-I1
03/21/2022
Signed off — Alteration
RENOVATE UNITS 1L, 1R, 2L, 2R, 3L, 3R & COMMON HALLWAY FROM CELLAR TO ROOF, INCLUDEREMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARING PARTITIONS, PLUMBING, MECHANICAL,LIGHTING AND FINISH WORK. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00630331-I1
03/14/2022
Filed — Alteration
file PL work in conjuction with OT job# B00630331 for the building renovation , no change in use, egress or ocupancy
B00630387-P1
03/14/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
03/14/2022
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
03/14/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
Joon Ho Chai
03/14/2022
Special inspection requirement — HVAC-R and service water heating system controls
Joon Ho Chai
03/14/2022
Special inspection requirement — HVAC-R and service water heating equipment
Joon Ho Chai
03/04/2022
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
02/25/2022
Violation issued (HPD, closed)
A
02/25/2022
Violation issued (HPD, closed)
I
01/31/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
01/31/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
01/24/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
12/17/2021
Permit issued — Supported Scaffold
B00649358-I1-SF
12/16/2021
Filed — Alteration
B00649358-I1
12/10/2021
Permit issued — Sidewalk Shed
B00643199-I1-SH
12/08/2021
Filed — Alteration
B00643199-I1
12/06/2021
Permit issued — Plumbing
B00630387-I1-PL
12/01/2021
Permit issued — General Construction
B00630331-I1-GC-CX
11/30/2021
Filed — Alteration
file PL work in conjuction with OT job# B00630331 for the building renovation , no change in use, egress or ocupancy
B00630387-I1
11/30/2021
Filed — Alteration
RENOVATE UNITS 1L, 1R, 2L, 2R, 3L, 3R & COMMON HALLWAY FROM CELLAR TO ROOF, INCLUDEREMOVING AND INSTALLING NEW INTERIOR NON-LOAD BEARING PARTITIONS, PLUMBING, MECHANICAL,LIGHTING AND FINISH WORK. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00630331-I1
11/29/2021
Special inspection requirement — HVAC-R and service water piping design and insulation
Joon Ho Chai
11/29/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
Joon Ho Chai
11/29/2021
Special inspection requirement — Ventilation and air distribution system
Joon Ho Chai
11/29/2021
Special inspection requirement — Interior lighting power
Joon Ho Chai
11/29/2021
Special inspection requirement — Energy Code Compliance Inspections
Joon Ho Chai
11/29/2021
Special inspection requirement — Fire-Resistance Rated Construction
Joon Ho Chai
11/29/2021
Special inspection requirement — Air barrier - visual inspection
Joon Ho Chai
11/29/2021
Special inspection requirement — Fenestration areas
Joon Ho Chai
11/29/2021
Special inspection requirement — Maintenance information
Joon Ho Chai
11/29/2021
Special inspection requirement — Fenestration air leakage
Joon Ho Chai
11/29/2021
Special inspection requirement — HVAC-R and service water heating equipment
Joon Ho Chai
11/29/2021
Special inspection requirement — Fenestration and door U-factor and product ratings
Joon Ho Chai
11/29/2021
Special inspection requirement — Metering
Joon Ho Chai
11/29/2021
Special inspection requirement — HVAC-R and service water heating system controls
Joon Ho Chai
11/29/2021
Special inspection requirement — Insulation placement and R values
Joon Ho Chai
11/29/2021
Special inspection requirement — Permanent certificate
Joon Ho Chai
11/12/2021
Special inspection requirement — Final
Joon Ho Chai
11/12/2021
Special inspection requirement — Mechanical Systems
Joon Ho Chai
07/13/2021
Violation issued (HPD, closed)
I
07/01/2021
Violation issued (HPD, open)
C
07/01/2021
Violation issued (HPD, closed)
C
07/01/2021
Violation issued (HPD, closed)
C
07/01/2021
Violation issued (HPD, closed)
C
07/01/2021
Violation issued (HPD, closed)
C
07/01/2021
Violation issued (HPD, closed)
C
07/01/2021
Violation issued (HPD, closed)
C
Latest 60 of 100 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSupported ScaffoldSigned-offRELIABLE ENTERPRISES INC12/17/2021
DOB NOWSidewalk ShedSigned-offRELIABLE ENTERPRISES INC12/10/2021
DOB NOWPlumbingSigned-offT & T PLUMBING INC12/06/2021
DOB NOWGeneral ConstructionPermit IssuedJKO CONSTRUCTION & CONSU*12/01/2021
1 project · most recent 11/30/2021
Associated Ducts and Piping Heating Systems
FiledStatusContractorScopeMake / Model / Capacity
11/30/2021Permit IssuedJKO CONSTRUCTION & CONSU*Associated Ducts and Piping, Heating Systems
Cooling
Daikin 4MXS36RMVJUA 36,000 BTU · Heat Pump Outdoor ×4
D4H48W09091212 45,000 BTU · Heat Pump Outdoor ×2
Heating
Daikin 4MXS36RMVJUA 36,000 BTU · Heat Pump Outdoor ×4
Ducts & Piping
Daikin D4H48W09091212 45,000 BTU · Heat Pump Outdoor ×2
2 projects · most recent 01/08/2022
General Wiring
FiledStatusContractorScope
01/08/2022Permit IssuedE & M ELECTRICAL NY CORPGeneral Wiring
12/14/2021CompleteRICHARD NEU—
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
03/04/2022Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
01/31/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
01/31/2022Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
01/24/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 23
DateRequirementInspectorRole
03/14/2022Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
03/14/2022Energy Code Compliance InspectionsJoon Ho Chaiprogress
03/14/2022HVAC-R and service water piping design and insulationJoon Ho Chaienergy_progress
03/14/2022HVAC-R and service water heating system controlsJoon Ho Chaienergy_progress
03/14/2022HVAC-R and service water heating equipmentJoon Ho Chaienergy_progress
11/29/2021HVAC-R and service water piping design and insulationJoon Ho Chaienergy_progress
11/29/2021Fire-Resistant Penetrations and JointsJoon Ho Chaispecial
11/29/2021Ventilation and air distribution systemJoon Ho Chaienergy_progress
11/29/2021Interior lighting powerJoon Ho Chaienergy_progress
11/29/2021Energy Code Compliance InspectionsJoon Ho Chaiprogress
11/29/2021Fire-Resistance Rated ConstructionJoon Ho Chaiprogress
11/29/2021Air barrier - visual inspectionJoon Ho Chaienergy_progress
11/29/2021Fenestration areasJoon Ho Chaienergy_progress
11/29/2021Maintenance informationJoon Ho Chaienergy_progress
11/29/2021Fenestration air leakageJoon Ho Chaienergy_progress
11/29/2021HVAC-R and service water heating equipmentJoon Ho Chaienergy_progress
11/29/2021Fenestration and door U-factor and product ratingsJoon Ho Chaienergy_progress
11/29/2021MeteringJoon Ho Chaienergy_progress
11/29/2021HVAC-R and service water heating system controlsJoon Ho Chaienergy_progress
11/29/2021Insulation placement and R valuesJoon Ho Chaienergy_progress
11/29/2021Permanent certificateJoon Ho Chaienergy_progress
11/12/2021FinalJoon Ho Chaiprogress
11/12/2021Mechanical SystemsJoon Ho Chaispecial
▾Documents — 30 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/31/2026B00630387-P1Request digital key ↗
08/31/2026B00630387-I1Request digital key ↗
08/31/2026B00630331-P1Request digital key ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications14
▸DOB NOWProgress Inspector Seal & Signature6
08/23/2026B00630387-P1Open ↗
08/23/2026B00630387-P1Open ↗
08/23/2026B00630331-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/31/2026B00630387-P1Open ↗
08/31/2026B00630387-I1Open ↗
08/31/2026B00649358-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
08/23/2026B00630387-P1Open ↗
08/23/2026B00630331-I1Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/31/2026B00630387-P1Open ↗
08/31/2026B00630387-I1Open ↗
08/13/2026B00630331-P1Open ↗
Showing 3 of 4 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis2
08/31/2026B00630387-I1Open ↗
08/13/2026B00630331-I1Open ↗
▸Other Documents4
▸DOB NOWDHCR Document4
08/31/2026B00630387-I1Open ↗
08/13/2026B00630387-P1Open ↗
08/13/2026B00630331-I1Open ↗
Showing 3 of 4 on file for this type