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Two family converted from one family
527 DECATUR STREET
BROOKLYN · BIN 3040313
💬 Discuss this project
1899Year Built
3Stories
B3Building Class
R5BZoning
3,360 sfGross Floor Area
2Units
Rent Stabilized2 Open Violations ▸FDNY Report ↗
Two family converted from one family · 1,867 sf lot · 1.8 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
USA DEVELOPMENT1707/08/2026
MTEK BROOKLYN LLC103/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/30/2023$3.0M—— → —$878/sf building
02/14/2023$875K—Private party → MTEK BROOKLYN LLC$260/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CHUN ENGINEERING CONSULTANT PLLC510/29/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
NYC BUILDING SOLUTIONS503/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HORBRIDGE PLUMBING & HEATINGPlumbing207/08/2026
NYC BUILDING SOLUTIONS COGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
DOYUN KIM; RA7415510/29/2023
Building Lifecycle
All (63)Filed (5)Permit Issued (3)Signed Off (2)Violation (18)Inspection (5)Special Inspection (30)
11/24/2025
Violation issued (HPD, open)
I
12/04/2024
Violation issued (HPD, open)
I
11/16/2023
Signed off — Alteration
HEREWITH FILING TO PROPOSE RENOVATION, NEW GYP BOARD, RELAMINATE, REPLACE WINDOWS AND FINISHES AS PER PLANS. EXISTING 3 STORY & BASEMENT 2 FAMILY DWELLING. NO CHANGE IN USE, OCCUPANCY OR EGRESS. TO ADDRESS ECB# 34147979P& REMOVE ILLEGAL REAR EXTENSION
B00828966-I1
11/16/2023
Signed off — Alteration
HEREWITH FILING TO PROPOSE PLUMBING SYSTEM AS PER PLANS. IN CONJUNCTION WITH DOB NOW
B00826973-I1
11/01/2023
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
10/31/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
DOYUN KIM
10/31/2023
Special inspection requirement — Energy Code Compliance Inspections
DOYUN KIM
10/29/2023
Filed — Alteration
HEREWITH FILING TO PROPOSE PLUMBING SYSTEM AS PER PLANS. IN CONJUNCTION WITH DOB NOW
B00826973-P2
10/23/2023
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
10/17/2023
Permit issued — Plumbing
B00826973-I1-PL
10/10/2023
Special inspection requirement — Final
DOYUN KIM
10/10/2023
Special inspection requirement — Construction Operations Influencing Adjacent Structures
DOYUN KIM
10/10/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
DOYUN KIM
10/10/2023
Special inspection requirement — Maintenance information
DOYUN KIM
10/10/2023
Special inspection requirement — Lighting in dwelling units
DOYUN KIM
10/10/2023
Special inspection requirement — Lighting controls
DOYUN KIM
10/10/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
DOYUN KIM
10/10/2023
Special inspection requirement — Air barrier - visual inspection
DOYUN KIM
10/10/2023
Special inspection requirement — Permanent certificate
DOYUN KIM
10/10/2023
Special inspection requirement — HVAC-R and service water heating system controls
DOYUN KIM
10/10/2023
Special inspection requirement — HVAC-R and service water heating equipment
DOYUN KIM
10/10/2023
Special inspection requirement — Fenestration areas
DOYUN KIM
10/10/2023
Special inspection requirement — Insulation placement and R values
DOYUN KIM
10/10/2023
Special inspection requirement — Interior lighting power
DOYUN KIM
10/10/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
DOYUN KIM
10/10/2023
Special inspection requirement — Fenestration air leakage
DOYUN KIM
10/07/2023
Filed — Alteration
HEREWITH FILING TO PROPOSE RENOVATION, NEW GYP BOARD, RELAMINATE, REPLACE WINDOWS AND FINISHES AS PER PLANS. EXISTING 3 STORY & BASEMENT 2 FAMILY DWELLING. NO CHANGE IN USE, OCCUPANCY OR EGRESS. TO ADDRESS ECB# 34147979P& REMOVE ILLEGAL REAR EXTENSION
B00828966-P1
10/07/2023
Filed — Alteration
HEREWITH FILING TO PROPOSE PLUMBING SYSTEM AS PER PLANS. IN CONJUNCTION WITH DOB NOW
B00826973-P1
09/28/2023
Special inspection requirement — Energy Code Compliance Inspections
DOYUN KIM
09/28/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
DOYUN KIM
09/27/2023
Special inspection requirement — Lighting controls
DOYUN KIM
09/27/2023
Special inspection requirement — Lighting in dwelling units
DOYUN KIM
09/27/2023
Special inspection requirement — Air barrier - visual inspection
DOYUN KIM
09/27/2023
Special inspection requirement — Fenestration areas
DOYUN KIM
09/27/2023
Special inspection requirement — Maintenance information
DOYUN KIM
09/27/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
DOYUN KIM
09/27/2023
Special inspection requirement — Fenestration air leakage
DOYUN KIM
09/27/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
DOYUN KIM
09/27/2023
Special inspection requirement — Insulation placement and R values
DOYUN KIM
09/27/2023
Special inspection requirement — HVAC-R and service water heating equipment
DOYUN KIM
04/07/2023
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
04/07/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/07/2023
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
03/20/2023
Permit issued — Plumbing
B00826973-I1-PL
03/06/2023
Permit issued — General Construction
B00828966-I1-GC
02/20/2023
Filed — Alteration
HEREWITH FILING TO PROPOSE RENOVATION, NEW GYP BOARD, RELAMINATE, REPLACE WINDOWS AND FINISHES AS PER PLANS. EXISTING 3 STORY & BASEMENT 2 FAMILY DWELLING. NO CHANGE IN USE, OCCUPANCY OR EGRESS. TO ADDRESS ECB# 34147979P& REMOVE ILLEGAL REAR EXTENSION
B00828966-I1
02/20/2023
Filed — Alteration
HEREWITH FILING TO PROPOSE PLUMBING SYSTEM AS PER PLANS. IN CONJUNCTION WITH DOB NOW
B00826973-I1
05/12/2020
Violation issued (HPD, closed)
B
07/17/2015
Violation issued (HPD, closed)
C
07/17/2015
Violation issued (HPD, closed)
B
07/17/2015
Violation issued (HPD, closed)
B
07/17/2015
Violation issued (HPD, closed)
B
07/17/2015
Violation issued (HPD, closed)
A
06/02/2015
Violation issued (HPD, closed)
B
06/02/2015
Violation issued (HPD, closed)
B
05/22/2001
Violation issued (HPD, closed)
A
05/22/2001
Violation issued (HPD, closed)
B
05/22/2001
Violation issued (HPD, closed)
B
05/22/2001
Violation issued (HPD, closed)
B
05/08/2000
Violation issued (HPD, closed)
B
Latest 60 of 63 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offHORBRIDGE PLUMBING & HEAT10/17/2023
DOB NOWPlumbingSigned-offHORBRIDGE PLUMBING & HEAT03/20/2023
DOB NOWGeneral ConstructionSigned-offNYC BUILDING SOLUTIONS CO03/06/2023
1 project · most recent 02/16/2023
General Wiring
FiledStatusContractorScope
02/16/2023CompleteK.A.B. ELECTRIC CORPGeneral Wiring
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
11/01/2023Pass-Final PL - Up to 3 Requested FloorsPassView ↗
10/23/2023Pass-Final PL - Up to 3 Requested FloorsPassView ↗
04/07/2023Certified Gas-Gas-Piping-RoughingCertifiedView ↗
04/07/2023Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
04/07/2023Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 36
DateRequirementInspectorRole
10/31/2023Fire-Resistant Penetrations and JointsDOYUN KIMspecial
10/31/2023Energy Code Compliance InspectionsDOYUN KIMprogress
10/10/2023FinalDOYUN KIMprogress
10/10/2023Construction Operations Influencing Adjacent StructuresDOYUN KIMspecial
10/10/2023Structural Stability – Alterations of existing buildingsDOYUN KIMspecial
10/10/2023Maintenance informationDOYUN KIMenergy_progress
10/10/2023Lighting in dwelling unitsDOYUN KIMenergy_progress
10/10/2023Lighting controlsDOYUN KIMenergy_progress
10/10/2023HVAC-R and service water piping design and insulationDOYUN KIMenergy_progress
10/10/2023Air barrier - visual inspectionDOYUN KIMenergy_progress
10/10/2023Permanent certificateDOYUN KIMenergy_progress
10/10/2023HVAC-R and service water heating system controlsDOYUN KIMenergy_progress
10/10/2023HVAC-R and service water heating equipmentDOYUN KIMenergy_progress
10/10/2023Fenestration areasDOYUN KIMenergy_progress
10/10/2023Insulation placement and R valuesDOYUN KIMenergy_progress
10/10/2023Interior lighting powerDOYUN KIMenergy_progress
10/10/2023Fenestration and door U-factor and product ratingsDOYUN KIMenergy_progress
10/10/2023Fenestration air leakageDOYUN KIMenergy_progress
09/28/2023Energy Code Compliance InspectionsDOYUN KIMprogress
09/28/2023Fire-Resistant Penetrations and JointsDOYUN KIMspecial
09/27/2023Lighting controlsDOYUN KIMenergy_progress
09/27/2023Lighting in dwelling unitsDOYUN KIMenergy_progress
09/27/2023Air barrier - visual inspectionDOYUN KIMenergy_progress
09/27/2023Fenestration areasDOYUN KIMenergy_progress
09/27/2023Maintenance informationDOYUN KIMenergy_progress
Latest 25 of 36.
▾Documents — 25 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/27/2026B00826973-I1Request digital key ↗
08/27/2026B00826973-P2Request digital key ↗
08/27/2026B00826973-P1Request digital key ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications15
▸DOB NOWProgress Inspector Seal & Signature6
09/01/2026B00828966-I1Open ↗
09/01/2026B00828966-I1Open ↗
08/29/2026B00826973-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/27/2026B00826973-P2Open ↗
08/27/2026B00826973-P1Open ↗
08/27/2026B00826973-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
09/01/2026B00828966-I1Open ↗
08/29/2026B00826973-I1Open ↗
08/26/2026B00828966-P1Open ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/27/2026B00826973-P2Open ↗
08/27/2026B00826973-P1Open ↗
08/27/2026B00826973-I1Open ↗
Showing 3 of 5 on file for this type