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Three families
270 20 STREET
BROOKLYN · BIN 3017387
💬 Discuss this project
1899Year Built
3Stories
C0Building Class
R6BZoning
1,938 sfGross Floor Area
3Units
Rent Stabilized38 Open Violations ▸FDNY Report ↗
Three families · Owner of record: FOURTH SEASON DE LLC · 2,504 sf lot · 0.77 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbing
Roof5p · 2 filings · 20 docs
Bulkhead5p · 1 filing · 20 docs
Floor 43p · 1 filing · 20 docs
Floor 34p · 1 filing · 20 docs
Floor 22p · 1 filing · 20 docs
Floor 12p · 1 filing · 20 docs
Cellar3p · 1 filing · 20 docs
1 job · most recent 06/08/2026
Air Conditioning Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
06/08/2026——Air Conditioning Systems, Ventilation Systems
Cooling
Mitsubishi Electric MXZ-SM60NL 66,000 BTU · Condensing Unit ×2
MXZ-SM36NL 41,000 BTU · Condensing Unit ×1
MXZ-SM48NL 50,000 BTU · Condensing Unit ×1
Ventilation
1 job · most recent 06/08/2026
Storm Water/Sanitary
FiledStatusContractorScope
06/08/2026——Storm, Water/Sanitary
1 job · most recent 06/08/2026
Concrete
FiledStatusContractorScope
06/08/2026——Concrete
2 jobs · most recent 06/08/2026
Fence
FiledStatusContractorScope
06/08/2026——Fence
05/12/2026Permit IssuedUGB CONSTRUCTION INCFence
Building Lifecycle
All (163)Filed (10)Permit Issued (1)Violation (47)Objection (75)Special Inspection (30)
08/03/2026
Objection resolved — Addressed
08/03/2026
Objection resolved — Addressed
08/03/2026
Objection resolved — Addressed
08/03/2026
Objection resolved — Resolved
08/03/2026
Objection resolved — Addressed
06/18/2026
Permit issued — Construction Fence
B01381224-I1-FN
06/12/2026
Objection resolved — Resolved
06/12/2026
Objection resolved — Resolved
06/12/2026
Objection resolved — Resolved
06/12/2026
Objection resolved — Resolved
06/11/2026
Objection resolved — Addressed
06/10/2026
Objection raised — Other
06/10/2026
Objection raised — Other
06/10/2026
Objection raised — Other
06/10/2026
Objection raised — Other
06/10/2026
Objection raised — Other
06/10/2026
Objection raised — Other
06/08/2026
Filed — New Building
MECHANICAL IN CONJUCTION WITH NEW BUILDING JOB NUMBER #B01373573-I1
B01373573-S8
05/29/2026
Filed — New Building
MECHANICAL IN CONJUCTION WITH NEW BUILDING JOB NUMBER #B01373573-I1
B01373573-S1
05/29/2026
Filed — New Building
MECHANICAL IN CONJUCTION WITH NEW BUILDING JOB NUMBER #B01373573-I1
B01373573-S2
05/23/2026
Objection raised — Other
05/15/2026
Filed — New Building
MECHANICAL IN CONJUCTION WITH NEW BUILDING JOB NUMBER #B01373573-I1
B01373573-S3
05/12/2026
Filed — Alteration
PROPOSED CONSTRUCTION FENCE. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B01381224-I1
05/01/2026
Violation issued (HPD, open)
A
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Resolved
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Resolved
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Addressed
04/27/2026
Objection resolved — Open
04/17/2026
Objection raised — Other
04/13/2026
Filed — New Building
MECHANICAL IN CONJUCTION WITH NEW BUILDING JOB NUMBER #B01373573-I1
B01373573-S4
04/10/2026
Objection raised — Zoning
04/10/2026
Objection raised — Admin
04/10/2026
Objection raised — Energy
04/10/2026
Objection raised — Structural
04/10/2026
Objection raised — Zoning
04/10/2026
Objection raised — Energy
04/10/2026
Objection raised — Fire_Protection
04/10/2026
Special inspection requirement — Concrete - Cast-In-Place
04/10/2026
Special inspection requirement — Concrete - Cast-In-Place
Latest 60 of 163 events.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
KINGS CAPITAL1009/13/2026
FOURTH SEASON DE LLC103/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
06/25/2019$1.7M—— → —$877/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ARC ARCHITECTURE + DESIGN STUDIO206/08/2026
R & O ENGINEERING405/29/2026
MJE PROFESSIONAL SERVICES105/12/2026
A&D ENGINEERING, PLLC203/28/2026
SHAHRIAR RAFI107/23/2025
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
UGB CONSTRUCTION INCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HRF SERVICES CORP5616107/23/2025
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedUGB CONSTRUCTION INC06/18/2026
▾Special Inspection Requirements (DOB NOW) — 43
DateRequirementInspectorRole
04/10/2026Concrete - Cast-In-Place—special
04/10/2026Concrete - Cast-In-Place—special
04/10/2026Underpinning—special
04/10/2026Structural Stability – Alterations of existing buildings—special
04/10/2026Subsurface Investigations (Borings/Test Pits)—special
04/10/2026Subsurface Conditions – Fill Placement & In-Place Density—special
04/10/2026Subgrade Inspections—special
03/27/2026HVAC-R and service water heating equipment—energy_progress
03/27/2026Energy Code Compliance Inspections—progress
03/27/2026Shutoff dampers—energy_progress
03/27/2026Fire-Resistance Rated Construction—progress
03/27/2026Heating Systems—special
03/27/2026Fire-Resistant Penetrations and Joints—special
03/27/2026HVAC-R and service water piping design and insulation—energy_progress
03/27/2026Maintenance information—energy_progress
03/27/2026HVAC-R and service water heating system controls—energy_progress
03/27/2026Duct leakage testing, insulation and design—energy_progress
03/26/2026Final—progress
03/26/2026Mechanical Systems—special
03/23/2026Footing and Foundation—progress
03/23/2026Final—progress
03/18/2026Final—progress
03/18/2026Air barrier continuity plan testing—energy_progress
03/17/2026Fenestration and door U-factor and product ratings—energy_progress
03/17/2026Protection of exposed foundation insulation—energy_progress
Latest 25 of 43.
▾Documents — 33 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
08/21/2026B01186110-I1Request digital key ↗
08/17/2026B01381224-I1Request digital key ↗
08/16/2026B01373573-I1Request digital key ↗
Showing 3 of 10 on file for this type
▸Zoning, Tax Lot & Property Records2
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/16/2026B01373573-I1Open ↗
▸DOB NOWZD1: DOB Zoning Diagram1
08/16/2026B01373573-I1Open ↗
▸Seals & Professional Certifications10
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/21/2026B01186110-I1Open ↗
08/17/2026B01381224-I1Open ↗
08/16/2026B01373573-S2Open ↗
Showing 3 of 10 on file for this type
▸Trade Schedules & Equipment1
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)1
08/16/2026B01373573-I1Open ↗
▸Safety & Tenant Protection2
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/16/2026B01373573-I1Open ↗
▸DOB NOWStreet Tree Checklist1
08/16/2026B01373573-I1Open ↗
▸Inspections & Test Reports3
▸DOB NOWSOIL REPORT2
08/15/2026B01373573-S2Open ↗
08/14/2026B01373573-S4Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram1
08/14/2026B01373573-S4Open ↗
▸Other Documents5
▸DOB NOWProperty Ownership Certification2
08/21/2026B01186110-I1Open ↗
08/16/2026B01373573-I1Open ↗
▸DOB NOWStructure Photographs1
08/13/2026B01186110-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/16/2026B01373573-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/16/2026B01373573-I1Open ↗