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Two family converted from one family
635 MAC DONOUGH STREET
BROOKLYN · Bedford-Stuyvesant (East) · BIN 3040105
💬 Discuss this project
1899Year Built
2Stories
B3Building Class
R5BZoning
2,268 sfGross Floor Area
2Units
Two family converted from one family · 1,800 sf lot · 1.26 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingFire Protection
Roof5p · 1 filing · 12 docs
Floor 22p · 1 filing · 12 docs
Floor 12p · 1 filing · 12 docs
Cellar5p · 1 filing · 12 docs
Basement2p · 1 filing · 12 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/30/2025$1.4M—Private party → Private party$622/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
JEFFREY BEANE ENGINEERING, PLLC109/01/2026
GREEN SOLUTIONS ENGINEERING & ENERG208/24/2026
SILBERMAYR ARCHITECTURE PLLC108/17/2026
Building Lifecycle
All (13)Filed (4)Objection (2)Special Inspection (7)
09/10/2026
Objection resolved — Addressed
09/03/2026
Objection raised — Other
09/01/2026
Filed — Alteration
STRUCTURAL REPAIRS INCLUDING FLOOR LEVELING, LOCALIZED FRAMING MEMBER REPLACEMENT, NEW STEEL COLUMNS AND COORDINATION OF MEP AND ARCHITECTURAL OPENINGS THROUGH FLOORS. ASSOCIATED WITH GC JOB B01440003. NO CHANGE OF USE, OCCUPANCY, OR EGRESS.What's the fir
B01440003-S5
08/24/2026
Filed — Alteration
STRUCTURAL REPAIRS INCLUDING FLOOR LEVELING, LOCALIZED FRAMING MEMBER REPLACEMENT, NEW STEEL COLUMNS AND COORDINATION OF MEP AND ARCHITECTURAL OPENINGS THROUGH FLOORS. ASSOCIATED WITH GC JOB B01440003. NO CHANGE OF USE, OCCUPANCY, OR EGRESS.What's the fir
B01440003-S2
08/24/2026
Filed — Alteration
STRUCTURAL REPAIRS INCLUDING FLOOR LEVELING, LOCALIZED FRAMING MEMBER REPLACEMENT, NEW STEEL COLUMNS AND COORDINATION OF MEP AND ARCHITECTURAL OPENINGS THROUGH FLOORS. ASSOCIATED WITH GC JOB B01440003. NO CHANGE OF USE, OCCUPANCY, OR EGRESS.What's the fir
B01440003-S3
08/24/2026
Special inspection requirement — HVAC-R and service water heating equipment
08/24/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
08/24/2026
Special inspection requirement — Permanent certificate
08/24/2026
Special inspection requirement — HVAC-R and service water heating system controls
08/24/2026
Special inspection requirement — Maintenance information
08/17/2026
Filed — Alteration
STRUCTURAL REPAIRS INCLUDING FLOOR LEVELING, LOCALIZED FRAMING MEMBER REPLACEMENT, NEW STEEL COLUMNS AND COORDINATION OF MEP AND ARCHITECTURAL OPENINGS THROUGH FLOORS. ASSOCIATED WITH GC JOB B01440003. NO CHANGE OF USE, OCCUPANCY, OR EGRESS.What's the fir
B01440003-I1
08/17/2026
Special inspection requirement — Energy Code Compliance Inspections
08/17/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Nothing on file for this building.
1 project · most recent 09/01/2026
Air Conditioning Systems Heating Systems Ventilation Systems
FiledStatusContractorScopeMake / Model / Capacity
09/01/2026——Air Conditioning Systems, Heating Systems, Ventilation Systems
Cooling
Lg ZRUN024GSS0 24,000 BTU · Condensing Unit ×2
Heating
Lg ZRUN024GSS0 27,000 BTU · Condensing Unit ×2
Ventilation
Zehnder COMFOAIR Q350 206 CFM · Erv ×1
1 project · most recent 09/01/2026
Water/Sanitary
FiledStatusContractorScope
09/01/2026——Water/Sanitary
1 project · most recent 09/01/2026
Steel Concrete Masonry Wood
FiledStatusContractorScope
09/01/2026——Steel, Concrete, Masonry, Wood
▾Special Inspection Requirements (DOB NOW) — 7
DateRequirementInspectorRole
08/24/2026HVAC-R and service water heating equipment—energy_progress
08/24/2026HVAC-R and service water piping design and insulation—energy_progress
08/24/2026Permanent certificate—energy_progress
08/24/2026HVAC-R and service water heating system controls—energy_progress
08/24/2026Maintenance information—energy_progress
08/17/2026Energy Code Compliance Inspections—progress
08/17/2026Fire-Resistant Penetrations and Joints—special
▾Documents — 21 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/18/2026B01440003-I1Request digital key ↗
08/18/2026B01440003-S5Request digital key ↗
08/18/2026B01440003-S4Request digital key ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications5
▸DOB NOWDPL-1: Design Professional Seal & Signature5
09/26/2026B01440003-S5Open ↗
09/26/2026B01440003-S4Open ↗
09/26/2026B01440003-S3Open ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
09/26/2026B01440003-S3Open ↗
09/26/2026B01440003-S5Open ↗
09/26/2026B01440003-S4Open ↗
Showing 3 of 9 on file for this type
▸Inspections & Test Reports2
▸DOB NOWGeotechnical Report (BC 1803.6)2
09/26/2026B01440003-S4Open ↗
08/18/2026B01440003-S4Open ↗