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Two family converted from one family
642 DECATUR STREET
BROOKLYN · Ocean Hill · BIN 3040627
💬 Discuss this project
1910Year Built
2Stories
B3Building Class
R6Zoning
2,331 sfGross Floor Area
2Units
Rent Stabilized0 Open ViolationsFDNY Report ↗
Two family converted from one family · 1,850 sf lot · 1.26 FAR built · Flood zone X
Locations of Work
Electrical
Roof1 filing · 9 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/20/2015$935K—— → —$401/sf building
10/07/2015$576K—— → —$247/sf building
08/20/2015$500K—Private party → ELEVATION HOLDINGS, LLC$214/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
TOM PETERSEN ARCHITECT, LLC101/21/2025
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
NYS ESSENTIAL POWER INCGeneral Contractor303/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
THOMAS PETERSEN ARCHITECT7854101/21/2025
Building Lifecycle
All (9)Filed (1)Permit Issued (1)Signed Off (1)Violation (1)Special Inspection (5)
05/02/2025
Signed off — Alteration
Installation of PV System on existing rooftop. No changes to Egress or use of occupancy.
B01169519-I1
01/24/2025
Permit issued — Solar
B01169519-I1-SL
01/21/2025
Filed — Alteration
Installation of PV System on existing rooftop. No changes to Egress or use of occupancy.
B01169519-I1
01/21/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
TOM PETERSEN
01/21/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
TOM PETERSEN
01/21/2025
Special inspection requirement — Energy Code Compliance Inspections
TOM PETERSEN
01/21/2025
Special inspection requirement — Final
TOM PETERSEN
01/21/2025
Special inspection requirement — Air barrier - visual inspection
TOM PETERSEN
10/31/2018
Violation issued (HPD, closed)
I
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offNYS ESSENTIAL POWER INC01/24/2025
1 project · most recent 01/21/2025
FiledStatusContractorScope
01/21/2025CompleteAMBER ELECTL CONTNG INC—
▾Special Inspection Requirements (DOB NOW) — 5
DateRequirementInspectorRole
01/21/2025Fire-Resistant Penetrations and JointsTOM PETERSENspecial
01/21/2025Structural Stability – Alterations of existing buildingsTOM PETERSENspecial
01/21/2025Energy Code Compliance InspectionsTOM PETERSENprogress
01/21/2025FinalTOM PETERSENprogress
01/21/2025Air barrier - visual inspectionTOM PETERSENenergy_progress
▾Documents — 9 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/23/2026B01169519-I1Request digital key ↗
▸Seals & Professional Certifications6
▸DOB NOWProgress Inspector Seal & Signature3
09/01/2026B01169519-I1Open ↗
09/01/2026B01169519-I1Open ↗
09/01/2026B01169519-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
09/01/2026B01169519-I1Open ↗
09/01/2026B01169519-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026B01169519-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B01169519-I1Open ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01169519-I1Open ↗