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Two family frame
187 GUERNSEY STREET
BROOKLYN · Greenpoint · BIN 3065290
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1905Year Built
2Stories
B2Building Class
R6BZoning
4,260 sfGross Floor Area
2Units
0 Open Violations
Two family frame · 2,500 sf lot · 1.7 FAR built · Flood zone X
Locations of Work
Architecture
Roof2p · 1 filing · 4 docs
Floor 21p · 1 filing · 4 docs
Floor 1
Cellar1p · 1 filing · 4 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NKM ENGINEERING PLLC107/22/2026
Building Lifecycle
All (26)Filed (1)Violation (1)Objection (2)Special Inspection (22)
08/27/2026
Objection resolved — Open
08/13/2026
Objection raised — Other
07/22/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
Proposed vertical and horizontal extension on existing 2 story 2 dwelling unit building (total 4 story building)
B01431341-I1
07/15/2026
Special inspection requirement — Concrete - Cast-In-Place
07/15/2026
Special inspection requirement — Concrete - Precast
07/15/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
07/15/2026
Special inspection requirement — Masonry
07/15/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
07/15/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
07/15/2026
Special inspection requirement — Energy Code Compliance Inspections
07/15/2026
Special inspection requirement — Fire-Resistance Rated Construction
07/15/2026
Special inspection requirement — Preliminary
07/15/2026
Special inspection requirement — Air barrier — testing
07/15/2026
Special inspection requirement — Fenestration air leakage
07/15/2026
Special inspection requirement — Lighting in dwelling units
07/15/2026
Special inspection requirement — Insulation placement and R values
07/15/2026
Special inspection requirement — Maintenance information
07/15/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
07/15/2026
Special inspection requirement — Interior lighting power
07/15/2026
Special inspection requirement — Metering
07/15/2026
Special inspection requirement — Air barrier - visual inspection
07/15/2026
Special inspection requirement — Lighting controls
07/15/2026
Special inspection requirement — Fenestration areas
07/15/2026
Special inspection requirement — Permanent certificate
07/15/2026
Special inspection requirement — Exterior lighting power
04/15/2003
Violation issued (ECB, closed)
Construction
Nothing on file for this building.
1 project · most recent 07/22/2026
Sprinkler System
FiledStatusContractorScope
07/22/2026——Sprinkler System
1 project · most recent 07/22/2026
Fence
FiledStatusContractorScope
07/22/2026——Fence
▾Special Inspection Requirements (DOB NOW) — 22
DateRequirementInspectorRole
07/15/2026Concrete - Cast-In-Place—special
07/15/2026Concrete - Precast—special
07/15/2026Fire-Resistant Penetrations and Joints—special
07/15/2026Masonry—special
07/15/2026Structural Stability – Alterations of existing buildings—special
07/15/2026Subsurface Investigations (Borings/Test Pits)—special
07/15/2026Energy Code Compliance Inspections—progress
07/15/2026Fire-Resistance Rated Construction—progress
07/15/2026Preliminary—progress
07/15/2026Air barrier — testing —energy_progress
07/15/2026Fenestration air leakage—energy_progress
07/15/2026Lighting in dwelling units—energy_progress
07/15/2026Insulation placement and R values—energy_progress
07/15/2026Maintenance information—energy_progress
07/15/2026Fenestration and door U-factor and product ratings—energy_progress
07/15/2026Interior lighting power—energy_progress
07/15/2026Metering—energy_progress
07/15/2026Air barrier - visual inspection—energy_progress
07/15/2026Lighting controls—energy_progress
07/15/2026Fenestration areas—energy_progress
07/15/2026Permanent certificate—energy_progress
07/15/2026Exterior lighting power—energy_progress
▾Documents — 4 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/16/2026B01431341-I1Request digital key ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWZD1: DOB Zoning Diagram1
08/16/2026B01431341-I1Open ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/16/2026B01431341-I1Open ↗
▸Other Documents1
▸DOB NOWSite Survey: Initial1
08/16/2026B01431341-I1Open ↗