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Miscellaneous two family
259 NASSAU AVENUE
BROOKLYN · Greenpoint · BIN 3066653
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1905Year Built
2Stories
B9Building Class
R6BZoning
2,090 sfGross Floor Area
2Units
Miscellaneous two family · 1,900 sf lot · 1.1 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralPlumbing
Floor 21p · 1 filing · 19 docs
Floor 120p · 3 filings · 20 docs
Sub-Basement17p · 2 filings · 20 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/26/2024$2.8M—Private party → Private party$1,361/sf building
10/19/2022$1.8M—Private party → Private party$837/sf building
12/23/2019$1.5M—Private party → Private party$718/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
HAMANN ENGINEERING, PLLC602/27/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
BIG ORANGE EXPEDITING1003/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
GNS HOME IMPROVMENT LLCGeneral Contractor707/08/2026
HT PLUMBING & HEATING CORPlumbing207/08/2026
TRIPLE H ELECTRICAL CORPElectrical103/22/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
EDRA ENGINEERING & INSPEC2820102/27/2025
HAMANN ENGINEERING, PLLC4949402/11/2025
Building Lifecycle
All (57)Filed (6)Permit Issued (5)Signed Off (1)Inspection (4)Objection (22)Special Inspection (19)
10/21/2025
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
08/22/2025
Signed off — Alteration
RENOVATION ON FIRST FLOOR LEVEL CREATING THE ENLARGEMENT AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS AND OCCUPANCY.
B08038699-S1
07/10/2025
Permit issued — Structural
B08038699-S1-GC-CX
05/08/2025
Objection resolved — Addressed
04/17/2025
Objection raised — Other
02/27/2025
Filed — Alteration
RENOVATION ON FIRST FLOOR LEVEL CREATING THE ENLARGEMENT AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS AND OCCUPANCY.
B08038699-S1
02/26/2025
Special inspection requirement — Interior lighting power
CARL HAMANN
02/26/2025
Special inspection requirement — Fenestration areas
CARL HAMANN
02/26/2025
Special inspection requirement — Air barrier - visual inspection
CARL HAMANN
02/26/2025
Special inspection requirement — Fenestration and door U-factor and product ratings
CARL HAMANN
02/26/2025
Special inspection requirement — Fenestration air leakage
CARL HAMANN
02/24/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
EDWARD RACZKOWSKI
02/11/2025
Filed — Alteration
Plumbing work as per plans filed herewith. No chanhe in use, egress and occupancy.
B08038737-P2
02/10/2025
Special inspection requirement — Final
CARL HAMANN
10/16/2024
Inspection — Certified Gas-Gas-Piping-Roughing
Certified
View inspection ↗
10/16/2024
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
10/11/2024
Permit issued — Plumbing
B08038737-I1-PL
10/10/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
CARL HAMANN
07/10/2023
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
03/15/2023
Filed — Alteration
Plumbing work as per plans filed herewith. No chanhe in use, egress and occupancy.
B08038737-P1
03/15/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
CARL HAMANN
03/06/2023
Permit issued — Plumbing
B08038737-I1-PL
03/03/2023
Permit issued — General Construction
B08038699-I1-GC
02/15/2023
Objection raised — Other
02/15/2023
Objection resolved — Addressed
02/15/2023
Objection raised — Other
02/15/2023
Objection resolved — Addressed
02/15/2023
Objection raised — Other
02/15/2023
Objection resolved — Addressed
01/04/2023
Objection raised — Zoning
01/04/2023
Objection resolved — Addressed
01/04/2023
Objection raised — Other
01/04/2023
Objection resolved — Addressed
01/04/2023
Objection raised — Zoning
01/04/2023
Objection resolved — Addressed
01/04/2023
Objection raised — Other
01/04/2023
Objection resolved — Addressed
01/04/2023
Objection raised — Other
01/04/2023
Objection resolved — Addressed
01/04/2023
Objection raised — Scope
01/04/2023
Objection resolved — Addressed
01/04/2023
Objection raised — Other
01/04/2023
Objection resolved — Addressed
12/23/2022
Filed — Alteration
Plumbing work as per plans filed herewith. No chanhe in use, egress and occupancy.
B08038737-I1
12/23/2022
Filed — Alteration
RENOVATION ON FIRST FLOOR LEVEL CREATING THE ENLARGEMENT AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS AND OCCUPANCY.
B08038699-I1
12/22/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
CARL HAMANN
12/22/2022
Special inspection requirement — Concrete - Cast-In-Place
CARL HAMANN
12/22/2022
Special inspection requirement — Fire-Resistance Rated Construction
CARL HAMANN
12/22/2022
Special inspection requirement — Fenestration and door U-factor and product ratings
CARL HAMANN
12/22/2022
Special inspection requirement — Fenestration air leakage
CARL HAMANN
12/22/2022
Special inspection requirement — Fenestration areas
CARL HAMANN
12/22/2022
Special inspection requirement — Air barrier - visual inspection
CARL HAMANN
12/22/2022
Special inspection requirement — Interior lighting power
CARL HAMANN
12/10/2022
Permit issued — General Construction
B08038351-I1-GC
12/06/2022
Filed — Alteration
INTERIOR DEMOLITION WORK ON BASEMENT AND FIRST FLOOR AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS AND OCCUPANCY.
B08038351-I1
11/11/2022
Special inspection requirement — Final
CARL HAMANN
11/10/2022
Special inspection requirement — Final
CARL HAMANN
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWStructuralSigned-offGNS HOME IMPROVMENT LLC07/10/2025
DOB NOWPlumbingPermit IssuedHT PLUMBING & HEATING COR10/11/2024
DOB NOWPlumbingPermit IssuedHT PLUMBING & HEATING COR03/06/2023
DOB NOWGeneral ConstructionPermit IssuedGNS HOME IMPROVMENT LLC03/03/2023
DOB NOWGeneral ConstructionPermit IssuedGNS HOME IMPROVMENT LLC12/10/2022
1 project · most recent 02/11/2025
Gas Water/Sanitary
FiledStatusContractorScope
02/11/2025Permit IssuedHT PLUMBING & HEATING CORGas, Water/Sanitary
2 projects · most recent 10/03/2023
General Wiring
FiledStatusContractorScope
10/03/2023CompleteTRIPLE H ELECTRICAL CORPGeneral Wiring
04/01/2022CompleteAMPOL ELEC'L CONT. INC.General Wiring
1 project · most recent 02/27/2025
Wood
FiledStatusContractorScope
02/27/2025Signed-offGNS HOME IMPROVMENT LLCWood
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
10/21/2025Pass-Final CND-Occupancy InspectionPassView ↗
10/16/2024Certified Gas-Gas-Piping-RoughingCertifiedView ↗
10/16/2024Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
07/10/2023Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 19
DateRequirementInspectorRole
02/26/2025Interior lighting powerCARL HAMANNenergy_progress
02/26/2025Fenestration areasCARL HAMANNenergy_progress
02/26/2025Air barrier - visual inspectionCARL HAMANNenergy_progress
02/26/2025Fenestration and door U-factor and product ratingsCARL HAMANNenergy_progress
02/26/2025Fenestration air leakageCARL HAMANNenergy_progress
02/24/2025Structural Stability – Alterations of existing buildingsEDWARD RACZKOWSKIspecial
02/10/2025FinalCARL HAMANNprogress
10/10/2024Fire-Resistant Penetrations and JointsCARL HAMANNspecial
03/15/2023Fire-Resistant Penetrations and JointsCARL HAMANNspecial
12/22/2022Fire-Resistant Penetrations and JointsCARL HAMANNspecial
12/22/2022Concrete - Cast-In-PlaceCARL HAMANNspecial
12/22/2022Fire-Resistance Rated ConstructionCARL HAMANNprogress
12/22/2022Fenestration and door U-factor and product ratingsCARL HAMANNenergy_progress
12/22/2022Fenestration air leakageCARL HAMANNenergy_progress
12/22/2022Fenestration areasCARL HAMANNenergy_progress
12/22/2022Air barrier - visual inspectionCARL HAMANNenergy_progress
12/22/2022Interior lighting powerCARL HAMANNenergy_progress
11/11/2022FinalCARL HAMANNprogress
11/10/2022FinalCARL HAMANNprogress
▾Documents — 33 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/28/2026B08038351-I1Request digital key ↗
08/22/2026B08038737-P2Request digital key ↗
08/22/2026B08038737-P1Request digital key ↗
Showing 3 of 6 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B08038699-S1Open ↗
▸Seals & Professional Certifications17
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/28/2026B08038351-I1Open ↗
08/22/2026B08038737-P1Open ↗
08/22/2026B08038737-P2Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWProgress Inspector Seal & Signature6
08/25/2026B08038351-I1Open ↗
08/25/2026B08038699-S1Open ↗
08/25/2026B08038699-S1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature5
09/01/2026B08038737-P2Open ↗
08/27/2026B08038737-P1Open ↗
08/25/2026B08038699-S1Open ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos6
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
08/28/2026B08038351-I1Open ↗
08/22/2026B08038737-P2Open ↗
08/22/2026B08038737-P1Open ↗
Showing 3 of 6 on file for this type
▸Other Documents3
▸DOB NOWSite Survey: Initial1
08/13/2026B08038699-S1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B08038699-S1Open ↗
▸DOB NOWPlot Diagram1
08/13/2026B08038699-S1Open ↗