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Three families
344 97TH STREET
BROOKLYN · Bay Ridge · BIN 3155844
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1925Year Built
2Stories
C0Building Class
R4-1Zoning
4,284 sfGross Floor Area
3Units
Rent Stabilized0 Active Violations
Three families · Owner of record: 344 97 LLC · 3,020 sf lot · 1.42 FAR built · Flood zone X
Locations of Work
MechanicalPlumbing
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Permit Issued — active, not yet Signed-off
Floor 2Under Construction1 filing · 3 docs
Floor 1Under Construction1 filing · 3 docs
Sub-BasementUnder Construction1 filing · 3 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
344 97 LLC410/17/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
05/15/2025$1.2M—Private party → 344 97 LLC$282/sf building
11/18/2024$2.1M—Private party → FREMONT HOME LOAN TRUST 2005-E$484/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Aaron McDonald Architect210/15/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Mercury Building AssociatesGeneral Contractor110/17/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Aaron McDonald Architect5118210/15/2026
Building Lifecycle
All (38)Filed (2)Permit Issued (2)Violation (13)Special Inspection (21)
10/20/2026
Permit issued — Plumbing
B01471140-S2-PL
10/16/2026
Permit issued — Mechanical Systems
B01471140-I1-GC-CX
10/15/2026
Filed — Alteration
INTERIOR RENOVATION OF EXISTING 2 FAMILY DWELLING ON BASEMENT, 1ST AND 2ND FLOOR. GENERAL CONSTRUCTION WORK AND MECHANICAL WORK AS PER PLAN. NO CHANGE IN EGRESS, USE OR OCCUPANCY.
B01471140-S2
10/15/2026
Filed — Alteration
INTERIOR RENOVATION OF EXISTING 2 FAMILY DWELLING ON BASEMENT, 1ST AND 2ND FLOOR. GENERAL CONSTRUCTION WORK AND MECHANICAL WORK AS PER PLAN. NO CHANGE IN EGRESS, USE OR OCCUPANCY.
B01471140-I1
10/14/2026
Special inspection requirement — Energy Code Compliance Inspections
Aaron McDonald
10/14/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Aaron McDonald
10/14/2026
Special inspection requirement — HVAC-R and service water heating equipment
Aaron McDonald
10/14/2026
Special inspection requirement — HVAC-R and service water heating system controls
Aaron McDonald
10/14/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Aaron McDonald
10/14/2026
Special inspection requirement — Maintenance information
Aaron McDonald
10/08/2026
Special inspection requirement — Insulation placement and R values
Aaron McDonald
10/08/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
Aaron McDonald
10/08/2026
Special inspection requirement — Energy Code Compliance Inspections
Aaron McDonald
10/08/2026
Special inspection requirement — Fire-Resistance Rated Construction
Aaron McDonald
10/08/2026
Special inspection requirement — Maintenance information
Aaron McDonald
10/08/2026
Special inspection requirement — Fenestration air leakage
Aaron McDonald
10/08/2026
Special inspection requirement — HVAC-R and service water heating equipment
Aaron McDonald
10/08/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
Aaron McDonald
10/08/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
Aaron McDonald
10/08/2026
Special inspection requirement — Fenestration areas
Aaron McDonald
10/08/2026
Special inspection requirement — Air barrier - visual inspection
Aaron McDonald
10/08/2026
Special inspection requirement — Interior lighting power
Aaron McDonald
10/08/2026
Special inspection requirement — HVAC-R and service water heating system controls
Aaron McDonald
10/07/2026
Special inspection requirement — Final
Aaron McDonald
10/07/2026
Special inspection requirement — Mechanical Systems
Aaron McDonald
10/15/2025
Violation issued (HPD, closed)
C
09/21/2025
Violation issued (HPD, closed)
C
09/21/2025
Violation issued (HPD, closed)
A
09/21/2025
Violation issued (HPD, closed)
A
07/02/2025
Violation issued (HPD, closed)
C
07/02/2025
Violation issued (HPD, closed)
B
07/02/2025
Violation issued (HPD, closed)
B
07/02/2025
Violation issued (HPD, closed)
C
07/02/2025
Violation issued (HPD, closed)
C
07/02/2025
Violation issued (HPD, closed)
C
07/02/2025
Violation issued (HPD, closed)
B
06/28/2025
Violation issued (HPD, closed)
C
06/28/2025
Violation issued (HPD, closed)
C
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedW.R. Plumbing and Heating10/20/2026
DOB NOWMechanical SystemsPermit IssuedMercury Building Associates10/16/2026
1 project · most recent 10/15/2026
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
10/15/2026Permit IssuedMercury Building AssociatesAir Conditioning Systems
Cooling
Mitsubishi Electric MXZ-3C30NA 30,000 BTU · Condensing Unit ×5
MUZ-GL24NA 24,000 BTU · Condensing Unit ×1
1 project · most recent 10/15/2026
Gas Water/Sanitary
FiledStatusContractorScope
10/15/2026Permit IssuedEflow Plumbing & WatermainGas, Water/Sanitary
1 project · most recent 08/13/2025
FiledStatusContractorScope
08/13/2025CompleteHV Electric4 meters, 4 new_meters
▾Special Inspection Requirements (DOB NOW) — 21
DateRequirementInspectorRole
10/14/2026Energy Code Compliance InspectionsAaron McDonaldprogress
10/14/2026Fire-Resistant Penetrations and JointsAaron McDonaldspecial
10/14/2026HVAC-R and service water heating equipmentAaron McDonaldenergy_progress
10/14/2026HVAC-R and service water heating system controlsAaron McDonaldenergy_progress
10/14/2026HVAC-R and service water piping design and insulationAaron McDonaldenergy_progress
10/14/2026Maintenance informationAaron McDonaldenergy_progress
10/08/2026Insulation placement and R valuesAaron McDonaldenergy_progress
10/08/2026Fire-Resistant Penetrations and JointsAaron McDonaldspecial
10/08/2026Energy Code Compliance InspectionsAaron McDonaldprogress
10/08/2026Fire-Resistance Rated ConstructionAaron McDonaldprogress
10/08/2026Maintenance informationAaron McDonaldenergy_progress
10/08/2026Fenestration air leakageAaron McDonaldenergy_progress
10/08/2026HVAC-R and service water heating equipmentAaron McDonaldenergy_progress
10/08/2026Fenestration and door U-factor and product ratingsAaron McDonaldenergy_progress
10/08/2026HVAC-R and service water piping design and insulationAaron McDonaldenergy_progress
10/08/2026Fenestration areasAaron McDonaldenergy_progress
10/08/2026Air barrier - visual inspectionAaron McDonaldenergy_progress
10/08/2026Interior lighting powerAaron McDonaldenergy_progress
10/08/2026HVAC-R and service water heating system controlsAaron McDonaldenergy_progress
10/07/2026FinalAaron McDonaldprogress
10/07/2026Mechanical SystemsAaron McDonaldspecial
▾Documents — 15 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
10/20/2026B01471140-S2Request digital key ↗
10/16/2026B01471140-I1Request digital key ↗
10/16/2026B01471140-S2Request digital key ↗
▸Seals & Professional Certifications10
▸DOB NOWProgress Inspector Seal & Signature5
10/17/2026B01471140-I1Open ↗
10/17/2026B01471140-I1Open ↗
10/17/2026B01471140-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
10/17/2026B01471140-I1Open ↗
10/17/2026B01471140-S2Open ↗
10/17/2026B01471140-I1Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature2
10/16/2026B01471140-S2Open ↗
10/16/2026B01471140-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
10/16/2026B01471140-S2Open ↗
10/16/2026B01471140-I1Open ↗