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Two family converted from one family
1577 81 STREET
BROOKLYN · BIN 3163186
💬 Discuss this project
1935Year Built
1Stories
B3Building Class
R5Zoning
1,770 sfGross Floor Area
2Units
Two family converted from one family · 2,133 sf lot · 0.83 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
11/16/2021$1.1M—— → —$610/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
OAS STUDIO207/02/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
AMERICAN STANDARD P&H CORORP.Plumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244207/02/2026
Building Lifecycle
All (15)Filed (2)Permit Issued (1)Special Inspection (12)
07/08/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
07/08/2026
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
07/08/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
NARESH MAHANGU
07/08/2026
Special inspection requirement — HVAC-R and service water heating equipment
NARESH MAHANGU
07/08/2026
Special inspection requirement — Maintenance information
NARESH MAHANGU
07/08/2026
Special inspection requirement — HVAC-R and service water heating system controls
NARESH MAHANGU
07/02/2026
Filed — Alteration
GENERAL RENOVATION OF 2-FAMILY HOUSE WITH NEW BOILER AND H.W.H AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B01409673-P1
07/01/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
07/01/2026
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
07/01/2026
Special inspection requirement — HVAC-R and service water heating system controls
NARESH MAHANGU
07/01/2026
Special inspection requirement — HVAC-R and service water heating equipment
NARESH MAHANGU
07/01/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
NARESH MAHANGU
07/01/2026
Special inspection requirement — Maintenance information
NARESH MAHANGU
06/05/2026
Permit issued — Plumbing
B01409673-I1-PL
06/04/2026
Filed — Alteration
GENERAL RENOVATION OF 2-FAMILY HOUSE WITH NEW BOILER AND H.W.H AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B01409673-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offAMERICAN STANDARD P&H CORORP.06/05/2026
1 project · most recent 07/02/2026
Gas
FiledStatusContractorScope
07/02/2026Signed-offAMERICAN STANDARD P&H CORGas
▾Special Inspection Requirements (DOB NOW) — 12
DateRequirementInspectorRole
07/08/2026Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
07/08/2026Energy Code Compliance InspectionsNARESH MAHANGUprogress
07/08/2026HVAC-R and service water piping design and insulationNARESH MAHANGUenergy_progress
07/08/2026HVAC-R and service water heating equipmentNARESH MAHANGUenergy_progress
07/08/2026Maintenance informationNARESH MAHANGUenergy_progress
07/08/2026HVAC-R and service water heating system controlsNARESH MAHANGUenergy_progress
07/01/2026Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
07/01/2026Energy Code Compliance InspectionsNARESH MAHANGUprogress
07/01/2026HVAC-R and service water heating system controlsNARESH MAHANGUenergy_progress
07/01/2026HVAC-R and service water heating equipmentNARESH MAHANGUenergy_progress
07/01/2026HVAC-R and service water piping design and insulationNARESH MAHANGUenergy_progress
07/01/2026Maintenance informationNARESH MAHANGUenergy_progress
▾Documents — 18 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/16/2026B01409673-I1Request digital key ↗
08/16/2026B01409673-P1Request digital key ↗
▸Seals & Professional Certifications14
▸DOB NOWProgress Inspector Seal & Signature10
08/31/2026B01409673-P1Open ↗
08/31/2026B01409673-P1Open ↗
08/31/2026B01409673-P1Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/16/2026B01409673-I1Open ↗
08/16/2026B01409673-P1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature2
08/31/2026B01409673-P1Open ↗
08/23/2026B01409673-I1Open ↗
▸Environmental & Asbestos2
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/16/2026B01409673-P1Open ↗
08/16/2026B01409673-I1Open ↗