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Two stories - detached, small or mid-size
877 EAST 9 STREET
BROOKLYN · Mapleton-Midwood (West) · BIN 3170566
💬 Discuss this project
1925Year Built
2.5Stories
A1Building Class
R2XZoning
1,863 sfGross Floor Area
1Units
1 Open Violation ▸FDNY Report ↗
Two stories - detached, small or mid-size · Owner of record: 877 E9 LLC · 3,000 sf lot · 0.62 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingGeneral
Permit Issued — active, not yet Signed-off
Floor 3Under Construction9p · 1 filing · 20 docs
Floor 2Under Construction44p · 1 filing · 20 docs
Floor 1Under Construction46p · 1 filing · 20 docs
CellarUnder Construction40p · 1 filing · 20 docs
Site & exteriorUnder Construction54p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
877 E92207/08/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/31/2024$2.9M—— → —$1,530/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MSM ENGINEERING SERVICES, PLLC405/01/2026
RAHMAN CONSULTING406/02/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
MISTER EXPEDITER703/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
U.S. TEAM INCGeneral Contractor607/08/2026
AUTHENTIC PLBG CORPPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
MSM ENGINEERING SERVICES,8449605/01/2026
SHAHRISH SHUVO ENGINEERIN8524103/20/2025
Building Lifecycle
All (126)Filed (8)Permit Issued (7)Violation (3)Inspection (2)Objection (80)Special Inspection (26)
06/07/2026
Violation issued (ECB, open)
Construction
05/15/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
05/15/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
05/06/2026
Objection resolved — Addressed
05/05/2026
Objection raised — Scope
05/01/2026
Filed — Alteration
INSTALLATION OF 8'-0" PLYWOOD CONSTRUCTION FENCE
B01134142-P2
04/30/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
MOHAMED MAHMOUD
04/30/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
MOHAMED MAHMOUD
04/30/2026
Special inspection requirement — HVAC-R and service water heating system controls
MOHAMED MAHMOUD
04/30/2026
Special inspection requirement — Permanent certificate
MOHAMED MAHMOUD
04/30/2026
Special inspection requirement — Maintenance information
MOHAMED MAHMOUD
04/30/2026
Special inspection requirement — Energy Code Compliance Inspections
MOHAMED MAHMOUD
01/16/2026
Violation issued (ECB, closed)
Construction
01/12/2026
Violation issued (ECB, closed)
Construction
12/29/2025
Permit issued — Plumbing
B01134142-S2-PL
11/13/2025
Permit issued — Foundation
B01134142-S4-FO
10/31/2025
Permit issued — Support of Excavation
B01134142-S5-SE
10/20/2025
Permit issued — Construction Fence
B01134142-S1-FN
10/17/2025
Permit issued — General Construction
B01134142-I1-GC
10/17/2025
Permit issued — Structural
B01134142-S3-ST
10/16/2025
Objection resolved — Addressed
10/10/2025
Special inspection requirement — Final
Feng Zhang
10/10/2025
Special inspection requirement — Structural Steel - High Strength Bolting
MOHAMED MAHMOUD
10/10/2025
Special inspection requirement — Structural Steel - Welding
MOHAMED MAHMOUD
10/10/2025
Special inspection requirement — Structural Cold-Formed Steel
MOHAMED MAHMOUD
10/10/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
MOHAMED MAHMOUD
10/10/2025
Special inspection requirement — Structural Steel - Details
MOHAMED MAHMOUD
10/10/2025
Special inspection requirement — Structural Wood Frame
MOHAMED MAHMOUD
08/11/2025
Objection resolved — Addressed
07/30/2025
Permit issued — Construction Fence
B01134142-S1-FN
07/30/2025
Objection raised — Zoning
06/02/2025
Filed — Alteration
INSTALLATION OF 8'-0" PLYWOOD CONSTRUCTION FENCE
B01134142-P1
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/28/2025
Objection resolved — Addressed
04/25/2025
Objection resolved — Addressed
04/25/2025
Special inspection requirement — Structural Steel - High Strength Bolting
04/25/2025
Special inspection requirement — Structural Steel - Welding
04/25/2025
Special inspection requirement — Final
04/25/2025
Special inspection requirement — Structural Wood Frame
04/25/2025
Special inspection requirement — Structural Cold-Formed Steel
04/25/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
04/25/2025
Special inspection requirement — Structural Steel - Details
04/17/2025
Objection raised — Structural
Latest 60 of 126 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingPermit IssuedAUTHENTIC PLBG CORP12/29/2025
DOB NOWFoundationPermit IssuedUS TEAM11/13/2025
DOB NOWSupport of ExcavationPermit IssuedUS TEAM10/31/2025
DOB NOWConstruction FencePermit IssuedUS TEAM10/20/2025
DOB NOWGeneral ConstructionPermit IssuedUS TEAM10/17/2025
DOB NOWStructuralPermit IssuedUS TEAM10/17/2025
DOB NOWConstruction FencePermit IssuedUS TEAM07/30/2025
1 project · most recent 05/01/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
05/01/2026Permit IssuedAUTHENTIC PLBG CORPGas, Storm, Water/Sanitary
2 projects · most recent 08/24/2026
General Wiring
FiledStatusContractorScope
08/24/2026Permit IssuedINTERSTATE ELECTRIC, LLC1 meters, 1 new_meters
10/23/2025Permit IssuedINTERSTATE ELECTRIC, LLCGeneral Wiring
1 project · most recent 05/01/2026
Wood
FiledStatusContractorScope
05/01/2026Permit IssuedAUTHENTIC PLBG CORPWood
1 project · most recent 05/01/2026
Fence
FiledStatusContractorScope
05/01/2026Permit IssuedAUTHENTIC PLBG CORPFence
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
05/15/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
05/15/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 26
DateRequirementInspectorRole
04/30/2026Fire-Resistant Penetrations and JointsMOHAMED MAHMOUDspecial
04/30/2026HVAC-R and service water piping design and insulationMOHAMED MAHMOUDenergy_progress
04/30/2026HVAC-R and service water heating system controlsMOHAMED MAHMOUDenergy_progress
04/30/2026Permanent certificateMOHAMED MAHMOUDenergy_progress
04/30/2026Maintenance informationMOHAMED MAHMOUDenergy_progress
04/30/2026Energy Code Compliance InspectionsMOHAMED MAHMOUDprogress
10/10/2025FinalFeng Zhangprogress
10/10/2025Structural Steel - High Strength BoltingMOHAMED MAHMOUDspecial
10/10/2025Structural Steel - WeldingMOHAMED MAHMOUDspecial
10/10/2025Structural Cold-Formed SteelMOHAMED MAHMOUDspecial
10/10/2025Structural Stability – Alterations of existing buildingsMOHAMED MAHMOUDspecial
10/10/2025Structural Steel - DetailsMOHAMED MAHMOUDspecial
10/10/2025Structural Wood FrameMOHAMED MAHMOUDprogress
04/25/2025Structural Steel - High Strength Bolting—special
04/25/2025Structural Steel - Welding—special
04/25/2025Final—progress
04/25/2025Structural Wood Frame—progress
04/25/2025Structural Cold-Formed Steel—special
04/25/2025Structural Stability – Alterations of existing buildings—special
04/25/2025Structural Steel - Details—special
03/19/2025Excavations - Sheeting, Shoring, and BracingMOHAMED MAHMOUDspecial
03/19/2025Subsurface Investigations (Borings/Test Pits)FAHAD FATEHspecial
03/19/2025Subgrade InspectionsShahrish Shuvospecial
03/19/2025Structural Stability – Alterations of existing buildingsMOHAMED MAHMOUDspecial
01/24/2025Structural Stability – Alterations of existing buildingsMOHAMED MAHMOUDspecial
Latest 25 of 26.
▾Documents — 48 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch8
08/17/2026B01134142-S2Request digital key ↗
08/17/2026B01134142-S1Request digital key ↗
08/17/2026B01134142-I1Request digital key ↗
Showing 3 of 8 on file for this type
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B01134142-I1Open ↗
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B01134142-I1Open ↗
▸Seals & Professional Certifications19
▸DOB NOWDPL-1: Design Professional Seal & Signature8
08/17/2026B01134142-S3Open ↗
08/17/2026B01134142-P2Open ↗
08/13/2026B01134142-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
08/31/2026B01134142-S3Open ↗
08/29/2026B01134142-P2Open ↗
08/27/2026B01134142-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWProgress Inspector Seal & Signature5
08/31/2026B01134142-S3Open ↗
08/31/2026B01134142-S3Open ↗
08/29/2026B01134142-P2Open ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/17/2026B01134142-S3Open ↗
08/15/2026B01134142-P2Open ↗
08/13/2026B01134142-S5Open ↗
Showing 3 of 7 on file for this type
▸Inspections & Test Reports6
▸DOB NOWGeotechnical Report (BC 1803.6)2
08/13/2026B01134142-S5Open ↗
08/13/2026B01134142-S4Open ↗
▸DOB NOWTR4 Test Report and Plot Diagram2
08/13/2026B01134142-S4Open ↗
08/13/2026B01134142-S5Open ↗
▸DOB NOWSOIL REPORT2
08/13/2026B01134142-S4Open ↗
08/13/2026B01134142-S5Open ↗
▸Other Documents6
▸DOB NOWPlot Diagram3
08/13/2026B01134142-I1Open ↗
08/13/2026B01134142-S5Open ↗
08/13/2026B01134142-S4Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B01134142-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B01134142-I1Open ↗
▸DOB NOWAdjoining Owners Notification1
08/13/2026B01134142-S5Open ↗