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BuildNYC
Primarily 1 family with 1 store or office
8729 20TH AVENUE
BROOKLYN · Bath Beach · BIN 3167852
💬 Discuss this project
1910Year Built
2.75Stories
S1Building Class
R5Zoning
—Gross Floor Area
2Units
3 Active Violations 2 unresolved · 1 paperwork only 8 old, status unconfirmed ▸FDNY Report ↗
Primarily 1 family with 1 store or office · 0.86 FAR built · Flood zone X
Locations of Work
General
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 41 filing · 7 docs
Floor 3
Floor 2
Floor 11 filing · 7 docs
Cellar1 filing · 7 docs
Site & exteriorTemporary construction fenceUnder Construction2p · 1 filing · 2 docs
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Eduard Grinfeld710/12/2026
Yang Engineering107/06/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Marinelli VitoElectrical103/21/2026
Acer ConstructionScaffold107/08/2026
Building Lifecycle
All (123)Filed (8)Permit Issued (1)Violation (17)Objection (67)Special Inspection (30)
10/12/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
CONVERT EXISTING 2 STORY BUILDING TO 5 STORY COMMUNITY FACILITY AND RESIDENTIAL MIX-USE BUILDING WITH HORIZONTAL AND VERTICAL ENLARGEMENT. OBTAIN NEW CERTIFICATE OF OCCUPANCY.
B01425655-S3
10/08/2026
Objection raised — Other
10/08/2026
Objection resolved — Resolved
10/08/2026
Objection resolved — Resolved
10/08/2026
Objection resolved — Resolved
10/08/2026
Objection resolved — Resolved
10/08/2026
Objection resolved — Resolved
10/08/2026
Objection resolved — Resolved
10/08/2026
Objection resolved — Resolved
10/08/2026
Objection resolved — Resolved
10/07/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
CONVERT EXISTING 2 STORY BUILDING TO 5 STORY COMMUNITY FACILITY AND RESIDENTIAL MIX-USE BUILDING WITH HORIZONTAL AND VERTICAL ENLARGEMENT. OBTAIN NEW CERTIFICATE OF OCCUPANCY.
B01425655-S5
10/07/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
CONVERT EXISTING 2 STORY BUILDING TO 5 STORY COMMUNITY FACILITY AND RESIDENTIAL MIX-USE BUILDING WITH HORIZONTAL AND VERTICAL ENLARGEMENT. OBTAIN NEW CERTIFICATE OF OCCUPANCY.
B01425655-S6
10/07/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
CONVERT EXISTING 2 STORY BUILDING TO 5 STORY COMMUNITY FACILITY AND RESIDENTIAL MIX-USE BUILDING WITH HORIZONTAL AND VERTICAL ENLARGEMENT. OBTAIN NEW CERTIFICATE OF OCCUPANCY.
B01425655-S4
10/07/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
10/07/2026
Special inspection requirement — Final
10/07/2026
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
10/07/2026
Special inspection requirement — Subgrade Inspections
10/07/2026
Special inspection requirement — Structural Cold-Formed Steel
10/07/2026
Special inspection requirement — Construction Operations Influencing Adjacent Structures
10/07/2026
Special inspection requirement — Concrete - Cast-In-Place
10/07/2026
Special inspection requirement — Masonry
10/06/2026
Objection raised — Fire_Protection
10/06/2026
Objection raised — Scope
10/06/2026
Objection raised — Inspections
10/06/2026
Objection raised — Scope
10/06/2026
Objection raised — Cost
10/06/2026
Objection raised — Structural
10/06/2026
Objection raised — Fire_Protection
10/06/2026
Objection raised — Mechanical
10/06/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
10/06/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
10/06/2026
Special inspection requirement — Concrete - Cast-In-Place
10/06/2026
Special inspection requirement — Masonry
10/06/2026
Special inspection requirement — Subgrade Inspections
10/06/2026
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
10/06/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
10/06/2026
Special inspection requirement — Construction Operations Influencing Adjacent Structures
10/06/2026
Special inspection requirement — Final
10/06/2026
Special inspection requirement — Footing and Foundation
10/06/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
10/06/2026
Special inspection requirement — Concrete - Cast-In-Place
10/06/2026
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
10/06/2026
Special inspection requirement — Post-installed Anchors
10/06/2026
Special inspection requirement — Structural Steel - Details
10/06/2026
Special inspection requirement — Structural Steel - High Strength Bolting
10/06/2026
Special inspection requirement — Structural Steel - Welding
09/30/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
CONVERT EXISTING 2 STORY BUILDING TO 5 STORY COMMUNITY FACILITY AND RESIDENTIAL MIX-USE BUILDING WITH HORIZONTAL AND VERTICAL ENLARGEMENT. OBTAIN NEW CERTIFICATE OF OCCUPANCY.
B01425655-S2
09/30/2026
Filed — ALT-CO - New Building with Existing Elements to Remain
CONVERT EXISTING 2 STORY BUILDING TO 5 STORY COMMUNITY FACILITY AND RESIDENTIAL MIX-USE BUILDING WITH HORIZONTAL AND VERTICAL ENLARGEMENT. OBTAIN NEW CERTIFICATE OF OCCUPANCY.
B01425655-S1
09/30/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
09/30/2026
Special inspection requirement — HVAC-R and service water heating system controls
09/30/2026
Special inspection requirement — Maintenance information
09/30/2026
Special inspection requirement — HVAC-R and service water heating equipment
09/30/2026
Special inspection requirement — Energy Code Compliance Inspections
07/29/2026
Objection resolved — Resolved
07/29/2026
Objection resolved — Addressed
07/29/2026
Objection resolved — Addressed
07/29/2026
Objection resolved — Resolved
07/29/2026
Objection resolved — Addressed
07/29/2026
Objection resolved — Resolved
07/29/2026
Objection resolved — Resolved
Latest 60 of 123 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedAcer Construction07/06/2026
BISBLISSUEDMetro06/12/2009
BISPLISSUEDDibenedetto Plumbing & Heating03/23/1995
BISOTISSUEDCareccia & Sons02/28/1995
1 project · most recent 10/12/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
10/12/2026——Gas, Storm, Water/Sanitary
1 project · most recent 07/06/2026
Fence
FiledStatusContractorScope
07/06/2026Permit IssuedAcer ConstructionFence
▾Special Inspection Requirements (DOB NOW) — 59
DateRequirementInspectorRole
10/07/2026Structural Stability – Alterations of existing buildings—special
10/07/2026Final—progress
10/07/2026Subsurface Conditions – Fill Placement & In-Place Density—special
10/07/2026Subgrade Inspections—special
10/07/2026Structural Cold-Formed Steel—special
10/07/2026Construction Operations Influencing Adjacent Structures—special
10/07/2026Concrete - Cast-In-Place—special
10/07/2026Masonry—special
10/06/2026Structural Stability – Alterations of existing buildings—special
10/06/2026Structural Stability – Alterations of existing buildings—special
10/06/2026Concrete - Cast-In-Place—special
10/06/2026Masonry—special
10/06/2026Subgrade Inspections—special
10/06/2026Subsurface Conditions – Fill Placement & In-Place Density—special
10/06/2026Subsurface Investigations (Borings/Test Pits)—special
10/06/2026Construction Operations Influencing Adjacent Structures—special
10/06/2026Final—progress
10/06/2026Footing and Foundation—progress
10/06/2026Subsurface Investigations (Borings/Test Pits)—special
10/06/2026Concrete - Cast-In-Place—special
10/06/2026Excavations - Sheeting, Shoring, and Bracing—special
10/06/2026Post-installed Anchors—special
10/06/2026Structural Steel - Details—special
10/06/2026Structural Steel - High Strength Bolting—special
10/06/2026Structural Steel - Welding—special
Latest 25 of 59.
▾Documents — 23 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
08/16/2026B01426093-I1Request digital key ↗
08/15/2026B01425655-I1Request digital key ↗
▸Applications & Permits4
▸BISWORK PERMIT APPLICATION3
08/04/2010320031504Open ↗
06/12/2009320031504Open ↗
06/12/2009320031504Open ↗
▸BISPLAN / WORK APPROVAL APPLICATION1
06/12/2009320031504Open ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWZD1: DOB Zoning Diagram1
08/15/2026B01425655-I1Open ↗
▸Seals & Professional Certifications5
▸DOB NOWDPL-1: Design Professional Seal & Signature3
10/05/2026B01425655-S1Open ↗
08/16/2026B01426093-I1Open ↗
08/16/2026B01425655-I1Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
06/12/2009320031504Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
06/12/2009320031504Open ↗
▸Trade Schedules & Equipment4
▸BISSELF-CERT PLUMBING NOTICE2
09/23/2010320031504Open ↗
09/08/2010320031504Open ↗
▸BISSCHEDULE B - PLUMBING1
06/12/2009320031504Open ↗
▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT1
06/12/2009320031504Open ↗
▸Environmental & Asbestos1
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
06/12/2009320031504Open ↗
▸Approvals, Objections & Sign-offs1
▸BISADMINISTRATIVE OBJECTIONS1
06/12/2009320031504Open ↗
▸Cost, Insurance & Ownership1
▸BISCOST AFFIDAVIT1
06/12/2009320031504Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
06/12/2009320031504Open ↗
▸Other Documents3
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/15/2026B01425655-I1Open ↗
▸DOB NOWProperty Ownership Certification1
08/15/2026B01425655-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/15/2026B01425655-I1Open ↗