Walk-up apt, over six families with stores

431 DEKALB AVENUE

BROOKLYN · Clinton Hill · BIN 3055135

💬 Discuss this project

1905Year Built

4Stories

C7Building Class

R7AZoning

9,302 sfGross Floor Area

10Units

Rent Stabilized0 Open ViolationsFDNY Report ↗

Walk-up apt, over six families with stores · Owner of record: YEH GROUP 431 DEKALB AVE LLC · 2,500 sf lot · 3.72 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralMechanicalPlumbingGeneral

Roof37p · 1 filing · 20 docs

Floor 227p · 1 filing · 20 docs

Floor 135p · 1 filing · 20 docs

Cellar38p · 1 filing · 20 docs

▾Owner History (Filing Record)

Companies and organizations named on filings. Individual owners are not shown.

Owner	Filings	Most Recent
YEH GROUP 431 DEKALB AVE LLC	2	03/22/2026
CHS CONTRACTING	5	03/22/2026
YEA GROUP 431 DEKALB AVE	1	03/22/2026
MANHATTAN D ENTERPRISES	1	03/22/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
01/14/2022	$1.8M	—	— → —	$196/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
BILD ARCHITECTURE	10	01/22/2024
VASILIOS ARTEMIOU PE	5	10/11/2023
STRUCTURAL ENGINEERING TECHNOLOGIES	2	09/27/2023
FL&M ENGINEERING DESIGN &INSPECTION	2	02/09/2023

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
GREEN STUDIO	4	03/21/2026
PWF	17	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
CHS CONTRACTING LLC	General Contractor	9	07/08/2026
MANHATTAN D ENTERPRISES	General Contractor	6	03/21/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
C.M. TESTING LABORATORY,	1352	12	01/22/2024
CENTURY TESTING & CONSULT	4081	3	10/11/2023

Building Lifecycle

All (157)Filed (19)Permit Issued (7)Signed Off (6)Violation (49)Inspection (6)Objection (40)Special Inspection (30)

05/08/2025

Violation issued (HPD, closed)

05/08/2025

Violation issued (HPD, closed)

10/31/2024

Violation issued (HPD, closed)

10/31/2024

Violation issued (HPD, closed)

10/31/2024

Violation issued (HPD, closed)

10/31/2024

Violation issued (HPD, closed)

10/31/2024

Violation issued (HPD, closed)

10/31/2024

Violation issued (HPD, closed)

08/21/2024

Violation issued (HPD, closed)

08/21/2024

Violation issued (HPD, closed)

03/28/2024

Signed off — Alteration CO

HORIZONTAL AND VERTICAL EXTENSION AND THE ADDITION OF A RESIDENTIAL DWELLING UNIT TO AN EXISTING 4 STORY MIXED USE MASONRY BUILDING AS PER PLANS.

B00747728-I1

03/08/2024

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

03/07/2024

Violation issued (HPD, closed)

03/07/2024

Violation issued (HPD, closed)

03/07/2024

Violation issued (HPD, closed)

03/01/2024

Objection raised — Admin

03/01/2024

Objection resolved — Addressed

03/01/2024

Special inspection requirement — Fire-Resistant Penetrations and Joints

JOHN SEMIOLI

03/01/2024

Special inspection requirement — Fenestration and door U-factor and product ratings

JOHN SEMIOLI

03/01/2024

Special inspection requirement — Energy Code Compliance Inspections

JOHN SEMIOLI

03/01/2024

Special inspection requirement — Insulation placement and R values

JOHN SEMIOLI

02/22/2024

Objection resolved — Addressed

02/22/2024

Objection resolved — Addressed

02/22/2024

Objection resolved — Addressed

02/22/2024

Objection resolved — Addressed

02/22/2024

Objection resolved — Addressed

02/13/2024

Objection resolved — Addressed

02/06/2024

Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test

Certified

View inspection ↗

02/06/2024

Objection resolved — Addressed

02/06/2024

Objection resolved — Addressed

02/02/2024

Inspection — Certified Sprinkler-SP-Fixtures-Finish

Certified

View inspection ↗

01/29/2024

Objection raised — Accessibility

01/29/2024

Objection raised — Structural

01/29/2024

Objection raised — Structural

01/29/2024

Objection raised — Other

01/29/2024

Objection raised — Zoning

01/29/2024

Objection raised — Structural

01/29/2024

Objection raised — Structural

01/29/2024

Objection raised — Mechanical

01/22/2024

Filed — Alteration CO

HORIZONTAL AND VERTICAL EXTENSION AND THE ADDITION OF A RESIDENTIAL DWELLING UNIT TO AN EXISTING 4 STORY MIXED USE MASONRY BUILDING AS PER PLANS.

B00747728-A3

01/18/2024

Special inspection requirement — Fenestration and door U-factor and product ratings

JOHN SEMIOLI

01/18/2024

Special inspection requirement — Fire-Resistant Penetrations and Joints

JOHN SEMIOLI

01/18/2024

Special inspection requirement — Insulation placement and R values

JOHN SEMIOLI

01/18/2024

Special inspection requirement — Energy Code Compliance Inspections

JOHN SEMIOLI

01/05/2024

Filed — Alteration CO

HORIZONTAL AND VERTICAL EXTENSION AND THE ADDITION OF A RESIDENTIAL DWELLING UNIT TO AN EXISTING 4 STORY MIXED USE MASONRY BUILDING AS PER PLANS.

B00747728-A2

01/05/2024

Special inspection requirement — Fire-Resistant Penetrations and Joints

JOHN SEMIOLI

01/05/2024

Special inspection requirement — Fenestration and door U-factor and product ratings

JOHN SEMIOLI

01/05/2024

Special inspection requirement — Insulation placement and R values

JOHN SEMIOLI

01/05/2024

Special inspection requirement — Energy Code Compliance Inspections

JOHN SEMIOLI

01/04/2024

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

12/13/2023

Signed off — Alteration CO

HORIZONTAL AND VERTICAL EXTENSION AND THE ADDITION OF A RESIDENTIAL DWELLING UNIT TO AN EXISTING 4 STORY MIXED USE MASONRY BUILDING AS PER PLANS.

B00747728-S5

11/29/2023

Permit issued — General Construction

B00747728-S5-ST

11/29/2023

Permit issued — Structural

B00747728-S5-FO

11/24/2023

Permit issued — General Construction

B00747728-I1-GC

11/24/2023

Permit issued — General Construction

B00747728-S5-GC

11/22/2023

Signed off — Alteration CO

HORIZONTAL AND VERTICAL EXTENSION AND THE ADDITION OF A RESIDENTIAL DWELLING UNIT TO AN EXISTING 4 STORY MIXED USE MASONRY BUILDING AS PER PLANS.

B00747728-S4

11/16/2023

Violation issued (HPD, closed)

11/16/2023

Violation issued (HPD, closed)

11/16/2023

Violation issued (HPD, closed)

11/16/2023

Violation issued (HPD, closed)

Latest 60 of 157 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Signed-off	CHS CONTRACTING	11/29/2023
DOB NOW	Structural	Signed-off	CHS CONTRACTING	11/29/2023
DOB NOW	General Construction	Permit Issued	CHS CONTRACTING	11/24/2023
DOB NOW	General Construction	Signed-off	CHS CONTRACTING	11/24/2023
DOB NOW	Mechanical Systems	Signed-off	CHS CONTRACTING	11/08/2023
DOB NOW	Sidewalk Shed	Signed-off	MANHATTAN D ENTERPRISES	01/19/2023
DOB NOW	Supported Scaffold	Signed-off	MANHATTAN D ENTERPRISES	01/19/2023
BIS	PL	ISSUED	TOWER PLUMBING & HTG CORP	12/06/2007

1 project · most recent 01/22/2024

Heating and Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
01/22/2024	Signed-off	CHS CONTRACTING LLC	Heating and Air Conditioning Systems	Heat / Cool Daikin 3MXS24RMVJUA 24,000 BTU · Heat Pump Outdoor ×6 4MXS36WMVJU9 18,000 BTU · Heat Pump Outdoor ×2 5MXS48TVJU 36,000 BTU · Heat Pump Outdoor ×2 RXTQ60TAVJU 5,700 BTU · Vrf Outdoor ×4 4MXS36RMVJU 36,000 BTU · Heat Pump Outdoor ×2 RX18AXVJU 18,000 BTU · Heat Pump Outdoor ×2

1 project · most recent 01/22/2024

Water/Sanitary

Filed	Status	Contractor	Scope
01/22/2024	—	—	Water/Sanitary

4 projects · most recent 02/09/2023

General Wiring

Filed	Status	Contractor	Scope
02/09/2023	Complete	ELECTRICAL SOLUTIONS LLC	General Wiring
01/11/2023	Complete	SOLAS ELECTRICAL CORP	—
01/22/2019	Complete	WILLDAN ELECTRICAL OF NY	General Wiring
11/08/2018	Complete	WILLDAN ELECTRICAL OF NY	General Wiring

1 project · most recent 01/22/2024

Steel Concrete Masonry

Filed	Status	Contractor	Scope
01/22/2024	Signed-off	CHS CONTRACTING LLC	Steel, Concrete, Masonry

1 project · most recent 01/22/2024

Fence

Filed	Status	Contractor	Scope
01/22/2024	Signed-off	CHS CONTRACTING LLC	Fence

▾Field Inspections (DOB CAP) — 6

Date	Type	Result	Report
03/08/2024	Pass-Final CND-Occupancy Inspection	Pass	View ↗
02/06/2024	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
02/02/2024	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
01/04/2024	Pass-Final CND-Occupancy Inspection	Pass	View ↗
09/01/2023	Pass-Final CND-Occupancy Inspection	Pass	View ↗
05/08/2023	Pass-Final CND-Occupancy Inspection	Pass	View ↗

▾Special Inspection Requirements (DOB NOW) — 94

Date	Requirement	Inspector	Role
03/01/2024	Insulation placement and R values	JOHN SEMIOLI	energy_progress
03/01/2024	Fenestration and door U-factor and product ratings	JOHN SEMIOLI	energy_progress
03/01/2024	Fire-Resistant Penetrations and Joints	JOHN SEMIOLI	special
03/01/2024	Energy Code Compliance Inspections	JOHN SEMIOLI	progress
01/18/2024	Insulation placement and R values	JOHN SEMIOLI	energy_progress
01/18/2024	Fenestration and door U-factor and product ratings	JOHN SEMIOLI	energy_progress
01/18/2024	Fire-Resistant Penetrations and Joints	JOHN SEMIOLI	special
01/18/2024	Energy Code Compliance Inspections	JOHN SEMIOLI	progress
01/05/2024	Energy Code Compliance Inspections	JOHN SEMIOLI	progress
01/05/2024	Fenestration and door U-factor and product ratings	JOHN SEMIOLI	energy_progress
01/05/2024	Insulation placement and R values	JOHN SEMIOLI	energy_progress
01/05/2024	Fire-Resistant Penetrations and Joints	JOHN SEMIOLI	special
10/24/2023	Energy Code Compliance Inspections	JOHN SEMIOLI	progress
10/24/2023	Fenestration and door U-factor and product ratings	JOHN SEMIOLI	energy_progress
10/24/2023	Insulation placement and R values	JOHN SEMIOLI	energy_progress
10/24/2023	Structural Cold-Formed Steel	JOHN SEMIOLI	special
10/24/2023	Structural Stability – Alterations of existing buildings	JOHN SEMIOLI	special
10/24/2023	Structural Steel - Details	JOHN SEMIOLI	special
10/24/2023	Masonry	JOHN SEMIOLI	special
10/24/2023	Subsurface Conditions – Fill Placement & In-Place Density	JOHN SEMIOLI	special
10/24/2023	Footing and Foundation	JOHN SEMIOLI	progress
10/24/2023	Final	JOHN SEMIOLI	progress
10/24/2023	Construction Operations Influencing Adjacent Structures	JOHN SEMIOLI	special
10/24/2023	Tenant Protection Plan Compliance	JOHN SEMIOLI	special
10/24/2023	Subgrade Inspections	JOHN SEMIOLI	special

Latest 25 of 94.

▾Documents — 210 on file (BIS + DOB NOW)

▸Plans & Drawings19

▸DOB NOWPlans/Sketch19

08/27/2026B00813299-P1Request digital key ↗

08/27/2026B00813299-I1Request digital key ↗

08/26/2026B00747728-S4Request digital key ↗

Showing 3 of 19 on file for this type

▸Applications & Permits3

▸BISWORK PERMIT APPLICATION2

12/06/2007310044760Open ↗

11/20/2007310044760Open ↗

▸BISPLAN / WORK APPROVAL APPLICATION1

06/15/2023310044760Open ↗

▸Zoning, Tax Lot & Property Records17

▸DOB NOWZoning Exhibit form (1-5)8

08/13/2026B00747728-P9Open ↗

08/13/2026B00747728-P6Open ↗

08/13/2026B00747728-P5Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWZD1: DOB Zoning Diagram8

08/13/2026B00747728-P2Open ↗

08/13/2026B00747728-I1Open ↗

08/13/2026B00747728-A1Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWHouse Number Verification: TOPO Stamp1

08/13/2026B00747728-I1Open ↗

▸Seals & Professional Certifications113

▸DOB NOWProgress Inspector Seal & Signature52

09/21/2026B00747728-S3Open ↗

Showing 3 of 52 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature40

09/21/2026B00747728-S3Open ↗

09/04/2026B00747728-P5Open ↗

Showing 3 of 40 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature19

08/27/2026B00813299-I1Open ↗

08/13/2026B00747728-P9Open ↗

08/13/2026B00747728-P3Open ↗

Showing 3 of 19 on file for this type

▸BISPC FULL REPORT1

11/02/2007310044760Open ↗

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION1

11/02/2007310044760Open ↗

▸Safety & Tenant Protection10

▸DOB NOWStreet Tree Checklist10

08/13/2026B00747728-A2Open ↗

08/13/2026B00747728-P6Open ↗

08/13/2026B00747728-S5Open ↗

Showing 3 of 10 on file for this type

▸Environmental & Asbestos5

▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form4

08/13/2026B00747728-I1Open ↗

08/13/2026B00747728-S5Open ↗

08/13/2026B00747728-S3Open ↗

Showing 3 of 4 on file for this type

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1

11/02/2007310044760Open ↗

▸Energy Compliance1

▸DOB NOWEN2: As Built Energy Analysis1

08/13/2026B00747728-I1Open ↗

▸Approvals, Objections & Sign-offs1

▸BISADMINISTRATIVE OBJECTIONS1

11/02/2007310044760Open ↗

▸Cost, Insurance & Ownership2

▸BISCOST AFFIDAVIT2

12/06/2007310044760Open ↗

11/20/2007310044760Open ↗

▸Other Documents39

▸DOB NOWSite Survey: Initial10

08/13/2026B00747728-A3Open ↗

08/13/2026B00747728-I1Open ↗

08/13/2026B00747728-A2Open ↗

Showing 3 of 10 on file for this type

▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone10

08/13/2026B00747728-P6Open ↗

08/13/2026B00747728-P2Open ↗

08/13/2026B00747728-I1Open ↗

Showing 3 of 10 on file for this type

▸DOB NOWPlot Diagram10

08/13/2026B00747728-P3Open ↗

08/13/2026B00747728-P9Open ↗

08/13/2026B00747728-P6Open ↗

Showing 3 of 10 on file for this type

▸DOB NOWProperty Ownership Certification8

08/13/2026B00747728-A3Open ↗

08/13/2026B00747728-I1Open ↗

08/13/2026B00747728-P5Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWFinal Survey1

08/13/2026B00747728-I1Open ↗