Locations of Work

ArchitectureStructuralMechanicalPlumbingGeneral

Permit Issued — active, not yet Signed-off

Roof4p · 2 filings · 20 docs

Floor 2Under Construction26p · 1 filing · 20 docs

Floor 1Under Construction25p · 1 filing · 20 docs

CellarUnder Construction28p · 3 filings · 20 docs

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
10/11/2023	$1.2M	—	— → —	$416/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
SERDAR CEYLAN ARCHITECT, PC	11	08/13/2026
TOM PETERSEN ARCHITECT, LLC	1	02/26/2025
JUST CONSULTING ENGINEERING	3	10/14/2024

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
Mdl consulting services	3	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
NYC BUILDING SOLUTIONS CO	General Contractor	6	03/21/2026
SB RENOVATION & MODELING	General Contractor	3	04/09/2026
SOLARBLOCKS ENERGY LLC	General Contractor	1	04/09/2026
GREGG NY PLUMBING, INC	Plumbing	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
TRIANGLE INSPECTION & TES	7495	10	08/13/2026
THOMAS PETERSEN ARCHITECT	7854	1	02/26/2025
DOYUN KIM; RA	7415	3	10/14/2024

Building Lifecycle

All (74)Filed (15)Permit Issued (7)Signed Off (2)Violation (5)Inspection (6)Objection (9)Special Inspection (30)

08/13/2026

Filed — ALT-CO - New Building with Existing Elements to Remain

HORIZONTAL EXTENSION OF THE EXISTING ONE-FAMILY HOUSE AS PER PLANS SUBMITTED.

Q01011927-P5

07/08/2026

Violation issued (ECB, open)

Construction

07/01/2026

Signed off — Alteration

The scope of work pertains exclusively to the installation of the solar system. Any additional tasks or activities should not be assumed as approved or permitted by the NYC Department of Buildings. No change to use, egress, or occupancy.

Q01186809-I1

06/15/2026

Special inspection requirement — HVAC-R and service water piping design and insulation

Rajasekhar Sakhamuri

06/15/2026

Special inspection requirement — Energy Code Compliance Inspections

Rajasekhar Sakhamuri

06/15/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

Rajasekhar Sakhamuri

06/15/2026

Special inspection requirement — HVAC-R and service water heating equipment

Rajasekhar Sakhamuri

06/11/2026

Violation issued (ECB, open)

Construction

06/09/2026

Filed — Alteration

INSTALL NEW PLUMBING FIXTURES AND GAS EQUIPMENT IN CONJUNCTION WITH CONSTRUCTION JOB #Q01011927-I1 ON EXIST. ONE FAMILY HOUSE. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

Q00986065-P4

06/09/2026

Filed — ALT-CO - New Building with Existing Elements to Remain

HORIZONTAL EXTENSION OF THE EXISTING ONE-FAMILY HOUSE AS PER PLANS SUBMITTED.

Q01011927-P4

04/30/2026

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

04/01/2026

Filed — Alteration

INSTALL NEW PLUMBING FIXTURES AND GAS EQUIPMENT IN CONJUNCTION WITH CONSTRUCTION JOB #Q01011927-I1 ON EXIST. ONE FAMILY HOUSE. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

Q00986065-P3

03/18/2026

Special inspection requirement — Energy Code Compliance Inspections

Rajasekhar Sakhamuri

03/18/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

Rajasekhar Sakhamuri

03/18/2026

Special inspection requirement — HVAC-R and service water piping design and insulation

Rajasekhar Sakhamuri

03/18/2026

Special inspection requirement — HVAC-R and service water heating equipment

Rajasekhar Sakhamuri

03/13/2026

Signed off — Alteration

INSTALLATION OF CONSTRUCTION FENCE AS PER PLANS SUBMITTED. NO CHANGEIN USE, EGRESS OR OCCUPANCY.

Q00999235-I1

01/05/2026

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

12/16/2025

Objection resolved — Addressed

12/12/2025

Objection raised — Other

12/04/2025

Inspection — Fail-Final CND-Occupancy Inspection

Fail

View inspection ↗

11/27/2025

Filed — ALT-CO - New Building with Existing Elements to Remain

HORIZONTAL EXTENSION OF THE EXISTING ONE-FAMILY HOUSE AS PER PLANS SUBMITTED.

Q01011927-P3

11/27/2025

Filed — Alteration

INSTALL NEW PLUMBING FIXTURES AND GAS EQUIPMENT IN CONJUNCTION WITH CONSTRUCTION JOB #Q01011927-I1 ON EXIST. ONE FAMILY HOUSE. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

Q00986065-P2

11/26/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

Rajasekhar Sakhamuri

11/26/2025

Special inspection requirement — Energy Code Compliance Inspections

Rajasekhar Sakhamuri

10/14/2025

Special inspection requirement — Insulation placement and R values

JEFFREY BELL

10/14/2025

Special inspection requirement — Lighting controls

JEFFREY BELL

10/14/2025

Special inspection requirement — HVAC-R and service water heating equipment

JEFFREY BELL

10/14/2025

Special inspection requirement — Permanent certificate

JEFFREY BELL

10/14/2025

Special inspection requirement — Ventilation and air distribution system

JEFFREY BELL

10/14/2025

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

JEFFREY BELL

10/14/2025

Special inspection requirement — Electric vehicle service equipment requirements

JEFFREY BELL

10/14/2025

Special inspection requirement — Fire-Resistance Rated Construction

JEFFREY BELL

10/14/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

Rajasekhar Sakhamuri

10/14/2025

Special inspection requirement — Air barrier — testing

10/14/2025

Special inspection requirement — Concrete - Cast-In-Place

Rajasekhar Sakhamuri

10/14/2025

Special inspection requirement — Interior lighting power

JEFFREY BELL

10/14/2025

Special inspection requirement — Fenestration air leakage

JEFFREY BELL

10/14/2025

Special inspection requirement — Protection of exposed foundation insulation

JEFFREY BELL

10/14/2025

Special inspection requirement — Fenestration areas

JEFFREY BELL

10/14/2025

Special inspection requirement — HVAC-R and service water heating system controls

JEFFREY BELL

10/14/2025

Special inspection requirement — Mechanical Systems

Rajasekhar Sakhamuri

10/14/2025

Special inspection requirement — HVAC-R and service water piping design and insulation

JEFFREY BELL

10/14/2025

Special inspection requirement — Structural Stability – Alterations of existing buildings

Rajasekhar Sakhamuri

10/14/2025

Special inspection requirement — Energy Code Compliance Inspections

JEFFREY BELL

04/11/2025

Permit issued — Construction Fence

Q00999235-I1-FN

02/28/2025

Permit issued — Solar

Q01186809-I1-SL

02/26/2025

Filed — Alteration

The scope of work pertains exclusively to the installation of the solar system. Any additional tasks or activities should not be assumed as approved or permitted by the NYC Department of Buildings. No change to use, egress, or occupancy.

Q01186809-I1

01/10/2025

Inspection — Certified Gas-Gas-Piping-Roughing

Certified

View inspection ↗

01/10/2025

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing

Certified

View inspection ↗

10/25/2024

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground

Certified

View inspection ↗

10/17/2024

Filed — ALT-CO - New Building with Existing Elements to Remain

HORIZONTAL EXTENSION OF THE EXISTING ONE-FAMILY HOUSE AS PER PLANS SUBMITTED.

Q01011927-P2

10/17/2024

Violation issued (ECB, closed)

Construction

10/14/2024

Filed — ALT-CO - New Building with Existing Elements to Remain

HORIZONTAL EXTENSION OF THE EXISTING ONE-FAMILY HOUSE AS PER PLANS SUBMITTED.

Q01011927-P1

09/20/2024

Permit issued — Plumbing

Q00986065-I1-PL

06/07/2024

Permit issued — Structural

Q01011927-S2-ST

06/07/2024

Permit issued — Foundation

Q01011927-S1-FO-EA

05/23/2024

Objection resolved — Addressed

05/13/2024

Objection raised — Other

05/07/2024

Filed — ALT-CO - New Building with Existing Elements to Remain

HORIZONTAL EXTENSION OF THE EXISTING ONE-FAMILY HOUSE AS PER PLANS SUBMITTED.

Q01011927-S1

Latest 60 of 74 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Construction Fence	Signed-off	NYC BUILDING SOLUTIONS CO	04/11/2025
DOB NOW	Solar	Signed-off	SOLARBLOCKS ENERGY LLC	02/28/2025
DOB NOW	Plumbing	Signed-off	GREGG NY PLUMBING, INC	09/20/2024
DOB NOW	Structural	Permit Issued	SB RENOVATION & MODELING	06/07/2024
DOB NOW	Foundation	Permit Issued	SB RENOVATION & MODELING	06/07/2024
DOB NOW	Mechanical Systems	Permit Issued	SB RENOVATION & MODELING	05/02/2024
DOB NOW	Construction Fence	Signed-off	NYC BUILDING SOLUTIONS CO	04/12/2024

2 projects · most recent 08/13/2026

Heating and Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
08/13/2026	Permit Issued	SB RENOVATION & MODELING	Heating and Air Conditioning Systems	Heat / Cool Mitsubishi Electric PUMY-P60NKMU3 (2) MXZ-SM60NAM2 5 BTU · Heat Pump Outdoor ×3 MXZ-SM60NAM 5 tons · Condensing Unit ×6
01/03/2024	—	—	Heating and Air Conditioning Systems	Heat / Cool Mitsubishi Electric MXZ-SM60NAM 5 tons · Condensing Unit ×2

1 project · most recent 06/09/2026

Gas Water/Sanitary

Filed	Status	Contractor	Scope
06/09/2026	Signed-off	GREGG NY PLUMBING, INC	Gas, Water/Sanitary

2 projects · most recent 02/17/2025

General Wiring

Filed	Status	Contractor	Scope
02/17/2025	Complete	MDC SECURITY AND ELEC'L	—
04/18/2024	Complete	WCK ELECTRIC CORP.	General Wiring

1 project · most recent 08/13/2026

Steel Wood

Filed	Status	Contractor	Scope
08/13/2026	Permit Issued	SB RENOVATION & MODELING	Steel, Wood

1 project · most recent 02/26/2025

Filed	Status	Contractor	Scope
02/26/2025	Signed-off	SOLARBLOCKS ENERGY LLC	45 panels, 19.35 kw, 2,459 roof_area_sqft

▾Field Inspections (DOB CAP) — 6

Date	Type	Result	Report
04/30/2026	Pass-Final CND-Occupancy Inspection	Pass	View ↗
01/05/2026	Pass-Final CND-Occupancy Inspection	Pass	View ↗
12/04/2025	Fail-Final CND-Occupancy Inspection	Fail	View ↗
01/10/2025	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
01/10/2025	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
10/25/2024	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 64

Date	Requirement	Inspector	Role
06/15/2026	Fire-Resistant Penetrations and Joints	Rajasekhar Sakhamuri	special
06/15/2026	HVAC-R and service water heating equipment	Rajasekhar Sakhamuri	energy_progress
06/15/2026	HVAC-R and service water piping design and insulation	Rajasekhar Sakhamuri	energy_progress
06/15/2026	Energy Code Compliance Inspections	Rajasekhar Sakhamuri	progress
03/18/2026	Fire-Resistant Penetrations and Joints	Rajasekhar Sakhamuri	special
03/18/2026	HVAC-R and service water heating equipment	Rajasekhar Sakhamuri	energy_progress
03/18/2026	HVAC-R and service water piping design and insulation	Rajasekhar Sakhamuri	energy_progress
03/18/2026	Energy Code Compliance Inspections	Rajasekhar Sakhamuri	progress
11/26/2025	Energy Code Compliance Inspections	Rajasekhar Sakhamuri	progress
11/26/2025	Fire-Resistant Penetrations and Joints	Rajasekhar Sakhamuri	special
10/14/2025	Air barrier - visual inspection	JEFFREY BELL	energy_progress
10/14/2025	Concrete - Cast-In-Place	Rajasekhar Sakhamuri	special
10/14/2025	Fire-Resistant Penetrations and Joints	Rajasekhar Sakhamuri	special
10/14/2025	Mechanical Systems	Rajasekhar Sakhamuri	special
10/14/2025	Structural Stability – Alterations of existing buildings	Rajasekhar Sakhamuri	special
10/14/2025	Energy Code Compliance Inspections	JEFFREY BELL	progress
10/14/2025	Final	JEFFREY BELL	progress
10/14/2025	Fire-Resistance Rated Construction	JEFFREY BELL	progress
10/14/2025	Air barrier — testing	—	energy_progress
10/14/2025	Permanent certificate	JEFFREY BELL	energy_progress
10/14/2025	Protection of exposed foundation insulation	JEFFREY BELL	energy_progress
10/14/2025	HVAC-R and service water heating system controls	JEFFREY BELL	energy_progress
10/14/2025	Fenestration areas	JEFFREY BELL	energy_progress
10/14/2025	Fenestration air leakage	JEFFREY BELL	energy_progress
10/14/2025	Lighting controls	JEFFREY BELL	energy_progress

Latest 25 of 64.

▾Documents — 130 on file (BIS + DOB NOW)

▸Plans & Drawings15

▸DOB NOWPlans/Sketch15

08/23/2026Q00978415-I1Request digital key ↗

08/23/2026Q00999235-I1Request digital key ↗

08/21/2026Q01011927-S1Request digital key ↗

Showing 3 of 15 on file for this type

▸Zoning, Tax Lot & Property Records6

▸DOB NOWZD1: DOB Zoning Diagram6

08/21/2026Q01011927-P5Open ↗

08/21/2026Q01011927-P4Open ↗

08/13/2026Q01011927-I1Open ↗

Showing 3 of 6 on file for this type

▸Seals & Professional Certifications74

▸DOB NOWProgress Inspector Seal & Signature43

09/21/2026Q01011927-P1Open ↗

09/02/2026Q00986065-P3Open ↗

Showing 3 of 43 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature16

09/21/2026Q01011927-P1Open ↗

09/02/2026Q00986065-P3Open ↗

09/01/2026Q01011927-S2Open ↗

Showing 3 of 16 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature15

08/21/2026Q01011927-S1Open ↗

08/21/2026Q01011927-S2Open ↗

08/21/2026Q01011927-P1Open ↗

Showing 3 of 15 on file for this type

▸Environmental & Asbestos14

▸DOB NOWDEP ACP-5: Asbestos Assessment Report14

08/21/2026Q01011927-S1Open ↗

08/21/2026Q01011927-S2Open ↗

08/21/2026Q01011927-P1Open ↗

Showing 3 of 14 on file for this type

▸Inspections & Test Reports1

▸DOB NOWGeotechnical Report (BC 1803.6)1

08/13/2026Q01011927-S1Open ↗

▸Approvals, Objections & Sign-offs1

▸DOB NOWUtility Company Final Acceptance Letter1

08/20/2026Q01186809-I1Open ↗

▸Other Documents19

▸DOB NOWSite Survey: Initial6

08/21/2026Q01011927-P5Open ↗

08/21/2026Q01011927-P4Open ↗

08/13/2026Q01011927-P3Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone6

08/21/2026Q01011927-P4Open ↗

08/21/2026Q01011927-P5Open ↗

08/13/2026Q01011927-P2Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWProperty Ownership Certification5

08/21/2026Q01011927-P2Open ↗

08/21/2026Q01011927-P5Open ↗

08/21/2026Q01011927-P3Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWAdjoining Owners Notification1

08/13/2026Q01011927-S1Open ↗

▸DOB NOWPlot Diagram1

08/13/2026Q00978415-I1Open ↗