Korona Construction Corp. — NYC General Contractor: DOB Permits, Filings & Buildings

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B01207726 ↗	145 NASSAU AVENUE BROOKLYN	Alteration	Permit Issued	04/14/2025	08/15/2025	Design CHARLES DIEHL ARCHITECT LLC Owner Greenpoint Veterinary Hospital	PROPOSED INTERIOR RENOVATION OF AN EXISTING MEDICAL OFFICE @ PARTIAL 1ST FLOOR TO CREATE A VETERINARY CLINIC.WORK INCLUDES INSTALLATION OF N…
M01053903 ↗	215 EAST 73 STREET MANHATTAN	Alteration	Signed-off	05/24/2024	06/21/2024	Design OPEN STUDIO ARCHITECTURE, PLLC Filer GEE2000 ARCHITECT PC	REMOVE TOILET, RELOCATE LAUNDRY ON #9C ON 9TH FLOOR. NO CHANGE IN USE, OCCUPANCY OR EXIT.
M00679510 ↗	30 SUTTON PLACE MANHATTAN	Alteration	Signed-off	03/02/2022	05/22/2024	Design MILLWARD ARCHITECTURE DESIGN Owner SBLM ARCHITECTS Filer SBLM	Job filed to show replacement of exist 2 ACCU on the roof and associated 2 AC units in apt 15 C as per plans attached herewith. No change in…
M00752188 ↗	409 GRAND STREET MANHATTAN	Alteration	Signed-off	08/22/2022	03/22/2024	Design STUDIO FOU Owner SEWARD PARK COOP	MODERATE SELECTIVE RENOVATION, PLUMBING MODIFICATIONS, AND HVAC MINISPLIT UNIT REPLACEMENT IN APT F1905 ON THE 19TH FLOOR. PLUMBING APPLICA…
B00155905 ↗	86 BALTIC STREET BROOKLYN	Alteration	Permit Issued	05/07/2019	01/26/2023	Design ADI GERSHONI ARCHITECT	Erection of temporary construction fence.
M00250471 ↗	168 WAVERLY PLACE MANHATTAN	Alteration	Signed-off	06/09/2021	10/21/2021	Design BLUE SKY DESIGN, INC. Owner Solid State Properties LC Filer CONVERSANO ASSOCIATES, INC.	STRUCTURAL WORK FOR NEW PRIVATE ROOF DECK AND RECONSTRUCTION OF EXISTING BULKHEAD AS PER PLANS FILED HEREWITH.

Counts cover all 7 projects (7 DOB NOW). Dated by first filing; BIS projects by first permit issuance.

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
ADAL ENGINEERING PLLC	1	05/15/2024
ADI GERSHONI ARCHITECT	1	05/07/2019
BLUE SKY DESIGN, INC.	1	05/19/2022
CHARLES DIEHL ARCHITECT LLC	1	08/30/2025
MILLWARD ARCHITECTURE DESIGN	1	05/15/2024
OPEN STUDIO ARCHITECTURE, PLLC	1	05/24/2024
PRUDIGM ENGINEERING LLC	1	08/01/2022
STEVEN KRATCHMAN ARCHITECT, PC	1	08/01/2022
STUDIO FOU	1	08/22/2022

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
NEW YORK PARK PLBG&HTG CO	1	08/30/2025
PALLADIAN CONSTRUCTION	1	05/07/2019
ROYAL HVAC SYSTEMS INC	1	05/15/2024

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
Solid State Properties LC	2	08/01/2022
Greenpoint Veterinary Hospital	1	08/30/2025
SBLM ARCHITECTS	1	05/15/2024
SEWARD PARK COOP	1	08/22/2022
Westfield Trustee Services LLC	1	08/30/2025

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
BIG ORANGE EXPEDITING, INC	1	05/15/2024
CONVERSANO ASSOCIATES, INC.	1	08/01/2022
GEE2000 ARCHITECT PC	1	05/24/2024
SBLM	1	05/15/2024

7 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.

All 7Open permit 2Signed off 5

7 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B01207726 ↗	145 NASSAU AVENUE BROOKLYN	Alteration	Permit Issued	04/14/2025	08/15/2025	Design CHARLES DIEHL ARCHITECT LLC Owner Greenpoint Veterinary Hospital	PROPOSED INTERIOR RENOVATION OF AN EXISTING MEDICAL OFFICE @ PARTIAL 1ST FLOOR TO CREATE A VETERINARY CLINIC.WORK INCLUDES INSTALLATION OF N…
M01053903 ↗	215 EAST 73 STREET MANHATTAN	Alteration	Signed-off	05/24/2024	06/21/2024	Design OPEN STUDIO ARCHITECTURE, PLLC Filer GEE2000 ARCHITECT PC	REMOVE TOILET, RELOCATE LAUNDRY ON #9C ON 9TH FLOOR. NO CHANGE IN USE, OCCUPANCY OR EXIT.
M00679510 ↗	30 SUTTON PLACE MANHATTAN	Alteration	Signed-off	03/02/2022	05/22/2024	Design MILLWARD ARCHITECTURE DESIGN Owner SBLM ARCHITECTS Filer SBLM	Job filed to show replacement of exist 2 ACCU on the roof and associated 2 AC units in apt 15 C as per plans attached herewith. No change in…
M00752188 ↗	409 GRAND STREET MANHATTAN	Alteration	Signed-off	08/22/2022	03/22/2024	Design STUDIO FOU Owner SEWARD PARK COOP	MODERATE SELECTIVE RENOVATION, PLUMBING MODIFICATIONS, AND HVAC MINISPLIT UNIT REPLACEMENT IN APT F1905 ON THE 19TH FLOOR. PLUMBING APPLICA…
B00155905 ↗	86 BALTIC STREET BROOKLYN	Alteration	Permit Issued	05/07/2019	01/26/2023	Design ADI GERSHONI ARCHITECT	Erection of temporary construction fence.
M00250471 ↗	168 WAVERLY PLACE MANHATTAN	Alteration	Signed-off	06/09/2021	10/21/2021	Design BLUE SKY DESIGN, INC. Owner Solid State Properties LC Filer CONVERSANO ASSOCIATES, INC.	STRUCTURAL WORK FOR NEW PRIVATE ROOF DECK AND RECONSTRUCTION OF EXISTING BULKHEAD AS PER PLANS FILED HEREWITH.
M00512986 ↗	168 WAVERLY PLACE MANHATTAN	Alteration	Signed-off	06/02/2021	10/12/2021	Design STEVEN KRATCHMAN ARCHITECT, PC Owner Solid State Properties LC Filer CONVERSANO ASSOCIATES, INC.	RENOVATIONS TO DUPLEX APARTMENT#2, MINOR PARTITIONSAS PER PLANS FILED HEREWITH. NEW PRIVATE ROOF DECK AND RECONSTRUCT EXISTING BULKHEAD ANDR…

Click a row for this entity's own projects, plans and documents at that building.

Building	Filings	Most Recent
409 GRAND STREET ↗	13	07/08/2026

168 WAVERLY PLACE ↗	5	07/08/2026

86 BALTIC STREET ↗	2	07/08/2026

30 SUTTON PLACE ↗	7	07/08/2026

145 NASSAU AVENUE ↗	2	07/08/2026

215 EAST 73 STREET ↗	3	03/21/2026

▾Documents — 102 on file (BIS + DOB NOW)

▸Plans & Drawings19

▸DOB NOWPlans/Sketch14

09/03/2026M00512986-S1 · 168 WAVERLY PLACERequest digital key ↗

09/03/2026M00512986-P1 · 168 WAVERLY PLACERequest digital key ↗

09/03/2026M00512986-P3 · 168 WAVERLY PLACERequest digital key ↗

Showing 3 of 14 on file for this type

▸DOB NOWPlans/Sketch - Structural4

09/03/2026M00250471-P2 · 168 WAVERLY PLACERequest digital key ↗

08/15/2026M00250471-I1 · 168 WAVERLY PLACERequest digital key ↗

08/15/2026M00250471-P2 · 168 WAVERLY PLACERequest digital key ↗

Showing 3 of 4 on file for this type

▸DOB NOWPlans/Sketch - Construction Fence1

09/02/2026B00155905-I1 · 86 BALTIC STREETRequest digital key ↗

▸Applications & Permits9

▸DOB NOWLPC Approval/Permit9

09/03/2026M00250471-P1 · 168 WAVERLY PLACEOpen ↗

09/03/2026M00512986-S1 · 168 WAVERLY PLACEOpen ↗

09/03/2026M00512986-P1 · 168 WAVERLY PLACEOpen ↗

Showing 3 of 9 on file for this type

▸Seals & Professional Certifications56

▸DOB NOWProgress Inspector Seal & Signature20

09/29/2026M00679510-P1 · 30 SUTTON PLACEOpen ↗

Showing 3 of 20 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature18

09/03/2026M00250471-P1 · 168 WAVERLY PLACEOpen ↗

09/03/2026M00250471-I1 · 168 WAVERLY PLACEOpen ↗

09/03/2026M00512986-I1 · 168 WAVERLY PLACEOpen ↗

Showing 3 of 18 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature18

09/29/2026M00679510-P1 · 30 SUTTON PLACEOpen ↗

Showing 3 of 18 on file for this type

▸Safety & Tenant Protection2

▸DOB NOWTenant Protection Plan2

08/15/2026M00250471-I1 · 168 WAVERLY PLACEOpen ↗

Showing 1 of 2 on file for this type

▸Environmental & Asbestos12

▸DOB NOWDEP ACP-5: Asbestos Assessment Report8

08/21/2026B01207726-P1 · 145 NASSAU AVENUEOpen ↗

08/21/2026B01207726-S1 · 145 NASSAU AVENUEOpen ↗

08/21/2026B01207726-I1 · 145 NASSAU AVENUEOpen ↗

Showing 3 of 8 on file for this type

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

09/03/2026M00512986-S1 · 168 WAVERLY PLACEOpen ↗

Showing 1 of 4 on file for this type

▸Energy Compliance3

▸DOB NOWEN2: As Built Energy Analysis3

08/13/2026M00752188-I1 · 409 GRAND STREETOpen ↗

Showing 1 of 3 on file for this type

▸Approvals, Objections & Sign-offs1

▸DOB NOWDEP Variance (V5) letter1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

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