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Design Firm
SAG ENGINEERING & CONSULTING, PC
Design
MANHATTAN · 4BRONX · 1BROOKLYN · 1
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5 buildings
6
Total Filings
6
Projects on File
5
Buildings Worked
0
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month6 projects all-time
0123Nov '18 · 1Sep '19 · 1Mar '21 · 2Apr '22 · 22019202020212022
bars = month · line = 3-mo average
Portfolio status
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Signed off6100%
By project type
Alteration6
Most active buildings
All buildings →
39 GRAMERCY PARK NORTHMANHATTAN · latest 06/09/2022
2 projects
441 NINTH AVENUEMANHATTAN · latest 03/23/2021
1 projects
2621 ADAM C POWELL BLVDMANHATTAN · latest 11/29/2018
1 projects
643 EAST TREMONT AVENUEBRONX · latest 04/22/2021
1 projects
145 PRESIDENT STREETBROOKLYN · latest 09/09/2019
1 projects
Key relationships
Everyone →
Filing representatives
3 projects
People
All people →
Chester Kowalskilatest 03/04/2021
3 filings
Filed under
SAG ENGINEERING & CONSULTING, PC6
Identified by the contact ids of the people who file for the firm and by its email domain (sag-eng.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00704135 ↗39 GRAMERCY PARK NORTH
MANHATTAN
AlterationSigned-off04/13/202206/09/2022
Owner CHARLES H. GREENTHAL
Contractor M&G PLUMBING AND HEATING
Filer MANNYRZ
Modifications to existing plumbing fixtures in Unit 16D on the 16th floor, as per plans submitted. No change in Use, Egress or Occupancy und…
M00704064 ↗39 GRAMERCY PARK NORTH
MANHATTAN
AlterationSigned-off04/13/202206/08/2022
Contractor MARTINEZ CONSTRUCTION MAN
Renovation of existing Unit 16D, on the 16th floor, as per plans herewith submitted. No change in Use, Egress or Occupancy under this applic…
X00473339 ↗643 EAST TREMONT AVENUE
BRONX
AlterationSigned-off03/11/202104/22/2021
Contractor METRO FIRE PROTECTION INC
Modification to existing sprinkler system in retail store on the 1st floor. No change in Use, Egress or Occupancy under this application.
M00480441 ↗441 NINTH AVENUE
MANHATTAN
AlterationSigned-off03/10/202103/23/2021
Owner COVE PROPERTY GROUP
Contractor METRO FIRE PROTECTION INC
Filer MANNYRZ
Installation of sprinkler heads and related piping in existing retails and offices spaces, as shown on plans. No change in Use, egress or Oc…
B00206010 ↗145 PRESIDENT STREET
BROOKLYN
AlterationSigned-off09/03/201909/09/2019
Contractor HEADQUARTERS MECH INC
Cap and removal of plumbing fixtures, in existing PHN unit on the 7th floor.
M00100081 ↗2621 ADAM C POWELL BLVD
MANHATTAN
AlterationSigned-off11/16/201811/29/2018
Owner NYC Housing Authority
Contractor CHET KOWALSKI
Filer MANNYRZ
filing herewith plans for outside temporary wooden fence as per plans submitted. no change in use, egress or occupancy under this applicatio…
Counts cover all 6 projects (6 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
Chester Kowalski303/04/2021
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
METRO FIRE PROTECTION INC203/11/2021
HEADQUARTERS MECH INC109/03/2019
M&G PLUMBING AND HEATING104/13/2022
MARTINEZ CONSTRUCTION MAN104/13/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CHARLES H. GREENTHAL104/13/2022
COVE PROPERTY GROUP103/10/2021
NYC Housing Authority111/16/2018
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MANNYRZ304/13/2022
6 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 6Signed off 6
6 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00704135 ↗39 GRAMERCY PARK NORTH
MANHATTAN
AlterationSigned-off04/13/202206/09/2022
Owner CHARLES H. GREENTHAL
Contractor M&G PLUMBING AND HEATING
Filer MANNYRZ
Modifications to existing plumbing fixtures in Unit 16D on the 16th floor, as per plans submitted. No change in Use, Egress or Occupancy und…
M00704064 ↗39 GRAMERCY PARK NORTH
MANHATTAN
AlterationSigned-off04/13/202206/08/2022
Contractor MARTINEZ CONSTRUCTION MAN
Renovation of existing Unit 16D, on the 16th floor, as per plans herewith submitted. No change in Use, Egress or Occupancy under this applic…
X00473339 ↗643 EAST TREMONT AVENUE
BRONX
AlterationSigned-off03/11/202104/22/2021
Contractor METRO FIRE PROTECTION INC
Modification to existing sprinkler system in retail store on the 1st floor. No change in Use, Egress or Occupancy under this application.
M00480441 ↗441 NINTH AVENUE
MANHATTAN
AlterationSigned-off03/10/202103/23/2021
Owner COVE PROPERTY GROUP
Contractor METRO FIRE PROTECTION INC
Filer MANNYRZ
Installation of sprinkler heads and related piping in existing retails and offices spaces, as shown on plans. No change in Use, egress or Oc…
B00206010 ↗145 PRESIDENT STREET
BROOKLYN
AlterationSigned-off09/03/201909/09/2019
Contractor HEADQUARTERS MECH INC
Cap and removal of plumbing fixtures, in existing PHN unit on the 7th floor.
M00100081 ↗2621 ADAM C POWELL BLVD
MANHATTAN
AlterationSigned-off11/16/201811/29/2018
Owner NYC Housing Authority
Contractor CHET KOWALSKI
Filer MANNYRZ
filing herewith plans for outside temporary wooden fence as per plans submitted. no change in use, egress or occupancy under this applicatio…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
441 NINTH AVENUE ↗103/04/2021
2621 ADAM C POWELL BLVD ↗111/15/2018
39 GRAMERCY PARK NORTH ↗2—
145 PRESIDENT STREET ↗1—
643 EAST TREMONT AVENUE ↗1—
▾Documents — 24 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch4
09/06/2026M00100081-I1 · 2621 ADAM C POWELL BLVDRequest digital key ↗
09/04/2026M00480441-I1 · 441 NINTH AVENUERequest digital key ↗
09/02/2026M00704064-I1 · 39 GRAMERCY PARK NORTHRequest digital key ↗
Showing 3 of 4 on file for this type
▸DOB NOWPlans/Sketch - Plumbing1
09/02/2026B00206010-I1 · 145 PRESIDENT STREETRequest digital key ↗
▸DOB NOWPlans/Sketch - Sprinkler1
08/25/2026X00473339-I1 · 643 EAST TREMONT AVENUERequest digital key ↗
▸Seals & Professional Certifications10
▸DOB NOWDPL-1: Design Professional Seal & Signature6
09/06/2026M00100081-I1 · 2621 ADAM C POWELL BLVDOpen ↗
08/25/2026X00473339-I1 · 643 EAST TREMONT AVENUEOpen ↗
08/13/2026M00480441-I1 · 441 NINTH AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
09/01/2026M00480441-I1 · 441 NINTH AVENUEOpen ↗
09/01/2026M00480441-I1 · 441 NINTH AVENUEOpen ↗
08/25/2026M00704135-I1 · 39 GRAMERCY PARK NORTHOpen ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/31/2026M00100081-I1 · 2621 ADAM C POWELL BLVDOpen ↗
▸Safety & Tenant Protection1
▸DOB NOWHPD-1: Anti-Harassment Area Checklist1
08/13/2026M00480441-I1 · 441 NINTH AVENUEOpen ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/25/2026X00473339-I1 · 643 EAST TREMONT AVENUEOpen ↗
08/13/2026M00704064-I1 · 39 GRAMERCY PARK NORTHOpen ↗
08/13/2026M00480441-I1 · 441 NINTH AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis1
08/13/2026M00704064-I1 · 39 GRAMERCY PARK NORTHOpen ↗
▸Approvals, Objections & Sign-offs2
▸DOB NOWTransit Authority Approval1
08/13/2026M00480441-I1 · 441 NINTH AVENUEOpen ↗
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter1
09/06/2026M00100081-I1 · 2621 ADAM C POWELL BLVDOpen ↗