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Entity
Harbor Group
Tenant · filed under 2 names
2 projects with open permitsMANHATTAN · 10
1 building
10
Total Filings
10
Projects on File
1
Buildings Worked
2
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month10 projects all-time
0134Dec '21 · 1Jun '22 · 1Feb '23 · 1Dec '23 · 3Mar '24 · 2Sep '24 · 1Aug '25 · 12022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit220%
Signed off660%
Filed only220%
By project type
Alteration10
Most active buildings
All buildings →
51 WEST 52 STREETMANHATTAN · 2 open · latest 09/05/2025
10 projects
Key relationships
Everyone →
Design firms
6 projects
3 projects
2 projects
Filing representatives
3 projects
1 projects
Owners
4 projects
Filed under
Harbor Group8Harbor Group Headquarters2
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01271208 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued08/18/202509/05/2025
Design VOCON
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Removal of existing Plumbing Fixtures and Sprinkler heads and piping on the 5th floor and installation of Temp Sprinkler Loop as per plans s…
M01083030 ↗51 WEST 52 STREET
MANHATTAN
AlterationSigned-off09/24/202405/22/2025
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DEPENDABLE MECHANICAL COR
Filer RIZZO GROUP
Modifications to the existing sprinkler system on the 6th floor (Harbor Group Headquarters) as per plans. No change to use, egress or occupa…
M00958642 ↗51 WEST 52 STREET
MANHATTAN
AlterationSigned-off12/15/202306/24/2024
Design VOCON
Contractor DK CONSTRUCTION ONE, CORP
Removal and disposal of interior partitions, doors, suspended ceilings and finishes on the 7th floor (Demo Phase) as per plans. No change to…
M00986033 ↗51 WEST 52 STREET
MANHATTAN
AlterationFiled — no permit on record03/05/2024—
Design FMC ENGINEERING
—
M00986034 ↗51 WEST 52 STREET
MANHATTAN
AlterationFiled — no permit on record03/05/2024—
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Filer RIZZO GROUP
—
M00958651 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued12/27/202301/10/2024
Design FMC ENGINEERING
Contractor DEPENDABLE MECHANICAL COR
Modifications to the existing sprinkler system on the 7th floor (Demo Phase) as per plans. No change to use, egress or occupancy.
Counts cover all 10 projects (10 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.
NameProjects togetherMost recent
FMC ENGINEERING608/27/2025
VOCON308/27/2025
KAHN ARCHITECTURE & DESIGN PC206/27/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DEPENDABLE MECHANICAL COR308/27/2025
DK CONSTRUCTION ONE, CORP308/27/2025
DNP BUILDERS LLC302/27/2023
DEPENDABLE MECH CORP108/27/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HARBOR GROUP MANAGEMENT408/27/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RIZZO GROUP309/24/2024
BURNHAM NATIONWIDE INC108/27/2025
10 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 10Open permit 2Signed off 6Filed only 2
10 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01271208 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued08/18/202509/05/2025
Design VOCON
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Removal of existing Plumbing Fixtures and Sprinkler heads and piping on the 5th floor and installation of Temp Sprinkler Loop as per plans s…
M01083030 ↗51 WEST 52 STREET
MANHATTAN
AlterationSigned-off09/24/202405/22/2025
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DEPENDABLE MECHANICAL COR
Filer RIZZO GROUP
Modifications to the existing sprinkler system on the 6th floor (Harbor Group Headquarters) as per plans. No change to use, egress or occupa…
M00958642 ↗51 WEST 52 STREET
MANHATTAN
AlterationSigned-off12/15/202306/24/2024
Design VOCON
Contractor DK CONSTRUCTION ONE, CORP
Removal and disposal of interior partitions, doors, suspended ceilings and finishes on the 7th floor (Demo Phase) as per plans. No change to…
M00986033 ↗51 WEST 52 STREET
MANHATTAN
AlterationFiled — no permit on record03/05/2024—
Design FMC ENGINEERING
—
M00986034 ↗51 WEST 52 STREET
MANHATTAN
AlterationFiled — no permit on record03/05/2024—
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Filer RIZZO GROUP
—
M00958651 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued12/27/202301/10/2024
Design FMC ENGINEERING
Contractor DEPENDABLE MECHANICAL COR
Modifications to the existing sprinkler system on the 7th floor (Demo Phase) as per plans. No change to use, egress or occupancy.
M00958645 ↗51 WEST 52 STREET
MANHATTAN
AlterationSigned-off12/27/202301/04/2024
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer RIZZO GROUP
Modifications to the existing HVAC system on the 7th floor (Demo Phase) as per plans. No change to use, egress or occupancy.
M00828780 ↗51 WEST 52 STREET
MANHATTAN
AlterationSigned-off02/27/202306/08/2023
Design VOCON
Contractor DNP BUILDERS LLC
Minor demolition with installation of new partitions, doors, suspended ceilings and finishes on the 19th floor as per plans. No change to u…
M00736811 ↗51 WEST 52 STREET
MANHATTAN
AlterationSigned-off06/27/202207/01/2022
Design KAHN ARCHITECTURE & DESIGN PC
Contractor DNP BUILDERS LLC
Removal and disposal of interior partitions, doors, suspended ceilings and finishes with patch and repair for white-box on the 35th and 36th…
M00638486 ↗51 WEST 52 STREET
MANHATTAN
AlterationSigned-off12/08/202101/06/2022
Design KAHN ARCHITECTURE & DESIGN PC
Contractor DNP BUILDERS LLC
Removal and disposal of interior partitions, doors, suspended ceilings and finishes on the 36th floor as per plans. No change to use, egres…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
51 WEST 52 STREET ↗1008/27/2025
▾Documents — 69 on file (BIS + DOB NOW)
▸Plans & Drawings15
▸DOB NOWPlans/Sketch15
09/03/2026M00638486-I1 · 51 WEST 52 STREETRequest digital key ↗
09/02/2026M00736811-I1 · 51 WEST 52 STREETRequest digital key ↗
08/31/2026M00828780-I1 · 51 WEST 52 STREETRequest digital key ↗
Showing 3 of 15 on file for this type
▸Applications & Permits11
▸DOB NOWLPC Approval/Permit11
08/13/2026M00986033-I1 · 51 WEST 52 STREETOpen ↗
08/13/2026M00958645-I1 · 51 WEST 52 STREETOpen ↗
08/13/2026M00828780-I1 · 51 WEST 52 STREETOpen ↗
Showing 3 of 11 on file for this type
▸Seals & Professional Certifications26
▸DOB NOWDPL-1: Design Professional Seal & Signature15
09/03/2026M00638486-I1 · 51 WEST 52 STREETOpen ↗
09/02/2026M00736811-I1 · 51 WEST 52 STREETOpen ↗
08/28/2026M00958642-I1 · 51 WEST 52 STREETOpen ↗
Showing 3 of 15 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
09/27/2026M01271208-P2 · 51 WEST 52 STREETOpen ↗
09/19/2026M01271208-I1 · 51 WEST 52 STREETOpen ↗
09/01/2026M01083030-I1 · 51 WEST 52 STREETOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWProgress Inspector Seal & Signature3
09/19/2026M01271208-I1 · 51 WEST 52 STREETOpen ↗
08/27/2026M00958645-I1 · 51 WEST 52 STREETOpen ↗
08/23/2026M01271208-P1 · 51 WEST 52 STREETOpen ↗
▸Environmental & Asbestos15
▸DOB NOWDEP ACP-5: Asbestos Assessment Report15
09/03/2026M00638486-I1 · 51 WEST 52 STREETOpen ↗
09/02/2026M00736811-I1 · 51 WEST 52 STREETOpen ↗
08/28/2026M00958642-I1 · 51 WEST 52 STREETOpen ↗
Showing 3 of 15 on file for this type
▸Other Documents2
▸DOB NOWProof of Historic Building2
08/13/2026M01271208-I1 · 51 WEST 52 STREETOpen ↗
08/13/2026M01271208-P1 · 51 WEST 52 STREETOpen ↗