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Entity
KBRA
Tenant
4 projects with open permitsMANHATTAN · 4
1 building
4
Total Filings
4
Projects on File
1
Buildings Worked
4
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month4 projects all-time
0123Feb '26 · 1Apr '26 · 2May '26 · 1Feb '26Mar '26Apr '26May '26
Portfolio status
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Open permit4100%
By project type
Alteration4
Most active buildings
All buildings →
51 WEST 52 STREETMANHATTAN · 4 open · latest 05/14/2026
4 projects
Key relationships
Everyone →
Design firms
4 projects
3 projects
Filing representatives
4 projects
Owners
4 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01348320 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued05/07/202605/14/2026
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Modifications to the existing Sprinkler System on the 5th floor as per plans submitted herewith. No Change to Use, Occupancy, or Egress.
M01361450 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued04/22/202605/13/2026
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Modifications to the existing Sprinkler system on the 3rd floor as per plans submitted herewith. No Change to Use, Occupancy, or Egress.
M01361458 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued04/28/202605/13/2026
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Modifications to the Mechanical systems on the 2nd floor as per plans submitted herewith. No Change to Use, Occupancy or Egress.
M01343514 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued02/04/202602/19/2026
Design VOCON
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Modifications to the existing Sprinkler system on the 4th floor as per plans submitted herewith. No Change to Use, Occupancy Group, or Egres…
Counts cover all 4 projects (4 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
VOCON405/07/2026
FMC ENGINEERING305/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DEPENDABLE MECH CORP405/07/2026
DEPENDABLE MECHANICAL COR405/07/2026
DK CONSTRUCTION ONE, CORP405/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HARBOR GROUP MANAGEMENT405/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BURNHAM NATIONWIDE INC405/07/2026
4 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 4Open permit 4
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01348320 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued05/07/202605/14/2026
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Modifications to the existing Sprinkler System on the 5th floor as per plans submitted herewith. No Change to Use, Occupancy, or Egress.
M01361450 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued04/22/202605/13/2026
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Modifications to the existing Sprinkler system on the 3rd floor as per plans submitted herewith. No Change to Use, Occupancy, or Egress.
M01361458 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued04/28/202605/13/2026
Design FMC ENGINEERING
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Modifications to the Mechanical systems on the 2nd floor as per plans submitted herewith. No Change to Use, Occupancy or Egress.
M01343514 ↗51 WEST 52 STREET
MANHATTAN
AlterationPermit Issued02/04/202602/19/2026
Design VOCON
Owner HARBOR GROUP MANAGEMENT COMPANY
Contractor DK CONSTRUCTION ONE, CORP
Filer BURNHAM NATIONWIDE INC
Modifications to the existing Sprinkler system on the 4th floor as per plans submitted herewith. No Change to Use, Occupancy Group, or Egres…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
51 WEST 52 STREET ↗405/07/2026
▾Documents — 81 on file (BIS + DOB NOW)
▸Plans & Drawings16
▸DOB NOWPlans/Sketch16
08/19/2026M01343514-S3 · 51 WEST 52 STREETRequest digital key ↗
08/19/2026M01343514-S1 · 51 WEST 52 STREETRequest digital key ↗
08/19/2026M01343514-I1 · 51 WEST 52 STREETRequest digital key ↗
Showing 3 of 16 on file for this type
▸Applications & Permits12
▸DOB NOWLPC Approval/Permit12
08/17/2026M01361458-S2 · 51 WEST 52 STREETOpen ↗
08/17/2026M01361458-I1 · 51 WEST 52 STREETOpen ↗
08/17/2026M01361450-S1 · 51 WEST 52 STREETOpen ↗
Showing 3 of 12 on file for this type
▸Seals & Professional Certifications36
▸DOB NOWDPL-1: Design Professional Seal & Signature16
08/17/2026M01361458-S2 · 51 WEST 52 STREETOpen ↗
08/17/2026M01361458-S1 · 51 WEST 52 STREETOpen ↗
08/17/2026M01361458-I1 · 51 WEST 52 STREETOpen ↗
Showing 3 of 16 on file for this type
▸DOB NOWProgress Inspector Seal & Signature10
09/12/2026M01361450-S1 · 51 WEST 52 STREETOpen ↗
09/12/2026M01361450-S1 · 51 WEST 52 STREETOpen ↗
09/02/2026M01343514-S1 · 51 WEST 52 STREETOpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature10
09/12/2026M01361450-S1 · 51 WEST 52 STREETOpen ↗
09/02/2026M01343514-S1 · 51 WEST 52 STREETOpen ↗
09/01/2026M01348320-S3 · 51 WEST 52 STREETOpen ↗
Showing 3 of 10 on file for this type
▸Environmental & Asbestos16
▸DOB NOWDEP ACP-5: Asbestos Assessment Report16
08/17/2026M01361458-S2 · 51 WEST 52 STREETOpen ↗
08/17/2026M01361458-S1 · 51 WEST 52 STREETOpen ↗
08/17/2026M01361458-S3 · 51 WEST 52 STREETOpen ↗
Showing 3 of 16 on file for this type
▸Other Documents1
▸DOB NOWProof of Historic Building1
08/13/2026M01343514-I1 · 51 WEST 52 STREETOpen ↗