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Entity
Datadog
Tenant · filed under 3 names
5 projects with open permitsMANHATTAN · 25
1 building
25
Total Filings
25
Projects on File
1
Buildings Worked
5
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month25 projects all-time
0246Aug '22 · 3Aug '23 · 3Sep '23 · 2Oct '23 · 2Apr '24 · 2Dec '24 · 1Feb '25 · 1Mar '25 · 1May '25 · 1Jun '25 · 4Aug '25 · 5202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit520%
Signed off2080%
By project type
Alteration24
Alteration CO1
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620 8 AVENUEMANHATTAN · 5 open · latest 02/27/2026
25 projects
Key relationships
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Filing representatives
20 projects
Filed under
Datadog21NY Times Building - Datadog3Datadog - NY Times Building1
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
M01202349 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off06/11/202502/27/2026
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor LAWRENCE J. LEVINE
Filer JAM CONSULTANTS, INC.
DATADOG-- MODIFICATIONS TO EXISTING SPRINKLER SYSTEM IN CONJUNCTION WITH 2-HOUR FLOOR DEMISE AS PER PLANS FILED.
M01216064 ↗620 8 AVENUE
MANHATTAN
Alteration COPermit Issued06/12/202511/25/2025
Design TIMOTHY J. MIRON ARCHITECT PLLC
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
Increase occupant load and create Places of Assembly on 37, 45, 46, 47 and 50 floor. Development HUB consultation held and approved on July…
M01194715 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/04/202511/21/2025
Design THORNTON TOMASETTI
Contractor JOHN GALLIN SON
DATADOG-- STRUCTURAL WORK REQUIRED FOR 50th FLOOR KITCHEN INSTALLATION AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01194726 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/06/202511/20/2025
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor PAR PLUMBING CO., INC
Filer JAM CONSULTANTS, INC.
DATADOG-- PLUMBING MODIFICATIONS AND INSTALLATION OF PLUMBING FIXTURES FOR NEW KITCHEN ON 50TH FLOOR AS PER PLANS FILED.
M01194711 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/04/202511/19/2025
Design TIMOTHY J. MIRON ARCHITECT PLLC
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- General construction related to new kitchen construction on 50th floor. No change to use, egress, or occupancy.
M01194718 ↗620 8 AVENUE
MANHATTAN
AlterationPermit Issued08/04/202511/19/2025
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- INSTALLATION OF MECHANICAL EQUIPMENT AND DISTRIBUTION FOR 50TH FLOOR KITCHEN. AS PER PLANS FILED.
Counts cover all 25 projects (25 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
STEVEN PAUL HAMMER1208/06/2025
TIMOTHY J. MIRON ARCHITECT PLLC608/04/2025
LORING CONSULTING ENGINEERS, INC.204/08/2024
SEVERUD ASSOCIATES210/02/2023
THORNTON TOMASETTI205/26/2026
THE SWITZER GROUP108/18/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JOHN GALLIN & SON, INC1505/26/2026
PAR FIRE PROTECTION LLC308/04/2025
PAR PLUMBING CO., INC208/06/2025
JAMES E FITZGERALD INC108/18/2022
LAB PLBG & HTG CO INC104/08/2024
PREFERRED MECHANICAL INC108/18/2022
PREFERRED SPKLR AND MECH102/21/2023
SIRINA FIRE PROT CORP104/08/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BROOKFIELD PROPERTIES1908/06/2025
NYC ECONOMIC DEVELOPMENT CORP105/02/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JAM CONSULTANTS, INC.2008/06/2025
25 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 25Open permit 5Signed off 20
Any typeAlteration 24Alteration CO 1
25 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01202349 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off06/11/202502/27/2026
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor LAWRENCE J. LEVINE
Filer JAM CONSULTANTS, INC.
DATADOG-- MODIFICATIONS TO EXISTING SPRINKLER SYSTEM IN CONJUNCTION WITH 2-HOUR FLOOR DEMISE AS PER PLANS FILED.
M01216064 ↗620 8 AVENUE
MANHATTAN
Alteration COPermit Issued06/12/202511/25/2025
Design TIMOTHY J. MIRON ARCHITECT PLLC
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
Increase occupant load and create Places of Assembly on 37, 45, 46, 47 and 50 floor. Development HUB consultation held and approved on July…
M01194715 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/04/202511/21/2025
Design THORNTON TOMASETTI
Contractor JOHN GALLIN SON
DATADOG-- STRUCTURAL WORK REQUIRED FOR 50th FLOOR KITCHEN INSTALLATION AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M01194726 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/06/202511/20/2025
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor PAR PLUMBING CO., INC
Filer JAM CONSULTANTS, INC.
DATADOG-- PLUMBING MODIFICATIONS AND INSTALLATION OF PLUMBING FIXTURES FOR NEW KITCHEN ON 50TH FLOOR AS PER PLANS FILED.
M01194711 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/04/202511/19/2025
Design TIMOTHY J. MIRON ARCHITECT PLLC
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- General construction related to new kitchen construction on 50th floor. No change to use, egress, or occupancy.
M01194718 ↗620 8 AVENUE
MANHATTAN
AlterationPermit Issued08/04/202511/19/2025
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- INSTALLATION OF MECHANICAL EQUIPMENT AND DISTRIBUTION FOR 50TH FLOOR KITCHEN. AS PER PLANS FILED.
M01194722 ↗620 8 AVENUE
MANHATTAN
AlterationPermit Issued08/04/202511/19/2025
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor LAWRENCE J. LEVINE
Filer JAM CONSULTANTS, INC.
DATADOG-- INSTALLATION OF NEW SPRINKLER HEADS IN CONJUNCTION WITH 50TH FLOOR KITCHEN BUILD-OUT AS PER PLANS FILED; CONNECT TO EXISTING BUILD…
M01133927 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off12/12/202407/08/2025
Design STEVEN PAUL HAMMER
Contractor JOHN GALLIN SON
DATADOG-- DEMOLITION OF MECHANICAL DUCT AND EQUIPMENT; MODIFICATION OF MECHANICAL PIPING. CAP DUCT/PIPING FOR FUTURE INSTALLATIONS.
M01202346 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off06/11/202506/17/2025
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- MODIFICATIONS TO MECHANICAL EQUIPMENT AND DISTRIBUTION IN CONJUNCTION WITH 2-HOUR FLOOR SEPARATION AS PER PLANS FILED.
M01202353 ↗620 8 AVENUE
MANHATTAN
AlterationPermit Issued06/11/202506/17/2025
Design TIMOTHY J. MIRON ARCHITECT PLLC
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- MODIFICATIONS TO INTERIOR PARTITIONS TO CREATE 2-HOUR FLOOR SEPARATION. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
M01202701 ↗620 8 AVENUE
MANHATTAN
AlterationPermit Issued05/02/202505/05/2025
Design STEVEN PAUL HAMMER
Owner NYC ECONOMIC DEVELOPMENT CORP
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- INSTALLATION OF SPLIT-SYSTEM CONDENSING UNITS AT STORAGE ROOM ROOF AS PER PLANS FILED. FILED IN CONJUNCTION WITH M01194718-I1.
M01173566 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off03/11/202504/02/2025
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor PAR PLUMBING CO., INC
Filer JAM CONSULTANTS, INC.
DATADOG-- INSTALLATION OF PLUMBING FIXTURES WITH RELATED PIPING MODIFICATIONS AS PER PLANS FILED.
M01173589 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off02/19/202503/21/2025
Design THORNTON TOMASETTI
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- STRUCTURAL WORK REQUIRED FOR CONVENIENCE STAIR INSTALLATION AS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00951803 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off04/08/202404/10/2024
Design LORING CONSULTING ENGINEERS, INC.
Owner BROOKFIELD PROPERTIES
Contractor LAB PLBG & HTG CO INC
Filer JAM CONSULTANTS, INC.
DATADOG AMENITY- PLUMBING INSTALLATIONS RELATED TO NEW AMENITIES SPACE AS PER PLANS FILED.
M00951807 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off04/08/202404/10/2024
Design LORING CONSULTING ENGINEERS, INC.
Owner BROOKFIELD PROPERTIES
Contractor SIRINA FIRE PROT CORP
Filer JAM CONSULTANTS, INC.
DATADOG AMENITY- SPRINKLER MODIFICATION AND INSTALLATIONS ON PART OF 51ST FLOOR AS PER PLANS FILED HEREWITH.
M00871581 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off10/02/202310/06/2023
Design SEVERUD ASSOCIATES
Contractor JOHN GALLIN SON
DATADOG-- STRUCTURAL WORK for the installation of access stair.
M00916712 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off10/02/202310/06/2023
Design TIMOTHY J. MIRON ARCHITECT PLLC
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
Datadog-- General construction inclusive of installation of interior partitions for office build-out.
M00871571 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off09/05/202309/11/2023
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor LAWRENCE J. LEVINE
Filer JAM CONSULTANTS, INC.
DATADOG-- MODIFICATIONS TO EXISTING SPRINKLER SYSTEM INCLUSIVE OF TEMP LOOP AND NEW DISTRIBUTION AS PER PLANS FILED.
M00871528 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/30/202309/05/2023
Design TIMOTHY J. MIRON ARCHITECT PLLC
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- GENERAL CONSTRUCTION INCLUSIVE OF INSTALLATION OF INTERIOR PARTITIONS FOR OFFICE BUILD-OUT AS PER PLANS FILED. NO CHANGE TO USE, …
M00871542 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off09/05/202309/05/2023
Design STEVEN PAUL HAMMER
Contractor JOHN GALLIN SON
DATADOG-- MECHANICAL MODIFICATIONS AND INSTALLATIONS IN CONJUNCTION WITH OFFICE BUILD-OUT.
M00875644 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/01/202308/08/2023
Design SEVERUD ASSOCIATES
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- STRUCTURAL WORK ASSOCIATED WITH SLAB DEMO, OPENING FOR FUTURE ACCESS STAIR.
M00875656 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/03/202308/08/2023
Design TIMOTHY J. MIRON ARCHITECT PLLC
Owner BROOKFIELD PROPERTIES
Contractor JOHN GALLIN SON
Filer JAM CONSULTANTS, INC.
DATADOG-- SLAB DEMOLITION TO CREATE OPENING FOR ACCESS STAIR. FILED IN CONJUCTION WITH ST FILING M00875644-I1. NO CHANGE TO USE, EGRESS, OR…
M00786816 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/18/202209/30/2022
Design THE SWITZER GROUP
Contractor JAMES E FITZGERALD INC
DATADOG--GENERAL CONSTRUCTION INCLUSIVE OF INTERIOR DEMO AND PARTITIONS INSTALLATION ON FLOORS 36 & 37 AS PER PLANS FILED. NO CHANGE TO USE…
M00786881 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/18/202209/09/2022
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor PREFERRED SPKLR AND MECH
Filer JAM CONSULTANTS, INC.
DATADOG-- MODIFICATIONS TO EXISTING SPRINKLER SYSTEM FOR OFFICE RENOVATIONS ON FLOORS 36 AND 37.
M00789529 ↗620 8 AVENUE
MANHATTAN
AlterationSigned-off08/18/202209/09/2022
Design STEVEN PAUL HAMMER
Owner BROOKFIELD PROPERTIES
Contractor PREFERRED MECHANICAL INC
Filer JAM CONSULTANTS, INC.
DATADOG-- PLUMBING MODIFICATIONS AND INSTALLATIONS FOR 36 & 37 FLOOR OFFICE RENOVATIONS.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
620 8 AVENUE ↗2505/26/2026
▾Documents — 141 on file (BIS + DOB NOW)
▸Plans & Drawings26
▸DOB NOWPlans/Sketch26
09/02/2026M00786816-I1 · 620 8 AVENUERequest digital key ↗
09/02/2026M00789529-I1 · 620 8 AVENUERequest digital key ↗
08/31/2026M00786881-I1 · 620 8 AVENUERequest digital key ↗
Showing 3 of 26 on file for this type
▸Seals & Professional Certifications111
▸DOB NOWProgress Inspector Seal & Signature42
09/23/2026M01194718-I1 · 620 8 AVENUEOpen ↗
09/23/2026M01194718-I1 · 620 8 AVENUEOpen ↗
09/23/2026M01194718-I1 · 620 8 AVENUEOpen ↗
Showing 3 of 42 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature42
09/23/2026M01194722-I1 · 620 8 AVENUEOpen ↗
09/23/2026M01194718-I1 · 620 8 AVENUEOpen ↗
09/23/2026M01194718-I1 · 620 8 AVENUEOpen ↗
Showing 3 of 42 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature27
08/29/2026M00875656-I1 · 620 8 AVENUEOpen ↗
08/29/2026M00871528-I1 · 620 8 AVENUEOpen ↗
08/29/2026M00871542-I1 · 620 8 AVENUEOpen ↗
Showing 3 of 27 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/13/2026M01216064-I1 · 620 8 AVENUEOpen ↗
▸Energy Compliance1
▸DOB NOWPreliminary Commissioning Report Certification1
08/13/2026M00871542-I1 · 620 8 AVENUEOpen ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter1
08/13/2026M01202701-I1 · 620 8 AVENUEOpen ↗
▸Other Documents1
▸DOB NOWProperty Ownership Certification1
08/23/2026M01216064-I1 · 620 8 AVENUEOpen ↗