Hellmuth Obata & Kassabaum PC is an architecture firm with 7 tracked New York City building-permit projects on record, with the latest filing in that record 16 days ago. Its filings (Oct 2024 to Aug 2026) are concentrated in Manhattan and Queens. A typical project in the record declares $1K–$1.1M. If you work at Hellmuth Obata & Kassabaum PC, claim this page to add a description.
Filed 16 days ago
#1,780
by NYC filing activity
among NYC architects & engineers, 90 days to Sep 10, 2026
7
projects
from 58 filings
5/16
active weeks
weeks with a filing (16 weeks to Sep 10, 2026)
Portfolio · $399/yearFree during launch
Work at HELLMUTH OBATA & KASSABAUM PC?
Claim your firm and publish up to three projects with photographs. Claiming also gives you your logo, a short introduction and your own contact details.
Permit-backed projects · PermitPipeline’s independent record
$1K Queens new building
Grade AActive 16 days ago · 614,399 sq ft · Hellmuth Obata & Kassabaum: engineer
FOR INSTALLATION OF EMERGENCY GENERATOR
GC named · Architect identified · 6 engineers identified · Specialty contractor identified · 6 anticipated categories not yet filed
View project details →
Brooklyn new building
Grade AActive 2 months ago · 4 filings · 1,008,700 sq ft · Hellmuth Obata & Kassabaum: engineer
SOE for the new underground tunnel adjacent to the new building. Refer to -Y6 for related foundation plans
GC named · 4 engineers identified · 3 anticipated categories not yet filed
View project details →
5 more
Hellmuth Obata & Kassabaum projects with project intelligence
Scopes, values, teams and filing history for every one
Start your 14-day trial →
Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner names and mailing addresses, and full filing histories are part of the paid product.
7 project records for Hellmuth Obata & Kassabaum PC: addresses, values, project teams
Start 14-day free trial
Typical project$1K–$1.1M$300K typical6.0× the NYC median ($50K)Last filed16 days agoQueens · Aug 25, 2026Last 90 days2 active0 newly filed
Filing activity · 16 weeks to Sep 10, 2026 · peak Jun 2026
MAY
JUN
JUL
AUG
SEP
Project mix · by use
Other100%
Geography · by borough
Manhattan57%
Queens29%
Brooklyn14%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Cosentini Associates | Engineering | 2 | |
| 2 | Langan Engineering | Engineering | 2 | |
| 3 | Langan Engineering, Environmental, | Engineering | 2 | |
| 4 | Me Engineers | Engineering | 2 | |
| 5 | Hok | Architecture | 1 | |
| 1 | Skanska USA Building, Inc | General contractor | 2 | |
| 2 | Turner Construction Company | General contractor | 2 | |
| 3 | P.J. Mechanical Corp | Mechanical contractor | 1 | |
| 4 | WDF Inc | General contractor | 1 | |
| 5 | Enclos Corp | General contractor | 1 |
Create a free account to see every firm on these projects and how many projects each one shares.
Owner and developer names, and the projects behind each connection, are part of the Leads product.
Firms that appear on the same New York City permit filings. Association on shared filings, not a proven working relationship.
Get an email when Hellmuth Obata & Kassabaum PC files a new project. Monitor up to 10 firms free.
Create your free account
Already have an account? Log in
Need full project records — addresses, values, parties? Start 14-day free trial
State license6 license filersMost frequent: RA 021765 · PE 085303 · PE 085629. Individual licenses on this firm's filings, not held by the firm.
Repeat working relationships6 firmsFirms this one appears with on more than one project, out of 18 in total.
Permit speed126 days94 days longer than the NYC median
based on 27 firm filings vs 153,884 NYC filings
based on 27 firm filings vs 153,884 NYC filings
Frequently asked questions
How many NYC projects does Hellmuth Obata & Kassabaum PC appear on?▾
PermitPipeline tracks 7 New York City building-permit projects for Hellmuth Obata & Kassabaum PC (Oct 2024 to Aug 2026). 2 had filing activity in the last 90 days.
Where in New York City does Hellmuth Obata & Kassabaum PC work?▾
57% of Hellmuth Obata & Kassabaum PC's tracked New York City projects are in Manhattan.
What is a typical Hellmuth Obata & Kassabaum PC project worth?▾
The median declared value across the 6 New York City projects Hellmuth Obata & Kassabaum PC has on record that state one is $300K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Hellmuth Obata & Kassabaum PC?▾
Hellmuth Obata & Kassabaum PC most frequently appears on the same New York City permit filings as Cosentini Associates, Langan Engineering, Langan Engineering, Environmental,. Appearing together indicates association on shared filings, not a proven working relationship.
Is Hellmuth Obata & Kassabaum PC an architecture firm?▾
Hellmuth Obata & Kassabaum PC is listed as an architecture firm on its New York City permit filings. Roles on this profile are derived from the role each firm holds on public NYC DOB filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Sep 10, 2026. Project counts, declared values and filing dates are read live from NYC DOB filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
Sources
New York City Department of Buildings permit filings.
Record source
Read directly from NYC DOB filings.
Photography
None are shown until the firm supplies them.
Firm directories by market