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THORNTON TOMASETTI

Architecture firm · New York City and San Francisco permit activity
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thorntontomasetti.com(917) 661-7800info@thorntontomasetti.comLinkedIn120 Broadway, New York, NY 10271

Architecture firm active in New York City and San Francisco construction, tracked from public building-permit filings.

#23
by NYC filing activity
among NYC architects & engineers, last 90 days
76
projects tracked
Mar 2026 to Jul 2026
16/16
active weeks
weeks with a filing (last 16)
47 of the 66 Thornton Tomasetti projects have no general contractor named on permit.12 filed in the last 30 days.
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Select Thornton Tomasetti projects
Neighborhood, filing date, scope and declared value are shown here. Exact addresses, owner and contact details and full filing histories are part of the paid product.
Middle 50% of declared values: $100K–$2.0M (median $450K) Most recent filing: Manhattan · Jul 30, 2026 62 active · 49 newly observed last 90 days

Filing activity · last 16 weeks

MAR
APR
MAY
JUN
JUL
62
active projects (last 90d)
49
newly observed (last 90d)
May 2026
peak month

Project mix · by use

Commercial51%
Residential26%
Other23%

Geography · by borough

Manhattan81%
Brooklyn14%
Queens5%

Shared-project connections

#FirmPrimary roleSharedRelative
1COSENTINI ASSOCIATESEngineering5
2Robert Derector AssociatesEngineering3
3California Electric DesignEngineering2
4AMA CONSULTING ENGINEERS, PCEngineering2
5BELLSEY & ASSOCIATESArchitecture2
1Principal Builders Inc.General contractor7
2STRUCTURE TONE, LLCGeneral contractor6
3R L H Fire Protection IncGeneral contractor5
4Siemans Building TechnologyGeneral contractor4
5BREEZE NATIONAL INCGeneral contractor2
See all 35 design collaborators (free)
Firms that appear on the same New York City and San Francisco permit filings. Association on shared filings, not a proven working relationship.

Frequently asked questions

How many projects has THORNTON TOMASETTI filed?▾
PermitPipeline tracks 76 New York City and San Francisco building-permit projects for THORNTON TOMASETTI (Mar 2026 to Jul 2026). 62 had filing activity in the last 90 days.
Does THORNTON TOMASETTI work on commercial or residential projects?▾
Across its tracked New York City filings, 51% of THORNTON TOMASETTI's projects are commercial and 26% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in New York City does THORNTON TOMASETTI work?▾
82% of THORNTON TOMASETTI's tracked New York City projects are in Manhattan.
What is a typical THORNTON TOMASETTI project worth?▾
Across the 61 tracked projects with a declared value, THORNTON TOMASETTI averages $3.7M per project (declared value on the permit filing, not contract value).
Which firms does THORNTON TOMASETTI work with most often?▾
THORNTON TOMASETTI most frequently appears on the same New York City and San Francisco permit filings as Principal Builders Inc., STRUCTURE TONE, LLC, R L H Fire Protection Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is THORNTON TOMASETTI an architecture firm?▾
THORNTON TOMASETTI is listed as an architecture firm on its New York City and San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from city permit filings.
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