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Syska Hennessy

Engineering firm · New York City
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syska.com(212) 921-2300LinkedIn1185 Avenue of the Americas, Fl 5, New York, NY 10036
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Syska Hennessy is an engineering firm with 2 tracked New York City building-permit projects on record, with the latest filing in that record 511 days ago. Its filings (Aug 2024 to Apr 2025) are concentrated in Manhattan, 100% residential. If you work at Syska Hennessy, claim this page to add a description.

Filed 511 days ago
#3,224
by NYC filing activity
among NYC architects & engineers, 90 days to Sep 10, 2026
2
projects
from 3 filings
0/16
active weeks
weeks with a filing (16 weeks to Sep 10, 2026)
Portfolio · $399/yearFree during launch
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Permit-backed projects · PermitPipeline’s independent record
No project records yet for Syska Hennessy.
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.
Declared values2 on filetoo few for a rangeLast filed511 days agoManhattan · Apr 17, 2025Last 90 days0 active0 newly filed

Filing activity · 16 weeks to Sep 10, 2026

MAY
JUN
JUL
AUG
SEP

Project mix · by use

Residential100%

Geography · by borough

Manhattan100%

Shared-project connections

#FirmPrimary roleSharedRelative
1Halsey Mccormack Helmer IncArchitecture1
1L.F. Driscoll Company LLCGeneral contractor1

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.
State licenseNot connectedArchitects are licensed by the NY State Education Department and engineers by the NYC DOB licensing unit. Neither register is part of the New York City permit record, and we do not yet read them.
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 2 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.

Frequently asked questions

How many NYC projects does Syska Hennessy appear on?▾
PermitPipeline tracks 2 New York City building-permit projects for Syska Hennessy (Aug 2024 to Apr 2025). 0 had filing activity in the last 90 days.
Does Syska Hennessy work on commercial or residential projects?▾
Across its tracked New York City filings, 0% of Syska Hennessy's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in New York City does Syska Hennessy work?▾
100% of Syska Hennessy's tracked New York City projects are in Manhattan.
Which firms appear most often on the same filings as Syska Hennessy?▾
Syska Hennessy most frequently appears on the same New York City permit filings as Halsey Mccormack Helmer Inc, L.F. Driscoll Company LLC. Appearing together indicates association on shared filings, not a proven working relationship.
Is Syska Hennessy an engineering firm?▾
Syska Hennessy is listed as an engineering 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.
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Sources

New York City Department of Buildings permit filings.

Record source

Read directly from NYC DOB filings.

Photography

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