TSF Engineering, PC is an engineering firm with 211 tracked New York City building-permit projects on record, with the latest filing in that record 3 days ago. Its filings (Aug 2024 to Sep 2026) are concentrated in Manhattan and Brooklyn. A typical project in the record declares $30K–$300K. If you work at TSF Engineering, PC, claim this page to add a description.
Filed 3 days ago
#168
by NYC filing activity
among NYC architects & engineers, 90 days to Sep 4, 2026
211
projects
from 547 filings
16/16
active weeks
weeks with a filing (16 weeks to Sep 4, 2026)
Portfolio · $399/yearFree during launch
Work at TSF ENGINEERING, 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
$590K Manhattan office renovation
Grade A+Active 3 days ago · 2 filings · 110 units · TSF Engineering: engineer
SUBSEQUENT FILING FOR MECHANICAL WORK FOR INTERIOR FIT OUT OF EXISTING OFFICE SPACE ON 4TH FLOOR. NO CHANGE IN EGRESS, USE OR OCCUPANCY
No GC named · Architect identified · 5 anticipated categories not yet filed
View project details →
$1.3M Manhattan commercial renovation
Grade AActive 8 days ago · 20,627 sq ft · TSF Engineering: engineer
CHANGE OF USE & INSTALLATION OF INTERIOR NON-BEARING PARTITION WALLS, DOORS, FLOORS, CEILINGS & FINISHES FOR THE PROPOSED RENOVATION OF…
GC named · Architect identified · Engineer identified · 4 anticipated categories not yet filed
View project details →
Bronx multifamily renovation
Grade A+Active 18 days ago · 50 units · TSF Engineering: engineer
APPLICATION FILED TO RECORD NEW BOILER AS INDICATED. NO CHANGE IN USE, OCCUPANCY, OR EGRESS
GC named · Architect identified · 2 engineers identified · Specialty contractor identified · 4 anticipated categories not yet filed
View project details →
208 more
TSF Engineering 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.
211 project records for TSF Engineering, PC: addresses, values, project teams
Start 14-day free trial
Typical project$30K–$300K$90K typical1.8× the NYC median ($50K)Last filed3 days agoManhattan · Sep 1, 2026Last 90 days24 active6 newly filed
Filing activity · 16 weeks to Sep 4, 2026 · peak Jun 2026
MAY
JUN
JUL
AUG
Project mix · by use
Commercial20%
Residential39%
Other41%
Geography · by borough
Manhattan78%
Brooklyn11%
Queens8%
Bronx3%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Erik Ohrman Architect | Architecture | 10 | |
| 2 | Michael Zenreich Architect PC | Architecture | 7 | |
| 3 | Architecture Plus Information | Architecture | 5 | |
| 4 | Kushner Studios | Architecture | 5 | |
| 5 | De la Garza Architecture LLC | Architecture | 3 | |
| 1 | J. Lyons Contracting Inc | General contractor | 7 | |
| 2 | Palone Brothers Air | General contractor | 6 | |
| 3 | Sark Flooring LLC | General contractor | 6 | |
| 4 | Newgrange Construction Co | General contractor | 5 | |
| 5 | Breffni Mechanical Inc | Mechanical contractor | 4 |
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 TSF Engineering, 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 license15 license filersMost frequent: PE 071681 · RA 021078 · RA 016554. Individual licenses on this firm's filings, not held by the firm.
Repeat working relationships24 firmsFirms this one appears with on more than one project, out of 98 in total.
Permit speed40 days8 days longer than the NYC median
based on 254 firm filings vs 153,894 NYC filings
based on 254 firm filings vs 153,894 NYC filings
Frequently asked questions
How many NYC projects does TSF Engineering, PC appear on?▾
PermitPipeline tracks 211 New York City building-permit projects for TSF Engineering, PC (Aug 2024 to Sep 2026). 24 had filing activity in the last 90 days.
Does TSF Engineering, PC work on commercial or residential projects?▾
Across its tracked New York City filings, 20% of TSF Engineering, PC's projects are commercial and 39% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in New York City does TSF Engineering, PC work?▾
78% of TSF Engineering, PC's tracked New York City projects are in Manhattan.
What is a typical TSF Engineering, PC project worth?▾
The median declared value across the 209 New York City projects TSF Engineering, PC has on record that state one is $90K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as TSF Engineering, PC?▾
TSF Engineering, PC most frequently appears on the same New York City permit filings as Erik Ohrman Architect, Michael Zenreich Architect PC, J. Lyons Contracting Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is TSF Engineering, PC an engineering firm?▾
TSF Engineering, PC 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 4, 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