Upward view of repeating steel architectural fins against a clear blue sky.

50th Anniversary

Five decades of exceptional legal counsel on Long Island.

Forchelli Deegan Terrana LLP — trusted legal partner for New York’s most complex real estate, corporate, and litigation matters since 1976.

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Notable results

Notable
  • $47MTax certiorari — Nassau County commercial
  • $23MMixed-use development approval — Uniondale
  • $15MAcquisition financing — Long Island retail
  • $12MEmployment settlement — class action
  • $8.5MCommercial litigation verdict
  • $6.2MIDA incentive negotiation — Suffolk County

Recognized by

  • Super Lawyers
  • Chambers
  • Best Law Firms
  • Best Lawyers
  • American Property Tax Counsel
Forchelli Deegan Terrana conference facilities overlooking Long Island.

Who we are

One of Long Island’s most distinguished full-service law firms

Founded in 1976, Forchelli Deegan Terrana LLP has grown from a single practice into one of Long Island’s most recognized and respected law firms. With over 70 attorneys across Uniondale, Hauppauge, and Huntington, we serve companies, regional developers, financial institutions, municipalities, and individuals navigating the New York metropolitan area’s most complex legal matters.

Our attorneys are recognized problem solvers — routinely selected for Super Lawyers, Chambers USA, and Best Lawyers — who work together across all practice areas to deliver real-world results.

Attorneys across Uniondale, Hauppauge & Huntington
70+Attorneys across Uniondale, Hauppauge & Huntington
Years serving Long Island and the NY Metro area
50Years serving Long Island and the NY Metro area
Practice areas and specialized disciplines
21Practice areas and specialized disciplines
Attorneys selected to 2025 Super Lawyers & Rising Stars
58Attorneys selected to 2025 Super Lawyers & Rising Stars

Why choose FDT

A firm built for results

  • Recognized talent

    58 attorneys named to the 2025 New York Metro Super Lawyers and Rising Stars lists. Recognized by Chambers USA, Best Law Firms, and leading industry publications.

  • 50 years of local expertise

    Since 1976, our attorneys have built deep knowledge of Long Island’s regulatory landscape, municipal relationships, and real estate market.

  • Integrated team approach

    Our attorneys work across all practice areas to build integrated strategies — not siloed advice — for your most complex matters.

  • From institutions to local business

    From individual landowners and startups to major financial institutions and national developers — the same commitment, every client.

How we help

Practice area highlights

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How it works

From first contact to resolution — a clear, straightforward process

We make it easy to get started. Here’s what to expect when you reach out to Forchelli Deegan Terrana.

  1. Submit your inquiry

    Use our contact form, call us directly, or email — whichever is most convenient.

  2. We match your need

    A member of our team reviews your matter and connects you with the right attorney.

  3. Initial consultation

    Meet with your attorney to discuss your matter. We listen, assess, and advise — no obligation.

  4. Tailored strategy

    We develop an integrated, practical plan designed around your goals — not a one-size-fits-all approach.

  5. We deliver results

    We execute with precision and keep you informed throughout every stage of your matter.

Client testimonials

What clients and colleagues say about FDT

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Working with Jeffrey and his team on our mixed-use development was exceptional. They navigated an incredibly complex approval process with precision and kept us informed every step of the way. I wouldn’t trust anyone else with a project of this scale on Long Island.
Richard H.Regional Developer, Nassau County
FDT’s real estate team helped us close a complex multi-property acquisition under an extremely tight timeline. Their depth of knowledge and relationships across Long Island made all the difference.
Margaret L.CFO, Commercial Real Estate Firm

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Frequently asked

Questions we often hear from new clients

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We serve Fortune 500 companies, regional developers, financial institutions, municipalities, small businesses, and individuals across Long Island and the New York Metropolitan area.

Ready to discuss your legal matter?

Our attorneys are available to speak with you. Contact us today to find the right counsel for your needs.