Atty. Thomas Costas Letsou

Atty. Thomas Costas Letsou

Thomas Costas Letsou is a lawyer practicing wills & living wills, trusts, estate planning and 1 other area of law. Thomas received a degree from Columbia University in 1986, and has been licensed for 37 years.

New York New York 37 J. Erfahrung 37 year
Call (301) 450-1179 Book Appointment

Profile Summary

About Thomas Costas Letsou at a glance

Thomas Costas Letsou is a Morgan Stanley Smith Barney, LLC based in New York, New York. They have 37+ years of legal experience, licensed to practice since 1989. Their practice focuses on trusts, estate planning, tax, and poa. Admitted to practice in California (1989), New York (1994), and New Jersey (2006). Educated at Columbia University (J.D. M.I.A., 1989) and Columbia University (M.I.A. Dartmouth, 1986). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • Thomas Costas Letsou is a lawyer practicing wills & living wills, trusts, estate planning and 1 other area of law
  • Thomas received a degree from Columbia University in 1986, and has been licensed for 37 years
  • Thomas practices in New York, NY

Practice Areas Explained

Thomas Costas Letsou's Areas of Practice

Each practice area below reflects the types of cases Thomas Costas Letsou handles, with a brief overview of what that area of law covers.

Trusts

Thomas Costas Letsou is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in New York →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Thomas Costas Letsou is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Thomas Costas Letsou is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in New York →

Power of Attorney

Thomas Costas Letsou is one of 33,188 poa attorneys indexed nationally. Browse poa attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common questions about Thomas Costas Letsou

Where is Thomas Costas Letsou's law office located?
Thomas Costas Letsou's law practice is located in New York, New York. You can contact the office directly through this profile page.
What practice areas does Thomas Costas Letsou handle?
Thomas Costas Letsou focuses on trusts, estate planning, tax, poa. Each practice area listed reflects experience handling cases of that type in New York.
How long has Thomas Costas Letsou practiced law?
Thomas Costas Letsou has 37+ years of legal experience and has been licensed since 1989.
Where did Thomas Costas Letsou go to law school?
Thomas Costas Letsou earned their education at (J.D. M.I.A., 1989); (M.I.A. Dartmouth, 1986).
How can I contact Thomas Costas Letsou for a consultation?
You can contact Thomas Costas Letsou directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D. M.I.A.
Columbia University
- 1989
M.I.A. Dartmouth
Columbia University
- 1986

Bar Admissions

California
Admitted: 1989
New York
Admitted: 1994
New Jersey
Admitted: 2006

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