Atty. William N. "Bill" Horowitz

Atty. William N. "Bill" Horowitz

William N. Horowitz is a Principal in Cummings & Lockwood's Private Clients Group and is based in the Bonita Springs office.

Bonita Springs Bonita Springs 51 yrs experience 51 year
Call (239) 947-8811 Book Appointment

Profile Summary

About William N. "Bill" Horowitz at a glance

William N. "Bill" Horowitz is a trusts attorney based in Bonita Springs, Florida, practicing at Cummings & Lockwood LLC. They have 51+ years of legal experience, licensed to practice since 1975. Admitted to practice in Florida (1975). Educated at University of Miami School of Law (—, 1976) and University of Miami School of Law (J.D., 1975). Recognitions include Best Lawyers in America — Trusts and Estates (2026), Best Lawyers in America — Additional Areas of Practice: (2026), and Best Lawyers in America — Tax Law (2026). Serands clients in Bonita Springs, FL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William N. Horowitz is a Principal in Cummings & Lockwood's Private Clients Group and is based in the Bonita Springs office
  • Bill focuses his practice in the area of trusts and estates and related tax matters
  • He represents and advises individuals, beneficiaries, fiduciaries and charitable organizations
  • Bill began his legal career in 1976 as an Associate at the law firm of Henderson, Franklin, Starnes & Holt in Fort Myers, Florida, where he became a partner in 1980 and continued his practice with that firm until August 2001 when he joined Cummings & Lockwood

Practice Areas Explained

William N. "Bill" Horowitz's Areas of Practice

Each practice area below reflects the types of cases William N. "Bill" Horowitz handles, with a brief overview of what that area of law covers.

Trusts

William N. "Bill" Horowitz is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in Florida →

Jurisdictional Context

Why local counsel matters in Florida

Practicing law in Florida. Legal matters in Florida are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Bonita Springs are typically filed in the local municipal court or the appropriate Florida state district court, depending on subject matter and amount in controversy. An attorney licensed in Florida 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 Florida courts without local counsel or pro hac vice admission.

Looking for additional Florida attorneys? Browse all attorneys in Bonita Springs or all attorneys in Florida.

Frequently Asked

Common questions about William N. "Bill" Horowitz

Where is William N. "Bill" Horowitz's law office located?
William N. "Bill" Horowitz's law practice is located in Bonita Springs, Florida. The firm is Cummings & Lockwood LLC. You can contact the office directly through this profile page.
What practice areas does William N. "Bill" Horowitz handle?
William N. "Bill" Horowitz focuses on trusts. Each practice area listed reflects experience handling cases of that type in Florida.
How long has William N. "Bill" Horowitz practiced law?
William N. "Bill" Horowitz has 51+ years of legal experience and has been licensed since 1975.
Where did William N. "Bill" Horowitz go to law school?
William N. "Bill" Horowitz earned their education at (—, 1976); (J.D., 1975); (BS, 1972).
How can I contact William N. "Bill" Horowitz for a consultation?
You can contact William N. "Bill" Horowitz 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.
What awards or recognition has William N. "Bill" Horowitz received?
William N. "Bill" Horowitz's notable recognition includes: Best Lawyers in America — Trusts and Estates; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Tax Law; Best Lawyers in America — Special Focus:; Best Lawyers in America — Estate Planning.

Practice Areas

Education

University of Miami School of Law
- 1976
J.D.
University of Miami School of Law
- 1975
BS
University of Florida
- 1972

Awards

Best Lawyers in America — Trusts and Estates
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Tax Law
- 2026
Best Lawyers in America — Special Focus:
- 2026
Best Lawyers in America — Estate Planning
- 2026
Best Lawyers in America — Tax
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Board Certified by the Florida Bar in Tax Law, 1983 - Present
- 2026
Best Lawyers in America — The American College of Trusts and Estate Counsel (ACTEC), Fellow
- 2026
Best Lawyers in America — Florida Super Lawyers, 2006 - Present
- 2026
Best Lawyers in America — Martindale-Hubbell, AV Rated
- 2026
Lawyer of the Year — Trusts and Estates (Fort Myers)
- 2011

Bar Admissions

Florida
Admitted: 1975

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