Atty. William Kolbe Mattar

Atty. William Kolbe Mattar

William Kolbe Mattar is a lawyer practicing administrative law, creditor bankruptcy, business law and 12 other areas of law. William received a degree from Syracuse University, and has been licensed for 37 years.

Williamsville Williamsville 37 yrs experience 37 year
Call (716) 501-8013 Book Appointment

Profile Summary

About William Kolbe Mattar at a glance

William Kolbe Mattar is a car accidents, wills, contracts, estate planning, and business attorney based in Williamsville, New York. They have 37+ years of legal experience, licensed to practice since 1989. Admitted to practice in New York (1989), Nebraska (2014), Wyoming (2014), and Vermont (2014). Educated at University of Nebraska - Lincoln College of Law J.D. (—) and Syracuse University (—). Active member of Nebraska Bar Association. Serands clients in Williamsville, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Kolbe Mattar is a lawyer practicing administrative law, creditor bankruptcy, business law and 12 other areas of law
  • William received a degree from Syracuse University, and has been licensed for 37 years
  • William practices in Williamsville, NY

Practice Areas Explained

William Kolbe Mattar's Areas of Practice

Each practice area below reflects the types of cases William Kolbe Mattar handles, with a brief overview of what that area of law covers.

Car Accidents

Hurt in a car crash? Car accident lawyers fight insurance companies for fair compensation — free consult, no fee unless you win.

William Kolbe Mattar is one of 36,807 car accidents attorneys indexed nationally. Browse car accidents attorneys in New York →

Wills

William Kolbe Mattar is one of 34,541 wills attorneys indexed nationally. Browse wills attorneys in New York →

Contracts

William Kolbe Mattar is one of 76,762 contracts attorneys indexed nationally. Browse contracts 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.

William Kolbe Mattar is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

William Kolbe Mattar is one of 501,317 business attorneys indexed nationally. Browse business 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 Williamsville 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 Williamsville or all attorneys in New York.

Frequently Asked

Common questions about William Kolbe Mattar

Where is William Kolbe Mattar's law office located?
William Kolbe Mattar's law practice is located in Williamsville, New York. You can contact the office directly through this profile page.
What practice areas does William Kolbe Mattar handle?
William Kolbe Mattar focuses on car accidents, wills, contracts, estate planning, business. Each practice area listed reflects experience handling cases of that type in New York.
How long has William Kolbe Mattar practiced law?
William Kolbe Mattar has 37+ years of legal experience and has been licensed since 1989.
Where did William Kolbe Mattar go to law school?
William Kolbe Mattar earned their education at (—); (—).
How can I contact William Kolbe Mattar for a consultation?
You can contact William Kolbe Mattar 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

University of Nebraska - Lincoln College of Law J.D.
- In Progress
Syracuse University
- In Progress

Bar Admissions

New York
Admitted: 1989
Nebraska
Admitted: 2014
Wyoming
Admitted: 2014
Vermont
Admitted: 2014
Texas
Admitted: 2014
Pennsylvania
Admitted: 2014
Michigan
Admitted: 2014
Massachusetts
Admitted: 2014
District of Columbia
Admitted: 2014
Arizona
Admitted: 2014
Alaska
Admitted: 2014
Oregon
Admitted: 2014
New Hampshire
Admitted: 2014
Kansas
Admitted: 2014
Minnesota
Admitted: 2015
Colorado
Admitted: 2015
Georgia
Admitted: 2015
Maine
Admitted: 2016

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