Atty. James L. Costello

Atty. James L. Costello

Mr. James L.

Portland Portland 34 yrs experience 34 year
Call (207) 910-6565 Book Appointment

Profile Summary

About James L. Costello at a glance

James L. Costello is a Member based in Portland, Maine, practicing at Curtis Thaxter LLC. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on business, real estate, litigation, and energy. Admitted to practice in U.S. District Court, District of Maine (1992). Educated at University of Maine School of Law (J.D., 1991) and University of Maine (B.A., 1984). Recognitions include Peer Reviewed. Active member of Cumberland County, Maine State and American Bar Associations Maine Society of Certified Public Accountants American Association of Attorney-Certified Public Accountants. Serands clients in Portland, ME and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. James L. Costello is a lawyer practicing corporate law, commercial litigation, energy and 3 other areas of law
  • James received a B.A. degree from University of Maine in 1984, and has been licensed for 34 years
  • James practices at Curtis Thaxter LLC in Portland, ME

Practice Areas Explained

James L. Costello's Areas of Practice

Each practice area below reflects the types of cases James L. Costello handles, with a brief overview of what that area of law covers.

Business & Corporate Law

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

James L. Costello is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Maine →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

James L. Costello is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Maine →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

James L. Costello is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Maine →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

James L. Costello is one of 36,230 energy attorneys indexed nationally. Browse energy attorneys in Maine →

Jurisdictional Context

Why local counsel matters in Maine

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

Looking for additional Maine attorneys? Browse all attorneys in Portland or all attorneys in Maine.

Frequently Asked

Common questions about James L. Costello

Where is James L. Costello's law office located?
James L. Costello's law practice is located in Portland, Maine. The firm is Curtis Thaxter LLC. You can contact the office directly through this profile page.
What practice areas does James L. Costello handle?
James L. Costello focuses on business, real estate, litigation, energy. Each practice area listed reflects experience handling cases of that type in Maine.
How long has James L. Costello practiced law?
James L. Costello has 34+ years of legal experience and has been licensed since 1992.
Where did James L. Costello go to law school?
James L. Costello earned their education at (J.D., 1991); (B.A., 1984).
How can I contact James L. Costello for a consultation?
You can contact James L. Costello 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 James L. Costello received?
James L. Costello's notable recognition includes: Peer Reviewed.

Education

J.D.
University of Maine School of Law
- 1991
B.A.
University of Maine
- 1984

Awards

Peer Reviewed

Bar Admissions

U.S. District Court, District of Maine
Admitted: 1992

Reviews

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