Gagnon Law Firm, LLC

Gagnon Law Firm, LLC Civil law practice assisting families and businesses with practical, results-driven legal solutions. With office locations in Plattsburg (119 N.

The choice of a lawyer is an important decision and should not be based solely upon advertisements. Main Street) and Lathrop (601 Oak Street), Missouri

We are excited to announce that Jason Peters has joined our firm as a new associate attorney. Jason, a Lathrop native an...
10/20/2025

We are excited to announce that Jason Peters has joined our firm as a new associate attorney. Jason, a Lathrop native and resident, will be working with our clients on litigation, real estate, and business matters, including advising our municipal and local government clients.

Jason will be primarily working out of our Lathrop office, and we are glad to be able to offer more consistent hours at that location on Mondays and Thursdays.

09/24/2025

Big news at Gagnon Law Firm, LLC: Regan Wood has joined our team as an Associate Attorney after passing the Missouri Bar Exam! Regan’s practice will include municipal prosecution, general litigation, and family law representation, further strengthening the services we provide to our clients. Congratulations, Regan—we’re proud to have you on our team!

03/22/2025

Join us on Tuesday, March 25th from 5:30-6:30 PM at The Community Courtyard in Plattsburg, MO to gain valuable insights regarding Business Contracts. This event is free to the public! Please message us on Facebook or email us at [email protected] to reserve your spot!

12/23/2024

To celebrate the holidays, our offices will be closed 12/23 through 12/27. We will be open again on Monday, 12/30. Thank you to our clients for a great year. We look forward to serving you in 2025!

Merry Christmas, and a happy holiday season, to all of our friends, clients - and even opposing counsels!
12/15/2024

Merry Christmas, and a happy holiday season, to all of our friends, clients - and even opposing counsels!

01/09/2024

Due to the winter storm, our offices will be closed Tuesday, January 9, 2024.

06/21/2023

Due to staff vacations, we are not going to be available for many drop-in clients or in-person appointments this week in either Lathrop or Plattsburg. Please give us a call, 816-336-2260, and we can schedule you for an appointment at a convenient time.

06/19/2023

In honor of the Juneteenth federal holiday, our offices will be closed today.

Address

119 N Main Street
Plattsburg, MO
64465

Opening Hours

Monday 9am - 4:30pm
Tuesday 8:30am - 4pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm

Telephone

+18163362260

Website

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