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also known as Jennifer T. LaCoste
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Originally from Seattle, Wa., Ms. LaCoste attended Carnegie-Mellon University where she focused her studies on Political Science, International Relations and Chinese Language. During her undergraduate education, Ms. LaCoste studied abroad in Shanghai China, worked as a research assistant and teaching assistant for the international relations department of Carnegie-Mellon University, and worked in Washington D.C. as an opposing-party research intern.
With a desire to practice law and help children and families, Ms. LaCoste earned her Juris Doctor from Gonzaga University School of Law in 2014. During her time at Gonzaga University School of Law, she worked in the Elder Law Legal Clinic where she practiced family law and elder law under supervision. Ms. LaCoste additionally volunteered as a mentor at the Fulcrum Dispute Resolution Center in Spokane, WA to assist those in need with employment skills with a focus on education.
Ms. LaCoste is admitted to the State Bar of Washington, and holds membership in the Washington State Bar Association Family Law Section, as well as the Benton/ Franklin County Local Bar Association. In the Fall of 2015 she was elected as the Treasurer and Board Member of the Benton-Franklin County Bar Association. She also is an active Rotary International Member and serves as the Foundation Officer and Board Member at Richland Riverside Rotary Club.
In the Summer of 2016 Ms. LaCoste attended training at the National Institute for Trial Advocacy (NITA) and gained certification for completion of their trial advocacy intensive training program. In the Fall of 2016 Ms. LaCoste completed training in Collaborative Law with the Seattle Collaborative Law Training Group, and became a member of the International Academy of Collaborative Professionals. She hopes to continue to educate herself in order to better serve her clients and the community.
Ms. LaCoste is a diligent, passionate, dedicated advocate in modern family law. Her representation focuses on all aspects of family law including divorce, separation, custody, child support, division of property, relocation actions, and spousal support (alimony).
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Free Consultation
$0 first 45 minutes
State: Washington
Acquired: 2015
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103 Client Reviews
Showing 1 - 5 of 103 reviews
Posted by Irene | October 01, 2025 | Hired Attorney | Divorce & Separation
Exceptional Divorce Attorney
I am deeply grateful to my attorney, Jennifer, for all the effort and dedication she put into handling my divorce case. She is highly professional and truly committed, always quick to understand my intentions and provide tremendous emotional support during a very difficult time. Working with her has ...
Posted by anonymous | June 26, 2025 | Hired Attorney
Professional and Responsive
Really appreciated the whole team being straight forward and quick to respond with anything I needed. Couldn’t have asked for better representation.
Posted by anonymous | May 28, 2025 | Hired Attorney
Great to work with
The team was easy to work with and communicated with me every step of the way.
Posted by [email protected] | October 28, 2024 | Hired Attorney
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Posted by Juan L | August 28, 2024 | Hired Attorney | Family
LaCoste Law Review
When I first met with LaCoste Law, I came in feeling helpless and without any recourse to the situation I was in. However, that quickly changed after I had my first meeting with them. They listened to everything I was dealing with and reassured me that they would do everything they could to help me...
"Ms. Lacoste is always composed, professional, and diligent in her work as a family law attorney. She is compassionate to her clients, always seeking the best outcome for them. Further, she sees clients as people who need her help, not as customers."
"I've known Jennifer for many years, and I've watched her become the attorney she is today - smart and tough, but with compassion for her clients. That's really what one should want in a family law attorney. I endorse this lawyer."
"Jennifer is a hard working, effective advocate for her clients. She provides valuable advice and counsel to those she represents, and is an excellent attorney."
"I am happy to endorse this lawyer. Jennifer is intelligent and caring. She takes great care with her client's cases, such that I would not hesitate to recommend her services to my own family or friends."
"I endorse this lawyer. Jennifer is a great mix of high level legal intelligence and real life pragmatic problem solving ability. She is uniquely suited to help her clients get excellent results."
"I'll just say, I'm glad she works for us (Ashby Law). There is no one in the Tri-Cities whom I'd rather have on my side at trial. Jenn does not back down and zealously represents her clients."
"Jennifer is one of Benton-Franklin Counties leading practitioners. It's obvious how much respect she commands from the local bench and bar. What is less obvious is how much she gives back to the bar and the community in service. A first rate attorney and person."
"Jennifer is committed to her work in family law and to her clients. She is highly motivated and advocates well, having had excellent trial and collaborative law training. I highly endorse Jennifer LaCoste."
"Jennifer is an excellent attorney and is extremely dedicated to her clients. She has extensive family law experience and truly enjoys her career. She never fails to take the time to answer questions. She is available not only to her clients but also her colleagues. Jennifer is professional and knowledgeable and I am proud to endorse her."
"Jennifer is an amazingly well-prepared, passionate, and intelligent attorney. She is strong, confident, and poised in the courtroom and for her clients. I have no hesitation in endorsing Jennifer as an excellent Family Law attorney."
"I have worked against Ms. LaCoste on two child custody matters, and in each case we worked under difficult circumstances but managed to productively reach resolution. She is a staunch advocate for her clients, but I also found her to be very approachable and reasonable. I endorse this lawyer."
"Jennifer is an amazing lawyer who cares deeply about her clients. She is a competent and skilled attorney!"
"I am impressed with Jennifer's work ethic and drive to achieve her client's goals. I endorse this lawyer."
"Jennifer and I have opposed each other in a number of cases but only recently had to take a matter to Trial. It was nice to be able to work on focusing on the issues for a Trial instead of purposely delaying or frustrate the process. I believe it says something when you can respect the lawyer on the opposing side at the end of litigation; I would recommend her as counsel for family law issues."
"I endorse this lawyer. She works hard for her clients. She cares about them greatly, and will do a fantastic job for them. If you want a lawyer that listens to you, works hard for you, and cares about your success, go with Jennifer."
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2020
Best Divorce Lawyers in Kennewick, Expertise
2020
Client Choice Award, AVVO
2020
Family Law "10 Best Attorney" Selection for Washington, American Institute of Family Law Attorneys
2019
Client Choice Award, Avvo
2019
Family Law "10 Best Attorney" Selection for Washington, American Institute of Family Law Attorneys
2018
Client Choice Award, Avvo
2018
Family Law "10 Best Attorney" Selection for Washington, American Institute of Family Law Attorneys
2017
Client Choice Award, Avvo
2017
Top 10 Family Law Award, Attorney and Practice Magazine
2016
10 Best, American Institute of Family Law Attorneys
2016
Collaborative Law Training Completion, Seattle Collaborative Law Training Group
2016
Trial Advocacy Skills Intensive Training Completion, National Institute for Trial Advocacy
2016
Client Choice Award, Avvo
2015
Client's Choice Award, Avvo
2014
CALI Excellence for the Future Award For Estate Planning, The Center for Computer-Assisted Legal Instruction
2014
Dean's Academic Honor List, Gonzaga University School of Law
2014
CALI Excellence for the Future Award for Advanced Legal Research, The Center for Computer-Assisted Legal Instruction
2007
Kenner Scholarship for International Studies - China 2007, Kenner Scholar for International Studies
2006
Friedman Scholar, Friedman Scholarship Fund
2006
Deans Academic Honor List, Carnegie-Mellon University
2018 - Present
Attorney/Owner, LaCoste Law PLLC
2018 - 2018
Managing Attorney - Kennewick Office, Ashby Law PLLC
2015 - 2018
Attorney, Ashby Law PLLC
2014 - 2014
Rule 9 Clinical Intern, University Legal Assistance, Gonzaga Law School
2014 - 2015
Law Clerk, Ashby Law PLLC
2015 - Present
Benton/ Franklin County Bar AssociationMember
2015 - Present
Washington State Bar Association Family Law SectionMember
2015 - Present
Washington State Bar AssociationMember
2015 - Present
Rotary InternationalMember
2015 - Present
Rotary InternationalBoard Member
2018 - 2018
Youth and Justice Forum Board of TrusteesBoard Member
2018 - 2019
American Institute of Family Law AttorneysMember
2018 - 2019
Rotary InternationalPresident
2017 - 2018
Rotary InternationalPresident-Elect
2017 - 2018
CPW Collaborative Professionals Annual Conference CommitteeCommittee Member
2017 - 2018
Rotary InternationalMembership Committee Member for District No. 5080
2017 - 2019
Benton Franklin County Bar AssociationTrustee
2016 - 2018
International Academy of Collaborative ProfessionalsMember
2015 - 2017
Rotary InternationalFoundation Officer
2015 - 2018
Benton Franklin County Bar AssociationBoard Member
2015 - 2017
Benton Franklin County Bar AssociationTreasurer
Court of Appeals Decision in Our favor.
2014
Juris Doctor
2008
Bachelor of Science
2018
Richland Riverside Rotary Club 2018-2019 Goals
2018
Rotary President-Elect Training on Leadership, Membership and Updates
2017
Collaborative Law and Financial Planning
2016
Contributions to Rotary and the Community
2016
Contributions to Rotary and the Community
2015
Updates in Modern Family Law
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