Tessmer Law Firm
Is Your Advocate

Heather Tessmer and her staff are experienced and committed to providing the best legal representation to their clients.
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Happy Clients
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Years of Legal experience

Right Representation. Right Time.

Why We Are The Best

Tessmer Law Firm, P.L.L.C. is owned and operated by Heather Clement Tessmer, attorney at law. Tessmer Law Firm has been continuously growing and is now headquartered at the Northwest Center building in San Antonio, Texas. We have evolved into a “full-service” firm – assisting clients through every facet of legal representation in family law, estate planning, and personal injury cases. 

TESSMER LAW FIRM, P.L.L.C.

Explore What We Are Doing Better

We are a full-service law firm providing assistance in the following areas. Our goal is to provide our clients with the best representation at a reasonable price.
Practice Areas

DIVORCE

When divorce seems inevitable, our attorneys are here to guide you.

CHILD CUSTODY

Our goal at Tessmer Law Firm, PLLC is to help you resolve custody and visitation issues, always keeping the best interests of your children as a priority.

ESTATE PLANNING & PROBATE

Tessmer Law Firm, PLLC will go over the variety of legal options available to you, and create a plan that can be as simple as a basic Will, or more complex to include Medical Directives and Powers of Attorney.

ADOPTION & GUARDIANSHIP

The Attorneys and staff at Tessmer Law Firm, PLLC can provide you with compassionate and professional guidance throughout the guardianship or adoption process.

Learn All About Our Associates

Meet The Attorneys

Heather Tessmer

Founder of Tessmer Law Firm, Professor, Visionary

Katherine Cabello-Flores

Associate Attorney

Mariana Posadas

Associate Attorney
Learn More

three steps to success

We Provide the Right Representation at the right time

We have evolved into a “full-service” firm – assisting clients through every facet of legal representation in family law, estate planning, and personal injury cases.

01

learning about all your legal issues

We offer consultations in-person, via zoom, and by phone.

02

Pair you up with the Perfect Attorney

All of our Attorneys work alongside Heather Tessmer to ensure you get the best representation.

03

Fight For You in Court

Have you ever argued with a woman?                                                                                                                                         

we will assist you in any issue and conflict

Practice areas include Divorce, Family Law, Probate, Wills and Estate Planning, Business Formations, Personal Injury, General Litigation, and Disability Appeals.
Learn more

What People Say About Us

Client Testimonials

"I can't say enough great things about this firm!"
L.S.Former Business Formation Client
L.S.
"Ms. Tessmer and her entire staff are not only very professional but are also very compassionate people......These women can accomplish anything!"
C.M.Child Custody Client
C.M.
"It was a great feeling to know that I had Ms. Tessmer on my side. A huge weight has finally been lifted off my shoulders because of the genuine concern and thoroughness with which she and her staff worked."
AnonDivorce Client
Anon
"Ms. Tessmer and her team have accomplished more in 9 months than other attorneys did in 1/3 of the time. They consistently keep us informed and have been diligent about our case. They have genuinely gotten to know us, and let us get to know them. We strongly recommend Ms. Tessmer and her team!"
AnonChild Custody Client
Anon
"When my husband was in a car wreck, we had no clue what to do. Heather and her team were very professional and caring. This was a long process and we knew they were in it with us the whole time. Very happy!"
C.K.Personal Injury Client
C.K.
"I appreciate the overall spirit which you ask of your team - and your clients: Prepare for all contingencies, engage if you must, but always conduct yourselves in a manner as to show moral integrity at all times."
D.Divorce Client
D.
"I cannot put into words how much I appreciate what the Team at Tessmer Law Firm has done for me thus far and continue to do!!! I was blessed to find ya'll."
R.Divorce Client
R.
"After my automobile accident, I didn't know where to turn. I can’t imagine how difficult this would have been for me without you in my corner.......I dare ANYONE to argue with THIS woman!"
C.W.Personal Injury Client
C.W.
"Heather helped settle my divorce in mediation, sparing me the expense and stress of court and she was the "rock" I needed in such a terrible time. I would highly recommend Heather Tessmer and her legal team to anyone who is in need of strong legal representation in any matter."
J.M.Divorce Client
J.M.
"Simply...the best! I sought the services of the Tessmer Law Firm to assist with my divorce, and I could not have been more impressed and pleased with this dedicated staff of professionals. Heather Tessmer and her outstanding team is a model for all other legal firms to emulate for their knowledge, attention to detail, timely communication, and legal expertise... Few things are more reassuring during circumstances as disruptive as a divorce than knowing you have such a caring, experienced, and confident legal group representing your interests. The Tessmer Law Firm is that and more!"
B. B.Divorce Client
B. B.

You Deserve One Of Our Best Lawyers

with 21 years of experience

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Custody, Christmas, and Covid-19

Tessmer Law Firm November 17, 2020

How does Covid-19 affect custody orders during the holiday season? By: Mariana Posadas Today, there are more active cases of COVID-19 in Texas than when