When you’re searching for a reliable family law attorney in San Antonio, it’s essential to find one who understands both the legal system and the local community.
At Tessmer Law Firm, we are proud to serve San Antonio residents with high-quality family law services that reflect the city’s rich culture and strong community values. Whether you’re walking through the historic Mission San José or attending a family outing at The River Walk, we know San Antonio because we live and work here, too.
Our firm focuses on all aspects of family law, including:

We guide clients through contested and uncontested divorces, with a focus on fair property division and child-centered outcomes.
Military divorce? We’ve represented numerous service members from Fort Sam Houston, Lackland AFB, and Randolph AFB – navigating retirement division and JBSA-specific custody concerns.

San Antonio parents often need help navigating custody and support issues, especially when relocating across school districts like NEISD or NISD.
Whether you’re in Alamo Heights or Stone Oak, we help parents resolve custody and visitation concerns while prioritizing the child’s well-being.

Our adoption lawyers assist families in expanding their families, handling stepparent, private, and agency adoptions.
We also help with legal guardianship cases across Bexar County, ensuring children are protected and placed in stable environments.

We support peaceful resolutions through mediation, especially for those living in tightly-knit communities like The Pearl District and La Villita.
Life changes? We help modify custody or support orders to reflect new circumstances.

Protect your future with custom marital agreements.
Whether you’re a business owner near Historic Market Square or a military spouse in JBSA, we tailor agreements to your needs.
Own property in high-value areas like The Dominion or River Walk? Secure your legacy with wills, trusts, and powers of attorney. We help families plan for the future and avoid legal complications.
Probating a will? We navigate Bexar County Probate Courts (Courts 1 and 2), helping families administer estates with or without wills. We also address common issues unique to Texas probate law.
We are deeply rooted in San Antonio, from assisting clients near San Fernando Cathedral to advocating for families from the Medical Center area.
Our legal team combines experience with empathy, ensuring clients understand their rights and options every step of the way.
Legal matters in San Antonio come with unique challenges:
Filing in Bexar County District Court
Military retirement and relocation rules
School district-specific custody agreements
Probate complexities tied to San Antonio property
Our attorneys understand these local nuances and stay updated on regional legal shifts.
Trustindex verifies that the original source of the review is Google. Very professional legal personnel and personable as well. Thanks for working quickly to accomplish our need for wills, directives, etc!Posted on Jeffery HicksTrustindex verifies that the original source of the review is Google. Absolutely great consultation!! Really helped me understand my options and how it was best to proceed forward with my case! I would definitely recommend just off the consultation! Thank you so much again!!Posted on Sarah GalvanTrustindex verifies that the original source of the review is Google. I can’t thank Tessmer Law Firm enough for the guidance and support they gave me throughout my divorce. From the very beginning, they were compassionate, attentive, and incredibly professional. Their experience and confidence helped ease a really difficult and emotional time in my life. I never felt alone or unsure — I always felt like I had a strong, dedicated team behind me. If you’re looking for a law firm that will fight for you while treating you with dignity and respect, I highly recommend Tessmer Law Firm. I’m so grateful for everything they’ve done for me.Posted on Jay HuronTrustindex verifies that the original source of the review is Google. Tessmer Law Firm is wonderful. From the time of first call until the end, their professional approach, continual connection and overall integrity provided for positive personal outcome. High recommend Tessmer for any legal needs.Posted on Michele WrightTrustindex verifies that the original source of the review is Google. Mi abogado es una persona honesto, sincero estoy muy agradecida con el trabajo que me hiso los recursos opuestos fueron duros pero el abogado pudo sobre llevar mi caso en exelencia. Dios los bendiga.Posted on Rosa VasquezTrustindex verifies that the original source of the review is Google. I had the pleasure of working with Katherine Flores and Megan Gherle from Tessmer Law Firm, and I cannot recommend them highly enough. They were fantastic — incredibly supportive, attentive, and compassionate throughout the entire process. My case was handled with great care, and they always set realistic goals, which were met efficiently. Thanks to their expertise and dedication, everything was resolved in a timely manner. I would confidently recommend Tessmer Law Firm to anyone in need of outstanding legal services.Posted on LavondaTrustindex verifies that the original source of the review is Google. I truly appreciate the personalized professional and caring assistance Tessmer Law Firm provided while addressing my legal needs.Posted on Jacque Sanchez
Yes. Military divorces involve unique rules around retirement, custody, and residency. We specialize in helping military families from Fort Sam Houston and JBSA.
If you move to or from areas like NEISD, NISD, or Alamo Heights ISD, custody or visitation schedules may need modification. We help ensure compliance with court-approved parenting plans.
Their estate goes through intestate probate in Bexar County, and assets are distributed per Texas law. We assist families in navigating this process smoothly.
Absolutely. We regularly work with clients who own property throughout central San Antonio, including areas like The Pearl and Historic Market Square.
It depends on complexity. Uncontested divorces may finalize in 60 days. Contested cases with custody or high-value assets take longer. We’ll walk you through the timeline.
Yes. Especially for couples living in tight-knit communities, mediation can be faster and less adversarial. We’ve mediated numerous divorces in The Dominion and Stone Oak.
If you’re searching for a trusted family law attorney in San Antonio, Tessmer Law Firm is here to help. Call us today or schedule a consultation to protect your family and future.