Tammy Costello


Tammy is a dedicated and experienced real estate professional, committed to helping her clients achieve their real estate goals. With a passion for the industry and a keen understanding of market trends, Tammy brings a wealth of knowledge to every transaction.

Tammy’s approach is characterized by personalized service, attention to detail, and a focus on building lasting relationships. Whether you’re a first-time homebuyer, a seasoned investor, or looking to sell your property, Tammy’s expertise and guidance will ensure a smooth and successful real estate experience.

Known for her excellent communication skills and negotiation mastery, Tammy goes above and beyond to advocate for her clients’ best interests. She takes pride in providing comprehensive support throughout the buying or selling process, offering valuable insights and resources to make informed decisions. Her integrity, professionalism, and genuine concern for her clients set her apart in the competitive real estate landscape.

When not on the house hunt, you can find her exploring the Austin food and music scene, embarking on new adventures in nature and soaking up moments with loved ones.

Market Updates

Contact Tammy Today!

Call 512-883-5445 or fill out the short form below.

Agent Bio Contact

This field is for validation purposes and should be left unchanged.

*Don’t worry, we hate spam as much as you and would never sell or share your information. Our privacy policy is available here.

2300+ Client reviews!

Tammy was so helpful during our home buying process. We really appreciated how invested she was in us finding our first home. Would definitely recommend!

My realtor was Tammy and we had a great experience. It felt that she wanted us in the home that is the best fit for us and felt that she was authentic and honest with us. We benefited from her experience and advice in avoiding places that wouldn’t have worked for my family and finding the place that checked off all our boxes. Thank you Tammy!

It was pleasure working with Tammy Costello from Bramlett Residential Real Estate in finding our home. We could not have imagined the process to be as seamless and easy as it was! As first-time home buyers, Tammy walked us through the process and guided us through each step. She is meticulous, has great communication and negotiation skills. With her help and years of experience, we were able to find our dream home. Thanks for making it so easy, Tammy!

Tammy helped my family find a great first home.. we would highly recommend letting her help you

Tammy was beyond helpful. She turned what should have been a stressful experience into an amazing one. She was extremely thoughtful and knowledgeable about the area and showed us exactly what we were looking for! Didn’t know the house buying process could be this enjoyable and easy! Would definitely recommend!

I cannot recommend Tammy Costello enough! She goes above and beyond and is amazing at what she does. She is extremely professional and knowledgeable in the real estate industry and market. She made the process stress-free and easy. Thank you Tammy!

Tammy helped us find exactly what we were looking for as first time homebuyers and made the process so easy!!

Tammy Costello changed my life! She helped me find my absolute dream home and never stopped searching for the perfect one! I have never been happier in my new house, with a pool! She is very intuitive and knows exactly what you’re looking for! Could not recommend her enough.

As a fellow realtor, I had the pleasure of working with Tammy on a recent transaction, and I must say, it was an absolute delight. Tammy’s professionalism and accessibility were second to none, making our collaboration smooth and efficient.

Throughout the process, Tammy proved herself to be a true expert in her field. Her attention to detail and dedication to her clients were evident in every interaction we had. From promptly returning calls and emails to effortlessly navigating negotiations, Tammy’s expertise shone through, making her a valuable asset to any transaction.

One of the standout qualities of working with Tammy was her accessibility. In an industry where time is of the essence, Tammy was always just a phone call or email away, ready to address any questions or concerns that arose. This level of responsiveness not only facilitated effective communication but also instilled confidence in our ability to work together seamlessly.

Tammy is the absolute best! We relocated from the East Coast and Tammy went well above and beyond.
We found a beautiful home in a great area. She listens to your wants and needs, then delivers. Thank you,

Tammy Costello’s service is stellar! She consistently goes above and beyond and is always timely. I can’t
say enough about what a joy she is to work with! Thank you, Tammy Costello, for making our property
search so easy!

Tammy in Austin, Texas is amazing! She is very hard working and driven, she keeps going until she finds
exactly what the client is looking for. Tammy is clearly passionate about her job and clients and a great
asset to this company! Would recommend her to anyone in search of a home or property!

Click Here to Read All Reviews