512-677-3992 greg@flennhomes.com

Building Works of Heart

As a Custom Home Builder and Remodeling Firm,  Flenn offers unparalleled services from a multitude number of experts.

Dreamception Design Program
Sit down with our designer and see your home vision spring to life.

Formal Estimate Guarantee
We guarantee that the price you contractually agree to is the price you end up paying.

On-Time Guarantee
Once we contract a finish date, we guarantee that we’ll be finished on time or we’ll pay you until the build is completed!

Lifetime Labor Warranty
Your satisfaction in our work is paramount to us – which is why we warranty our work.

Meet The Rest Of The Team!

With more than 40 years of experience and over 75 homes built or remodeled in the Greater Austin Area, you’ll have the peace and satisfaction of working with a team comprised of an experienced Construction Engineer, Building Designer, Interior Designer, and Real Estate Agent.


Carmen Miller

Designer | Real Estate Agent
Flenn Custom Homes and Remodels

Carmen grew up in the Midwest where she learned much of the construction trades from her father. She became a licensed real estate agent in 2002 and hangs her license with JP & Associates, helping clients in the Austin and Dallas areas. As an Architect Draftsman for FCHR,  she has the privilege of helping her clients see the potential of their remodel, and/or helping them find and transform a home into their dreams.

Carmen has been married to her husband, Paul, for 24 years. They reside in Round Rock with their children: Jake, McKayla, Sarah, and Reese. In her spare time, Carmen is cheering on her kids and enjoying time with Paul.

More About Greg

Greg Flenniken has been building houses since high school. After earning a degree in Construction Engineering from Pittsburg State University in Kansas, Greg soon joined the home-building industry and never looked back. He’s built homes in North Carolina and in Houston. Since 1999, Austin has been home.

Flenn Custom Homes and Renovations has been in the Austin area for more than 21 years and completed hundreds of custom homes and home-remodeling projects. Greg says that being a husband and a father of four gives him a better understanding of what families need in a home. He works with clients to maximize the return on their investment and offers decision-making help when needed.

“I truly enjoy the process of helping families take their dreams and make them a reality in a home that fits their unique lifestyle,” he said. “Building homes is my passion!”

Richard Mersiovsky

Richard Mersiovsky

Residential Architect

Richard Mersiovsky. AIA

Allen P. Auth

Allen P. Auth


Authentic Designs Austin

Greg was easily accessible at all times for questions or concerns. Our home turned out exactly as we had imagined, and the experience was fun and rewarding.

Lance and Amy

It was all a pleasurable experience, and without any hesitation we would have Flenn Custom Homes build for us again.

Kevin and Lyssa

Request Your Appointment Today!

(512) 677-3992

3703 Oak Meadow Dr.
Round Rock, TX  78681

Building Custom Homes in Georgetown, Round Rock, and North Austin.