custom homebuilding

Your Home Built Your Way

Learn about our custom-built homes in Bethany Beach & the surrounding areas today.

Not sure what you’re looking for?
Schedule an appointment with us today.
Our home designs will bring your vision to life.


we're with you every step of the way

Mark Dieste Design Build keeps you involved in the process at every step. When we start your custom home, we meet with you one-on-one to make sure you understand the homebuilding process entirely.

You can trust us to build a beautiful home that embraces your:

  • Lifestyle
  • Family
  • Budget

To see examples of our custom-built homes, view the Photo Gallery page now. Whether you want to replicate our designs or start from scratch, we can get the job done the right way.

Project Portfolio


ready to reach new heights? Let's get there, together.

Live a fulfilling life in a beautiful home