Rendering of 634 El Pintado Road, a modern home on nearly an acre in Danville

Build your
dream home

Build your
dream home


Mark ONE is a luxury custom home builder serving the East Bay, South Bay and Peninsula.

SCROLL DOWN

/ EXPERIENCE

Clarity, craft and calm in every step.

Rendering of the dining room and wine wall at 634 El Pintado Road, Danville
Rendering of the pool terrace at 634 El Pintado Road, Danville
Building a custom home is deeply personal, and the process can feel daunting when decisions, costs, and timelines are unclear. We bring order to the complexity with honest advice, thoughtful planning, and steady communication.
Our work is shaped around you: how you live, what you value, and what you want this home to make possible. We collaborate with your architect and designer, anticipate challenges early, and manage every detail with care. The result is more than an exceptional home. It is a building experience that feels clear, composed, and worthy of your investment.

Twenty five years · Greater Bay Area ·
Lic. 1014193

Where do you want to start?

/ HOW IT WORKS

What happens after you call

/ 01

Sit down
Bring the lot, the plans, or just the idea. You get a number before anyone signs anything.

/ 02

Design and price it
The house gets drawn and priced line by line. You approve it before ground breaks.

/ 03

Build it
One project manager, one number to call, and regular updates you never have to chase.

/ TESTIMONIALS

What families
are saying

  • Working with Mark ONE was a true joy. Mark and his team took most of the stress out of the process for us. From fit and finish selection, advice on design and architecture to the stunning finished product, they helped every step of the way.

    Keith Robinson
    Mark ONE Homeowner
  • We chose Mark ONE Development to build our house on the westside of Danville and we highly recommend their services. They helped us successfully navigate a typically difficult, strenuous process resulting in a smooth project from beginning to end. Thank you!

    Jim and Colleen Brennan
    Homeowners, Westside of Danville
  • From concept, construction and finishes communication and quality were second to none. Our turn-key project was completed on time and on budget. Mark’s attention to detail and outstanding craftsmanship have given our family a home we will enjoy for years to come.

    Jerry and Marisa Carr
    Mark ONE Homeowners
Living room at 1963 La Cadena, Diablo
Mark ONE home with a glass-front garage and stone motor court
1963 La Cadena, Diablo, at sunset
Interior at 634 El Pintado Road, Danville
634 El Pintado Road, Danville
Kitchen at 1963 La Cadena, Diablo
Tarry Lane, Orinda
Interior at 634 El Pintado Road, Danville

/ TESTIMONIALS

What families
are saying

  • Working with Mark ONE was a true joy. Mark and his team took most of the stress out of the process for us. From fit and finish selection, advice on design and architecture to the stunning finished product, they helped every step of the way.

    Keith Robinson
    Mark ONE Homeowner
  • We chose Mark ONE Development to build our house on the westside of Danville and we highly recommend their services. They helped us successfully navigate a typically difficult, strenuous process resulting in a smooth project from beginning to end. Thank you!

    Jim and Colleen Brennan
    Homeowners, Westside of Danville
  • From concept, construction and finishes communication and quality were second to none. Our turn-key project was completed on time and on budget. Mark’s attention to detail and outstanding craftsmanship have given our family a home we will enjoy for years to come.

    Jerry and Marisa Carr
    Mark ONE Homeowners
Living room at 1963 La Cadena, Diablo
Mark ONE home with a glass-front garage and stone motor court
1963 La Cadena, Diablo, at sunset
Interior at 634 El Pintado Road, Danville
634 El Pintado Road, Danville
Kitchen at 1963 La Cadena, Diablo
Tarry Lane, Orinda
Interior at 634 El Pintado Road, Danville

/ TESTIMONIALS

What families
are saying

  • Working with Mark ONE was a true joy. Mark and his team took most of the stress out of the process for us. From fit and finish selection, advice on design and architecture to the stunning finished product, they helped every step of the way.

    Keith Robinson
    Mark ONE Homeowner
  • We chose Mark ONE Development to build our house on the westside of Danville and we highly recommend their services. They helped us successfully navigate a typically difficult, strenuous process resulting in a smooth project from beginning to end. Thank you!

    Jim and Colleen Brennan
    Homeowners, Westside of Danville
  • From concept, construction and finishes communication and quality were second to none. Our turn-key project was completed on time and on budget. Mark’s attention to detail and outstanding craftsmanship have given our family a home we will enjoy for years to come.

    Jerry and Marisa Carr
    Mark ONE Homeowners
Living room at 1963 La Cadena, Diablo
634 El Pintado Road, Danville
Mark ONE home with a glass-front garage and stone motor court
Kitchen at 1963 La Cadena, Diablo
1963 La Cadena, Diablo, at sunset
Tarry Lane, Orinda
Interior at 634 El Pintado Road, Danville
Interior at 634 El Pintado Road, Danville