Your Sonoma County
general contractor
Crafting homes across Sonoma County for over a decade.
Specializing in remodels, ADUs, and earthquake retrofits.
Rohnert Park Cotati Santa Rosa Petaluma Glen Ellen Kenwood Sebastopol
Couldn’t be Happier with The Outcome
“We won’t forget the effort and patience that went into our remodel and we couldn’t be happier with the outcome.”
Rick McDonough
Sonoma County Homeowner
Your vision. Our expertise.
From concept to build
Our team is ready to talk to you about your project today. Get started with a free estimate and consultation for your project to answer your questions.
It turned out splendidly
“Working with Ray was a great experience. He was intelligent, resourceful, creative, and skilled. His estimates were fair and comprehensive. He tried hard to resolve my design issues and kept in communication. The work turned out splendidly. I will use him again.”
J.W.
Sonoma County Homeowner
About us
For over 30 years, Ray Bielefield has been crafting and improving homes across the Bay Area. Now focusing exclusively on Sonoma County, Bielefield Construction combines old-school craftsmanship, a deep respect for the local infrastructure and environment, and meticulous attention to detail to turn home improvement dreams into reality. From remodels and additions to ADUs and new builds, Bielefield Construction brings expertise, reliability, and a steady hand to every project.
Permitting Support
Bielefield Construction specializes in fast tracking Sonoma County’s permitting process.
Ready to start your project?
Contact us today for a free estimate.
Top notch service
“Ray and his team deliver top notch service I’m not used to anymore. I appreciate that very much.”
Julie W.
Sonoma County Homeowner