Crafting Spaces
Built to Last
M&R Quality Construction brings 40+ years of award-winning expertise to residential remodels, ADUs, and commercial projects across Silicon Valley.
Comprehensive Construction Services
Residential Remodels
Full-scope home remodeling in California — kitchens, bathrooms, bedrooms, and whole-home transformations that elevate everyday living.
ADU Construction
California ADU construction experts. Accessory Dwelling Units designed and built to maximize your property value, from detached cottages to garage conversions.
Roofing
Licensed roofing contractor serving California homeowners and businesses. New roofs, re-roofing, repairs, and inspections with quality materials built to last.
Landscape & Hardscape
California landscape and hardscape contractor. Patios, walkways, retaining walls, driveways, and outdoor living spaces that extend your home's beauty outdoors.
Commercial Projects
California general contractor for commercial construction. Office build-outs, retail spaces, and light commercial projects delivered on time and within budget.
Value Engineering
Our signature approach: delivering the highest quality outcome for your investment through smart material and process choices.
Featured Projects
Our Leadership
Kenneth Ruff
Partner & Founder
With over 40 years in the building industry, Ken has led M&R Quality Construction from its founding, establishing a reputation for expert craftsmanship and transparent client relationships across Silicon Valley.
Mike Monaghan
Partner
Mike brings deep expertise in value engineering and project management, ensuring every MRQC project delivers the highest quality outcome within budget — from small residential refreshes to large-scale estate remodels.
Building Silicon Valley's
Finest Homes
M&R Quality Construction, LLC was founded on a simple principle: every client deserves the best possible outcome for their investment. With over four decades of experience across Silicon Valley, we've built a reputation for delivering exceptional craftsmanship, transparent communication, and projects that exceed expectations.
We bring a mature model of value engineering to realize the highest value from your investment — from small residential refreshes to large-scale estate remodels and commercial projects.
- 40+ years of licensed contractor experience
- Award-winning value engineering approach
- Residential, ADU & commercial expertise
- On-time, on-budget project delivery
- Fully licensed and insured in California
What Our Clients Say
We hired M & R Quality Construction for a full remodel of our home, including the kitchen, bathrooms, washroom, bedrooms, living room, and landscaping and we could not be happier with the results. From start to finish, Mike and Ken were professional, respectful, and incredibly patient throughout the entire process.
The quality of the work was outstanding. Every detail was completed with exceptional craftsmanship and care. It was clear that they take great pride in their work and are committed to delivering high-quality results.
What we appreciated most was their communication and collaboration. Mike and Ken always treated us with dignity and respect. They took the time to explain options, offer thoughtful recommendations, and listen to our ideas. They made sure we were comfortable with every decision along the way.
The project was completed on schedule, which was very important to us. Their work exceeded our expectations. Our family and friends love our newly remodeled home. We highly recommend M & R Quality Construction to anyone looking for a reliable, skilled, and trustworthy team for all your home improvement needs.
John P.
Full Home Remodel — Kitchen, Bathrooms, Bedrooms, Living Room & Landscaping
Let's Build Something
Great Together
Ready to transform your space? Contact us today for a free consultation. We serve the entire Silicon Valley and Bay Area.