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The Best General Contractors in Sonoma, California

9 Min Read

In the heart of Wine Country, where vineyards meet vibrant communities, Sonoma’s construction scene is as diverse as its landscapes. The list below contains eight of the best general contractors in Sonoma. They were chosen based on their recognitions and awards, experience, and portfolio. With decades of combined experience and a knack for sustainability, these general contractors are the artisans behind Sonoma’s architectural tapestry.

LEFF Design Build

6791 Sebastopol Ave, #140, Sebastopol, CA 95472

Founded in 1978, LEFF Design Build excels in whole-home remodeling and new home projects. With a focus on integrating sustainable principles and new technologies, it has gained a national reputation for its award-winning designs. The company is a pioneer in the design-build process, a trend that’s gaining traction in the remodeling industry. LEFF operates from a comprehensive team, fostering collaboration among in-house architects, designers, estimators, and craftsmen to elevate the standards and excellence in the design and build architecture and construction industry.

LEFF has been recognized with various awards, such as the Regional Contractor of the Year Award from the National Association of the Remodeling Industry (NARI) in 2022 and the Chrysalis Awards for Remodeling Excellence in 2021. It holds accreditations from reputable organizations like NARI, GuildQuality, and Rebuilding Together, and its staff includes individuals with Certified Green Builder and American Institute of Architects (AIA) credentials. In addition to its design and construction expertise, LEFF is committed to making a positive environmental and community impact.

Holly Construction, Inc.

73 Saint James Dr, Santa Rosa, CA 95403

Established in 1984, Holly Construction, Inc. formerly Holly & Associates has been a cornerstone of construction services in Sonoma County and the North Bay. Specializing in a diverse range of projects, from commercial buildings to wineries, tenant improvements, and luxury homes, it brings unparalleled value and craftsmanship to each endeavor. With 35 years of industry experience, it has honed the resources and skills needed to complete projects on time and on budget.

Founder and Chairman Janver Holly initiated his journey in construction at the age of 17 and has carried that passion through a varied career, eventually incorporating Holly Construction in 1999 into Holly & Associates, Inc., General Building Contractors, and into Holly Construction, Inc. in 2022. His commitment extends beyond business to active involvement in Sonoma County’s youth and charitable organizations.

The company has received significant recognition, including being listed in the Big 50 by Remodeling Magazine in 2013. It also holds an accreditation from GuildQuality, an organization known for surveying builders and real estate developers for customer satisfaction. Over the years, it has been featured in industry publications such as North Bay Business Journal and Remodeling Magazine.

Harkey Construction

810 DenBeste Ct, #101, Windsor, CA 95492

Licensed in 1990, Harkey Construction has stood as a stalwart of the Sonoma County construction industry for over three decades. Operating with an unblemished Class B license, it has earned an unshakeable reputation for integrity, transparency, and exemplary customer service. Specializing in both residential and commercial sectors, it offers an array of services ranging from custom home building and remodels to commercial tenant improvements and new light commercial constructions.

President Jeff Harkey, with an impressive 41-year-long construction career, is a construction management graduate from Sonoma State University. Under his leadership, the company has received multiple accolades, including the 2022 Best of Sonoma County Award for Best General Contractor from the Press Democrat and consecutive Gold Medals from NorthBay biz magazine from 2014 to 2016.

Harkey Construction is accredited by the North Bay National Association of the Remodeling Industry (NARI) and North Coast Builders Exchange. It has been featured in prestigious publications such as Press Democrat and Northbay biz magazine, affirming its standing in the industry.

Tomrose Construction

1270 N Petaluma Blvd, Suite A, Petaluma, CA 94952

Established in 1984, Tomrose Construction has carved a niche for itself in the construction industry as a family-oriented enterprise. With a seasoned crew and office staff, it has fostered a work environment that prioritizes both safety and creativity. The company’s core mission revolves around serving its clients by delivering high-quality service at competitive prices. It gauges its success solely based on client satisfaction.

William “Bill” Tomrose, president and CEO, initiated his construction career right after high school. He quickly climbed the ranks in both residential and commercial sectors in Marin and San Francisco Counties. After earning his contractor’s license, Bill founded Tomrose Construction Inc. His comprehensive expertise in design and construction enables him to offer unique solutions to clients that set the company apart in the industry. Passionate about his work, he views his role as a life’s mission rather than just a job. Tomrose Construction stands out for its nearly four-decade-long history and an unwavering commitment to quality and client satisfaction.

Prestige Homes & Remodel

1524 Wadsworth Ct, Santa Rosa, CA 95403

With a solid foundation of 30 years in business, Prestige Homes & Remodel is a general contractor serving residential and commercial clients in Sonoma, Marin, and Napa counties. As master craftsmen, the company executes the majority of its projects in-house, thus minimizing the need for subcontractors. This hands-on approach ensures seamless control over each undertaking and fosters a close relationship with the clients.

President Ozzie Ozsvath, a veteran with three decades in construction and an alumnus of Foothill College, has steered the company toward becoming one of the most reputable general contractors in the North Bay Area. The company adheres to a simple yet profound philosophy: listening to its clients. This focus on understanding the client’s vision has enabled Prestige Homes & Remodel to translate dreams into tangible realities. The company’s strong track record and client testimonials speak volumes about its commitment to quality and customer satisfaction.

MastersTouch Construction

182 Farmer’s Ln, Suite 100B, Santa Rosa, CA 95405

With 16 years in the construction industry, MastersTouch Construction specializes in both commercial and residential projects in Sonoma County. The company stands as a collaborative venture led by Jared Cake and Eric Rose, both seasoned professionals with a collective experience of 75 years in the construction field. The firm delivers exceptional value from concept to completion by maintaining close, personalized interaction at each stage of the building process.

Principal Jared Cake, a graduate with a Bachelor of Business Administration from Azusa Pacific University, is the project manager. Alongside him, Eric Rose, who earned degrees in construction management from California State Polytechnic University-Pomona and business administration and management from Biola University, shares the role of principal. Together, they have successfully completed more than 100 commercial and residential projects, emphasizing the firm’s expertise and dedication to quality. The company has been featured in Period Homes Magazine, underlining its impact and abilities in the industry.

DRF Builders

3200 Dutton Ave, #216, Santa Rosa, CA 95407

Founded in 2009, DRF Builders is a full-spectrum construction firm serving the communities of Sonoma, Napa, and Marin Counties. The company specializes in new home construction, renovations, and remodeling and is dedicated to turning architectural visions into reality. Its hands-on approach ensures that each project is completed precisely and on schedule.

At the heart of DRF Builders is Dana R. Faustine, a construction veteran with 17 years of industry experience. His strong work ethic and commitment to custom work set the company apart. Before establishing DRF Builders, Dana honed his skills at a family-owned construction firm, further deepening his expertise in the field.

What distinguishes DRF Builders is its consistent reliability and exceptional craftsmanship. Its 14 years of successful operations stand as a testament to its quality. Whether constructing a new home or revitalizing an existing one, DRF Builders harmoniously blends each project into the neighborhood’s architectural fabric, enriching community aesthetics while meeting individual client needs.

Merciari Construction + Design

887 Sebastopol Rd, Santa Rosa, CA 95407

Founded in 2015, Merciari Construction + Design is a Northern California-based construction firm committed to enhancing living and working spaces throughout the Greater Bay Area. With a special focus on the North and West Bay communities, the company has carved a niche in custom-design construction for new builds and remodels.

Anthony Merciari, the principal behind the firm, brings a rich tapestry of experience, stretching from his early days in the Carpenters Union to sophisticated construction planning. With a decade of hands-on industry knowledge, Anthony has consistently delivered exceptional projects that exceed client expectations. His unique approach to construction focuses on personalized relationships, making each project a collaborative journey from concept to completion.

Merciari Construction + Design’s robust track record of eight years in operation showcases its commitment to quality and client satisfaction. Each project is a milestone, blending seamless design with functional utility while contributing positively to the local architectural landscape.


  • Jake Gustafson

    Jake has served as a brings a wealth of experience rooted in his passion for building. Holding a degree in Construction Engineering Management from Oregon State University, he actively engaged in industry-related activities, including membership in the Associated General Contractors of America student chapter and participation in the Associated Schools in Construction student competition. Previously, Jake served as a project engineer for a prominent general contractor in Portland, where he played a pivotal role in various aspects of construction projects, from pre-construction to subcontractor management. His expertise extends to working on innovative projects, such as North America's largest CLT commercial building. Expertise: Commercial Construction, Commercial Remodeling, Home Design and Build Key Highlights: Editor at HomeBuilderDigest, Project Engineer for Portland-based general contractor, Field Engineer for the largest CLT commercial building in North America Education: Oregon State University - Degree in Construction Engineering Management