Mill Valley is located in Marin County, bordered on the western and northern shores of Richardson Bay and the eastern slopes of Mount Tamalpais. Its architectural landscape is reminiscent of charming European villages and is surrounded by various national parks, including Muir Woods, numerous hills, and canyons. Residents here often enjoy outdoor activities, such as hiking and mountain biking.

The area also offers multiple boutique shops and restaurants. This list presents ten of the best general contractors in Mill Valley. They are experts in the area’s famous and timeless architectural vernaculars and were chosen based on their experiences and accolades. In addition, several of these companies are the minds behind some of Mill Valley’s most thoughtfully designed and revamped home remodels and spaces. 

Kasten Builders

3419 Regatta Blvd., Richmond, CA 94804

Kasten Builders extends its services throughout the Bay Area. Its business is rooted in effective communication, quality control, and teamwork. It offers a complete range of custom home building and remodeling services and is experienced in every aspect and stage of the entire process. Kasten’s team assists its clients from start to finish and has the skills, materials, and methods necessary to execute any project regardless of complexity. Denny Kasten leads the firm and serves as its president. He holds a degree in architecture from Lawrence Institute of Technology in Southfield, Michigan, and first gained experience working with general contractors during his time as a student. Under his leadership, the firm has grown to become one of the area’s most recognizable firms that have worked in some of the best neighborhoods in Marin, Sonoma, Napa counties, and the rest of the San Francisco Bay Area.


The home remodel featured here best embodies the firm’s expertise. It was completed in Mill Valley and entailed an extensive home renovation and addition. It was completed in collaboration with Patrick Le Pelch Architecture and was finished in 2012. For this home, the firm’s team primarily opted for a transitional theme. 

Jungsten Construction

495 Miller Ave., Mill Valley, CA 94941

Established in 1987, Jungsten Construction is a full-service general contractor that commits itself to the highest standards. It uses the latest industry techniques and since its founding, has curated a stellar portfolio for itself filled with contemporary and traditionally inspired themes. At the firm’s helm is its namesake Jeff Jungsten, an experienced professional who oversees every facet of the company’s projects. He draws inspiration from more than four decades of experience and is an Advanced Certified Green Building Professional, ensuring the sustainability and high efficiency of its work. Under his leadership, the firm has had the honor of winning several industry awards, some of which come from the prestigious International Interior Design Association. Its work has also been featured in various publications such as Marin Home magazine, Better Homes and Gardens, and Coastal Living. 


The project above best embodies the company’s skill towards contemporary and modern themes. For this home, it opted for minimalist touches and an open floor plan. It also installed large windows and entryways to allow in a rich amount of ambient lights. 

Kerr Construction, Inc.

15 Woodland Ave. Suite F, San Rafael, CA 94901

Established in 1983, Kerr Construction specializes in both residential custom home construction and remodeling. It is noted for its great and competitive pricing and highly hands-on processes. Kerr takes on projects regardless of size or scale and has secured a solid reputation for its expert designs and impressive craftsmanship. It has been the proud recipient of a multitude of awards and has also been featured extensively in numerous publications. Some of these noteworthy accomplishments include features in American Bungalow, Architectural Record, Better Homes & Gardens, San Francisco magazine, and the San Francisco Chronicle.


In the project shown, the firm showcases its expertise for modern architecture. For this home, its team opted for a recurring theme of straight lines coupled with clean finishes, as well as wood-paneled elements. The firm also incorporated several unique fixtures and lighting. 

Buildergirl Design and Construction

P.O. Box 878 Mill Valley, CA 94942

Buildergirl Design and Construction extends its services throughout the Bay Area and Marin County and specializes in high-quality residential renovations and new home design and construction. It is a proud woman-led firm with Tina Marie Humphrey, overseeing all of the firm’s work. She has been a designer since 1983, a licensed general contractor since 1989, and is a California native. Under her vision and leadership, the company takes on three to four projects each year to ensure that all of its homes and spaces her full attention. Her team can handle everything, from planning and designing, including the permit processing, to finishing touches


For this kitchen remodel, she worked on the design and renovation of a completely outdated kitchen, from floor to ceiling and beyond. These are coupled with custom cabinetry, flooring and lighting.

Singlepoint Design Build

200 Gate 5 Rd. Suite #109, Sausalito, CA 94965

Operating out of its office in Sausalito, Singlepoint has been in business since 2010. It is regarded as one of Marin County’s premier builders and specializes in full home remodels and ground-up construction work. It is manned by a talented team of professionals, who each have experience in every phase of the design and construction process. It has also secured relationships with some of the area’s best subcontractors who are known for their great plumbing, electrical, HVAC, and roofing services. The company’s founder, Brant Hill, holds a degree in construction management from Cal Poly San Luis Obispo. He first gained experience working for a large commercial general contractor as a project manager before establishing the firm. His rich experience reflects itself in the firm’s work. In addition, the company also maintains affiliations with important organizations like the Marin Builders Association.


Singlepoint is particularly noted for its outstanding modern projects and transitional spaces. The project illustrated here was completed in Mill Valley back in 2017 and is a stellar infusion of traditional and modern elements. It features various custom finishes, seamless spaces, and the use of excellent materials. 

Salamandra Associates

39 Aquinas Dr., San Rafael, CA 94901

Salamandra Associates is located in San Rafael and has been providing clients with a complete and comprehensive range of services since 1988. Starting as a commercial firm, working with United Airlines, Cambridge Sound Works, and other East Bay companies, the firm has become more oriented to residential projects. Clients will find a friendly and helpful team that will assist them throughout the planning and construction process. Services include site assessments, scheduling, and help with permits. Salamandra Associates maintains affiliations with organizations like Build It Green and the Marin Builders Association, allowing it to stay up to date with the latest techniques.


This 5,000-square-foot Richardson Bay remodel/addition included significant structural repair and alteration. Waterfront living with IPE decks surrounding the south and west side of the home gives a feeling of both grandeur and comfort. A grand entrance lit with clear story windows and pendant lights draw you into a sumptuously appointed living room. Finely crafted woodwork and cherry hardwood showcase views of the city, bridge, and bay. Commuting to the city is a cinch from the rebuilt boat dock and berth.

G Family Construction

615 B St. Unit 1B, San Rafael, CA 94901

G Family Construction is a family-owned and operated business that has been in business since 2001. It uses a design-build approach and is regarded for its excellent landscaping, remodels, and development work. It also takes on electric work, which allows it to keep the entire process in-house. The company maintains associations with organizations like the Marin Builders Association, which enables it to stay up-to-date with the latest industry techniques and processes. The firm’s team works alongside its clients throughout the entire process, from inception to completion. This allows each team member to better understand the client’s lifestyles and needs—and address them throughout the project.


This featured project best embodies the firm’s work. It is one of its best home remodels completed in Mill Valley. It entailed the renovation of its  kitchen, master bath and bedroom, guest bathroom, two kids bathrooms, and other bedrooms. It also had to refinish the entire home with all-new hardwood floors. For this bathroom, in particular, the firm opted for a separate walk-in shower encased in glass. It also installed large tile backsplashes and clean minimalist finishes. 

Floyd Construction Inc.

714 C St. Suite #207, San Rafael, CA 94901

Floyd Construction has been servicing the entirety of Marin and other surrounding areas since 1978. It was founded by Joe Floyd in Santa Barbara before relocating to Marin County. Since then, it has evolved from a regular-sized firm specializing in select services into the firm it is today, taking on projects regardless of size and working on high-end luxury custom homes. Aside from its residential work, it has also taken on several commercial and landscaping projects. Its team is highly experienced and composed of only some of the best professionals in the greater Bay area. Joe Floyd still leads the firm today. Before establishing the firm, he gained experience working with a well-known engineering firm. This provided him with a great number of skills that reflect in the company’s work today. 


Located in Larkspur, the project shown challenged the firm with its extensive interior remodel. It was a vintage 90s single-level Ranch style home that now showcases various modern elements. The firm’s team opted for vaulted interior ceilings, reclaimed beams, and various other custom finishes. 

Fontana Construction Inc

1945 E Francisco Blvd. Suite N, San Rafael, CA 94901

Fontana Construction specializes in luxury homes and offers a complete range of custom home development, remodeling, renovations, and general construction services. Operating out of its office in San Rafael, the firm provides its clients with more than three decades of industry experience and has worked on numerous homes ·from the Peninsula to Sonoma County. The firm is the brainchild of Michael and Bonnie Fontana, who founded the firm in 1986 as a small, home-based business in West Marin. Fontana has since grown to become one of the most recognizable firms in the area and is most notable for its expertise in an extensive range of luxurious and excellent designs.  


The project here was completed in San Francisco and depicts its expertise for historical restorations and renovations. It has worked on this home numerous times in the past 25 years, together with its four different owners through the decades. As seen in the photo, this project challenged the firm’s team with various mouldings and custom touches. 

Pacific Ridge Construction

1010 Sir Francis Drake Blvd. Suite #104, Kentfield, CA 94904

Headquartered in Kentfield, Pacific Ridge Construction is known throughout Marin and Sonoma Counties as a high-end contracting firm. It offers a complete and comprehensive range of services, as well as numerous great architectural themes. Marin County native Jake Glavis started the company and is an experienced professional and a green building advocate. He  has led the company to be put at the forefront of the green construction and remodeling market of the area. He first got a glimpse into the industry at an early age and has an affinity for masonry and high-end woodwork. This, of course, is reflected in the company’s projects and has helped in garnering an excellent reputation for Pacific Ridge. 


For this home, it opted for an open floor plan coupled with various contemporary finishes. It also installed several unique fixtures and lighting.