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Top-Rated Contractors in Cotati - Updated Nov 2026

Avatar for SF Design Solutions, Inc.
SF Design Solutions, Inc.
4.9(
49
)
Major Home Repairs (General Contractor)

Serving Cotati, CA and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

Welcome to SF Design Solutions, Inc.! We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. \n

Bathroom
Finished ADU Kitchen
Kitchen and Hallway
Bright ADU Kitchen
Window and Stucco

+78

1 neighbors recently requested a quote
Recommended by3%of homeowners
D S Builders
4.9(
9
)
Major Home Repairs (General Contractor)

Serving Cotati, CA and surrounding areas

Approved

In business since 2003

Free estimates

Customers say: True professional

"I had 2 bathrooms with water damage which needed remodeling. Michael, the owner of D S Builders, was very easy to work with. From the start, he was helpful in directing me to the places I would need to obtain the necessary supplies, i.e. tile, fixtures, lights, toilets, bathtub, ect. His paperwork was organized and specific to the time the work would take, when payments were due and the order the work would be done. He is prompt, polite and very detail oriented and he managed his sub-contractors without issue. The job site was always cleaned up at the end of everyday. He was always ready to discuss the progress, problems or alternate ways to complete the work. He is a very good communicator; and he made sure we were always on the same page. Furthermore, the quality of the work performed was outstanding! I could not have wished for a more perfect outcome! I love both my new bathrooms, and I would hire this company again in a minuet to compete any other projects."
Response time4 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for RUBEN OLIVO BUILDER
RUBEN OLIVO BUILDER
5.0(
6
)
Major Home Repairs (General Contractor)

Serving Cotati, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"We could not be happier with the remodel of our dated, dysfunctional, tiny kitchen. Ruben was very professional, friendly and a real problem solver. He continually went above and beyond and we simply cannot say enough about what a great contractor he is. We had an unforeseen deadline and he and his staff worked very hard to make sure the job was finished. Their work was meticulous and the final result outstanding. Thank you Ruben and staff!"
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+20

Response rate100%
1 neighbors recently requested a quote
Recommended by100%of homeowners
TAF BUILDING & DESIGN INC
5.0(
4
)
Major Home Repairs (General Contractor)

Serving Cotati, CA and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"The best - professional, first rate beginning to completion. Excellent design and technical expertise as well as conscientious, courteous personal interactions. Prompt, positive response to questions and ability to handle all aspects of the work. Our new kitchen is everything we had hoped it would be! Barbara B."
Response time10 mins
Response rate100%
5 neighbors recently requested a quote
Avatar for Bay Builders, Inc.
Bay Builders, Inc.
5.0(
5
)
Major Home Repairs (General Contractor)

Serving Cotati, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Warranties offered

"Each project was well designed using quality materials. The workers were efficient, courteous, and did quality work. All of the work has received positive comments from friends and family upon completion. I would hire Bay Builders again without hesitation. Ilene Campas"
Response rate100%
9 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Bielefield Construction, Inc.
Bielefield Construction, Inc.
4.9(
8
)
Major Home Repairs (General Contractor)

Serving Cotati, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"It can be really difficult to find the right contractor, one who is honest, shows up on time and does quality work at realistic prices. I found them in Bielefield Construction! This company has a great crew with many talents. Ray built us a dream deck that will last at least two life times. Thank you Bielefield Construction and crew."
Finished Fireplace Facade
Kitchen After
Kitchen After
ADA Shower Area
Before fireplace facade

+54

Response time1 day
Recommended by100%of homeowners
Avatar for Corona's Construction, Inc.
Corona's Construction, Inc.
5.0(
4
)
Major Home Repairs (General Contractor)

Serving Cotati, CA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Francisco and his crew completely remodeled 2 bathrooms and the kitchen at our Bodega Bay home. They also did great room carpentry and new flooring and carpet throughout. They were so talented, punctual, organized and a delight to work with. We built a custom home 30 years ago and have done several remodels but this was by far the most pleasant experience! I cannot recommend them more!"
Response time9 hrs
1 neighbors recently requested a quote
Recommended by100%of homeowners
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Unfinished Carpentry FAQs, answered by experts

Your local building code will list all the framing requirements for whatever type of structure you're building. Most exterior walls require spacing of 16 inches on-center, while many non-load-bearing interior walls only require 24 inches of spacing. However, there are also varying requirements depending on your construction material, so checking your municipality's rules is essential.

For a professional carpenter, installing a window seat can take anywhere from a few hours to a few days, depending on some aspects of the project. Aside from building the seat itself, if they have to remove any cabinets, shelves, or baseboards, that will add time to the project.

Yes, you can find ceiling joists using simple tools if a stud finder isn't available.

Using a hammer requires patience and a keen ear. Gently tap the ceiling in a grid pattern, listening for sound changes. A hollow sound indicates space between joists, while a solid, dull thud suggests a joist. Mark the location with a pencil and confirm by tapping from different angles.

Alternatively, you can use a nail, but this method will leave small holes. You'll feel increased resistance when the nail hits a joist. Mark the spot and repeat the process every 16 or 24 inches to map the joist locations. This method is considered less reliable than using a stud finder.

While it is possible to build a wooden carport yourself, especially if you are skilled in carpentry, professional construction is recommended. Professionals ensure structural integrity, proper anchoring, correct alignment, and the use of quality materials for a stable and durable result.

Framing with metal studs can be significantly faster than using wooden studs, provided you have some experience working with the material. While you can use virtually instant pneumatic nailers with wood, metal requires installing screws. However, because metal is lighter, straighter, usually comes cut-to-length, and doesn't require sorting for the best pieces, you can save significant time using metal instead of wood.

The Cotati, CA homeowners’ guide to contractor services

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