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TRUSTED BY CLAYTON, CA HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon43
    Verified home building services reviews

Top-Rated Home builders in Clayton - Updated Nov 2026

Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Find a Custom Home BuilderFind a Modular Home BuilderShelter or Outbuilding - Build

Serving Clayton, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We found McCormick home builders through Angie’s list. They were not one of our original contacts, but they contacted us and came out to give us a quote. Matteo was extremely helpful, informative, honest, and gave us reasonable realistic prices, and did not try to inflate the prices or pressure us in anyway. We felt very comfortable with him immediately. We felt like he was a member of the family that we could just talk to and ask questions he was very personable. He gave us his contact number in case we had other questions and he was always available when we needed him for any type of questions or concerns. Mateo‘s team did a beautiful job. They were fast. They were efficient. They cleaned up beautifully. They did a wonderful job. They were very considerate of our time our needs and our neighbors. They were an absolute pleasure to work with. I would highly recommend Matteo from McCormick home builders for any home building projects, and we will be calling him again in the future!"
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+1

Response time6 hrs
Recommended by17%of homeowners
RSF Construction Inc.
1.0(
1
)
Find a Custom Home BuilderFind a Modular Home BuilderShelter or Outbuilding - Build

Serving Clayton, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Avatar for Landmark Energy Upgrades
Landmark Energy Upgrades
4.8(
59
)
Find a Custom Home BuilderFind a Modular Home Builder

Serving Clayton, CA and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"I hired Landmark construction & energy crew for a 650 sq/ft. of living room addition. Before we hired them, we already had all the necessary plans on hand including all the secured building permits with the city. When it comes to workmanship and speed, I must admit that landmark construction was very fast while investing extra attention to perfection. All the teams of workers worked fast even when it came to fixes and adjustments. They replaced the wood floor with new engineered wood flooring, repainted the entire ceiling and one living room wall and blended new stucco on the exterior wall. The new addition required new foundation, framing, and window installation. We are thoroughly content with all the work that was completed by landmark construction & energy crew. 1) they made sure to cover everything all around the working area in order to prevent damages and extra work due to paint spots and dust from all the sanding. 2) They came to work on a daily basis and few times they skipped work BUT they made sure to confirm that 2 days ahead. This was very responsible from them to do. 3) Charlie the Project Manager was available and reached all the time. When he couldn’t talk or answered, he called within the hour. In regards to pricing… the price that we got from Landmark construction & energy crew was in the middle range. Charlie came over to the house several times to discuss about the details and the process of the project, and after that he start working on the estimate."
Cool Roof Install
Energy Upgrade
HVAC Air Duct
Home Energy Audit
Energy Upgrade Contractors

+6

Recommended by98%of homeowners
Cobar Builders Inc.
5.0(
12
)
Find a Custom Home BuilderFind a Modular Home BuilderShelter or Outbuilding - Build

Serving Clayton, CA and surrounding areas

In business since 2020

Free estimates

Credit card accepted

"I had to have my entire bathroom torn out and replaced with new walls, new enclosure, tub and flooring. I am very happy with the job that Cobar Builders did in my home. They were all very friendly and updated me on their progress and asked me how I liked certain things done...honestly this is the first time I have ever hired a contractor to do work in my home and at first I was very nervous, but all my fears and worries have been allayed by Elvin, the owner, and his crew. Elvin and his team were always up front with me about any additional costs and was very responsive to my calls and texts. I definitely recommend them highly."
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+20

Recommended by100%of homeowners
IY Development & Renovation
4.9(
143
)
Shelter or Outbuilding - Build

Serving Clayton, CA and surrounding areas

In business since 2022

Free estimates

Credit card accepted

"If you re looking for a top-notch kitchen remodeling experience, look no further than IY Development and Renovation .INC. Their team in Lafayette, California, is a dream to work with. They listened to our needs, offered innovative solutions, and executed flawlessly. Our new kitchen is now the heart of our home!"
Recommended by50%of homeowners
OC Builders Group, Inc.
4.8(
25
)
Find a Custom Home Builder

Serving Clayton, CA and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"Very affordable remodeling company that offers the highest quality work! I have never worked with another company like OC Builders Group they are very professional, well experienced, and price friendly. They remodeled my entire home and I really can't describe how amazing the results are! My home is a brand new one, they changed layouts, broke down walls, added walls, brand new flooring, cabinets, doors, light fixtures, they did it all and did it right! I love my new home!!"
Response time2 days
Recommended by100%of homeowners
Avatar for Babylon Builders - Home & Landscape Contractor
Babylon Builders - Home & Landscape Contractor
4.2(
421
)
Find a Custom Home BuilderFind a Modular Home Builder

Serving Clayton, CA and surrounding areas

In business since 1985

Free estimates

"I cannot overstate how happy I am with Ron and his great team from Babylon Builders. I had a dream to have a greenhouse built with a hot tub inside. I was looking for an oasis and a natural garden under one roof. I searched and interviewed many contractors and I at one point thought this idea could not materialize as there were discussions from other contractors who did not seem to get the feel and flow or vision of what I was trying to capture. In addition to the build, the placement of the greenhouse had to be attached to my balcony. I came across Babylon Builders and after having a conversation with Ron I got excited thinking this could really happen. Ron came to the house within a few days and brought Juan and the crew so we could all go over exactly what we were hoping for. We hired their team instantly. They were very efficient, creative, and neat in their cleanup every day which was so important to me. Juan thinks outside the box and is a great problem solver in addition to being very talented in his ideas. Every day we would go outside several times a day to watch the magic happen. Juan and Ron fielded many questions and were always ready to answer our numerous questions. Ron and Juan are great people and take pride in their work. Their price was great too. In the end, the results were better than we imagined! I highly recommend Babylon Builders to anyone who wants great craftsmanship and a job you will be proud of."
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+27

Recommended by86%of homeowners
Avatar for S&C Construction
S&C Construction
4.6(
19
)
Find a Custom Home BuilderFind a Modular Home Builder

Serving Clayton, CA and surrounding areas

In business since 2018

Free estimates

Credit card accepted

S&C Construction is a licensed general contractor based out of Lafayette California and serving the greater Bay Area. We specialize in Bathroom Remodels, Kitchen Remodels, New Construction, Additions, Painting, Flooring, and Siding. With over 14 years of experience, we strive to make your remodeling and home improvement process as stress-free and smooth as possible.\n\nWe use a client portal to ensure communication is never missed and all your questions are answered promptly and to share all renderings, plans, and even photo and video updates of your project that you can access from your computer or phone. \n\nWe use state of the art HEPA dust filtration to keep dust out of the living area. This also filters any viruses from the air to help keep your family safe during your project.\n\nWe also offer OZONE sterilization to kill any viruses to add additional protection to you and your loved ones.

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+48

Recommended by33%of homeowners
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Home Building FAQs, answered by experts

How long it takes to build a custom home or rebuild a home after a disaster varies depending on many factors, but averages between seven and 14 months. Smaller homes or homes that don’t need a re-poured foundation may take less time to build than larger homes or homes without an existing foundation. Material availability, contractor schedules, and permit and inspection timelines can all affect how long your house takes to build.

Modular homes are more affordable than stick-built homes if you keep quality and square footage equal. The cost to build a home averages $323,000, while average modular home prices sit at {AvgCost}. If you’re looking for custom or luxury options, a traditional custom home costs $825,000, while a high-end modular home costs $600,000, on average.

Yes, modular homes offer a wide range of customization options for layout, finishes, and features.

Building a new home can be more expensive than buying an existing one, depending on the housing market in your area. Many homeowners still find that building a new house is worth the investment as they can choose the exact layout they want, as well as to choose their own floors, wall coverings, appliances, and finishes. If you live close enough to the build site, you can also stop by to check on the builder’s progress, which can provide some peace of mind that the project is worth it.

Modular homes can go up or down in value depending on a few factors. In areas where real estate is appreciating, the value of modular homes is likely to increase, and vice versa. Additionally, the value of modular homes depends partially on the area. In cities where every other home is stick-built, modular homes might be considered a functional obsolescence, in which case they could be less desirable and go down in value. In either case, though, modular homes can still be a good investment, especially since they provide housing at a lower upfront cost.

The Clayton, CA homeowners’ guide to home building services

From average costs to expert advice, get all the answers you need to get your job done.