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    Average homeowner rating
  • Verified reviews icon56
    Verified custom home building reviews

Top-Rated Custom home builders in Berkeley - Updated Nov 2026

Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Find a Custom Home Builder

Serving Berkeley, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"Our kitchen remodel with McCormick Home Builders went beyond our expectations. Leoni and her team took the time to understand exactly what we wanted. The open layout design changed the way we use the space, and it’s been perfect for family gatherings. They were prompt, courteous, and genuinely invested in making sure we were happy. Really impressed!"
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+1

Response time6 hrs
Recommended by17%of homeowners
Avatar for Cal Green Remodeling
Cal Green Remodeling
5.0(
17
)
Find a Custom Home Builder

Serving Berkeley, CA and surrounding areas

Approved (Corporate)

In business since 2015

Free estimates

Emergency services offered

"Cal Green Remodeling recently completed a commercial renovation for our business premises, and the results are astounding. Their expertise was clear from the start, with a comprehensive understanding of our needs and the ability to deliver industrial-grade finishes that can withstand high-traffic areas. The team was punctual, professional, and maintained a high level of cleanliness throughout the project. The level of customer service and the quality of their work is a rare find in today's market. We are excited to utilize their services for future projects. Thank You Shai for all you help."
Outdoor Gazebo Kitchen Morgan Hill California
Outdoor Gazebo Kitchen Morgan Hill California
Outdoor Gazebo Kitchen Morgan Hill California
Outdoor Gazebo Kitchen Morgan Hill California
Outdoor Gazebo Kitchen Morgan Hill California

+51

Response time1 day
Response rate100%
12 neighbors recently requested a quote
GR Innovative Builders
4.2(
5
)
Find a Custom Home Builder

Serving Berkeley, CA and surrounding areas

Approved

In business since 1990

Free estimates

Offers commercial services

"We had a fantastic experience working with GR Innovative Builders, Inc. on both our ADU construction and full home renovation. From start to finish, the team was professional, thoughtful, and incredibly easy to work with. A special shoutout to the foreman, Gustavo (“Gus”), who was there for us throughout the project. He was always responsive, patient with our many questions and requests, and—most importantly—he consistently followed through. That kind of reliability made a huge difference during a project of this size. GR is a family-run business, led by owner Gilbert Rodriguez, whose experience and expertise really show. He’s clearly a veteran in the construction industry and brought a level of knowledge and problem-solving that went beyond what we expected. In addition to working closely with our architect, Gilbert contributed creative ideas and practical solutions whenever we ran into challenges—whether it was navigating permits, resolving design issues, or adapting to tricky con"
Recommended by33%of homeowners
RSF Construction Inc.
1.0(
1
)
Find a Custom Home Builder

Serving Berkeley, 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 Wise Builders
Wise Builders
4.8(
99
)
Find a Custom Home Builder

Serving Berkeley, CA and surrounding areas

In business since 2014

Free estimates

"After moving back into our home (which had been a rental for 10+ years) we decided we had no choice but to remodel two leaky bathrooms down to the studs and also our 1/2 bath. We looked for experience, a good plan, the promise of communication, and a fair price. And some hand-holding, because we would be living at home during construction. Nathan from Wise Builders is amazing, if you are lucky enough to get him as your project manager. Wise has a unique way of working--there were no surprises, they finished when they said they would, and for the price quoted. We were very pleased when Nathan said that if we went with Wise, he would become our advocate and he would be our liaison with the crew. He really was--whenever there was a question, a text or call got a quick answer. We described what we wanted, and Nathan explained what they could do to make it happen, what was possible vs what would cost more than we wanted to spend. We loved the concept of going to showrooms to pick out absolutely everything from the tile to the shower drain. Nathan helped us place the orders, checked on delivery dates and crew progress at every step, kept us in the loop, and made sure we were always satisfied. The crew is considerate and pleasant, they cleaned up afterwards each day, and most of all, they do beautiful work. Our three new bathrooms are just what we wanted! We're pretty pleased that we found Wise Builders."
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+498

Recommended by93%of homeowners
Avatar for Landmark Energy Upgrades
Landmark Energy Upgrades
4.8(
59
)
Find a Custom Home Builder

Serving Berkeley, CA and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"I interviewed six solar companies and got bids from three. Charlie of Landmark construction & energy crew stood out much more above the other companies that I spoke and met with. He is responsive, always returned my calls quickly and he does what he says he is going to do. Charlie came over to my house and met with me before installation, during the installation and after. In addition he worked with his crew at the beginning of installation to make sure everything was perfect with a tricky area of my roofline. Above all of what I wrote above, Charlie and the office staff are very organized people. Charlie was able to provide me with a lot of information about rebates, taxes etc… and Every bit of information I could want related to monitoring my system, working with Landmark construction & energy crew, maximizing the cost benefits, and getting my tax rebate, are all gathered and clearly labelled in a binder. Charlie knew how to explain everything about solar and I could see during our meetings how much patient he have. Charlie didn't have to push anything in order to sell his work to me because his product was the one I wanted, it made sense, and the price was better than others. I can't think of a contractor and I've worked with quite a few once in the past and for this project, I met with several ones as well and Landmark construction & energy crew is more reliable, efficient, and customer-oriented. Thank you, Charlie!"
Cool Roof Install
Energy Upgrade
HVAC Air Duct
Home Energy Audit
Energy Upgrade Contractors

+6

Recommended by98%of homeowners
Avatar for HomeTech Construction & Design, Inc.
HomeTech Construction & Design, Inc.
4.8(
30
)
Find a Custom Home Builder

Serving Berkeley, CA and surrounding areas

In business since 2001

Free estimates

Credit card accepted

"We were looking for a contractor to completely remodel our one bedroom condo in San Francisco. We met with few different companies but after meeting with Moses from HomeTech Construction & Design, he gave us great suggestions that showed us his experiences. He was also very clear with the cost and what his included and what is not. They were able to work with our budget as it was very important also they provided 100% financing for no additional cost. They helped us pull all the necessary permits as well as made sure everything is done by legal expectations. Project was finishes at least two weeks earlier then predicted and the apartment rented even before all work was done. We and new tenants were really pleased with the finishes, design and quality of work. We especially really like the bathroom finishes. It was very easy communicate with the designer, office, contractor, and of course Moses, the project manager. Also the communication between the team was very well coordinated. We would definitely recommend HomeTech to everyone looking to remodel their home."
Kitchen Remodel
Kitchen Remodel
Kitchen Remodel
Kitchen Remodel
Bathroom

+70

Response time1 day
Recommended by100%of homeowners
A2Z Remodeling Inc
5.0(
29
)
Find a Custom Home Builder

Serving Berkeley, CA and surrounding areas

"My husband and I recently had the pleasure of working with Dror Postiner from A2Z Remodeling for a major home renovation project in our North Oakland home. We were looking to add a master suite, master bathroom, and walk-in closet to a 2 bedroom, 1 bath Spanish-style bungalow, as well as convert a 2-car garage into an additional dwelling unit with a kitchenette and bathroom. Dror and his team did an absolutely fantastic job and we couldn't be happier with the results. From the very beginning, Dror was professional, communicative, and attentive to our needs. He took the time to really understand what we wanted out of the project and worked with us to develop a plan that would meet our needs and stay within our budget. Throughout the project, he kept us informed of progress and any changes that needed to be made, and was always available to answer questions or address any concerns we had. The quality of the work done by Dror and his team was exceptional. They paid close attention to detail and made sure that everything was done to our satisfaction. The finished product is absolutely beautiful and has exceeded our expectations in every way. Overall, we couldn't be happier with our experience working with Dror Postiner and A2Z Remodeling. If you're looking for a professional, reliable, and talented contractor for your home renovation project, we highly recommend Dror and his team."
Bathroom
Bathroom
Bathroom
Bathroom
Bathroom

+55

Recommended by100%of homeowners
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Custom Home Builders FAQs, answered by experts

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.

Typically, architects do not build homes in a hands-on sense of doing the actual framing, roofing, or other building. Architects usually do not have the training and experience to build the homes they design. An architect would need to know how to do the specific trades required to build a house, which is possible but not a common practice. A general contractor or homebuilder typically oversees the actual details of building the house that the architect designs.

Modular homes are a type of prefab home. Specifically, manufacturers first build modular homes in sections and then deliver them to the job site. The modules, or sections, are usually at least 70% finished before they arrive on your property.

In comparison, prefab homes arrive in panels or segments, and workers assemble them on-site. Generally speaking, modular homes tend to be more durable, and their consistent construction standards may mean you’ll have an easier time getting conventional home loans.

Yes, you can finance cottage construction through several options. Construction loans provide funds in stages as work progresses, while home equity loans or lines of credit are available if you have existing property. Some lenders offer a combined construction and permanent mortgage. Always review loan terms and payment milestones before committing.

One of the best ways to negotiate with a homebuilder is to forgo price reductions. Instead, negotiate over upgrades and incentives, as many builders are more willing to go down that road than to decrease their own fee. Even if they were willing to take a cut, a reputable homebuilder often knows their worth, so a willingness to negotiate could be a red flag. Beyond that, builders are typically willing to negotiate closing costs instead of offering a discount on the base price.

The Berkeley, CA homeowners’ guide to custom home building

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