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Top-Rated Addition and remodeling pros in Port Costa - Updated Nov 2026

Avatar for Zacarias Remodeling Construction
Zacarias Remodeling Construction
5.0(
33
)
Bathroom - RemodelKitchen - RemodelAddition to Existing Structure - Build+1 more

Serving Port Costa, CA and surrounding areas

Approved

In business since 2009

Free estimates

Customers say: True professional

"Zacarias remodeling has done a complete remodeling of our guest bathroom. They finished the work faster than the estimate. Within budget. The quality of their work was excellent!! Their whole team of crew members are all professional and skilled and very dedicated and very clean. They showed up on time and stayed late to complete every detail."
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
New kitchen, bedroom and bathroom
Remodeling - General Project

+50

18 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for S&L REMODELING AND DESIGN INC
S&L REMODELING AND DESIGN INC
4.9(
47
)
Bathroom - RemodelAddition to Existing Structure - BuildKitchen - Remodel+1 more

Serving Port Costa, CA and surrounding areas

Approved

In business since 2013

Free estimates

Offers commercial services

"After 4 different bids, we chose S&L Remodeling and Design. They said they would be able to complete the project within about 6 weeks at a resonance price. Daniel was the project manager and responded quickly to messages. Ricardo was the foreman and Luis did most of the work and was there there the majority of the time. Luis was great! The master bathroom looks great and would recommend S&L."
Moraga - Bathroom
Moraga - Bathroom
Moraga - Bathroom
Moraga - Bathroom
Moraga - Bathroom

+65

Response time1 day
Response rate100%
8 neighbors recently requested a quote
Avatar for MCA Remodeling Inc.
MCA Remodeling Inc.
4.9(
12
)
Bathroom - RemodelKitchen - Remodel

Serving Port Costa, CA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"From the beginning, MCA offered excellent help while shopping with us to select materials for each room.  
They allowed space to express our likes and dislikes, while offering experienced suggestions when we were in doubt. 
Prudently, MCA was sure to order and receive all materials before beginning work.
MCA seems quite discerning in selecting their crafts people and associates, like painters, granite finishers, and shower door 
builders.
We found their team of workers to be honest, friendly, highly-skilled, and hard-working.
We learned and respected -- as we had heard widely -- that construction and remodeling has inevitable timing delays and surprise technical puzzles to solve.
Also MCA had days when other jobs and needs delayed our progress.
So at our home, there were days when nothing happened, and balancing moments when one, two, or more craftsmen were on the job. 
Money-wise, the MCA cost estimate was 30% less than the highest competitor.
They were totally true to their financial contract, even when unexpected, added modifications were needed.
Were we to identify MCA's growing edge, it would be improved communication and more focus on continuity to begin and finish in a slightly more timely manner.
We know that is easier for us to ask than it is to fulfill in the challenging world of remodeling and staffing.
It really does take a village to coordinate and complete all of the various requirements -- material choices, teamwork, electrical, plumbing, tiling, and much more.
There are inconveniences, surprises, and a need for patience.
In the end was it all worth it, and would we highly recommend MCA?
We surely would, YES."
MCA
Response time9 hrs
Response rate100%
6 neighbors recently requested a quote
My Remodeling Group
5.0(
31
)
Addition to Existing Structure - Build

Serving Port Costa, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"My Remodeling Group did an exceptional job on my kitchen remodel. Their team was professional, detail-oriented, and easy to work with from start to finish. They guided me through design choices, provided quality material options, and kept the project on schedule. The craftsmanship is impressive, and my new kitchen looks fantastic. I highly recommend My Remodeling Group for any remodeling project."
Avatar for My Remodeling Group
My Remodeling Group
5.0(
36
)
Bathroom - RemodelKitchen - Remodel

Serving Port Costa, CA and surrounding areas

Approved

In business since 2023

Credit card accepted

"I had a great experience with My Remodeling Group during my kitchen remodel. From planning to completion, their communication was clear and consistent. They listened to my ideas, offered helpful design suggestions, and delivered high-quality craftsmanship. The kitchen now looks stylish, spacious, and much more functional. Everything was completed as promised, with great attention to detail. I highly recommend My Remodeling Group for professional and reliable remodeling services."
Kitchen remodeling
Kitchen remodeling
Kitchen remodeling
Kitchen remodeling
Bathroom remodeling

+30

Response time2 days
Response rate100%
Avatar for My Construction Group
My Construction Group
4.6(
281
)
Bathroom - RemodelKitchen - Remodel

Serving Port Costa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Warranties offered

"My Construction Group renovated our bathroom and kitchen. They gutted both rooms to the stud, flooring and ceiling included, helped with the new design and completed the full remodel. Abraham was very helpful with ideas and even sketching out certain features to demonstrate them. The projects were completed within the agreed upon timeline and budget and anything outside the budget was due to additional asks on our end. Abraham was very accommodating with the additional request. He coordinated the procurement of all materials outside the scope of the budget (cabinets, tiles, doors, etc) and pretty much took care of everything. He communicated often and clearly throughout both projects. Abraham and all workers were very professional and cleaned the project sites as well as other areas affected. They did an amazing job in both cases, our new bathroom and kitchen are beautiful, modern and stylish. I really cannot recommend them more strongly for any remodeling needs and I will be reaching out to them in the future for anything else we need in that area."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+110

Response time2 days
10 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Geico Builders
Geico Builders
5.0(
62
)
Bathroom - RemodelKitchen - RemodelBasement - Remodel

Serving Port Costa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Warranties offered

"Geico Builders did an amazing job on our bathroom remodel. From the first consultation to the final walkthrough, the team was prompt, professional, and easy to work with. They moved fast but still delivered excellent workmanship. The workers were polite and always cleaned up before heading out, which we really appreciated. Our bathroom looks beautiful now, and the whole project was completely stress-free thanks to them."
Composite Deck Replacement Trex
Full Backyard Remodel with Outdoor Kitchen
Remodeling - Kitchen & Bathroom Project
Deck Replacement Composit
Composite Deck

+270

Response time1 day
Response rate100%
12 neighbors recently requested a quote
Avatar for Cerletti & Kennedy Design-Build
Cerletti & Kennedy Design-Build
4.3(
109
)
Addition to Existing Structure - BuildKitchen - Remodel

Serving Port Costa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1987

Free estimates

Warranties offered

"We made the best decision when we hired Cerletti & Kennedy Design Build to do our bathroom remodel. They are professional, knowledgeable, efficient and reasonably priced. We had a downstairs half bath totally remodeled to a full bathroom with a walk-in curbless shower. I had in mind a certain look for this remodel and Cerletti & Kennedy Design Build listened to my ideas and we worked together to implement them. We love the fold down shower seat & under floor heating system. During this construction, they found pin holes leaks from the upstairs plumbing. We were happy they offered cost effective solution to fix that issue too. All crews were professional. Ruben, who was on the job the most, is exceptionally skilled and did a fantastic job on our new bathroom. We highly recommend."
in the beginning
 Finished!
Wish I had a good camera
 Eat in kitchen, new wood flooring, beam ceiling
 Chefs table

+45

Response time3 days
33 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Bayside Builders Group
Bayside Builders Group
4.8(
68
)
Kitchen - Remodel

Serving Port Costa, CA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"The Bayside Builders Group is one of the best companies I have ever worked with. They were so professional and helpful on my bathroom renovations. They worked on 3 baths in our house. My wife wants it remodeled and converted into a more fresher space. They were able to achieve just that. Great work!"
Deck Installation
9
12
Roofing and Gutter Instal
Castro Valley project

+154

Response time2 days
Response rate86%
Recommended by65%of homeowners
Avatar for Accurate Home Remodeling
Accurate Home Remodeling
5.0(
19
)
Kitchen - Remodel

Serving Port Costa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"We recently finished a total remodel of our home in Martinez, working with Accurate Home Remodeling. We went through the bidding/estimate process with a handful of local contractors and found AHR to be the most responsive and fairly priced. Miles at AHR was very responsive and uses an app on the phone that makes communication, documentation, photos easily accessible and in one location. Believe meâ ¦this was super helpful to be able to refer back to discussions, ideas, prices, materials, etc. as the project went along. Our project was on budget and on schedule, aside from the additional and change orders that we presented Miles with during construction. Overall I would recommend AHR if you in the market for any type of home remodel/renovation project."
Completed project
Completed project
Completed project
Completed project
Completed project

+50

Response time2 days
Response rate100%
2 neighbors recently requested a quote
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FAQs for addition and remodeling projects in Port Costa, CA

The proper sequence of a kitchen installation starts with laying the foundation and structural framework. From there, you need to establish utilities like plumbing, wiring, and gas lines, then install cabinetry and countertops, and finally finish with flooring, painting, tile backsplashes, and lighting. A professional kitchen installation contractor can coordinate each component of your project to minimize the timeline and maximize resources.

The Port Costa, CA homeowners’ guide to addition and remodeling services

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