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    SJ Design + Build

    5.0 (7 reviews)
    Closed 9:00 am - 5:30 pm

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    RC Sausedo - The beautiful finished product.

    RC Sausedo

    (7 reviews)

    In our search to find a contractor to do a master bedroom/bathroom remodel we were delighted to…read moremeet Rob Sausedo Rob and his crew did an amazing job. Our job consisted of wallpaper removal , texture and paint walls, tub to walk in shower conversion -vanity mirror and toilet removals and replaced with new. My wish was to have it all completed my Xmas and their pensive workmanship got it done. Highly recommend RC Sausedo

    Rob and his crew are the best of the best. We added two bedrooms and one bath to our home (just…read moreunder 500 square feet), and we couldn't be happier that we chose Rob to do the job. Communication was excellent throughout the project. He finished the project before his estimated time, he took care of EVERYTHING we asked, and really went above and beyond on many things. He uses the best material and makes you feeling great about your project. They explained everything they were doing, and did everything they could to limit the noise and dust. Not a day went by when we felt like we were unsure of what was happening, and we always knew we could count on them to be there on time. Not once did we ask ourselves "I wonder if they are showing up today?", which is the case with a lot of contractors. They were always on time, friendly, courteous, and we really got to know and like Rob and his team. After our project was complete, we hired him again for a wall removal project (a wall was dividing our living room & family room) and a project to move a sliding glass door to another wall, and add a window. Once again, nothing but the best. His crew took extra time to make sure everything was 100% safe and supported before they removed the wall, and when they finished, you could never even tell the room was once split in two. Our house has completely changed, and we have him to thank for the fantastic job. We would recommend Rob for any job, and will hire him again in the future. If you choose to hire Rob, we guaranty you will not be disappointed and he will do the job better than anybody. Please view all the photos we posted, including the one showing the finished product.

    Mazzamuto Construction - Customer selections in our private showroom

    Mazzamuto Construction

    (7 reviews)

    Gino and the Mazzamuto team did a kitchen remodel for us in our downtown Martinez historic home…read more They helped us with the design so we didn't need a designer, performed high quality work, made suggestions along the way, and most importantly to us, COMMUNICATED all along the way - good news and bad news. We are so happy in our new kitchen and don't know how we limped along before. Mazzamuto will not be your least expensive option but they will be worth it.

    I've lived in my home for 30 years, and my kitchen was long overdue for a remodel. I'd started…read moreremoving parts of it myself, but I hesitated to pull the financial trigger. Yes, I know it increases the value of your home, but I just retired (well, sort of). So, the thought of the expense was daunting. Then my niece, Jyl Jenkins, designed the kitchen of my dreams, and it was time to take the leap. Gino provided me with an estimate, and Mike Spinelli supported me every step of the way, even before construction began. As a single mom with adult children, all the financial responsibility falls on me, so making decisions--especially when it comes to things like tile, floors, and cabinets--was tough. The samples were small, and the cost had multiple zeros, making it even more overwhelming. One of my daughters, who is a high-functioning autistic adult, lives with me. The reason I mention this is because everyone who worked on the project treated her with the respect and consideration she deserves. We genuinely loved having them here. In fact, we enjoyed pranking them a bit, which helped me manage the chaos of demolition, the financial anxiety, and the constant question of, "Am I making the right choices?" I can't say enough good things about everyone involved with this company. Mike Cush worked on the framing and trim, and it was clear he put in the same effort he would have at his own home. Jim Mazzumoto was here daily, and here's a funny thing: I had him give me a quote 30 years ago. It might have taken me this long to come back, but I'm so glad I did. Every person who worked on this project--Victor, Cody, Sebastian, Luna, and all the others who were here when Mena was in charge--was fantastic. I truly appreciate all of you. We love you guys!

    Adval Construction

    Adval Construction

    (60 reviews)

    I am *really* fussy about hiring contractors. So many of them conduct their business sloppily and…read moreunprofessionally I can't believe they stay in business at all. So I do my research and am VERY selective in who I hire when our house needs work. My wife and I hired Andy Fernandes and Adval and they proved to be the real deal. Andy was *always* prompt - every time he or anyone from his company was scheduled to arrive they arrived early. Andy and his crew were communicative, clearly very knowledgeable, and straightforward, which is to say that they told me *and showed me* what was really happening and not what they wanted to promise or what they thought we wanted to hear. And they followed through exactly as they said they would. The quality of their work was outstanding. We had a few kitchen cabinets that had gotten damaged by the 2014 Napa quake and were looking like they were going to fall off the wall. Andy sent over a master carpenter (he spent years building stuff for moneyed people on Martha's Vineyard, who can be quite demanding) who didn't "upsell" us by telling us one of the cabinets needed to be rebuilt (the build cabinet in their own shop), he showed us in detail exactly what the problem was and convinced skeptical me that a new cabinet built from real plywood instead of the particle board of the cabinets the flipper who sold us the house had installed was the way to go. They reused the facing from the old cabinets, so the match was immaculate. Price-wise, yeah, they weren't the cheapest I could have found, but they were most definitely not close to the high end, they were right in the ballpark, and I figure if I demand quality I have to be wiling to pay for it. And we most decidedly got what we paid for. I repeat again that I am VERY picky about contractors, but I unhesitatingly give Adval Construction my highest recommendation. Our job was pretty small, but I would hire them for a big job in a heartbeat. This is the way construction contracting is supposed to work.

    We hired Adval construction to repaint our kitchen, bathroom, and hallway linen cabinets. Our old…read morecabinets were dark and gloomy, and we wanted a refreshed look. While we are overall happy with the final product, there were some pros and cons along the way Pros: - Hiring Adval was a pretty seamless process. We requested a quote and within a week, Camila the consultant/designer came for an inspection of our area, measurement, and go over samples for a free quote - Since my husband and I didn't want to be around paint fumes, it took us a few months to schedule the project in tandem with a trip out of town. Adval respected that and didn't push; they simply had us let Debbie know when we were ready - While we were out of town, the painters Ana and Jeff were very respectful of our place. We had cameras setup for security, and they always cleaned up after themselves, turned off our lights, and ensured our doors were locked each day they were on site. They even helped bring in our trash bins after trash day! Cons: - Adval wasn't the most affordable in comparison to other quotes we received. However, we chose them anyway because their process and communication seemed the most thorough (in the beginning) - Since we had the work done while we were out of town, scheduling with the GC Pedro for repairs and touchups was a bit of a struggle as they were already busy with other projects - It was not made clear how EASILY new paint on the cabinets could get scratched and damaged. We had pre-existing rollout drawers in our bottom cabinets and they scratched the doors so quickly. In addition, some areas (drawer/cabinet edges and corners) have already chipped. We wish Camila elucidated this information to us when we were debating painting vs refacing and that Ana/Jeff/Pedro gave us care instructions for the new paint when they initially finished the project - There were a few doors that were clearly damaged prior to painting (corners were broken off/chipped but then the door was still painted over); Pedro ended up picking up these doors and they repaired them at their warhouse - It took about 2 months from the time we returned from our trip/initial paint completion to the final completion of the project (between scheduling, Pedro taking the damaged doors back to the warehouse to have repainted/repaired, and Ana/Jeff returning for reinstallation and final touch ups; the final reinstall was rescheduled on their end 3 times which was slightly annoying) - We changed our mind after initial completion from financing to paying the remaining balance in full. However, something must not have been communicated because the Synchrony account was activated and we didn't know until they charged us a late fee due to missing the first payment. We were able to get the late fee waived and ended up just paying off the balance through Synchrony. Again, annoying. Overall, even with the roller coaster of our simple project, the entire team at Adval was always respectful. They were quick to respond to my texts/calls and showed professionalism in their work. I appreciated that they were responsive and accountable. We are just disappointed in how fragile the final product is and we weren't properly informed.

    Home Quality Remodeling

    Home Quality Remodeling

    (124 reviews)

    Remodeling our home has been a dream of ours for a long time, but finding the right person to trust…read morewith it was the hard part. We actually met with quite a few contractors before we found Mike. Honestly, the fact that he was willing to come out on a Saturday just to work around our crazy schedules told us everything we needed to know right off the bat. From that first meeting, Mike just 'got' it. He didn't just listen; he offered real insight on how to open up the space and make it actually functional for our family while keeping the modern look we wanted. Even when the inevitable hiccups popped up, Mike always had a workaround ready. He wasn't just a guy we hired; he felt like a partner in the whole process. Our home is beautiful, and we can't recommend Mike enough if you're looking to start your own project.

    I just completed an ADU build with Alexis and his crew. My in-laws need to live closer and we felt…read morethis was the right decision. He was very clear on the pricing from the start and communicated effectively before a contract was signed so we knew exactly what to expect. The work went smoothly and they kept the yard clean. We have a lot of plants that they remained cautious of. Alexis took us to different vendors to pick out materials within our budget. He finished within the expected time frame. One random thing that I enjoyed was, at the end of the project he came to do a final inspection and gave us a homemade company branded candle. Definitely recommend this company.

    KCK Construction & Remodeling - Master Bathroom Remodel in Danville!

    KCK Construction & Remodeling

    (50 reviews)

    I highly recommend KCK Construction & Remodeling!…read more They repaired my pocket door quickly and professionally. What really impressed me was their honesty--they actually reduced the final bill below their original estimate after completing the work. About a month later, the door jammed again. KCK immediately honored their three-month warranty, opened the wall, installed a completely new sliding door frame, and didn't charge me a penny. It's rare to find a contractor who is this honest, dependable, and committed to standing behind their work. Professional, courteous, and trustworthy from start to finish. Five stars!

    Outstanding experience with KCK - great family business. We hired them to renovate a kitchen, but…read moreplan to have them come back for a home addition and other larger projects. Highlights are - Communication and Timeline: They were extremely responsive and kept us informed every step of the way. What impressed me most was their ability to stick to the agreed-upon timeline. They completed the entire project in exactly 3 weeks as promised, with no delays or surprises. - Attention to Detail: The quality of their work is exceptional. Every aspect of the renovation shows meticulous attention to detail, from the precision of the installations to the finishing touches. It's clear they take pride in their craftsmanship. - Cleanliness: Despite the nature of renovation work, they kept our space remarkably clean throughout the project. They cleaned up thoroughly at the end of each day, which made living through the renovation much more manageable than we anticipated. - Flexibility: One of the things I appreciated most was their flexibility when we decided half way through to remove a cabinet that wasn't originally in the plan. They adapted quickly to the change without any hassle and incorporated it seamlessly into the project timeline (of course there were some change fees $$) I would absolutely hire them again for future projects and recommend them without reservation to anyone looking for a reliable, skilled, and professional contractor.

    SJ Design + Build - interiordesign - Updated August 2026

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