CRBA remodels homes across Union City, from Decoto and Old Alvarado to the Station District and the hillside neighborhoods along Mission Boulevard. Our Hayward office is about 15 minutes north, so Union City is part of our core service area. One licensed team designs, permits and builds every project in-house, with a fixed written price before we start and a 10-year workmanship warranty when we finish.
CSLB Lic #1095283· Fully Insured · 10-Year Workmanship Warranty · Free Written Estimates
Talk to the contractor, not a call center.
Union City was formed in 1959 when Alvarado and Decoto joined together, and most of its homes were built from the 1960s through the 1990s. Here’s what that means for a remodel:
Everything we build in Union City, from a single bathroom to a backyard ADU.
Full kitchen remodels, open-concept conversions, custom cabinets, quartz and stone counters, and the electrical upgrades modern appliances need. Kitchen remodeling →
Tub-to-shower conversions, walk-in showers, primary suite bathrooms and accessible baths, waterproofed properly behind the tile. Bathroom remodeling →
Layout changes, interior and exterior renovations, and full updates of older East Bay homes, managed start to finish by one licensed team. Home remodeling →
Bedroom and primary suite additions, second stories and rear additions, with plans, engineering and permits handled for you. Room additions →
Detached backyard ADUs, JADUs and garage-to-ADU conversions, designed around your lot and utility connections. ADUs → · Garage conversions →
Don’t see your project? Call (510) 990-9243— we handle it all.
1. You call, the contractor answers. Call (510) 990-9243 and talk to Ray or the project team about what you want to change and your budget comfort.
2. Free in-home estimate. We come to your Union City home, measure, check the structure and utilities, and send a written, itemized quote, usually within 7 days.
3. Design and permits. We finalize the design and selections, submit plans to the Union City Building Division, and handle every plan-check comment and inspection.
4. Build. Our in-house crew works on a set schedule, cleans up daily, and you have one point of contact the whole way.
5. Final walkthrough. We walk the finished project with you, close out the permit, and your 10-year workmanship warranty begins.
Realistic 2026 ranges for Union City homes:
Because many Union City homes are structurally sound, more of the budget usually goes into finishes and layout rather than repairs. Permit and design fees typically add 8–15%, with no estimate fee.
Permits in Union City. Union City homes are permitted through the city’s Building Division at City Hall, 34009 Alvarado-Niles Road. Interior remodels that touch plumbing, electrical, mechanical or structure need a permit, and the city publishes submittal requirements for residential remodels and additions.
Kitchens, additions and ADUs go through plan review, which usually adds a few weeks. We prepare the drawings to the city’s checklist, submit them, answer plan-check comments and schedule every inspection.
We remodel homes throughout Union City, including Decoto, Old Alvarado, the Station District near Union City BART, neighborhoods around Kennedy Park, and the hillside homes along Mission Boulevard.
Nearby, we also work in Fremont, Hayward, Castro Valley and San Leandro, plus Newark.
Planning a project? Read our Union City guides to kitchen remodeling, bathroom remodeling and home remodeling.
In 2026, most Union City bathroom remodels run $25,000–$75,000 and kitchens $45,000–$150,000, while whole-home remodels start around $300,000. Layout changes and finish level drive most of the price. You get a written, itemized quote after a free in-home visit.
Yes, for any work involving structure, plumbing, electrical or mechanical systems. Permits are issued by the Union City Building Division at 34009 Alvarado-Niles Road. CRBA prepares the plans, pulls the permits and schedules every inspection.
Most single-family lots in Union City can add a detached ADU, a junior ADU or a garage conversion under California law. We check your lot, parking, utilities and access during a free feasibility visit and tell you which option fits best.
Often, yes. Depending on the lot and layout, we can add a ground-floor bedroom and bath as a rear addition, convert part of the garage, or rework an existing family room, so a parent or guest doesn't have to use the stairs.
Bathrooms typically take 3–5 weeks of construction, kitchens 6–10 weeks, and whole-home remodels 4–8 months including permitting. Plan review for kitchens, additions and ADUs usually adds a few weeks before work starts.
About 15 minutes. Our office is at 111 Jackson St in Hayward, and the same in-house crew works our Union City projects. Call (510) 990-9243 to talk to the contractor directly.
Read all our verified reviews on Google before you decide.
Kitchens, bathrooms, whole-home remodels, room additions and ADUs across Union City, from Decoto to Old Alvarado. Licensed general contractor (CSLB #1095283), written itemized quotes, permits handled. Free estimate, no pressure.
