Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Before
After
Before
After
Before
AfterRemodeling Company in Martinez, CA
Home remodeling in Martinez runs $9,000 – $130,000 depending on scope, with most kitchen and bathroom projects falling between $14,000 and $45,000. We give you a written price before any work starts, and every project carries our 365-Day Done Right Promise. Call (936) 259-2607 to schedule your free estimate.
Martinez presents a rare triple challenge for remodeling crews: Victorian and Craftsman homes built before seismic codes, expansive adobe clay soils that heave with winter rains, and salt-laden Delta winds that corrode fasteners faster than inland Contra Costa cities. We’ve learned to navigate all three. Our crews are background-checked and uniformed, and a live person answers our phones around the clock. Home Remodeling is what we do, and Martinez is where we do it.
Why Martinez Homes Are Different
The housing stock here splits into two distinct eras. Downtown and the flatlands hold concentrated pockets of Victorian-era and Craftsman bungalows from the 1880s through the 1930s, many still resting on original rubble foundations or unreinforced concrete with no seismic bracing. These jobs require careful coordination with Contra Costa County’s historic preservation review, especially when exterior changes affect street-facing facades.
The post-WWII tract housing on the surrounding hillsides presents different problems: slab-on-grade construction that cracks as the adobe clay beneath it swells and shrinks seasonally. The Carquinez Strait funnels accelerated Delta winds through the gap between the Coast Range and Diablo Range, producing chronic wind loads that degrade roofing and siding fasteners while depositing enough salt-air moisture to accelerate corrosion. Contractors who work mainly in drier East Bay markets often underestimate this marine influence. We don’t. Our materials and fastening schedules account for it.
Our Main Martinez Services
Most Martinez homeowners who call us start with one of these three projects:
General Contractor in Martinez
We manage full-scope renovations from permit to final inspection, coordinating structural engineers when those 1920s balloon-frame walls need opening up, and geotechnical consultants when foundation work is required in the adobe clay zones near the waterfront. Every subcontractor on your job meets our background-check and uniform standard, and you’ll have one point of contact throughout. General Contractor in Martinez covers the complete process.
Bathroom Remodeling in Martinez
Bathrooms in older Martinez homes often mean galvanized plumbing, sloped floors from decades of foundation movement, and layouts that don’t meet modern code for ventilation or electrical. We replace the substrate (the structural layer beneath your tile) with cement board rated for moisture exposure, run new copper or PEX lines, and give you a written price for the full scope before we remove a single fixture. Bathroom Remodeling in Martinez details our approach.
Kitchen Remodeling in Martinez
Kitchens in historic Martinez homes frequently require structural assessment before wall removal, those balloon-frame structures don’t have the redundant support of modern platform framing. We source KraftMaid and Wellborn cabinetry, Cambria, Silestone and Caesarstone countertops, and Kohler and Moen fixtures, with every selection backed by both manufacturer warranty and our 365-Day Done Right Promise. Kitchen Remodeling in Martinez walks through the full process.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Home Remodeling in Martinez
Whole-home remodeling in Martinez demands expertise with pre-WWI construction methods, reactive clay soils, and seismic retrofit requirements that don’t apply in newer neighboring cities. We’ve replaced failing rubble foundations under 1890s Victorians, opened up Craftsman floor plans while preserving historic street-facing character, and rebuilt hillside kitchens where the slab had cracked from seasonal soil movement. Our written price covers every phase, and our 365-Day Done Right Promise covers what happens after.
Whole House Remodel
Signs you need it
Your home has multiple failing systems simultaneously: outdated electrical panels, galvanized plumbing, unlevel floors from foundation movement, and a layout that doesn’t function for how you actually live.
What it costs in Martinez
Whole-house remodeling in Martinez typically runs $45,000 – $130,000 depending on square footage, structural complexity, and whether foundation stabilization is required in the adobe clay zones.
How we do it
We start with structural and geotechnical assessment, sequence the work to keep you housed when possible, coordinate Contra Costa permits and any historic preservation review, and deliver a written price for each phase before it begins.
Home Renovation
Signs you need it
Specific rooms are functionally obsolete – kitchens with 36-inch doorways too narrow for modern appliances, bathrooms with no exhaust ventilation, living spaces chopped into small boxes by walls that don’t bear load.
What it costs in Martinez
Targeted home renovations in Martinez range from $9,000 for a small bathroom gut to $45,000 for a full kitchen remodel with cabinet replacement and layout reconfiguration.
How we do it
We identify which walls can open safely, engineer headers and posts where needed, update MEP systems in the affected zone, and finish with materials from our recognized trade brands backed by written warranties.
What Home Remodeling Costs in Martinez
| Item | Typical range in Martinez |
|---|---|
| Small bathroom remodel | $5,000 – $12,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Small kitchen remodel | $9,000 – $20,000 |
| Kitchen remodel | $14,000 – $45,000 |
| Home addition | $45,000 – $130,000 |
| ADU construction | $90,000 – $220,000 |
| Garage conversion | $30,000 – $80,000 |
Do you pull permits for home remodeling in Martinez?
Yes, we pull all required permits through Contra Costa County and coordinate inspections at rough-in and final. In the historic downtown zone, we also navigate any additional preservation review for exterior alterations. Call (936) 259-2607 and we’ll check your specific address for requirements.
Will the price change once demolition starts?
No. The Kingswell Way requires a written price before any work starts, and that number doesn’t change unless you add scope. If we discover hidden conditions, like deteriorated balloon-frame wall cavities or unexpected foundation settlement, we document it, explain your options, and get written approval before any additional work proceeds.
Brands We Service in Martinez
We install and service products from KraftMaid, Wellborn, Cambria, Silestone, Caesarstone, Kohler, Moen, Blanco, Delta, Toto, Grohe, James Hardie, Belgard, Unilock, and Therma-Tru. Most standard items are available through our Bay Area supply chain with typical lead times of 2 – 4 weeks. Specialty orders may run longer; we confirm delivery before scheduling your start date. See our brands for the full list.
Pricing for Remodeling Company in Martinez, CA
| Service | Typical range in Martinez |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Small kitchen remodel | $9,000 – $20,000 |
| Cabinet installation | $4,000 – $13,000 |
| Countertop installation | $2,000 – $6,500 |
| Bathroom remodel | $9,000 – $28,000 |
| Small bathroom remodel | $5,000 – $12,000 |
| Walk-in shower installation | $4,500 – $12,000 |
| Tub-to-shower conversion | $3,500 – $10,000 |
| Home addition | $45,000 – $130,000 |
| ADU construction | $90,000 – $220,000 |
| Garage conversion | $30,000 – $80,000 |
| Roof replacement | $8,000 – $20,000 |
Prices in Martinez run higher than inland Contra Costa when foundation stabilization or seismic retrofit is required, which is common in the historic flatlands. Our written price includes every known condition before work starts, so the number you approve is the number on your invoice.
Neighborhoods We Serve in Martinez
We work across Martinez, from the historic downtown core to the hillside developments. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, with crews serving Martinez directly. Most projects can be assessed within a few business days of your call.
- Historic Downtown / Alhambra Valley corridor
- Muir Station and surrounding flatlands
- Hidden Lakes and hillside tract areas
- Vine Hill and Shell Ridge zones
- Waterfront and Carquinez Strait adjacencies
Service Area – Cities Near Martinez
Our crews work throughout central Contra Costa County. We regularly take projects in Pleasant Hill, CA, Benicia, CA, Lafayette, CA, and Concord, CA, plus the unincorporated areas between. Each location is independently operated under the Kingswell standard, with the same written-price and 365-Day Done Right Promise requirements.
Serving Martinez, CA - Our Local Coverage Area
We’re based in the Martinez area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Remodeling Company in Martinez
Most projects begin 4 – 8 weeks after estimate approval, depending on permit timing through Contra Costa County and material lead times. Historic preservation review, when required for downtown exterior work, can add 2 – 4 weeks. We don’t promise same-day starts on planned construction; we do promise a written start date we stick to.
Some newer hillside developments and planned communities in Martinez do have HOA architectural review requirements. We obtain and comply with all HOA guidelines before work begins, and we include any required documentation in your written scope. Ask us to check your specific subdivision when you call.
Our 365-Day Done Right Promise covers it. If any aspect of our work fails within one year, we return and fix it at no charge. No service fee, no re-inspection charge. That’s written on every project, and it’s how we’ve operated since the Kingswell standard was established in 2004.
Ready to talk about your project? Call (936) 259-2607 to schedule your free estimate. We’ll give you a written price, a real arrival window, and a guarantee you can hold in your hand.
What happens when you call
- 1A real person answersNo phone trees - talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Martinez Customers Say
"Gutted and redid the master bath. They gave me a schedule and actually stuck to it. Any time there was a choice to make they called me instead of guessing. Love the result."
- Kayla Benton"Kitchen and dining room opened up into one space. They were honest about which wall could come down and which couldn't, no sugarcoating. Dust was kept way down with plastic everywhere."
- Oscar Benitez"Redid two bathrooms at once. The crew protected the floors and cleaned up every single day before leaving. Quote was detailed and there were no mystery charges at the end."
- Tricia Dawson