







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Antioch
A full bathroom remodel in Antioch typically runs $9,000 to $28,000, with smaller jobs like tub-to-shower conversions landing between $3,500 and $10,000. Most projects take two to six weeks depending on whether you’re moving plumbing, replacing a tub, or redoing everything down to the studs. If you’re planning a bathroom remodel in this city, you need a contractor who knows Antioch’s older drain lines, its permit process, and where the real cost surprises hide. Call Sawyer Remodeling at (254) 272-5876 and we’ll walk you through what your project actually needs.
Why Sawyer Remodeling Is Antioch’s Preferred Bathroom Remodeling Company

We’re a general contractor operating as part of the Relay Home Co. family since 2005, and our Bathroom Remodeling team has handled bathrooms across Antioch’s older neighborhoods where cast iron and undersized ABS drains hide behind finished walls. Homeowners here tell us the same thing: they want a written price before work starts, they want to know who’s walking through the door, and they don’t want to chase a contractor for updates. That’s exactly how we run every job under The Relay Visibility Guarantee: a written price, live arrival time tracking, and photo updates before and after the work. Luca Romano, our owner, insists on it. When our crews pull a permit for a rough-in inspection in Antioch, they know the inspector will be looking at the drain sizing and the venting before the walls close. That local knowledge saves you from rework later.
Every Sawyer Remodeling technician is background-checked and uniformed, so you know who’s in your home before they arrive. Our 365-Day Done Right Promise covers the work in writing for a full year after we finish. If it’s not done right, we make it right. You’re not calling a call center. You’re calling a live person, 24/7, who can answer questions about your Antioch project.
Styles & brands we work with







Tub to Shower Conversion in Antioch
Tub to Shower Conversion is one of the most common bathroom projects we handle in Antioch, and it’s rarely the simple swap homeowners expect it to be. Here’s why: much of Antioch’s housing stock was built with 1¼-inch ABS drain lines and older cast iron, and the city’s plumbing code requires bathroom rough-in changes to be inspected with the walls open. So a tub-to-shower conversion often needs the drain re-routed and sized to the new shower pan before the walls close, not a simple drop-in swap. A typical tub-to-shower conversion in Antioch runs $3,500 to $10,000 depending on what’s behind the tub.
What the Drain Inspection Uncovers
When we pull an old tub in Antioch, we almost always find something underneath that changes the plan. A 1¼-inch drain line that can’t handle a new shower pan’s flow rate. A rusted cast iron P-trap that’s been seeping into the subfloor. We cut out and re-pipe the rough-in, add a code-compliant P-trap, and get the city inspection passed before we close the walls with cement board.
Code-Compliant from the Start
Skipping the rough-in permit and inspection in Antioch means the new shower drain and supply lines go unverified. That’s a problem when a future buyer’s home inspector looks behind the finished wall and flags the work. We pull the permit, schedule the inspection, and show you the sign-off. No shortcuts.
One Day Bath Remodel in Antioch

A One Day Bath Remodel in Antioch can work when the structure is sound and the existing tub footprint stays put, but it’s not the right call for every bathroom in this city. The acrylic overlay approach fits over an existing tub or pan, and it looks great on day one. The problem shows up later if there’s hidden subfloor rot from a slow tub leak, because the new pan flexes and cracks when the soft subfloor was never replaced. A one-day bath remodel in Antioch typically falls within the $4,500 to $12,000 range for a walk-in shower or tub replacement, but only if the floor underneath is solid.
When One Day Works
If your tub surround is tired but the pan and subfloor are dry and level, a one-day acrylic system can be a smart, fast solution. We inspect the floor before we ever quote the job so you’re not paying for an overlay that cracks six months later.
When One Day Backfires
Antioch homes from the 1980s and earlier often have bathrooms that were put together with minimal waterproofing behind the tile. If we find rot or an undersized drain, we’ll tell you honestly: this is a full remodel, not a one-day job. We’d rather lose the quick sale than install a pan over a floor that’s about to fail.
Common Bathroom Remodeling Problems We See in Antioch Homes
- Undersized 1¼-inch ABS drain lines: Common in Antioch houses built before the plumbing code updates, these drains can’t handle a modern shower pan. Re-piping is a real line-item that changes the quote once the tub comes out.
- Hidden subfloor rot from slow tub leaks: We see this constantly in older Antioch bathrooms. A tub that drips for years rots the plywood underneath, and you won’t know until the tub is out.
- Rough-in permits skipped by previous handyman work: If a prior owner did a bathroom update without a permit, the plumbing was never inspected. When we open the walls, we sometimes find drains that don’t meet current code.
- Improper waterproofing behind old tile: Many 1980s and 1990s Antioch bathrooms used green board behind tile instead of cement board. Green board wicks water and m**grows, and the tile eventually falls off.
Our crew remodeled a hall bathroom in Antioch’s Deer Valley neighborhood where the tub-to-shower conversion revealed a 1¼-inch drain line that would not handle the new shower pan. We cut out and re-piped the rough-in, added a new pan with a code-compliant P-trap, and passed the city inspection before closing the walls with cement board and a Kohler shower valve. That’s the difference between a quote that holds and a change order that stings.
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AfterPricing for Bathroom Remodeling in Antioch, CA

Here’s what you can expect to pay for bathroom work in Antioch, based on the jobs we’ve scoped in this market:
| Project | Typical Range in Antioch, CA |
|---|---|
| Bathroom Remodel (full) | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Vanity Installation | $800 – $3,000 |
The biggest cost drivers in Antioch are what’s behind the walls: drain line size, subfloor condition, and whether the rough-in was ever properly permitted. A bathroom with dry subfloor, a modern drain, and no re-routing needed will land at the low end of these ranges. A bathroom with cast iron drains and rot can push toward the top. Before you sign anything, get a written price that includes the rough-in inspection, not a verbal quote that leaves the drain work “to be determined.” Call (254) 272-5876 for a free estimate with a written line-item quote.
Trusted Brands We Install in Antioch
We install fixtures and surfaces from Kohler, Moen, Grohe, Cambria, Silestone, and Caesarstone, and we keep common Kohler valves and trim kits stocked so Antioch customers aren’t waiting on a parts shipment from out of state. If you want a walk-in shower with a frameless glass enclosure, we can spec it with Grohe hardware and a Caesarstone threshold. You choose from proven brands, not mystery suppliers, and every product carries manufacturer backing behind our install. Some Antioch homeowners considering a larger footprint also explore prefab or modular options like Abodu, Cover, Dvele, or Mighty Buildings for ADUs and additions, but for a bathroom remodel inside an existing home, the fixtures and surfaces you pick matter most.
We Also Serve Cities Near Antioch
Sawyer Remodeling handles bathroom projects throughout Antioch and the surrounding area, including Oakley, Pittsburg, Clayton, and Brentwood. If you’re in any of these cities and planning a bathroom remodel, the same written price, live arrival tracking, and 365-Day Done Right Promise apply. We’re scheduling free estimates now for Antioch and nearby communities.
Serving Antioch, CA - Our Local Coverage Area
We’re based in the Antioch 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 Bathroom Remodeling in Antioch
Yes, you need a permit for any bathroom remodel in Antioch that involves moving plumbing, changing the drain, or altering the fixture layout. The city’s building department requires a rough-in inspection with the walls open, so the drain sizing, venting, and supply lines can be verified before the walls close. Sawyer Remodeling pulls the permit, schedules the inspection, and shows you the passed sign-off before we finish. Call (254) 272-5876 and we’ll confirm what your specific project needs.
A typical bathroom remodel in Antioch takes two to six weeks depending on the scope. A tub-to-shower conversion with a drain re-route and a rough-in inspection usually runs two to three weeks. A full gut remodel with new subfloor, moving a vanity, and re-tiling can run four to six weeks. The permit inspection date is set by the city, not by us, so that’s baked into the schedule we give you. We’ll give you a realistic calendar before we start, and you’ll get photo updates as the work progresses.
A full bathroom remodel in Antioch typically runs $9,000 to $28,000. A small bathroom remodel is $5,000 to $12,000. A tub-to-shower conversion runs $3,500 to $10,000. Walk-in shower installation is $4,500 to $12,000. The spread is driven by what’s behind the walls: drain line condition, subfloor rot, and whether the previous work was permitted. Call (254) 272-5876 for a written quote with line items, not a ballpark.
Yes, we can do a one-day bath remodel in Antioch when the existing tub footprint stays put, the subfloor is dry and level, and the drain is already code-compliant. This typically runs $4,500 to $12,000 for a walk-in shower or tub replacement. But we won’t install an acrylic overlay over a floor with hidden rot, because the new pan will flex and fail. We inspect before we quote, and if a one-day system won’t hold up, we’ll tell you straight. Call (254) 272-5876 to have your bathroom evaluated.
The most common price-changing discoveries in Antioch are undersized 1¼-inch drain lines that need re-piping, subfloor rot from old tub leaks, and cast iron P-traps that crumble when we remove the tub. These are hidden behind finished walls and can’t be seen until the tub or shower pan comes out. That’s why our written quote includes an allowance for rough-in correction, and why we never surprise you with a change order without first showing you what we found, what it costs, and why it has to be done. If the price changes, you approve it in writing first. Call (254) 272-5876 for a free estimate and a written quote that covers the real scope of your Antioch remodel.
Written by Luca Romano, Owner at Sawyer Remodeling, serving Antioch since 2005.










