Bathroom Remodeling in Fontana — Fixed Price, One Bathroom at a Time

Fast, Reliable Bathroom Remodeling Across Fontana

We’re Orchard ADU Builders, and we handle bathroom remodeling across Fontana, CA with a realistic view of what the city’s housing actually demands. A standard hall bath remodel in Fontana runs $14,000 – $28,000, while a primary bath in one of the 1950s stucco ranch homes off Sierra Avenue typically lands between $22,000 and $46,000 depending on whether you’re moving plumbing or keeping the existing footprint. Fontana’s mix of older tract homes and newer north-side subdivisions means almost every job here involves some degree of un-level slab correction, cast-iron drain replacement, or venting work tied to the Inland Empire’s brutal summer heat. Call (844) 386-2399 and we’ll come out to your property, look at what’s actually behind the walls, and give you a written line-item estimate before anything gets torn out.

Call (844) 386-2399

Why Orchard ADU Builders Is Fontana’s Preferred Bathroom Remodeling Company

Fontana homeowners call us because we understand the specific way this city’s bathroom remodeling work actually goes: older stucco ranch homes with slab-on-grade foundations, garage conversions with out-of-level floors, and summer attic temperatures that cook a standard exhaust fan into uselessness by July. Our Bathroom Remodeling team has worked in neighborhoods from the 92335 core near the Metrolink station up through the 92337 subdivisions south of Summit Avenue, and we know which permit counter questions come up most. Unlike a general contractor who drives in from Orange County and treats Fontana like just another stop, we plan for the Santa Ana winds, the dust they carry, and the fact that your bathroom’s ventilation strategy has to survive a 105°F August afternoon.

We’re led by Allen Prescott, and Allen’s approach is simple: quote honestly, show up when we say we will, and never pretend a bathroom remodel in a 1962 slab home in Fontana is the same job as one in a newer north-side build. Our Fontana customers regularly tell us the thing they appreciated most was that we walked them through the actual tile, waterproofing, and exhaust fan options before they spent a dollar. That trust matters when you’re spending five figures on a room you’ll use every day.

Our Bathroom Remodeling Services in Fontana

Here’s what we handle in Fontana, and how we handle it differently.

Primary Bathroom Remodels

Fontana’s mid-century ranch homes often have primary bathrooms that haven’t been touched since the Nixon administration. We rework these spaces with curbless showers, properly sloped pans, and wall-hung vanities that make a small 5’x8′ room feel twice its size. In the 92336 and 92331 neighborhoods where two-story 1990s builds are more common, we see more garden tub removals and walk-in shower conversions. Every primary bath job starts with checking the existing drain line size and the slab condition, because Fontana’s older homes frequently have 1-1/2″ lav arms that need upsizing to 2″ under current code.

Hall Bath and Guest Bath Remodels

Hall baths in Fontana’s tract housing are tight, often 5’x7′ with a tub-shower combo and a window that’s been painted shut for 20 years. We replace the tub with a deep-soak model or a low-threshold shower, add a properly sized exhaust fan (we spec at least 110 CFM for Fontana’s summer humidity spikes), and redo the waterproofing with a bonded membrane system. Guest baths in newer north Fontana homes usually just need cosmetic updates: new tile, a modern vanity, better lighting. We quote those accurately because we’ve measured enough of them to know what actually works.

Garage Conversion Bathroom Remodels

This is where Fontana is genuinely different from most Southern California cities. The signature local constraint is that much of the city’s post-war housing sits on lots already built out with detached garages and RV pads. So a bathroom remodel here often means working inside a converted garage or junior ADU, not just swapping tile in the main house. We handle the drain line runs under existing slabs, the backwater valve installations, and the moisture-resistant material specs that a garage conversion bathroom in Fontana actually requires. The existing garage slab is rarely level, rarely thick enough for code, and rarely has the right slope for a shower. We fix all of that before the first tile goes down.

Junior ADU and Detached ADU Bathroom Remodels

Fontana’s municipal push for pre-approved ADU plans has driven a wave of junior ADU and garage-to-ADU conversions. Those ADUs need bathrooms, and those bathrooms need to be airtight, properly vented, and tied into the sewer correctly. On a ranch-style property near Citrus Avenue in south Fontana, we converted a detached two-car garage into a junior ADU and remodeled the bathroom with a curbless shower and a wall-hung vanity, running a new drain line under the slab to tie into the main sewer. The existing garage slab was 4 inches thick and out of level, so we floated a self-leveling underlayment before setting the tile and used a backwater valve to protect against the city’s sewer surcharges during heavy winter storms. That’s the kind of detail work that separates a bathroom that lasts 15 years from one that fails in three.

Trusted Brands We Service in Fontana

We install and work around the fixtures and materials Fontana homeowners have actually researched. James Hardie fiber-cement backer board and exterior products show up on our job sites because they hold up to Fontana’s dry heat and dust without warping or swelling. On ADU bathroom projects where the owner is working through prefab options, we’re familiar with Plant Prefab and Abodu build details, and we can coordinate the interior bathroom scope with the unit’s existing plumbing rough-ins. We also work on Tuff Shed-based conversions, which are common on Fontana lots where a detached structure already exists. Having a team that understands both the shell and the bathroom inside it means fewer change orders and fewer surprises.

Common Bathroom Remodeling Problems We See in Fontana Homes

• Undersized exhaust fans that can’t handle a Fontana summer. A 50 CFM builder-grade fan in a bathroom that hits 105°F in August will leave condensation on the walls and ceiling every single shower. We spec 110 – 150 CFM fans with insulated duct runs so moisture actually leaves the room instead of feeding mold behind the tile.
• Cracked and un-level garage slabs under converted ADU bathrooms. Most pre-1980 detached garages in Fontana have 4-inch slabs with no vapor barrier and no reinforcing. Setting a shower pan directly on that surface is a warranty claim waiting to happen. We float self-leveling underlayment and install proper drainage before tile work begins.
• Undersized drain lines from quick-fix garage conversions. Handyman-built ADU bathrooms often connect to a 1-1/2″ line that backs up the first time Fontana gets a heavy winter storm. We run 2″ or larger lines, add cleanouts, and install backwater valves on properties in the older combined sewer zones around 92335 where surcharge risk is real.
• Standard drywall and mastic in high-moisture bathroom zones. Fontana’s Santa Ana winds push dust against exterior walls but the real enemy inside a bathroom is humidity. We use moisture-resistant green board or fiber-cement backer on all wet walls, not standard drywall, and we never use pre-mixed mastic for shower tile in a Fontana climate that swings from 30% humidity to 95% in one winter week.

Pricing for Bathroom Remodeling in Fontana, CA

We Also Serve Cities Near Fontana

Fontana is home base for this work, but we regularly take bathroom remodeling projects in Bloomington, Rialto, Glen Avon, and Pedley. The housing stock and climate constraints are similar across the 92335, 92336, 92337, and 92331 ZIP codes, so we bring the same slab-correcting, heat-rated exhaust fan, and moisture-resistant material approach wherever your property sits in the Inland Empire.

FAQs – Bathroom Remodeling in Fontana