







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Hawthorne
Bathroom remodeling in Hawthorne usually runs $9,000 – $28,000 for a full gut-and-rebuild, with smaller baths and shower-only projects landing between $3,500 and $12,000. The honest range depends less on which contractor you call and more on what’s hiding behind the walls in a 1950s stucco house. We’re Mason Remodeling, part of the Threshold Group, building bathrooms in Hawthorne since 2004. Our crews know the tract-home grid off El Segundo Boulevard and the post-war ranches near Hawthorne Municipal Airport because we’ve opened enough of their walls to know exactly what’s back there. Call (803) 680-2547 to get a written price before any work begins.
Why Mason Remodeling Is Hawthorne’s Preferred Bathroom Remodeling Company

Hawthorne homeowners keep calling us back because we show up with a clean marked uniform, a photo ID badge at the door, and a name you already know from the photo we sent before the visit. That’s the Threshold Standard, and we’ve held to it on every job since 2004. Before any tool is unpacked, you get a written price on your bathroom project. Not a verbal estimate that grows. A line-item price in writing.
We also know Hawthorne’s housing stock the way a contractor only can by working inside it. Most of these bathrooms were built before modern waterproofing existed. When we open a wall on a ranch near Rosecrans Avenue, we expect galvanized supply lines and cast-iron drains. We build that expectation into the written price, so you’re not blindsided by a change order a month into the job. That’s why our Bathroom Remodeling process starts with scoping the work correctly, not with a lowball number designed to win the bid.
Every completed project carries our 365-Day Done Right Promise. If something is not right within a year of completion, we make it right at no cost to you. We state that in writing on every job. No dispute process, no conditions, no charge for the return visit.
Styles & brands we work with







Bathroom Renovation in Hawthorne
Bathroom Renovation in Hawthorne means taking a 1950s or 1960s bathroom down to the studs and rebuilding it correctly: new rough-in plumbing, new electrical, proper waterproofing, and finishes that hold up to daily use. Most Hawthorne homeowners need it when the original tile is cracked, the shower pan has been leaking into the subfloor for years, or the layout simply doesn’t work anymore. A full renovation here runs $9,000 – $28,000. That range covers tearing out to the framing, replacing the old cast-iron and galvanized lines, and rebuilding with a new tub or walk-in shower, vanity, tile, and fixtures.
Where the Budget Goes
The largest cost in any Hawthorne bathroom renovation is the rough-in work behind the walls, not the finishes. Replacing galvanized supply lines and cast-iron drains back to the main stack is labor-intensive and can’t be skipped once demolition exposes them. Our written price accounts for this reality up front, because we’ve done enough of these remodels to know what’s behind a 1952 wall before we open it.
Comfort Upgrades for Hawthorne Summers
Hawthorne’s marine layer and milder coastal air mean humidity sits inside these older bathrooms longer than most homeowners expect. We recommend an exhaust fan sized correctly for the square footage during any renovation. It’s a relatively small line item that protects new tile and paint from the moisture damage that quietly destroyed the original bathroom over decades.
Small Bathroom Remodel in Hawthorne

Small Bathroom Remodel in Hawthorne typically means a hall bath or guest bath under 50 square feet, usually in one of the post-war tract homes where space was tight from the start. These projects run $5,000 – $12,000. You’d choose this scope when the layout works and you’re really after new tile, a new vanity, better lighting, and a properly waterproofed shower or tub surround. It’s less disruptive than a full renovation but still requires pulling the right permits with the City of Hawthorne building department.
What We Keep and What We Open
In a small bathroom, we often keep the toilet and sink locations and focus on the wet area. Unless the galvanized lines are in poor shape, we’ll replace the shower valve and tub, install a proper pre-slope and membrane under new tile, and swap the vanity. But we don’t know the condition of the lines until we open the wall. Our written price includes a line item for potential rough-in replacement, so you know the number before it becomes a change order.
Working in Tight Hawthorne Footprints
Many Hawthorne hall baths sit between two bedrooms with a load-bearing wall on one side. When we relocate a vanity or widen the door opening, we coordinate the structural work and the inspection sign-off with the City of Hawthorne building department. No unpermitted structural changes. That protects you at resale.
Trusted Brands We Service in Hawthorne
We install and service bathroom fixtures and materials from specification-grade manufacturers including Kohler, Moen, Toto, and Grohe, plus Cambria, Silestone, and Caesarstone surfaces, and KraftMaid and Wellborn cabinetry. Because Hawthorne is our local service area, we coordinate material delivery from our Los Angeles office and schedule around your project calendar, not the other way around. If you’ve already chosen a vanity or a tub from one of these brands, we’ll build the bathroom around it and stand behind the installation for a full year.
Common Bathroom Remodeling Problems We See in Hawthorne Homes
- Galvanized supply lines behind the wall. In Hawthorne’s post-war tract homes, galvanized steel was standard. Decades of mineral buildup restrict water flow, and when we open the wall for a remodel, replacing those lines back to the main stack is often non-negotiable. Low fixed-price bids skip this, and the homeowner pays for it later as a change order.
- Cast-iron drain pipes at the end of their life. Original cast-iron drains rust from the inside out. In a bathroom remodel, moving a toilet or tub often means the old P-trap crumbles when disturbed. This is the most common surprise cost in Hawthorne bathroom projects.
- Rotted subfloor under the original shower. Pre-slope mistakes and failed membranes let water reach the original 1950s plywood for decades. When we pull the old tub or shower pan, we often find soft framing that must be sistered or replaced before any new tile goes down. That’s why waterproofing done correctly is non-negotiable.
- Unpermitted previous work. We routinely see bathrooms in Hawthorne where a previous owner replaced a tub or moved a drain without a permit. When you resell, that catches up fast. We pull the permits and pass every inspection sign-off with the City of Hawthorne building department, so your remodel is clean on paper.
See the difference
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AfterPricing for Bathroom Remodeling in Hawthorne, CA
Here are the real line-item ranges for bathroom work in Hawthorne, based on the market and the housing stock here. Full bathrooms in these 1950s tract homes tend to run toward the middle and upper ends because galvanized and cast-iron rough-in work is common, not rare.
| Project | Hawthorne Price Range |
|---|---|
| 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 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Vanity Installation | $800 – $3,000 |
Your exact number depends on square footage, whether you move plumbing or keep the existing drain locations, the condition of the supply and drain lines, and the finishes you choose. We give you a written price for the exact scope before we start. That’s standard on every Mason Remodeling job. Call (803) 680-2547 and we’ll walk the bathroom together and give you a number you can plan around.
We Also Serve Cities Near Hawthorne
Along with Hawthorne itself, we regularly work in Lawndale, Inglewood, Manhattan Beach, and Gardena. If you’re checking bidders in any of those areas and want the same written-price, identity-verified crew, and one-year Done Right Promise, you’re in our service area. See more about Bathroom Remodeling in Hawthorne. Our crews coordinate from the Los Angeles office and schedule around your calendar.
Serving Hawthorne, CA - Our Local Coverage Area
We’re based in the Hawthorne 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 Hawthorne
Yes. Any bathroom remodel in Hawthorne that touches plumbing, electrical, or structural framing requires a permit from the City of Hawthorne building department. A finish-only refresh, like swapping a vanity or replacing a faucet without moving drain lines, may not need one. We pull all required permits on every project and handle the inspection sign-off sequence. If a previous remodel was unpermitted and you’re replacing it now, that’s the time to correct it. Call (803) 680-2547 and we’ll check your scope against Hawthorne’s requirements before you commit to anything.
The two big ones are galvanized steel supply lines and cast-iron drain lines. Most Hawthorne homes built between the 1940s and early 1960s used both, and both are typically at the end of their useful life now. When we open a wall during a remodel, we regularly find supply lines so scaled on the inside they’ve lost most of their flow, and cast-iron P-traps rusted through and weeping. That’s a change order a low fixed-price bid won’t cover, but our written price includes contingency line items for exactly this. We also sister rotted joists under failing shower pans more often in Hawthorne than in newer nearby construction.
Change orders happen when demolition reveals a condition that wasn’t visible during the estimate: rotten subfloor, corroded drain lines, unpermitted electrical work. We handle this by including written line items for the most common conditions in Hawthorne’s housing stock before we start. If a true unknown still appears, we show you the added cost in writing before doing that work. You approve the number first. No surprise invoices at the end. Call (803) 680-2547 and we’ll show you exactly what a written change-order approval looks like on a real job.
A full bathroom remodel in Hawthorne runs $9,000 – $28,000. Smaller hall baths and shower-only projects fall between $3,500 and $12,000 depending on scope. The spread is wide because some projects are finish-only and others require full rough-in plumbing replacement behind the walls. A written line-item quote tells you which camp your bathroom falls into before you agree to anything. Estimates are free.
A typical full bathroom remodel in Hawthorne takes 3 – 5 weeks from demolition to final inspection. Small bathrooms run 2 – 3 weeks. The schedule includes waiting periods for the City of Hawthorne inspection sequence, which is the largest variable outside our control. We’ll give you a project calendar with the written price, so you know what’s happening each week and when the inspection dates are scheduled.
What Building a Bathroom in Hawthorne Actually Looks Like

We remodeled a hall bath in a 1952 stucco ranch on a residential street off El Segundo Boulevard near Hawthorne Municipal Airport. Opening the wall around the tub revealed galvanized supply lines with heavy internal scale and a cast-iron P-trap rusted to the point of leaking. Our plumber replaced the drain and supply rough-in back to the main stack before we set a Kohler tub and tiled the new shower. We also sistered two joists under the subfloor where decades of moisture had rotted the original framing, then passed final inspection sign-off with the City of Hawthorne building department.
That sequence, demolition, rough-in, waterproofing, tile, finish, inspection, is what a correct bathroom remodel in Hawthorne looks like. It’s rarely as simple as pulling out an old tub and sliding in a new one. The cost drivers in this city are hidden: old pipes behind the drywall, original framing under a leaky shower, permits that need to be pulled and passed. Our job is to find those before you spend a dollar, put the real number in writing, and then do the work once. No drama, no surprises, no corner-cutting. That’s the way we’ve built bathrooms in Hawthorne since 2004.
Call Mason Remodeling for a Free Bathroom Remodeling Estimate in Hawthorne
You’ll get a written price before any work begins. You’ll know who’s coming to your door by name and photo before they arrive. And you’ll get a 365-Day Done Right Promise in writing on every completed project. If you’re planning a bathroom remodel in Hawthorne, call (803) 680-2547 to schedule your free estimate. A real person answers, any hour, any day.
Written by Isaac Pruett, Owner at Mason Remodeling, serving Hawthorne since 2004.










