Bathroom Remodel Cost — Fixed Price, One Bathroom at a Time

How Much Does Bathroom Remodel Cost in South San Francisco?

A full bathroom remodel in South San Francisco costs $10,620 to $33,040 in 2026, with most homeowners landing near the middle of that range. A small bathroom remodel runs $5,900 to $14,160, while swapping a tub for a walk-in shower typically falls in the $5,310 to $14,160 band. Your final number depends on the size of the room, whether the plumbing layout moves, and how far up the fixture and tile ladder you want to go.

We’re Millwright Builders, a licensed general contractor working across South San Francisco and the Peninsula. We price bathroom projects as complete jobs: demolition, framing repairs, waterproofing, tile, fixtures, and finish, all under one contract. No chasing four subs on one small room.

Key Takeaways

• Typical full bath remodel in South San Francisco: $10,620 to $33,040.
• Small bathrooms: $5,900 to $14,160. Walk-in showers: $5,310 to $14,160.
• Moving plumbing and electrical is the single biggest cost driver.
• Most jobs run 3 to 6 weeks; adding a structural change or custom tile extends that.
• Free estimates: call (866) 925-0334 for a number based on your actual room.

Bathroom Remodel Cost Breakdown (2026)

Here’s how a South San Francisco bathroom project breaks down line by line. These are 2026 market ranges, not guesses pulled from a national calculator. Labor and material costs on the Peninsula sit well above national averages because of local trade rates, permit fees, and delivery costs.

tag: rows for each line item with two columns (Line Item | 2026 Cost Range).

Line Item	2026 Cost Range
Small bathroom remodel (roughly 35-45 sq ft footprint)	$5,900 – $14,160
Full bathroom remodel (hall or guest bath)	$10,620 – $33,040
Walk-in shower installation	$5,310 – $14,160
Tub-to-shower conversion	$4,130 – $11,800
Shower replacement (same footprint)	$3,540 – $10,030
Bathroom vanity installation	$945 – $3,540

What pushes a project toward the top of that range? Structural surprises inside the wall (dry rot near the tub surround, soft subfloor around the toilet flange, old galvanized lines), a layout change that moves the drain and supply lines, and premium finish selections like large-format marble-look porcelain or a stone vanity top. What pulls costs down? Keeping the plumbing in place, choosing a standard tub-and-tile alcove instead of a custom curbless shower, and buying a vanity that already fits the rough opening.

Bathrooms are one of those rooms where the visible finish only tells part of the story. Roughly half the budget sits behind the tile: waterproofing membrane, cement backer board, proper venting, and code-compliant electrical. A bathroom that looks finished but skips those steps will show it within a few years, usually as a soft spot near the shower pan or a bedroom wall that stains after heavy rain.

What Affects Bathroom Remodel Pricing in South San Francisco

Two bathrooms with the same square footage can price thousands apart. Here’s what actually moves the number in this city, including a few factors specific to the South San Francisco housing stock and climate.

• Room size and layout. The footprint drives material quantity and labor hours. A cramped 5×7 bath in a 1950s ranch near Orange Park prices very differently from a gutted master bath in a newer build up the hill in Westborough. Moving a toilet or shower drain a few feet means cutting into the slab or subfloor and re-running waste lines, which adds cost fast.
• Plumbing age and condition. Much of South San Francisco’s housing was built between the 1940s and 1970s. We regularly find original galvanized supply lines and cast-iron drains inside these walls. If the shutoff valves crumble in our hand or the drain under the tub is near its end, replacing that run during the remodel is far cheaper than opening the wall again in two years. Budget an extra $1,500 to $4,000 for hidden plumbing repairs.
• Waterproofing and code compliance. San Mateo County inspections require proper pan liners or topical membrane systems, venting that meets current code, and GFCI protection near water. We build these costs in from the start rather than treating them as add-ons. Skimping here is the fastest way to fail an inspection or, worse, to build a shower that leaks silently into the framing.
• Tile and finish selections. Standard ceramic tile and a stock vanity land at the low end. Large-format porcelain, glass mosaic accents, a Kohler or Toto fixture package, and a quartz vanity top from Cambria or Caesarstone push the budget upward. Brand and product line matter far more than most people expect. We specify the brand, explain the trade-off, and stand behind the install.
• Local climate and moisture load. Fog and coastal humidity set in during the cooler months, and a bathroom without proper exhaust fan capacity or a well-sealed envelope ends up with fogged mirrors, moldy grout, and peeling paint within a couple of seasons. We size ventilation and moisture control to the room rather than installing whatever fan comes in the box.
• Permits and inspection scheduling. Permit fees and the inspection timeline add both cost and calendar days. Pulling the right permits up front protects you at resale. A bathroom remodel added without permits can become a discovery during the buyer’s inspection that stalls a sale.

If you’re still deciding how far to take the project, our page on a Bathroom Remodel in South San Francisco walks through the full scope from demolition to finish. And once the bath is done, many of our clients look at the kitchen next. A full kitchen remodel runs $16,520 to $53,100, while a smaller kitchen project lands at $10,620 to $23,600. The two rooms together are the most common renovation pairing we handle.

How to Save on Bathroom Remodel

You don’t have to spend $33,000 to get a bathroom that lasts. A few choices reliably shave cost without cutting into the work that protects your house.

• Keep the plumbing where it is. Reusing the existing toilet, shower, and sink locations avoids slab or subfloor work and is the single easiest way to stay near the low end of the range.
• Choose a tub-and-tile alcove over a custom shower. A standard tub surround with quality tile costs less than a curbless, glass-walled custom shower. If you want the walk-in look, a tub-to-shower conversion at $4,130 to $11,800 is a good middle path.
• Spend on waterproofing, save on tile. A mid-priced large-format porcelain can look every bit as good as high-end stone at a fraction of the material cost, and the labor is often simpler. Put your money into the membrane and the framing, not the grout color.
• Buy your own vanity and fixtures where it makes sense. A bathroom vanity installation runs $945 to $3,540 depending on size and how much plumbing has to move. If you’ve already picked the vanity, we can install it and keep the rest of the budget for tile and waterproofing.
• Bundle adjacent work. Projects that touch the exterior (new windows, a roof repair) can often be scheduled alongside interior work so you’re not paying mobilization twice. Window replacement runs $5,310 to $17,700, and impact window installation sits at $9,440 to $29,500 if you’re upgrading to that standard.

We give free estimates, so there’s no cost to get a real number on your specific room. Call (866) 925-0334 and we’ll walk through the space with you, flag what’s behind the walls, and put the scope in writing.

What Does a Bathroom Remodel Include?

A typical Millwright bathroom remodel covers demolition, framing and rough-in repairs, plumbing, electrical, waterproofing, tile, fixture installation, vanity and countertop, and finish work. If the framing is sound and the plumbing doesn’t move, a standard hall bath in South San Francisco is usually a three to six week job. If we find water damage or decide to relocate a drain, it runs longer.

Because we’re a full general contractor, we also handle the parts that fall outside a bathroom specialist’s lane. If the project reveals a roof leak above the bathroom or a window that needs replacing, those aren’t separate contractors you have to coordinate. From the roofline to the back patio, one contractor, one conversation. That matters most in older homes where a single remodel often turns up a second problem.

Frequently Asked Questions – Bathroom Remodel Cost

How much does a bathroom remodel cost in South San Francisco?

A full bathroom remodel in South San Francisco costs $10,620 to $33,040, and a small bathroom remodel runs $5,900 to $14,160. The biggest variables are room size, whether the plumbing layout changes, and your finish selections. Call (866) 925-0334 for a free estimate based on your actual space.

Is it cheaper to remodel a bathroom or replace it?

Remodeling is generally cheaper than a full rebuild, since you’re keeping the existing footprint, framing, and slab. A full gut that moves walls or adds square footage is a different project and prices accordingly. Most South San Francisco bathrooms we see are good candidates for a remodel in the $10,620 to $33,040 range.

How much does a walk-in shower cost in South San Francisco?

A walk-in shower installation in South San Francisco runs $5,310 to $14,160. A tub-to-shower conversion is often less at $4,130 to $11,800, and a same-footprint shower replacement is $3,540 to $10,030. The range depends on tile choice, glass, and whether the drain has to move. Call (866) 925-0334 for an exact number.

Can you remodel my bathroom and my kitchen at the same time?

Yes, and it’s often more efficient than doing them separately. A full kitchen remodel in South San Francisco runs $16,520 to $53,100, and pairing it with a bath remodel lets one crew and one permit timeline cover both rooms. Call (866) 925-0334 to scope a combined project.

Do I need a permit for a bathroom remodel in South San Francisco?

Yes, most bathroom remodels in South San Francisco require permits, particularly when you’re changing plumbing, electrical, or the layout. Pulling the right permits protects you at resale and keeps inspections clean. We handle permit coordination as part of the job. Call (866) 925-0334 with questions before you start.

How long does a bathroom remodel take?

Most bathroom remodels run three to six weeks, with larger or more complex jobs taking longer. Adding a layout change or custom tile extends the schedule. We give you a realistic timeline up front, not a best-case number. Call (866) 925-0334 to schedule an estimate.

Can you help with other renovation work around the house?

Yes. We’re a full general contractor, so we cover interior remodeling, cabinetry, countertops, windows and doors, roofing, siding, fencing, and even ADU and prefab structures. A home addition runs $53,100 to $153,400, and ADU construction ranges from $106,200 to $259,600. Visit our home page or call (866) 925-0334 to talk through the whole scope.

Pricing reflects the South San Francisco market as of 2026. Millwright Builders offers free estimates – call (866) 925-0334.