Bathroom remodel cost in Orange County (2026)

How much does a bathroom remodel cost?

Mostly on scope. Two sources measure it differently: the Cost vs. Value Report prices a defined job, and the 2026 Houzz & Home Study reports what homeowners on Houzz spent in 2025, as national medians (half spent more, half less).

• Refresh. Keeps the tub and the layout, with a new vanity, toilet, fixtures, and paint. No survey prices this exact job. For scale, the median guest bathroom project on Houzz, of any scope, was $7,000.
• Midrange, every fixture replaced. The job behind the $27,143 above: a new tub with a ceramic tile surround, shower control, toilet, solid-surface vanity top with sink, medicine cabinet, and ceramic tile floor. The national average for the same job was $26,138, so the Los Angeles figure runs about 4 percent higher.
• Smaller primary bathroom. Houzz's median for a major remodel of a primary bathroom under 100 square feet (at least the vanity, countertops and toilet replaced) was $18,000.
• Larger primary bathroom. Houzz's median for a major remodel of a primary bathroom of 100 square feet or more was $30,000. Across all primary bathroom projects, one in ten cost $50,000 or more.

The Houzz figures are national. As with the midrange job above, Orange County bids are likely to run at or above them.

What is the cost per square foot?

About $775 per square foot, dividing that average by the 35 square foot room. It looks high because a bathroom packs plumbing, waterproofing, tile, and electrical into a very small space, which is why per-square-foot numbers are a poor way to budget one. Price the scope instead.

What drives the price?

• Layout changes. Moving the toilet, shower, or sink means new plumbing runs, one of the biggest cost jumps. On a concrete slab it also means cutting concrete.
• Tile and materials. Standard porcelain costs far less than custom stone or intricate patterns that take more labor to set.
• Fixtures and finishes. The vanity, faucets, shower system, and lighting span a wide price range. Reglazing a tub or refacing a vanity costs a fraction of replacing it.
• Size and condition. A larger bath, or one hiding water damage or old plumbing behind the walls, costs more.
• Labor. A bathroom needs a plumber, a tile setter, and an electrician in a small space, so labor is a large share of the total.

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What adds cost in Orange County

A bathroom is where an older house shows its age first, because it packs the most plumbing into the least space.

• Old pipe. More than half of Orange County's homes were built before 1980 (the table below has each city, and how old Orange County homes are has the rest). Older tracts can still have galvanized steel supply pipe and cast iron drains behind the tile, and a remodel that opens the walls is the cheapest time to replace them; our repiping guide covers the options.
• Asbestos and lead. Cal/OSHA presumes that sprayed or troweled-on surfacing, such as an acoustic popcorn ceiling, in a building built in 1980 or earlier contains asbestos unless testing shows it does not. Anyone paid to disturb paint in a home built before 1978 must follow the EPA's lead-safe work rules, and California adds its own lead rules for construction work. Ask whether a bid includes testing.
• Hard water. The Irvine Ranch Water District says the imported water in its system is typically hard and that the minerals leave white spots on glassware. Expect the same on clear shower glass and dark fixtures when you choose finishes. More in our hard water guide.
• The 2025 Energy Code. Permits applied for on or after January 1, 2026 fall under California's 2025 Energy Code (Title 24, Part 6). New lighting or a new exhaust fan in a permitted remodel can bring parts of it into play; like-for-like repairs generally do not.
• HOA (homeowners association) and coastal review. Most bathroom work is inside, but a new or enlarged window can need your association's approval, and in the coastal zone a coastal development permit, on top of the city permit. See our HOA and coastal approvals guide.

Do I need a permit to remodel a bathroom?

Paint, flooring, or a like-for-like vanity swap generally does not need one. Once you change plumbing, electrical, or the layout, most Orange County cities require a permit. Here is what each city's own permit page says, with a link to where applications go; where a page does not list what needs a permit, we say so.

City pages: Mission Viejo, Tustin, Brea, Laguna Hills, or all Orange County cities. How permits work across the county, and who should pull one, is in our Orange County permit guide.

Before you sign

Any job that needs a permit, or comes to $1,000 or more, needs a licensed contractor, so look the license up on the Contractors State License Board website. Our deposit rules guide covers the written contract and how much can be paid up front.

For a bathroom, ask for a bid that itemizes demolition, waterproofing, tile, plumbing, fixtures, electrical, and the fan, and says how rotted subfloor, old pipe, asbestos, or lead paint found after demolition will be priced. A line marked "allowance" is a placeholder that can go up. More in is my contractor's quote fair?

Is a bathroom remodel worth it at resale?

Close, but not quite. In the Los Angeles market for 2025, the midrange bathroom remodel recouped about 90 percent of its cost at resale. The stronger case is usually daily use, and not putting off a bathroom that is leaking, since that only gets more expensive.

Common questions

How long does a bathroom remodel take?

Homeowners in the 2026 Houzz study (national figures) reported 8.4 months of planning and 4.8 months of work on a primary bathroom.

Can a handyman remodel my bathroom?

Not legally, in most cases. Every project total on this page is well over the $1,000 license line above, and changing plumbing or wiring usually needs a permit, which also calls for a license.

Is a guest bath cheaper to remodel than a primary bath?

Typically. Houzz's median primary bathroom project was $15,000, about twice the guest bath median in the refresh line above.

Cost and resale figures are from the Remodeling 2025 Cost vs. Value Report (www.costvsvalue.com) for the Los Angeles market, the closest market the report covers, except the national medians and project times, which are from the 2026 U.S. Houzz & Home Study (2025 spending). © 2025 Zonda Media, a Delaware Corporation. Complete data from the Remodeling 2025 Cost vs. Value Report can be downloaded free at www.costvsvalue.com. OakTend is not a contractor and does not set these prices.