Orange County · Class B Licensed Builder

Bathroom Remodeling in Brea, CA

Full bathroom remodels for Brea homes — from the post-war neighborhoods near downtown to the hillside communities of Olinda Ranch and Carbon Canyon — self-performed by one accountable, family-owned licensed crew.

Licensed
Class B GC
Insured & Bonded
Fully covered
In-House
Trades self-performed
1-Year
Workmanship warranty

Remodeling in Brea

From oil-town originals to hillside builds, Brea bathrooms span a century

Brea grew up around the Brea-Olinda oil field — the town's earliest homes were built for oil workers, and as production wound down, the post-war decades filled in the neighborhoods around downtown with the tracts that still make up much of the city. Bathrooms in those homes are often working on 50-plus-year-old plumbing and thin-era waterproofing, so we open them up, verify what's actually behind the tile, and rebuild the substrate and waterproofing before any finish work begins.

The hills tell a different story: Olinda Ranch and Blackstone are master-planned communities from the 1990s and 2000s, and Olinda Village in Carbon Canyon is nearly all custom homes on large hillside lots. Those bathrooms are usually about upgrading builder-grade finishes or matching a custom home's character rather than rescuing old plumbing. Either way, our own crew handles the demo, plumbing, electrical, waterproofing, and tile — one licensed, family-owned company from the first day to the final walkthrough.

What we actually find behind the walls

Waterproofing is where bathrooms fail — so it's where we start

The most common problem we open up in Orange County bathrooms is compromised waterproofing — and behind it, the rot, decay, and black mold it causes. We've pulled tile off showers that had no waterproofing at all, with the lumber underneath completely rotted out. It's why we don't treat waterproofing as a line item: we rebuild the substrate, waterproof with RedGard or a liner system, set Jones Stephens shower pans on the floors (hot mop available on request), and back the work with a one-year workmanship warranty.

On budget, we'd rather be straight with you: a full bathroom remodel — cabinets, flooring, tile work, countertops, mirrors, new fixtures, GFCI electrical, and fans — typically starts around $15,000–$20,000. That range covers basic plumbing involvement and minor electrical like updating outlets; moving or rerouting plumbing, pulling or feeding new wiring, thicker shower glass enclosures, and premium fixtures or materials move it up from there. Every selection and its cost lives on your client dashboard, where we can even show edited preview images of finishes in your actual bathroom before the work is done — so what you approve is what gets built.

What we self-perform

Your whole bathroom, under one license

Demo & waterproofing

Careful tear-out, substrate repair, and full waterproofing before tile — where most leaks are actually prevented.

Plumbing

Rough and finish plumbing, valve and drain relocation, and fixture hookups performed in-house to code.

Electrical

Lighting, exhaust fans, and GFCI outlets handled by our own crew — no outside sub.

Tile work

Shower pans, niches, floors, and full surrounds set for a watertight, lasting finish.

Vanities & carpentry

Vanity, cabinetry, trim, and door work built and installed by our carpenters.

Drywall, texture & paint

Drywall patching, texture matching, priming, and finish paint to close the job clean and move-in ready.

The National Construction difference

A family-run builder you can actually see working

We're a family-owned, licensed Class B contractor based in Orange County with a customer-first mentality — our motto is "building quality relationships, one project at a time." The person who quotes your job is the person accountable for it, you're never handed off to a call center, and every client gets a live dashboard to follow the timeline, photos, and material selections in real time.

01
One accountable crewFraming to finish, self-performed — not coordinated across five subs.
02
Licensed, insured & bondedClass B general contractor, fully covered on every project.
03
Transparent by defaultLive client dashboard — progress, photos, and selections, anytime.
04
Built to code, no surprisesWe verify what's behind the walls before we commit to a finish date.

Brea bathroom remodels — questions

Good to know before you start

How long does a bathroom remodel take in Brea?

Most full bathroom remodels run three to five weeks once permits and materials are in hand. Brea's older post-war homes sometimes need extra time if we uncover dated plumbing or hidden moisture damage — which we flag before it affects your finish date, not after.

Do you work in Olinda Village and Carbon Canyon?

Yes. The custom hillside homes up there each have their own layouts and materials, and we treat them that way — matching the home's character rather than forcing a one-size-fits-all remodel.

Do you pull permits?

Yes. As a licensed Class B contractor we pull the required permits and build to code. It protects your home's value and keeps you clear on any future sale or insurance claim.

What's the most common problem you find in older bathrooms?

Failed or missing waterproofing. We've opened showers where there was none at all and the framing underneath was completely rotted. It's the reason we rebuild the substrate and waterproof properly — RedGard or a liner system, with Jones Stephens pans on the floors — before any tile goes on, and why we back our work with a one-year workmanship warranty.

What does a bathroom remodel cost?

A full remodel — cabinets, flooring, tile, countertops, mirrors, fixtures, GFCI electrical, and fans — typically starts around $15,000–$20,000 with basic plumbing involvement and minor electrical like updated outlets. Rerouting plumbing, running new wiring, thicker glass enclosures, and premium materials move it up from there. Every selection and cost is itemized on your client dashboard before we build.

Do you use subcontractors?

Generally, no — our own crew performs the core trades. On the occasions a specialized task calls for one, we're fully transparent about it, and we only work with subs who've earned it: dependable, on time, and vetted through the standards we require before they're even considered.

Can I see progress while you work?

Every client gets a live dashboard with the schedule, jobsite photos, and material selections, so you can follow the remodel without needing to be on-site.

Planning a bathroom remodel in Brea?

Send us your project and we'll walk the scope with you — no pressure, no call center.