Bathroom leaking into the room below? Call (714) 888-5443

Bathroom remodeling · LA & Orange County

The part that
fails is the partyou can’t see.

A bathroom is the wettest room in the house and the one most often finished badly. Tile hides everything. We build the waterproofing and the drain work to last, then tile over it — because the second remodel always costs more than the first.

Bathroom stripped to studs with drain line exposed
01 Strip
Supply and gas piping reworked beneath a sink
02 Seal
Finished bathroom with marble surround and frameless glass
03 Finish
Licensed
CSLB #1079728
In the trade
20 years
Workmanship
5-year warranty
Spoken here
English & 한국어

Where cheap bathrooms fail

Everything under
the tile

Two bathrooms can look identical on handover and be five years apart in lifespan. The difference is entirely in the layers nobody photographs.

A surface remodel

Tile over what is there.

  • Demo the old finishes
  • Set new tile and fixtures
  • New vanity and mirror
  • Paint and trim
  • Replace failing supply and drain lines
  • Correct the slope on the shower pan
  • Full waterproof membrane, not just backer
  • Proper ventilation to outside
  • Repair the subfloor the old leak damaged

The bottom five are invisible on day one.
They are the entire reason a bathroom lasts or leaks.

Lim Construction Services

Build it dry, then tile it.

  • Demo the old finishes
  • Set new tile and fixtures
  • New vanity and mirror
  • Paint and trim
  • Replace failing supply and drain lines
  • Correct the slope on the shower pan
  • Full waterproof membrane, not just backer
  • Proper ventilation to outside
  • Repair the subfloor the old leak damaged

Waterproofing, slope and ventilation done right.
Backed for five years.

How a bathroom runs

Strip, correct,
seal, finish

A bathroom is a small room with a lot of sequence in it. Skipping a stage is how you end up doing it twice.

Stage 01

Strip and inspect

Down to studs and subfloor. This is where we find what the old bathroom was hiding — soft floor, rotted framing, a drain that never sloped correctly.

Stage 02

Correct

Supply and drain lines replaced where they need it, subfloor repaired, framing made square. Nothing goes on top of a problem.

Stage 03

Waterproof

Pan set to slope, membrane run properly up the walls, seams and corners detailed. This is the stage that decides whether the room lasts.

Stage 04

Finish

Tile, grout, vanity, fixtures, glass, paint and trim. Ventilation ducted to outside, not into the attic. Then the final clean.

What it costs

What a bathroom
runs

Bathroom pricing is driven far more by what we find under the old one than by the tile you pick. We price after the walk-through, in writing.

[[$XX–$XX]]

[[His real range for a
standard hall bath,
full gut to finish.]]

  • What is underneathA sound subfloor and good lines is a different job to a bathroom that has been leaking quietly for years.
  • Layout changesKeeping fixtures where they are is straightforward. Moving a toilet or shower means moving drains, and that is real work.
  • Tile choiceLarge-format and stone take more labour to set flat than standard ceramic. The material price is rarely the whole story.
  • Glass and fixturesFrameless glass, custom vanities and higher-end fixtures move the number more than most people expect.
  • VentilationIf the old fan vented into the attic — and many do — that gets corrected, because it is why the ceiling keeps growing mould.

Backed for five years

If our workmanship fails,
we come back and fix it.

Five years of workmanship warranty on the work and on the finish that closes it. Same company, same phone number, same crew. Terms are written into your contract before you sign anything, so the promise is a document rather than a sales line.

CSLB #1079728 · Class B, General Building · Active through 08/31/2027
$25,000 contractor bond, Atlantic Specialty · $2,000,000 general liability, State Farm

Recent work

Jobs, not a photo dump

Scope, city and timeline on every one. A wall of unlabelled photos tells a homeowner nothing.

Finished bathroom with marble tile and floating vanity

[[City]][[X]] daysBathroom

[[What failed]]

[[Two sentences: what failed, what we did, what the owner got back.]]

Finished marble shower with recessed niche and pebble floor

[[City]][[X]] daysBathroom

[[What failed]]

[[Two sentences: what failed, what we did, what the owner got back.]]

Finished bathroom with frameless glass shower and dark fixtures

[[City]][[X]] daysBathroom

[[What failed]]

[[Two sentences: what failed, what we did, what the owner got back.]]

Service area

Where we work

Based in La Mirada, on jobs across Los Angeles County and north Orange County.

Questions we actually get

Before you call anyone

How long will my bathroom be out of service?

You get a stage-by-stage schedule at the walk-through. The stages that take the most calendar are the ones with drying time in them — waterproofing and grout do not care about your deadline. If it is your only bathroom, tell us and we will plan around it.

Can you keep the layout and just replace the finishes?

Yes, and it is usually the better value. Moving fixtures means moving drains, which is the single biggest cost jump in a bathroom. If the layout works, keeping it puts the budget into quality instead of plumbing.

My last bathroom leaked. How is this different?

Almost every bathroom that fails, fails at the pan slope, the membrane, or a seam that was never detailed. We strip to studs so we can see all three, and we build those layers before any tile goes down. The five-year workmanship warranty covers that work.

Do you do the tile yourselves?

Yes. Tile, waterproofing, drywall, paint and the supply and drain work are all in-house. That is the point of a general building contractor — the person who set your membrane and the person who tiled over it answer to the same company.

Are you licensed and bonded?

Yes. CSLB license #1079728, Class B, General Building Contractor, active through August 2027. We carry a $25 through Atlantic Specialty and $2 through State Farm. Verify the licence yourself at cslb.ca.gov before you let anyone into your house — we would rather you did.

What deposit do you take?

California caps a residential down payment at $1,000 or 10% of the contract price, whichever is less. Payment after that follows a written progress schedule tied to completed stages, so you always know what you are paying for. If any contractor asks for a large payment up front, that is your signal to walk.

Free estimate

Tell us what
happened

The more you tell us, the more useful the first call is. If water is moving right now, don’t type — call.

Call (714) 888-5443