Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CWS Bathroom Remodeling: The Irvine Owner’s Guide
CWS bathroom remodeling in Irvine typically runs $9,000-$28,000 installed, depending on whether we’re refreshing a guest bath or reconfiguring a master with moving walls. We stock CWS-compatible fixtures and hardware, and we can usually start material procurement within 48 hours of a signed scope. Most Irvine owners realize something’s wrong when grout cracks along the shower curb, the vanity cabinet face starts separating at the joints, or the original contractor’s waterproofing membrane fails behind tile in the humid months between June and October.
Which CWS Models This Applies To
CWS, or Custom Woodworking Specialists, produces semi-custom and full-custom bath cabinetry, vanities, and storage systems across several product lines. The most common we encounter in Irvine homes are the CWS Classic Series (face-frame construction, typically ¾-inch hardwood doors), the CWS Metro Series (frameless European-style boxes with laminate or wood veneer), and the older CWS Heritage line (raised-panel doors, often found in Turtle Rock and University Park builds from the late 1990s and early 2000s).
To identify your series, check the hinge bore pattern inside the cabinet door: Classic Series uses a 35mm cup with three adjustment screws, Metro uses a 26mm mini-cup or push-to-open mechanism, and Heritage uses exposed barrel hinges. The drawer box matters too - Classic and Heritage run solid wood sides with dovetail joinery, while Metro uses metal-sided Blum Tandem boxes with melamine bottoms. If you’re matching a failed component, we need the box depth (standard is 21 inches, but Irvine’s smaller secondary baths often spec 18-inch depths to clear tighter clearances), the finish code (usually a four-digit number on the door’s back face), and whether the original was pre-finished or site-finished. We source OEM CWS parts where the line is still active, and for discontinued finishes we match to quality aftermarket equivalents from KraftMaid or Wellborn - never a guess, always a sample board you approve before we order.
Signs Your CWS Bathroom Remodeling Is Failing

- Door and drawer fronts warping or delaminating. CWS uses a multi-layer conversion varnish on most pre-finished lines, but in Irvine’s dry Santa Ana wind seasons followed by summer humidity spikes, repeated expansion and contraction can break the film at edges. Once moisture reaches the MDF core, the swelling is irreversible and the part needs replacement, not touch-up.
- Soft spots or discoloration at the cabinet base. This usually means the toe-kick or floor of the box took water from a leaking supply line, a failed wax ring, or splash-over from a curbless shower without adequate waterproofing. CWS uses a water-resistant composite on newer lines, but older Heritage boxes are solid wood that wicks moisture straight up the end grain.
- Tile cracking along the shower curb or niche shelves. The waterproofing membrane beneath - often a CWS-recommended liquid-applied system or sheet membrane - may have been improperly lapped at the curb transition. In Irvine, we see this most in homes where the original installer skipped the pre-slope or used a single layer of membrane instead of the manufacturer’s specified two-coat system.
- Vanity top separating from the cabinet box. CWS vanities are built square, but if the subfloor has settled (common in Woodbridge and Northwood where some slabs were poured over expansive clay soils), the box twists and the stone or quartz top loses its silicone bond. The fix isn’t shimming the top; it’s re-leveling the cabinet and replacing any water-damaged gables.
- Hardware failing to stay adjusted. Blum soft-close hinges and undermount slides have a 100,000-cycle rating, but if the original installer didn’t set the depth gauge correctly, the screw holes wallow out in the particle board sides. We see this on quick-flip remodels in the Orchard Hills area, where speed beat torque specs.
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AfterReplacement Cost & What’s Included
| Scope | Price Range in Irvine |
|---|---|
| CWS vanity cabinet replacement (single, stock size) | $800-$3,000 |
| CWS vanity + stone/quartz top + undermount sink | $2,500-$6,500 |
| Full bathroom remodel with CWS cabinetry | $9,000-$28,000 |
| Shower rebuild with waterproofing and tile | $4,500-$12,000 |
| Tub-to-shower conversion | $3,500-$10,000 |
What drives the spread: box construction (particle board vs. plywood), finish grade (standard paint vs. glazed or distressed), countertop material (Cambria quartz runs higher than Silestone, which runs higher than cultured marble), and whether we’re moving plumbing or electrical. Every quote we write breaks out parts, labor, and permit costs separately - no lump-sum mystery. Under Clause 1 of The Haven Standard, that written price is locked before anyone picks up a tool; no change order gets executed without your signature and a revised total. Our 365-Day Done Right Promise covers the installation and workmanship, and manufacturer warranties on CWS, Blum, or quartz products run in parallel.
DIY or Call Us?

There’s a safe middle ground and a hard stop. An owner can verify the model number, photograph the failed area, and check for active leaks at supply stops and the toilet flange - that’s useful intelligence that speeds our diagnosis. But once you’re looking at removing a vanity tied into wall plumbing, cutting back tile to expose a failed membrane, or adjusting electrical for a relocated medicine cabinet, you’re in permit territory. Irvine requires a plumbing permit for fixture relocation and an electrical permit for any new circuit or GFCI protection modification; the city also inspects shower waterproofing before tile cover. We’ve had crews red-tagged in Quail Hill because a homeowner’s DIY membrane didn’t meet ICC-ESR approval. If the scope involves water, 120-volt power, or structural modification, we recommend a professional - not because we’re protective of the work, but because the cost of a failed inspection or water damage claim exceeds the labor you might save. Call (657) 227-2502 and we’ll scope it in person, with a written price before you commit.
FAQs
A properly installed CWS bath with quality fixtures should function for 20-30 years, though finishes and hardware may need attention at 10-15 years in coastal California’s humidity cycle. Call (657) 227-2502 for an exact quote on refreshing yours - estimates are free.
Surface damage like chipped paint or loose hinges is repairable; delaminated doors, swollen boxes, or failed drawer boxes need replacement because the substrate is compromised. We assess in person and tell you which side of that line you’re on. Call (657) 227-2502 to schedule a look - estimates are free.
A straightforward swap of vanity, top, and fixtures runs 3-5 working days; a full gut with shower rebuild, tile, and relocated plumbing runs 2-4 weeks depending on Irvine permit inspection scheduling. We build that timeline into the written scope so you know before we start. Call (657) 227-2502 for a project-specific schedule - estimates are free.
We carry common Blum hinge and slide hardware, silicone and sealants rated for wet locations, and moisture-resistant plywood for field repairs. CWS cabinet boxes and finished doors are ordered to your spec after we measure and you approve the sample - we don’t guess at finishes or dimensions. Call (657) 227-2502 to start that process - estimates are free.
Rowan Construction Group Irvine is an independent service provider and is not affiliated with CWS, KraftMaid, Cambria, or Silestone. We source parts based on compatibility, availability, and what we’d install in our own properties.
Measure twice, build it once, write it down. That’s how we’ve kept projects within a few percent of the agreed price across 4,000-plus jobs since 2007.
Written by Grant Rowan, Owner, Rowan Construction Group Irvine at Rowan Construction Group Irvine, serving Irvine and nearby areas.







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