







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CWS Construction in Santa Monica, CA | Penhallow Remodeling Los Angeles
We’re an independent CWS service provider handling construction, fixture replacement, and remodel work across Santa Monica. Most Santa Monica homeowners come to us for one reason: they need CWS work done without losing months to Coastal Zone permitting confusion. We know which Ocean Park and Sunset Park addresses trigger discretionary review, so we often sequence CWS change-outs alongside already-permitted retrofits. Call (213) 277-6578 and we’ll walk you through what your address actually requires.
Our crews work on CWS sales & service jobs from tub-to-shower conversions to fixture swaps in pre-1980 apartment buildings and 1920s-1950s single-family homes. We carry marine-grade replacement hardware because Santa Monica’s salt air chews through standard brass faster than any neighborhood we work in across the Santa Monica service area.
Why Santa Monica Residents Choose Us for CWS Service

We know CWS equipment the way a mechanic knows a specific engine family. Our crews have pulled apart enough CWS Classic Series faucets from 1950s Santa Monica bungalows to recognize a seized cartridge by feel before the handle comes off. Trevor Nash grew up in the Crenshaw district watching his uncle patch drywall and re-frame doorways, then studied construction technology at Los Angeles Trade-Technical College. Two decades of residential and light commercial work across the Basin taught him one habit: give you a number first, then pick up the tools.
That matters in Santa Monica because the permitting layer adds a whole second timeline to every job. We plan around it. We stock OEM CWS cartridges, aerators, and mounting kits locally, and we arrive in uniform, background-checked, with a written price in hand before any work starts. The 365-Day Done Right Promise backs every CWS job we do here.
Styles & brands we work with







Common CWS Construction Problems We Solve in Santa Monica
- Salt-air corrosion on faucet aerators and mounting nuts. The marine layer deposits salt that pits and seizes uncoated brass bodies, especially in homes west of Lincoln Boulevard. We replace corroded CWS hardware with marine-grade aftermarket fasteners that hold up better than the originals.
- Seized hot/cold stems from hard-water scale. Santa Monica’s municipal water runs mineral-heavy, and CWS Classic Series valves from the 50s and 60s are the most common casualties. We can usually free a cartridge, but when the stem itself is scored, replacement beats repair on labor.
- Deteriorating O-rings and cartridge seals. CWS Pro Series faucets in low-rise apartment buildings deal with fog-cooled mornings and warm afternoons, and that daily temperature swing shortens the life of rubber seals. Drips at the base of the spout are usually a cartridge swap, not a full fixture replacement.
- Stripped handle set-screws on CWS Estate Collection fixtures. We see this in Ocean Park and Sunset Park homes where drywall crews during seismic retrofit work have removed and re-tightened handles. A stripped set-screw is a ten-minute fix with the right thread tap, but forced removal without the tap scars the escutcheon.
- Roof vent flashing failures around CWS roof penetration points. Salt air corrodes galvanized flashing at roof vents, and leaks then track down into ceiling cavities near CWS plumbing runs. We replace flashing with marine-grade material and reseal properly, avoiding the repeat-call cycle. Roof work near flashing or penetrations involves height and potentially unstable surfaces. If you see ceiling staining near a vent, call a professional rather than inspecting it from the roof yourself.
CWS Service in Santa Monica: What Local Conditions Mean for Your Equipment

Here’s what most CWS owners in Santa Monica don’t realize until the permit question comes up: a simple fixture replacement in the Coastal Zone can trigger a coastal development permit that, under Santa Monica’s “no net loss” housing policies, lands in discretionary review. That review can add months to a job that would be over-the-counter in Culver City the same week. We learned this the hard way, so now we approach it backward: check the Coastal Zone boundary for your address first, then plan the CWS work around whatever permit cycle you’re already in or will need.
On a 1948 single-family home in Sunset Park, our crew replaced a pitted CWS Classic Series kitchen faucet that had seized from salt-air corrosion. The homeowner was already pulling a coastal development permit for a small kitchen remodel, so we scheduled the CWS swap during the same window to avoid a second review. We installed a new CWS Estate Collection faucet with marine-grade mounting hardware and upgraded the shutoff valves, then the inspector signed off the same day. That’s the sequence that saves Santa Monica homeowners real time.
CWS Models & Products We Service in Santa Monica
We service the CWS Classic Series, CWS Pro Series, and CWS Estate Collection lines across Santa Monica. Classic Series cartridge faucets from the 1950s-1970s show up constantly in the pre-1980 housing stock. Pro Series contractor-grade lavatory and kitchen faucets sit in low-rise apartment buildings throughout the city. Estate Collection brass and ceramic-disc fixtures anchor remodeled Ocean Park and Sunset Park homes.
For parts, we stock OEM CWS cartridges, aerators, and mounting kits locally so turnaround doesn’t wait on a distributor. But we’re honest about when OEM hardware keeps failing: on coastal-zone homes where uncoated brass corrodes every few seasons, we recommend marine-grade aftermarket fasteners and escutcheons instead. For CWS faucets older than about 15 years with pitted brass bodies, we’ll tell you replacement beats repair, because repeated cartridge swaps in salty air cost more than a new marine-rated fixture.
See the difference
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AfterCWS Service Pricing in Santa Monica

What drives CWS pricing in Santa Monica is the permitting layer first, then parts availability. A straightforward fixture swap runs one range. A tub-to-shower conversion tied to a coastal development permit runs another entirely. Here’s what homeowners can expect:
| CWS Service | Typical Range (Labor + Materials) |
|---|---|
| CWS faucet replacement (labor + fixture) | $400 – $1,800 |
| Tub-to-shower conversion with CWS trim | $3,500 – $10,000 |
| Roof repair around CWS vent flashing | $400 – $1,800 |
| Kitchen remodel including CWS fixture | $14,000 – $45,000 |
Every estimate is a written number, not a verbal ballpark. We walk the job, account for the permit reality at your specific address, and hand you a fixed scope. The number on day one is the number on the invoice. Call (213) 277-6578 for an exact quote – estimates are free.
Serving Santa Monica, CA - Our Local Coverage Area
We’re a General Contractor - Santa Monica team that knows this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – CWS Construction in Santa Monica
No, not always. A straightforward fixture swap that doesn’t alter the structure often clears without a coastal development permit, but the trigger depends on your address relative to the Coastal Zone boundary and whether the work is classified as a repair or an improvement. Ocean Park and Sunset Park addresses close to the bluff or beach are the most likely to trigger discretionary review. We check your address against the Coastal Zone map before quoting, so you know on the spot. Call (213) 277-6578 and we’ll run it for you.
Replace it if the brass body is pitted and the faucet is older than about 15 years. Salt-air corrosion doesn’t stop once the surface starts pitting, so you’ll pay for cartridge swaps every few seasons while the housing degrades around them. A new marine-rated fixture with marine-grade mounting hardware costs less over five years than repeated repairs. If the body is sound and it’s only a cartridge issue, repair makes sense.
When a soft-story building or pre-1980 wood-frame structure goes through mandatory seismic retrofit, the work often opens walls and moves plumbing runs. CWS fixtures get removed, re-set, or replaced as part of that sequence. We’re familiar with both the retrofit requirements and how CWS hardware reattaches to retrofitted walls, so we can sequence the fixture work into the already-permitted scope rather than triggering a separate permit cycle.
It will, with the right hardware. Pro Series faucets are contractor-grade and built for repeated use, but the uncoated brass mounting nuts and aerators are the weak points in marine air. We swap those for marine-grade equivalents during installation and the fixture holds up well after that. The leak failures we see are almost always at the seals and mounting hardware, not the valve body itself.
Yes, in most 1950s homes the original copper drain lines are still serviceable and we can tie a CWS shower kit into them without a full drain replacement. What determines feasibility is the condition of the p-trap and whether previous repairs used improper materials. We inspect the drain assembly before quoting, so the scope is written against what’s actually there. Call (213) 277-6578 for a free estimate on your specific setup.
Service Areas Near Santa Monica
We handle CWS construction service across Santa Monica plus nearby neighborhoods. CWS service in Los Angeles covers the Westside and Basin areas. CWS service in Burbank reaches the Valley side. We also work in North Hollywood, Studio City, and West Los Angeles. If you’re a homeowner or property manager in one of these areas, call us and we’ll confirm coverage and scheduling.
Book Your CWS Service in Santa Monica Today
If a CWS fixture is dripping, seized, or scheduled for a remodel in Santa Monica, call (213) 277-6578. We’ll check your address against the Coastal Zone boundary, give you a written price, and set a real arrival window. A live person answers 24/7.
Written by Trevor Nash, Owner at Penhallow Remodeling Los Angeles, serving Santa Monica since 2004.












