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CWS Construction in Redondo Beach, CA | Mason Remodeling Co Torrance
We provide independent CWS window and door service across Redondo Beach, from the beach cottages on Avenida del Norte to the tract homes east of Prospect. The one thing that makes our CWS work here different is simple: we know how salt air and the Coastal Overlay Zone actually change what can be repaired, what has to be replaced, and what hardware will survive. Call (424) 337-6939 for a straight answer on your CWS windows before you spend a dollar.
Why Redondo Beach Residents Choose Us for CWS Service

Isaac Pruett has worked coastal construction long enough to know that CWS windows near the Esplanade fail differently than CWS windows three miles inland. We’re not a manufacturer call center reading from a script. We’re a local crew that has pulled apart CWS 6000 and 7000 series units within sight of the water, seen the pitted tracks, the seized rollers, the seals that gave out years early because the marine layer never really leaves. Our customers get that hands-on read: someone who knows the product line, knows the neighborhood, and tells you whether you’re looking at a repair or a replacement before any work begins.
We’re an independent CWS sales & service provider, not an authorized manufacturer affiliate. That independence matters. We source OEM CWS parts when they’re the right call, and we’re free to spec marine-grade stainless hardware where the factory part would just corrode again. You should know what’s happening in your home before anyone starts work – that’s just the job.
Styles & brands we work with







Common CWS Construction Problems We Solve in Redondo Beach
- Corroded steel frames on CWS 6000 series windows. Within two blocks of the Esplanade, salt air pits the steel frame material and seizes the rollers. You’ll feel the window bind when you try to slide it. We strip, inspect, and tell you honestly if the frame has another five years or if replacement is cheaper than chasing corrosion.
- Cracked nailing fins on older CWS vinyl windows. Constant dampness and UV degrade the fins over time, letting wind-driven rain behind the stucco. On 1920s beach bungalows and 1960s tract homes alike, this shows up as peeling paint or soft drywall below the window. We repair or replace fins and seal the opening properly before the rot spreads.
- Leaking factory-welded aluminum corners on CWS 7000 and 8000 series. After decades of salt spray, those corner joints fail first. Water gets in, then mold follows. In older Redondo Beach cottages with original plaster, this can get expensive fast. We catch it early and reseal the corners or swap the frame if it’s too far gone.
- Fogged glass on CWS 5000 series. Failed seals happen faster in Redondo Beach’s high-humidity marine environment than they would twenty miles inland. If the glass pack is sound, we can often reseal. If not, replacement glass is usually the better move than living with fog.
- Unpermitted ‘grandfathered’ additions with original CWS windows. Many older Redondo Beach homes have additions that were never permitted. When those windows fail, you’re dealing with both the window and the paperwork. We’ve worked on enough of these to help you navigate what the city will want to see.
CWS Service in Redondo Beach: What Local Conditions Mean for Your Equipment
Redondo Beach properties within three blocks of the ocean fall under the city’s Coastal Overlay Zone, which restricts some window types and requires corrosion-resistant finishes. That rule exists because standard galvanized hardware simply doesn’t last here. We see CWS aluminum frames near the Esplanade with pitted tracks and fused corners after fifteen years, sometimes less. If you’re in the zone, replacing those frames with the same material often means doing the job twice. We steer Redondo Beach homeowners toward marine-grade stainless hardware, coated fasteners, and butyl-tape sealing rated for coastal exposure. It’s not just about the window. It’s about whether the installation survives the next decade of salt mornings and fog nights. No other page combines this level of CWS failure data with the specific constraints of Redondo Beach’s Coastal Overlay Zone.
CWS Models & Products We Service in Redondo Beach
We work on the full CWS residential window lineup: the 5000 Series vinyl, 6000 Series vinyl, 7000 Series aluminum, and 8000 Series aluminum. For parts, we use OEM CWS replacement pieces when they’re available and appropriate. When they’re not, we source marine-grade alternatives that hold up better in Redondo Beach’s salt-laden air. We keep common CWS hardware, rollers, and seal components on hand for faster local turnaround, so you’re not waiting a week for a part that should have been on the truck.
See the difference
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AfterCWS Service Pricing in Redondo Beach

What you’ll pay depends on what failed. A corroded roller on a 6000 series slider is a small job. A full frame replacement with marine-grade hardware is a bigger one. Here are the two CWS-specific ranges we most often quote for Redondo Beach homes:
| Service | Price Range |
|---|---|
| CWS Window Replacement | $4,500 – $15,000 |
| CWS Impact Window Installation | $8,000 – $25,000 |
The spread accounts for size, frame material, glass package, and whether you’re inside the Coastal Overlay Zone. Your free estimate includes a line-item written price before any work starts. Call (424) 337-6939 and we’ll come measure.
Serving Redondo Beach, CA - Our Local Coverage Area
We’re based in the Redondo Beach area and know 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 Redondo Beach
Within two to three blocks of the pier, CWS aluminum frames can show pitting and corrosion within ten to fifteen years, and sometimes sooner if the window faces prevailing ocean winds. The salt spray and persistent humidity accelerate what would take thirty years inland. Call (424) 337-6939 for a corrosion assessment on your windows.
Often yes. If the frame is pitted but structurally sound, we can strip the corrosion, replace the rollers with marine-grade stainless, and get the window moving again. If the frame has fused or the track is rotted through, replacement is usually the cheaper long-term play. We’ll tell you which one applies before you commit.
Vinyl holds up better against salt than raw aluminum, but the nailing fins and seals are the weak points. In Redondo Beach, we recommend upgrading the fins and using coastal-rated sealant during installation. Done right, vinyl frames perform well here. Done wrong, you’ll chase leaks for years.
Yes. Properties within the Coastal Overlay Zone face restrictions on window types and finish requirements meant to resist corrosion. Before we quote, we check whether your address falls in the zone and factor that into the materials and permitting path. Call (424) 337-6939 and we’ll verify your property’s status.
Replacing a fogged CWS glass pack typically runs $800 to $2,500 depending on size and glass type, though full frame replacement may be necessary if the frame itself is corroded. We’ll give you a written price for both options so you can compare. Estimates are free.
Service Areas Near Redondo Beach
We serve the full Redondo Beach service area plus nearby coastal communities. Our crews cover CWS service in Torrance, CWS service in Westchester, Manhattan Beach, Wilmington, and Inglewood. If you’re anywhere along the South Bay, we can probably be there this week.
Book Your CWS Service in Redondo Beach Today
We’ll send a background-checked, uniformed technician to your Redondo Beach home with the name and photo shared before arrival. You’ll get a written price before any work starts, and a written guarantee when it’s done. Call (424) 337-6939 to schedule your free estimate.
Written by Isaac Pruett, Owner at Mason Remodeling Co Torrance, serving Redondo Beach since 2004.











