Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Patio Door Installation Across Torrance
Patio door installation in Torrance is a job that rewards doing it right the first time. The marine layer, the salt air, the building codes, the older housing stock near the coast: all of it means a patio door that works beautifully in Redondo Beach might be the wrong door for your Torrance home. In most Torrance houses, a new patio door runs between $1,800 and $4,200 installed. A full replacement with a premium low-E insulated unit, new flashing, and permit work lands in the $3,500 to $6,500 range. We’re Meridian Windows & Doors, and our crews serve Torrance neighborhoods from Hollywood Riviera to Southwood every week. If you’re ready for a written price before any work starts, call (817) 686-2228.

Why Meridian Windows & Doors Is Torrance’s Preferred Patio Door Installation Company
Torrance homeowners tend to ask sharper questions than most. They’ve dealt with coastal corrosion, fogged glass, and contractors who quote one number and invoice another. We run our installs under The Garrison Standard, which means the price goes on paper before a single screw turns, and it does not move at the door. The 365-Day Done Right Promise backs every installation in writing. If the door fails within that year, we come back at no charge. No fine print about labor exclusions.
Elliot Vance runs our installation crews, and he holds every tech to The Garrison Code: show up on time, protect the floors, remove the old door and debris, set the new unit square, flash it correctly, and don’t leave until the sill caulk looks like a professional did it. We answer calls with a live person 24 hours a day, every day. When you call about a patio door in Torrance, you’ll speak to someone who can schedule the estimate, not a voicemail loop.
We’re part of the Garrison Partners family, operating to this standard since 2009. Our Los Angeles office coordinates dispatch and scheduling, and our crews serve Torrance locally. That means the team that measures your opening knows the difference between a 1950s Southwood slider and a 1990s tract home off Crenshaw Boulevard. We stock eight manufacturer lines: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. That range matters in Torrance, where the right glass package can mean the difference between a door that lasts fifteen years and one that fails its seal in five.
Patio Door Repair in Torrance
Patio door repair in Torrance is common because the salt-laden air off the Pacific chews through rollers, tracks, and jambs faster than most homeowners expect. When a door sticks, drags, or won’t latch, the cause is usually corrosion on the ocean-facing side. We see it constantly in Hollywood Riviera, where the fog sits heavy in the mornings. Typical patio door repair in Torrance costs between $275 and $650 for roller and track work. If the jamb has rotted and needs rebuilding, that’s a different job: $900 to $1,800 depending on how much of the rough opening has to come out.
Roller and Track Replacement
Sliding patio doors run on rollers that sit inside a metal track. Salt air corrodes the bearing surfaces. The door gets heavy, then it scrapes, then it seizes. We replace the rollers and clean or replace the track, and the door glides like it did when it was new. On many Torrance sliders, the original rollers were cheap stamped steel. We use stainless or thermally broken hardware that holds up against the marine layer.
Jamb and Threshold Rebuilding
When wind-driven rain has been leaking past a failed flashing job, the jamb and sometimes the subfloor rot from the inside out. The homeowner notices a soft spot near the threshold or a door that suddenly won’t square in the frame. We remove the rotted wood, rebuild the rough opening, flash it properly, and reset the door. This is the repair that turns a “quick fix” into a structural job, and it’s why we write a detailed scope before we start.
Sliding Door Repair in Torrance
Sliding door repair in Torrance covers a narrower set of problems than full patio door repair, but the causes are the same: corrosion, failed seals, and worn hardware. Most sliding door repairs in Torrance run $200 to $500. That covers roller replacement, track cleaning, latch adjustment, and weatherstripping. If the insulated glass unit has fogged between the panes, glass replacement runs $450 to $900 for a standard slider, more if the unit is oversized or impact-rated.
Fogged Glass and Failed Seals
Marine-layer condensation between the panes is the signature failure of an aging insulated glass unit. The seal fails, moisture gets in, and the glass clouds permanently. You can’t clean it. The fix is a new IGU, and in Torrance we spec low-E glass with a warm-edge spacer to resist the next ten years of coastal humidity. This is the single most common sliding door repair we perform in Torrance, and it’s one we can usually complete in a single visit once the glass order arrives.

Sticking Doors and Alignment Problems
Over decades, Torrance houses settle. The door that once slid easily now binds at the top corner or won’t reach the latch. Sometimes the remedy is a roller adjustment. Sometimes the frame has racked and the door needs to be pulled and re-set. We measure the opening, check the reveal on all four sides, and tell you what’s actually wrong before we touch a screwdriver. No guesswork, no selling a replacement when a repair will do.
Trusted Brands We Service in Torrance
We install and replace patio doors from the brands Torrance homeowners ask for by name. PGT and CGI make impact-rated options that matter when a winter storm drives rain sideways against your west wall. ViewLux builds clean, modern sliding doors that suit the mid-century and contemporary homes scattered through the South Bay. CWS and Therma-Tru round out the line with solid, thermally efficient options. Because we stock parts for these manufacturers, we can often cut repair turnarounds in half compared to a contractor who has to special-order a roller or a latch from a distributor in Gardena. Your door is measured, priced, and installed by one crew, and every brand we install is covered under the same written 365-day guarantee.
Common Patio Door Installation Problems We See in Torrance Homes
- Salt-air corrosion on sliding mechanisms. The ocean-facing side of a Torrance patio door takes a beating that inland doors never see. Rollers pit, tracks oxidize, and the door binds. Homes west of Hawthorne Boulevard and north of Palos Verdes Boulevard are the worst affected, especially those built before 1990 with original aluminum hardware.
- Failed seals and fogged insulated glass. A Torrance slider that’s been in place for 20 or 30 years has spent thousands of mornings in fog. The seal between the panes fails, condensation forms, and the view goes cloudy. The fix is a new IGU, usually with low-E coating for the west-facing sun.
- Leaks at the rough opening. Older Torrance homes often have patio doors that were set without proper flashing. Rain driven by winter storms intrudes behind the jamb, and by the time the homeowner sees a stain on the interior drywall, the framing is already soft. A proper installation includes a sill pan, flashing tape, and a watertight seal at the threshold.
- Frames racked by settling soil. Torrance sits on varied soil, and homes in the flatlands near the 110 and 405 corridors settle at different rates. A slider that no longer locks or latches may not be a hardware problem. We check the rough opening for square before we order the door.
Pricing for Patio Door Installation in Torrance, CA
A standard sliding patio door replacement in Torrance runs $1,800 to $4,200 installed. That includes the door, the new hardware, flashing, trim work, and the haul-away of the old unit. A premium door, like a PGT or CGI impact-rated slider with low-E insulated glass, typically runs $3,500 to $6,500. If the rough opening needs rebuilding, add $800 to $1,800 depending on how much framing has rotted. Glass-only replacement runs $450 to $900 for a standard slider. Every quote we write is the actual price, on paper, before work starts. It does not change at the door. Call (817) 686-2228 for a free written estimate on your Torrance patio door.
We Also Serve Cities Near Torrance
Our crews regularly work in Torrance and the surrounding South Bay cities, including Lomita, Carson, Lakewood, and Redondo Beach. If you’re outside Torrance but within the South Bay, our Patio Door Installation team can still schedule your estimate and installation without sending you through a call center.
Serving Torrance, CA - Our Local Coverage Area
We’re based in the Torrance 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 About Patio Door Installation in Torrance
Yes. Torrance enforces building permits for patio door replacements when the existing opening is being altered, and the city applies CALGreen energy-code standards to the new door’s glass package. We pull the permit, schedule the inspection, and make sure the door meets the code before we call the job done. If the door is a direct swap into an unchanged opening, the permit situation is simpler, but we check with the City of Torrance building department on every job so there are no surprises later.
The marine layer. Torrance sits in a fog belt, and the salt that rides in on the morning fog lands on every exposed metal surface: tracks, rollers, latches, screws, and the jamb flashing. Over years, the chloride accelerates oxidation. Homes west of Anza Avenue, toward Hollywood Riviera and the coast, see the worst of it. The fix is to use stainless or thermally broken hardware and corrosion-resistant flashing, and that’s what we install on every coastal Torrance job.
Not required, but often worth it. Torrance building code does not mandate impact-rated glazing for residential patio doors the way Miami-Dade County does. But homes on the west-facing slope, especially in Hollywood Riviera, take winter storm winds and wind-driven rain directly. Laminated glass and a stronger frame add real protection, and some Torrance homeowners also choose them for break-in resistance. The incremental cost on a sliding door is usually $300 to $700. We’ll quote both options and let you decide with real numbers in front of you.
A standard sliding patio door replacement in Torrance takes one day for the physical installation. Measure first, order the door, then schedule the install. The total calendar time is usually one to three weeks, depending on the manufacturer’s lead time. What extends the job: a rotted rough opening that has to be rebuilt, permit inspection scheduling with the City of Torrance, and custom-sized doors for older homes where the openings aren’t a standard 60 or 72 inches. We’ll give you a realistic calendar when we write the quote, and we hold to it. Call (817) 686-2228 for a free estimate.
Very little, if the initial quote is honest. Our practice is to strip the old door and inspect the rough opening before we order the new unit. If there’s hidden rot, we document it and tell you the exact dollar figure before any additional work begins. The most common hidden cost in Torrance is rotted framing behind leaking door jambs, typically $800 to $1,800 to repair. You will never see an invoice surprise at the end of the job. The price on paper is the price. Call (817) 686-2228 for a free written estimate on your Torrance patio door.
Written by Elliot Vance, Owner at Meridian Windows & Doors, serving Torrance since 2009.










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