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 Gardena
Patio door installation in Gardena typically runs $1,800 to $4,600 for a full replacement, depending on the door size, glass package, and what we find inside the wall when the old unit comes out. Most Gardena jobs take one full day for a drop-in swap and up to two days when reframing is required. Call (817) 686-2228 for a written, line-item quote before any work starts.

We are Meridian Windows & Doors, part of the Garrison Partners network and held to The Garrison Standard since 2009. Our crews know Gardena’s housing stock: 1940s-50s tract homes off Rosecrans, newer infill near the 405, and plenty of two-story builds that have never had their original aluminum sliders touched. That matters. A patio door is a hole in the side of your house, and doing it wrong in a coastal climate means water intrusion, warped tracks, and a second bill in a year. Our Patio Door Installation team is led by Elliot Vance and built around one simple commitment: price on paper, work in writing, done right or we return at no charge for a full year.
Why Meridian Windows & Doors Is Gardena’s Preferred Patio Door Installation Company
Gardena homeowners keep calling us for one reason: the quote we hand over is the quote they pay. No change orders at the door, no “we found something” upsell mid-tear-out. Every job starts with a written scope that lists the door, the glass package, fasteners, flashing, sill pan, trim, haul-away, and disposal. If a hidden condition surfaces, we document it, price it as a separate line item, and get sign-off before touching it.
Customers across Gardena, from the neighborhoods off Vermont Avenue to the blocks near El Camino College, keep telling us the same things: the crew showed up on time, the work area was covered and cleaned, and the written 365-Day Done Right Promise meant something. That promise is not marketing copy. It states that if a patio door installation fails within one year, we come back and fix it at no charge. We also answer the phone with a real person, 24 hours a day, every day. No voicemail tree, no callback tomorrow.
Elliot Vance runs every Gardena install the same way the Garrison Partners crews have since 2009: background-checked technicians in uniform, the right tools on the truck the first day, and a walk-through at the end where we show you what we did and why.
Sliding Door Repair in Gardena
Sliding door repair in Gardena is often the right call when the door is structurally sound but no longer moves the way it should. We see this constantly in the older tract homes around 168th Street and Normandie Avenue: rollers that have flattened, tracks that have corroded from years of sprinkler overspray, and locking hardware that has simply worn out. A full replacement is not always necessary.
Typical sliding door repair in Gardena runs $220 to $600, covering roller replacement, track cleaning and lubrication, lock adjustment, and weatherstripping. If the track itself is damaged, replacement costs $450 to $900 depending on length and material. We stock track, rollers, and hardware for most major brands, so most repairs are completed in a single visit.
Track corrosion and drainage checks
Gardena’s mild coastal air carries salt that eats at exposed aluminum track over two to three decades. When we service a slider in Gardena, we always inspect the sill pan and drainage path, not just the rollers. A track that looks fine on the surface can be hiding a compromised sill pan beneath, directing water into the subfloor instead of out the weep holes.
Hardware and lock replacement
Older patio doors in Gardena often have locks that no longer align, especially on homes where the foundation has settled and the door frame is slightly out of square. We adjust strike plates, shim hinges, and replace worn handle sets so the door latches securely again. This is a same-visit fix in most cases.
Patio Door Replacement in Gardena
Patio door replacement in Gardena is the right decision when the frame is damaged, the glass is single-pane and failing, or you are tired of the draft and street noise that an aging aluminum slider lets through. Full replacement runs $1,800 to $4,600 installed, with mid-range vinyl sliders with low-E insulated glass landing between $2,400 and $3,200 for standard 60×80 units at most Gardena homes.
Gardena’s housing stock makes this more complicated than a simple swap. Many homes built in the 1940s and 50s have rough openings that are out of square, framed with old growth lumber that moved over seven decades. A drop-in replacement priced without an opening inspection is a change order waiting to happen. We open the wall before we finalize the bid, so the number we put on paper already accounts for what is actually in your wall.

What happens during tear-out
The old door comes out, the rough opening gets measured, and we check for dry rot, termite damage, and squareness before the new unit goes in. On the 1990s-era sliders common in Gardena’s later builds, we routinely find corroded tracks and dry-rotted jambs beneath the sill. We cut out the rot, sister the jamb, repair the sill pan, and then set the new door on a proper drainage plane.
What the new door includes
A standard Meridian patio door replacement in Gardena includes the door slab, frame, rollers, handle set, low-E insulated glass, new aluminum sill, interior and exterior trim, insulation around the rough opening, flashing tape, and haul-away of the old unit. We use doors from CWS, ES Windows, and CGI, specced for Southern California’s climate rather than a one-size-fits-all stock door.
Trusted Brands We Service in Gardena
Our Gardena crews are authorized to install and service patio doors from eight manufacturer lines, including CGI, CWS, ES Windows, and ECO Window Systems. We are not tied to one brand, which means the door we recommend is the one that fits your opening, your exposure, and your budget, not the one sitting in our warehouse. For Gardena homeowners dealing with street noise from Rosecrans Avenue or Artesia Boulevard, we often spec a CWS slider with laminated glass. For west-facing doors that catch the afternoon heat, an ES Windows unit with a low SHGC coating keeps the room cooler without resorting to heavy tint. We keep common parts and hardware for all major brands in our Los Angeles area inventory, so repairs and adjustments do not wait on a shipment from the manufacturer.
Common Patio Door Installation Problems We See in Gardena Homes
- Out-of-square rough openings on 1950s raised foundations. Homes in the older Gardena tract neighborhoods have settled over 70 years. The opening measured 71-and-a-half inches at the top and 72-and-a-quarter at the bottom. A stock door will bind. We shim, plane, and sometimes reframe the jamb to square before setting the unit, and that work is priced in the original scope.
- Corroded aluminum tracks ignored at bid time. Sprinkler overspray and coastal air eat aluminum track over two decades. When the old door comes out, the sill pan beneath it is frequently compromised, and the drainage path needs rebuilding. This is a line item generic bids leave out and you discover mid-project. Our written scope flags it before it costs you unplanned money.
- Undersized doors with no design pressure review. Gardena is not in a windborne-debris zone, but the city still enforces California building codes. A contractor who specs a slider without confirming the design pressure rating against the exposure category can fail inspection. We pull the product approval document before we order the door, which means our installs pass the first time.
- Single-pane sliders letting street noise through. Gardena sits between the 405, the 110, and several major surface streets. Single-pane glass does nothing to stop the constant hum. We spec laminated interlayers on patios facing high-traffic roads like Vermont Avenue, and our customers notice the difference within the first week.
Pricing for Patio Door Installation in Gardena, CA
A standard 60×80 sliding patio door replacement in Gardena runs $1,800 to $3,200 for a vinyl frame with low-E insulated glass. A comparably sized French door or bifold patio door runs $3,200 to $4,600. Higher costs come from reframing work on older homes, laminated glass for noise reduction, custom sizing, or upgraded hardware. Repair work on existing sliders runs $220 to $900 depending on whether it is rollers, track, hardware, or a combination.
These are realistic Gardena market ranges, not lowball numbers designed to get a signature. The price we put on paper includes tear-out, disposal, installation, trim, and the written 365-Day Done Right Promise. Call (817) 686-2228 for a free, written estimate specific to your door and your wall.
We Also Serve Cities Near Gardena
Our crews serve Gardena and the surrounding South Bay and South LA communities. We regularly install and repair patio doors in Gardena and the neighboring cities of Lawndale, Hawthorne, Compton, and Torrance. If you are within a short drive of Gardena, call (817) 686-2228 and ask about scheduling a free estimate in your area.
Serving Gardena, CA - Our Local Coverage Area
We’re based in the Gardena 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 Gardena
Yes, a patio door replacement in Gardena requires a building permit because it is an exterior opening that affects the structural integrity and weatherproofing of the home. We pull the permit, schedule the inspection, and are on site when the inspector arrives. Call (817) 686-2228 and ask us about the permitting process for your specific home.
Most patio door installations in Gardena are scheduled one to three weeks from the date you approve the written estimate. The lead time depends on the door’s availability from the manufacturer and whether the city’s permit review is current with their backlog. We give you a realistic calendar on the written scope, not an optimistic date meant to close the sale. Call (817) 686-2228 and we will check current lead times for your specific door.
Most often, the lower quote is a drop-in bid that assumes your rough opening is square and your sill is sound, and neither assumption holds on a 1950s Gardena home. The higher quote reflects reframing, sill pan repair, permitting, and a proper drainage plan that the lower bidder will either skip or add later as a change order. We always spec the full scope on paper before the job starts, so you can compare real numbers, not starting prices. Call (817) 686-2228 for a quote that covers the work listed, start to finish.
Low-E insulated glass is the baseline for every patio door we install in Gardena; it reflects heat while letting light through and cuts cooling costs through the long Southern California season. If your patio faces a busy street like Rosecrans Avenue or the 405, laminated glass reduces noise transmission measurably. For west-facing doors, ask about a lower SHGC coating to keep afternoon heat outside the room. Call (817) 686-2228 and we will walk through the options for your orientation.
Yes, if the frame is structurally sound, we can usually replace the rollers, track, locks, and weatherstripping for $220 to $600. We stock parts for most major brands, so a single visit is often all it takes. Our Gardena crews will tell you plainly whether a repair is worth it or whether replacement is the better long-term call. Call (817) 686-2228 and we can assess the door during a free visit.
Written by Elliot Vance, Owner at Meridian Windows & Doors. A meridian is a fixed line you measure everything against. That is what the name means and how we run every install in Gardena.










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