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 Los Angeles
A patio door replacement in Los Angeles typically runs $1,800 to $5,400 installed, depending on the door’s width, glass package, and design-pressure rating. Most single-panel sliding or French patio door swaps in LA take one to two working days once the door is on site and permits clear. The number that actually controls your price is the wind-load and solar-heat spec for your specific block, and we’ll show you exactly how that number is calculated before you sign anything. Call (817) 686-2228 and we’ll start with a written, line-item price for your address.

Meridian Windows & Doors runs a Los Angeles office that coordinates scheduling and dispatch for crews working across the city. We know which LA lots catch the Santa Ana winds off the 405 corridor and which inland pockets barely see a breeze. That local read is what keeps a door from being under-spec’d or over-priced.
Why Meridian Windows & Doors Is Los Angeles’s Preferred Patio Door Installation Company
Los Angeles homeowners keep calling us because the first conversation is about their house, not a sales script. We walk through the doorway’s exposure, the jamb condition, the threshold height, and the glass package before we ever quote a number. A meridian is a fixed line you measure everything against, and that is how we run every install in Los Angeles.
Our Patio Door Installation team works under The Garrison Code: show up at the time written on the work order, protect the floor and the wall around the opening, cut the drywall clean, flash the opening correctly, and haul off the old door and hardware. No exceptions, no excuses. Every job gets a written price before any work starts and a 365-Day Done Right Promise. If the installation fails within that year, we come back at no charge. That guarantee is in writing on every Los Angeles project.
Every technician who walks through your door in Los Angeles is background-checked and in uniform. You will know who is on your property and why they are there. And when you call with a question at 9 a.m. or 11 p.m., a live person answers the phone. No voicemail loop, no callback request.
Patio Door Repair in Los Angeles
Patio Door Repair in Los Angeles usually means a roller swap, track realignment, latch adjustment, or weather seal replacement, and most jobs run $180 to $540 depending on whether the door is aluminum or vinyl and how seized the hardware is. A patio door that drags, sticks, or lets a draft through is not just an annoyance. On a Los Angeles lot where the afternoon sun hits glass hard, a door that does not seal is quietly driving up the cooling load in that room.
Roller and Track Service
The most common call we get from LA homeowners is a slider that feels like it weighs three hundred pounds. Old steel rollers pit and seize, especially in coastal neighborhoods where salt air works on metal. We haul the panel, replace the rollers, clean and align the track, and reset the door so it glides with one hand.
Weather Seal and Threshold Repair
Worn weatherstripping and flattened thresholds show up fast when the winter rains come through Los Angeles. Water sits at the sill and works into the subfloor. We replace the seal, check the threshold height against current code, and re-caulk the exterior flange so the next storm stays outside.
Sliding Door Repair in Los Angeles
Sliding Door Repair in Los Angeles is a job we see weekly in the older ranch and mid-century tracts that run from the SFV down through the Westside. These doors were installed when clear single-pane glass was standard, and the frames are now decades into corrosion. Typical sliding door repairs here run $200 to $600 for hardware and alignment work, and $900 to $2,200 when the jamb or threshold needs full replacement.
Latch and Lock Replacement
A slider that does not latch is a security problem, not a comfort problem. Los Angeles homeowners want the door locked and the mortise or deadbolt seated correctly. We stock replacement latches and lock assemblies for the common track profiles on mid-century and 1980s-built LA homes, so the fix is often same-visit.
Jamb Repair and Re-Insulation
When the original aluminum jamb rots or pulls away from the framing, a new roller will not solve anything. We cut back the damaged section, shim and re-anchor the jamb, and insulate the cavity before resetting the track. This is the repair that turns a drafty slider back into a sealed opening.

Trusted Brands We Service in Los Angeles
We are authorized to install and replace patio doors from three lines that fit Los Angeles conditions well: CGI for impact-rated products on wind-exposed lots, ES Windows for thermally broken aluminum with strong design-pressure ratings, and Therma-Tru for fiberglass and steel door systems that hold up in dry heat and coastal air. We keep common Los Angeles hardware and glazing components in local stock, so repair turnaround on a dropped jamb or seized roller does not stall while a part ships across the country.
Common Patio Door Installation Problems We See in Los Angeles Homes
- Doors spec’d without a design-pressure conversation. A door that clears code in a mild inland pocket can fail inspection or perform poorly on an exposed hillside or Valley lot. The wind-load number changes block by block, and a contractor who skips that step is guessing with your money.
- Corroded aluminum jambs on mid-century homes. LA’s housing stock is heavy with 1950s and 1960s construction, and the original aluminum jamb and sash hardware is often pitted and seized. A crew that does not plan for full jamb repair will change the scope mid-job, and your straightforward replacement becomes a re-frame.
- Wrong glass for the climate zone. Los Angeles splits between coastal zones that require low solar-heat-gain glass and inland zones where the priority is heat rejection without darkening the room. A crew that specs one glass package for every job is leaving comfort or cost on the table.
- Permit documentation that stalls final inspection. LA building and safety requires the right permit and inspection before sign-off. A door delivered without the correct product approval or impact documentation for the specified assembly stops the final in its tracks.
We replaced a failed sliding patio door in a 1962 ranch house in Sherman Oaks. The original aluminum jamb and sash were pitted and the rollers seized, so we spec’d a new Therma-Tru impact-rated glazing unit with a laminated glass interlayer and a low-E insulated glass unit matched to the doorway’s design pressure. We re-flashed the jamb, brought the threshold to current code, and the homeowner noticed the room running noticeably cooler the first afternoon, because the old clear glass had been dumping heat into the house.
Pricing for Patio Door Installation in Los Angeles, CA
Here are honest numbers for the Los Angeles market. A standard 60-inch vinyl sliding patio door, installed, runs $1,800 to $2,800. A French two-panel swing door runs $2,500 to $4,500 installed. Impact-rated sliding doors for wind-exposed Valley or hillside lots run $4,200 to $7,500 depending on the glazing package and design-pressure rating. Jamb repair, threshold replacement, stucco or drywall patching around the opening, and permit fees are line items on the written quote, not surprises after the work starts. The price goes on paper before any work begins, and it does not move at the door. Call (817) 686-2228 for a free estimate on your Los Angeles patio door.
We Also Serve Cities Near Los Angeles
Our Los Angeles crews also cover Huntington Park, South Gate, Bell, and Maywood for patio door service. If you are in one of those cities, the same written pricing and 365-day guarantee apply. Find more detail on our Patio Door Installation in Los Angeles hub, or call the office directly.
Serving Los Angeles, CA - Our Local Coverage Area
We’re based in the Los Angeles 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 Los Angeles
Yes, a patio door replacement that changes the opening or involves structural framing work requires an LA building and safety permit. A same-size door swap typically qualifies as a repair that may not require a full permit, but the door still needs to meet current code for the opening’s design pressure. We will tell you exactly which path applies to your address before the project starts. Call (817) 686-2228 and we’ll check your permit requirements as part of the free estimate.
Your exposure to the Santa Ana wind corridors is the main driver. Los Angeles is a mixed-climate jurisdiction: coastal neighborhoods trigger low solar-heat-gain glass requirements, while the San Fernando Valley and hillside areas push doors into higher design-pressure and wind-load ratings that a neighboring city like Glendale would not trigger on the same job. We calculate the spec from your specific street, not a citywide average. Call (817) 686-2228 for a door that is sized to your actual exposure.
It depends on your block. On an exposed hillside or a Valley lot that catches the Santa Ana winds, impact-rated glazing with a laminated interlayer is often the safest and most code-appropriate choice. In a sheltered inland pocket, you may be able to spec a standard insulated unit at a lower price. We show you the glass options and the cost difference in writing before you decide. Call (817) 686-2228 to get both price points for your door.
Most same-size patio door replacements in Los Angeles take one to two working days once the door is on site and the permit clears. Jamb repair, threshold replacement, or stucco patching adds time, and we put the full calendar on the written work order before the first day. No change orders, no surprise second week. Call (817) 686-2228 and we’ll give you a realistic schedule for your specific opening.
If the framing inside the wall is rotten or the jamb has pulled away from the studs, that is hidden damage a visual quote cannot always catch. We write the quote to include the work we can see, and we stop and show you a photo and a price before doing any work beyond the original scope. The final number never moves without your sign-off. Call (817) 686-2228 for a written, itemized estimate you can hold us to.
Get Your Los Angeles Patio Door Scoped and Priced in Writing
If you are considering a patio door replacement or repair in Los Angeles, start with a free estimate that names every line item: door, glass, hardware, flashing, jamb repair, threshold, permit, and haul-off. The number will not change at the door, and the work is covered in writing for 365 days. Call (817) 686-2228 to schedule yours.
Written by Elliot Vance, Owner at Meridian Windows & Doors, serving Los Angeles since 2009.










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