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Fast, Reliable Sliding & Patio Doors Across Moraga
Sliding door replacement in Moraga typically runs $2,800 to $6,400 for a standard 6-foot patio slider, and most Door Installation - Moraga jobs are finished in a single day. The number changes fast when fire code enters the picture. If you own a 1970s ranch off Camino Pablo or a California traditional near Rheem Valley, your old aluminum slider likely fails Cal Fire’s Chapter R337 requirements, which means the replacement is a code-upgrade job, not a simple swap. TruePane handles that reality every week across Moraga. Call (888) 635-0804 for a straight answer and a written quote.
We know Moraga because we work here constantly, not because we punched the zip code into a GPS. Our Sliding & Patio Doors crews understand the valley’s heat trap, the damp mornings that rot sill plates, and the fire-zone paperwork that nobody tells you about until the permit comes back. We serve Moraga from our Bay Area office and dispatch locally trained technicians who know the difference between a Rheem Boulevard tract home and a Hillside Drive custom before they ever park the truck.
Why TruePane Windows & Doors Is Moraga’s Preferred Sliding & Patio Doors Company
We have been installing sliding and patio doors in Moraga long enough to recognize specific houses from the street. Dale Kessler founded TruePane in 2008 on a rule his father taught him: if the pane is not true, the job is not done. That rule applies to every slider, pocket door, and panoramic system we set in Moraga, whether it is a straight swap in a 1972 ranch or a full frame-out on a hillside home where the old jamb has turned to dust.
What sets us apart in Moraga is simple. A live person answers the phone 24 hours a day, seven days a week. You will not get a voicemail tree or a regional call center. You will get someone who can talk through your fire-zone code questions, schedule a measurement visit, and tell you honestly whether you need a roller replacement or a full code-compliant assembly. We show up in uniform, background-checked, and on time. Both manufacturer warranty layers get registered in writing before the truck leaves your driveway, and our Done Right Promise backs the workmanship in plain language.
Moraga homeowners tend to be careful with their money and skeptical of vague promises. That is fine. We quote side by side on paper, walk you through every line item, and keep the price fixed once we agree on scope. No surprise line items, no second visit left hanging, no arguing about what was included.
Our Sliding & Patio Doors Services in Moraga
Patio Sliding Doors
Patio sliders are the workhorse of Moraga’s ranch and California traditional homes. The original aluminum-frame units from the late 1960s and early 1970s are nearly always single-pane, thermally useless, and out of compliance with current fire-hazard replacement codes. We replace them with modern vinyl, aluminum, and wood-clad Custom Windows & Doors - Moraga sliders carrying multi-pane tempered glass and low-E coatings sized for Moraga’s summer heat. A typical 6-foot patio slider replacement in Moraga, including full frame-out and disposal, runs $2,800 to $4,500 depending on glass package and frame material.

Heavy-Duty Sliding Doors
Hillside homes off Canyon Road and down long driveways near Campolindo frequently need sliders built to a heavier spec than the tract original. Wide openings, exposed western sun, and family rooms that open to decks and pools put real stress on rollers and tracks. Heavy-duty sliders from manufacturers like Milgard and Andersen with reinforced frames, stainless hardware, and dual-pane tempered glass run $3,800 to $6,400 in Moraga. We measure the opening twice, check the header for sag, and quote the exact assembly that meets both code and how your family actually uses the door.

Pocket & Barn Doors
Moraga’s original floor plans often placed sliding glass doors where the wall cavity could have held a pocket door, and many homeowners converting dens and bonus rooms ask about pocket and barn configurations. Pocket doors require opening the wall, rebuilding the header, and often relocating rough framing, which runs $2,400 to $4,200 in Moraga depending on wall length and load path. Barn doors, hung on a surface track, are generally a simpler install at $1,800 to $3,200. Both get the same fire-safe glass package and warranty registration as a standard slider.

Screen Door Installation
Moraga’s warm evenings make screen doors functional, not decorative. We install and retrofit sliding screen doors on existing patio sliders and French door openings, commonly on homes along St. Marys Road and Camino Peral where owners want cross-ventilation without bees and yellow jackets in the kitchen. Retractable and rolling screens generally run $500 to $1,400 per opening in Moraga, installed and adjusted to the existing track.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Moraga
TruePane is an authorized installer for more than a dozen manufacturer lines, and for Moraga homeowners we regularly recommend Tuscany vinyl sliders E-Series wood sliders, and CGI and ES Windows for homes needing the strongest fire-rated assemblies. Our techs stock common hardware, rollers, locks, and weatherstripping for these brands in local service vehicles, so a roller replacement or track adjustment on a Milgard or Andersen unit does not wait on a warehouse shipment. We register both warranty layers from the manufacturer in writing and state the duration before we leave. That is The Keystone Standard, and it applies on every Moraga job no matter the brand.
Common Sliding & Patio Doors Problems We See in Moraga Homes
- Warped aluminum tracks from valley heat. Summer highs in Moraga routinely hit 100°F, and original aluminum tracks expand and distort over decades. Doors that bound, jump, or refuse to glide are usually track deformation, not roller failure alone. We often replace the track, rollers, and sill as one assembly.
- Fogged insulated glass in 1980s doors. Sharp day-night temperature swings between Moraga’s hot afternoons and cold radiative nights cause repeated thermal cycling. Older insulated units lose argon, seals fail, and condensation appears inside the glass. Fogged 1980s sliders on homes along Corliss Drive and Sanders Ranch are among our most common service calls.
- Wood rot in sill plates and jambs. Moraga’s cool, damp mornings trap moisture at the bottom of door openings, and in many original ranch homes the sill plate has been quietly rotting for forty years. When we pull the old slider, we often find the jamb needs full frame-out, not a pocket insert. We scope that before finalizing the quote.
- Fire-code non-compliance. Most original Moraga sliders are single-pane aluminum, which does not meet Chapter R337 standards for the High or Very High Fire Hazard Severity Zone that covers nearly all of the town. If the door faces open space, brush, or canyon terrain, the replacement likely requires multi-pane tempered glass and a fire-rated frame assembly. We handle that paperwork and installation end to end.
Pricing for Sliding & Patio Doors in Moraga, CA
Sliding and patio door replacement in Moraga is consistently more involved than in flatland East Bay cities, and the price reflects fire-zone code, not contractor markup. Here are honest ranges we quote in Moraga:
| Door Type | Typical Moraga Range |
|---|---|
| Standard 6-ft patio slider (vinyl, tempered, low-E) | $2,800-$4,500 |
| Heavy-duty slider (reinforced frame, wide opening) | $3,800-$6,400 |
| Pocket door conversion | $2,400-$4,200 |
| Barn door (surface track) | $1,800-$3,200 |
| Screen door (retractable or rolling) | $500-$1,400 |
| Roller/track repair on existing slider | $250-$600 |
Fire-zone compliance adds $200 to $800 on most Moraga replacements over a similar door installed in Walnut Creek or Lafayette, driven by the required tempered glass, fire-rated framing, and county permit review. Homes in the Very High severity zones east of Moraga Way and along Canyon Road face the strictest requirements. Every quote we give is line-by-line on paper, and the price does not move once we agree on scope. Call (888) 635-0804 to schedule a free estimate, and we will walk your opening, check the header, and tell you exactly what the door needs before you spend a dollar.
We Also Serve Cities Near Moraga
Our crews work across the Lamorinda corridor and central Contra Costa County. Besides our regular work in Moraga, we install and service sliding and patio doors in Orinda, Walnut Creek, Lafayette, and Alamo. Each of those towns has its own fire-zone rules, permit quirks, and housing stock, and our techs know the differences. If you are nearby and need a straight quote, call the same number, (888) 635-0804.
Serving Moraga, CA - Our Local Coverage Area
We’re based in the Moraga 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 - Sliding & Patio Doors in Moraga
Yes, in nearly every case. Because almost all of Moraga lies in a Cal Fire High or Very High Fire Hazard Severity Zone, replacement doors must meet Chapter R337, which requires multi-pane tempered glass and fire-rated frame assemblies. A standard single-pane or annealed-glass slider will not pass permit review. Expect the code-compliant package to add $200 to $800 over a non-fire-zone install. Call (888) 635-0804 and we will confirm your specific zone and what it triggers before you buy anything.
Sometimes, but often no. If the track is straight, the frame is square, and the glass is intact, a roller and hardware refresh runs $250 to $600 and can extend the door for years. The problem in Moraga is that decades of valley heat have usually warped the aluminum track and the single-pane glass fails fire code anyway. When we inspect, we will tell you honestly whether a repair is worth doing or whether you are better off investing in a code-compliant replacement. Estimates are free.
Fog between the panes means the insulated glass unit has lost its seal and argon fill. Moraga’s sharp overnight temperature drops, particularly in the colder pockets along the valley floor, cycle the glass and accelerate seal fatigue in older 1980s units. Once the seal fails, cleaning the glass will not help. The fix is replacing the glass unit or the door itself, and we can quote both options after a quick look. Call (888) 635-0804 to book the inspection.
Yes, measurably. Moraga’s summer afternoons routinely push 100°F, and west-facing family rooms with old single-pane sliders absorb that heat directly. A new Window Installation - Moraga low-E double or triple-pane slider with argon fill sharply reduces solar heat gain and stops the afternoon oven effect. Many of our Moraga customers notice the difference within the first hot week. We will quote glass packages with the specific U-factor and solar heat gain coefficient so you can compare on paper before deciding.
Yes. Converting a slider to a hinged French door is a common request on Moraga’s ranch-style homes, particularly when the opening is wide and the original slider is failing. The job requires new framing, threshold, and often header reinforcement, and runs $3,200 to $5,500 in Moraga depending on width and fire-zone requirements. Both doors still need tempered, fire-rated glass. We quote the conversion as a fixed price with the code work included, never as a lowball number that grows once we open the wall. Call (888) 635-0804 to schedule a free measurement.
Building on Acreage Around Moraga Changes the Price. Here Is How.
Many Moraga homes outside the central tract neighborhoods sit on larger lots with long driveways, open space, and terrain that changes how a sliding door job gets scoped. If you live off Canyon Road, along Sanders Ranch, or on a hillside above Camino Peral, your project probably runs through county rather than city permitting, and that triggers additional review steps, especially when the door opening faces open space or brush.
We scope all of this before quoting. Grading and drainage matter on an open lot: if we are replacing a door at grade, we check whether the rough opening needs a raised threshold or drainage pan to keep winter runoff out of the family room. On hillside homes, equipment access and material handling can add labor, because the crew may need to carry a 400-pound tempered glass panel up a slope rather than roll it off a truck. Outbuildings, detached garages, and accessory dwelling units all have their own door openings and their own fire-zone rules. A sliding door on a detached shop that faces a hillside might need a heavier fire rating than the one on the main house. We figure this out at the measurement visit, not after the permit comes back.
The honest take is that acreage homes in Moraga tend to land at the higher end of our price ranges, because material haul, grading work, and county review add real hours. What they do not add is surprises on the final bill. We quote the full scope in writing, and the price does not move unless you change the project.
One more local note. Our techs regularly replace original 1970s aluminum sliding doors on Camino Peral homes with Milgard Tuscany vinyl sliders carrying multi-pane tempered low-E glass and argon fill to meet HFHSZ code, after discovering the old single-pane units had failed seals and rotted jambs from Moraga’s damp-morning, hot-afternoon cycle. That pattern, water at dawn and 100°F by three, is hard on doors. It is why a full frame-out is more common here than anywhere else in Lamorinda.
If you are in Moraga and the slider sticks, the glass is fogged, or you are simply tired of the heat bleeding through an old aluminum door, call (888) 635-0804. We will send someone who knows your street, your fire zone, and your house’s era. The estimate is free. The quote is fixed. And we stand behind it, in writing, with the Done Right Promise.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Moraga and the surrounding Lamorinda corridor since our founding in 2008.



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