Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom Windows & Doors Across Moraga
Moraga Window Replacement and door projects run $3,800-$18,000 on most single-family ranch homes, with the final figure set by glass type, frame material, and whether the opening sits in Cal Fire’s High Fire Hazard Severity Zone. Nearly every home in Moraga’s 94556 zip code falls under that designation, which means a standard window swap is rarely standard. TruePane has been doing this work long enough to know the difference between a pocket insert and a code-mandated full frame-out before we measure the first opening. If you’re on a tight lot off Moraga Road or up in Sanders Ranch, call (888) 635-0804 and we’ll walk the project with you on paper first.
Why TruePane Windows & Doors Is the Custom Windows & Doors Company Moraga Homeowners Trust
We’ve worked Moraga long enough to know its houses the way a mechanic knows a particular make of car. The 1960s and 1970s ranches along Camino Pablo and up toward Donald Drive were framed with materials that haven’t aged gracefully, and the valley’s damp mornings followed by 100-degree afternoons finish what time started. Homeowners here aren’t looking for a national chain. They want a company that knows their street, their setback, and their inspector. Our crews have set Moraga Door Installation and custom windows on cul-de-sacs, steep lots above St. Mary’s College, and shaded pockets off Rheem Boulevard where the fog lingers an hour longer than it does two miles east.
TruePane operates under Custom Windows & Doors in Moraga with a simple rule on the whiteboard: if the pane is not true, the job is not done. Dale Kessler founded the company on that line in 2008, and it still governs every install. A live person answers the phone 24 hours a day, seven days a week. Not a call center. Not a callback form. We register both warranty layers in writing before the truck leaves the driveway, and we stand behind the workmanship for 90 days with no paperwork fights.
Our Custom Windows & Doors Services in Moraga
Custom Shape Windows
Moraga ranch homes weren’t built with ordinary rectangles everywhere. Arched transoms over front doors, octagonal vents in gable ends, round windows in stairwells. None of these are off-the-shelf. Our Custom Windows & Doors team orders shape windows from manufacturer templates matched to the actual rough opening, not approximated from a photo. Before we order, we confirm the glass type against Chapter R337. Standard annealed panes will fail a Moraga building inspector’s fire-zone check. We don’t let that happen.

Oversized Glass Panels
Picture windows facing the hills or sliding glass walls opening onto a back deck often need glass too large for a standard panel truck. On Moraga’s narrow residential streets, getting a lift or crane into position takes planning. We check the neighbor’s parking permit situation, the utility line clearance, and the driveway slope before we schedule anything. The panel itself gets specified with heat-strengthened or tempered glass as the fire code requires, and we set it with flashing tape that will not peel under Moraga’s wet-dry cycles.

Architectural Grilles & SDLs
Mid-century ranch and California traditional homes in Moraga look wrong without grilles. True divided light bars, simulated divided lites, and exterior snap-in profiles all read differently from the curb. We quote manufacturer lines side by side on paper so you can see exactly what the profile width, the profile material, and the glass spacer bar will look like from the street. If we’re replacing a window on a house with existing divided lites, we match the muntin width to the neighbor window, not to whatever template is convenient.

Commercial Storefront Glazing
Moraga has a small retail core along Moraga Road and Rheem Boulevard, and storefront glass takes a beating from the afternoon heat reflecting off the asphalt. We replace fractured or fogged storefront units with the correct tempered glass and structural glazing tape, usually in one visit. Business owners call because their Impact Windows & Doors - Moraga unit failed. We get it measured, ordered, and set so the storefront is not boarded up any longer than it has to be.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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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, including PGT, CGI, and CWS. We stock gaskets, rollers, and sealing tape for these lines locally, so a sash replacement or a reglaze in Moraga doesn’t wait on a three-week freight order from the Midwest. We register both warranty layers in writing before the truck leaves your driveway. If the frame fails or the seal fogs in five years, you call us, not a 1-800 number that bounces you between departments.
Common Custom Windows & Doors Problems We See in Moraga Homes
- Rotted original jambs under a pocket insert. Moraga’s cool damp mornings soak into 50-year-old wood sill plates, and by mid-summer the rot is structural. We can’t pocket-insert into a failed jamb. We tear out the old sill plate, frame out the opening square, and set the new window with a sill pan that drains properly.
- Custom shaped windows ordered with the wrong glass. A round or arched window ordered with standard annealed glass will fail the fire-zone inspection every time. We confirm HFHSZ-compliant tempered glass at the order stage, not the walkthrough stage.
- Sliding glass doors that were never designed for Moraga’s thermal swings. The 1970s aluminum-frame sliders are single-pane and thermally hopeless. Original seals fail after a few years of 40-degree overnight lows following 100-degree afternoons, and then the glass fogs permanently. We replace the full assembly with a multi-pane tempered unit in a fusion-welded frame.
- Oversized panel deliveries that can’t reach the house. On cul-de-sac lots and steep driveways, a standard delivery truck or crane can’t always get within lift reach. We send a site survey crew before ordering the glass so the delivery is scheduled for a morning window with the right lane clearance. Better to wait two days for the right truck than to park a panel in the street overnight.
Pricing for Custom Windows & Doors in Moraga, CA
Custom shaped windows in Moraga typically run $1,800-$6,500 per opening, depending on the arc, the frame material, and the glass spec. Oversized fixed panels start around $2,200 and climb to $9,000 or more for multi-panel sliding walls with tempered low-E glass. Architectural grilles add $180-$600 per sash. Full frame-out replacements on a ranch home with rotted jambs generally cost 40-60% more than pocket inserts because we’re rebuilding the opening, not just sliding in a new sash. Fire-zone compliance adds about 15-25% to the glass package because the tempered multi-pane units simply cost more than annealed glass. We quote line items on paper before you commit. No surprises on the bill. Call (888) 635-0804 for a free estimate, and we’ll give you a written number with both warranty layers stated.
We Also Serve Cities Near Moraga
TruePane serves Moraga and the surrounding Lamorinda and East Bay communities including Orinda, Walnut Creek, Lafayette, and Alamo. If you’re not sure whether we cover your street, call (888) 635-0804 and ask. A live person answers.
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 - Custom Windows & Doors in Moraga
No. If your home is in Moraga’s HFHSZ, which covers nearly the entire town, California’s Chapter R337 requires multi-pane tempered glass in a fire-rated frame assembly. A single-pane glass replacement would fail inspection and would not meet the current code. Call (888) 635-0804 for a free estimate that accounts for the full code-compliant assembly, not just the glass.
Yes, in most cases. Because Moraga sits almost entirely within Cal Fire’s High or Very High Fire Hazard Severity Zone, any replacement window in an external wall is required to meet Chapter R337 standards, which means multi-pane tempered glass, not standard annealed glass. We specify this at the quote stage so the inspector signs off on the first visit.
It typically adds 15-25% to the glass package because the tempered multi-pane units specified under Chapter R337 cost more than annealed glass. A simple double-hung that might run $1,200 in a flatland city will run $1,500-$1,800 in Moraga when the fire-rated glazing and the correct frame assembly are included. Call (888) 635-0804 for an exact written quote.
Yes. We’ve done this on Moraga lots where the side yard is barely wide enough for a ladder. We coordinate a party-wall notice with the adjacent owner before cutting out the old sill plate, we stage materials on the street or in the driveway, not on the neighbor’s property, and we keep the work zone clean at the end of every day. The quote includes access planning, so there’s no mid-project surprise.
Yes. Any window replacement in Moraga that changes the rough opening or involves a fire-zone compliance upgrade requires a permit from the town building department. A straight swap of the same size and type may not, but a custom shape window almost always does. We pull the permit, coordinate the inspection, and hand you a signed-off permit at the end. Call (888) 635-0804 and we’ll tell you what your specific project requires.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Moraga with custom window and door installations that meet California’s fire-zone code the first time.



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