Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Round Rock
Window installation in Round Rock runs between $450 and $1,800 per opening for most replacement work, depending on the window style and what we find when the old unit comes out. Most jobs in Round Rock are completed in a single day, and our crews work directly in your neighborhood, not out of some regional dispatch center that’s never seen Gattis School Road at rush hour. If you’re in 78664, 78665, or 78681 and tired of fighting a double-hung that binds in July, call us at (888) 635-0804. We measure twice, quote on paper, and stand behind the work in writing.
Why TruePane Windows & Doors Is Round Rock’s Preferred Window Installation Company
Dale Kessler founded TruePane Windows & Doors in 2008 on a rule he still keeps on the whiteboard: if the pane is not true, the job is not done. That’s not a slogan. It’s the standard our crews work to on every single opening in Round Rock, and it’s why homeowners in Teravista, Brushy Creek, and Old Town keep our number in their phones.
We’re an authorized installer for more than a dozen manufacturer lines, including, and PGT. That matters because when a Round Rock homeowner compares quotes, they should be comparing the same window from the same line with the same warranty terms on paper. We do that side by side. Both warranty layers get registered in writing before the truck leaves your driveway, under what we call The Keystone Standard. No one leaves a TruePane job holding a fogged seal and a voided warranty card.
Every technician who walks through your door is background-checked and uniformed. They treat your home the way they would treat their own mother’s. And when you call, a live person answers. Not a voicemail tree. Not a callback form. A person, 24 hours a day, 7 days a week, who knows Round Rock and can get a crew scheduled.
The Done Right Promise
Every TruePane job in Round Rock is covered by our Done Right Promise. If something isn’t right, we come back and make it right. No paperwork fights, no arguing, no fine print that covers neither. We stand behind the work because we’ve been doing this since 2008 across our service communities, and we plan to be answering the phone in thirty years when a future homeowner calls about a window we installed today.
Our Window Installation Services in Round Rock
Our Window Installation team handles every style of replacement window common in Round Rock’s housing stock, from the double-hungs that dominate 1990s brick-veneer tract homes to the casements and picture windows going into newer builds. Here’s what we install most often across the city:
Single & Double Hung Windows
Double-hung windows are the workhorse of Round Rock’s 1993-2012 housing stock, and they’re the window we replace most often in 78665 and 78681. The builder-grade vinyl units installed during the Dell boom were rarely fusion-welded at the corners, so after 20 to 25 years of Round Rock heat and clay-soil racking, the sashes stress and the seals fail. We replace them with properly welded frames, low-E glass, and argon fill, and we check every rough opening for square before the new unit goes in. In Round Rock, a double-hung replacement typically runs $500 to $1,200 per window.

Casement Windows
Casement windows give Round Rock homeowners the tightest seal against our summer heat, because the sash presses into the frame when it closes. That airtight compression matters in Williamson County, where sustained 100°F days push air conditioners to their limit and any gap in a window frame shows up on the electric bill. Casements also clear the brick-veneer sill profiles common in Round Rock without any awkward trim work. Expect to pay $700 to $1,800 per casement opening with installation.

Fixed & Picture Windows
Fixed and picture windows are common in the two-story brick fronts you see throughout Teravista and other 78681 subdivisions, where large front-facing glass was a builder upgrade. Those big expanses of glass take the full brunt of Round Rock’s UV radiation, and the original dual-pane units from the 1990s and early 2000s are now fogging well short of their rated lifespan. A picture window replacement in Round Rock runs $600 to $1,500 depending on size and whether the original flashing needs correction.

Awning Windows
Awning windows make sense in Round Rock because they let you ventilate during our spring and fall shoulder seasons without leaving a wide opening for rain. They hinge at the top and shed water away from the sill, which helps in a climate where the only heavy downpours we get tend to arrive sideways. In Round Rock, awning window installation typically falls between $550 and $1,400 per unit.

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 Round Rock
We’re an authorized installer for manufacturer lines like Ply Gem, PGT, and CWS, and we quote them side by side on paper so you see exactly what you’re buying. When a Round Rock homeowner needs a specific warranty honored or a sash replaced under manufacturer coverage, we handle that directly with the brand. That’s the benefit of working with a company that carries more than a dozen authorized lines rather than a contractor pulling whatever’s on sale at the local supply house. For Round Rock homeowners, that means warranty work moves faster and there’s no finger-pointing about who’s responsible.
Common Window Installation Problems We See in Round Rock Homes
When we open up walls across Round Rock, the same issues turn up again and again. Here’s what we see most often:
- Undersized or non-structural framing in 1993-2012 tract homes. Round Rock’s Dell-era subdivisions were built fast, and window rough openings frequently lack proper king studs or have cripples nailed where a structural member should be. We find this in roughly half the homes we open up in 78665 and 78681.
- Failed glazing seals from sustained heat and UV. Round Rock’s 100°F-plus summers degrade dual-pane seals far faster than the national average. A window that fogs between the panes after 15 years isn’t a coincidence. It’s our climate doing exactly what it does.
- Racked rough openings from clay soil movement. Williamson County’s shrink-swell clay expands and contracts through every wet-dry cycle, and that movement torques window openings out of square. A new double-hung will bind on the jamb if we don’t check for rack before install.
- Skipped or poorly lapped flashing tape on original installs. Many original tract-home installs from the 1990s cut corners on flashing, so the rare heavy downpour gets water behind the siding and rots the king stud before you ever see a leak. By the time the window looks bad on the inside, the framing damage is already done.
Key Takeaways: Window Installation in Round Rock, TX
- Most replacement windows in Round Rock run $450 to $1,800 per opening based on style and framing condition.
- Homes built between 1993 and 2012 frequently need reframing, not just replacement, due to undersized openings from the Dell-era build boom.
- Round Rock’s clay soils and 100°F+ summers fail seals and rack frames faster than most U.S. markets, so plan for a 15-20 year real-world lifespan on builder-grade vinyl.
- We register both manufacturer warranty layers in writing before leaving your driveway, under The Keystone Standard.
- Call (888) 635-0804 for a free, written estimate. A live person answers, 24/7.
Pricing for Window Installation in Round Rock, TX
A typical single double-hung replacement in Round Rock runs $500 to $1,200 installed. Casement windows run $700 to $1,800. Fixed and picture windows run $600 to $1,500 depending on size. What moves the price in Round Rock specifically is framing condition. If we pull a 2004 double-hung off Gattis School Road and find a missing king stud, the reframe allowance we already wrote into your contract covers it. That’s the difference between a quote that’s honest and a quote that becomes an argument. We write allowances into every Round Rock contract for exactly this reason, and any surprise gets priced and approved in writing before we touch it. Call (888) 635-0804 for a free estimate with real numbers on paper.
What a Round Rock Permit Inspector Will Flag When Your Windows Come Out
If your home in Round Rock was built between 1993 and 2012 as part of the Dell-fueled subdivision boom, there’s a good chance your window rough openings were framed with undersized or non-structural lumber. We’ve opened walls in 78681 homes where a failed double-hung was held in by a cripple nailed to sheathing with no king stud at all. In a 2004 brick-veneer home off Gattis School Road, our crew found exactly that: one side of the opening had no king stud, just a cripple nailed to the sheathing. We re-squared the jamb, sistered a full-height 2×6, flashed the sill with butyl tape, and set a Simonton double-hung with low-E glass and argon fill. The job passed final inspection the same day, because the reframe allowance was already priced into the contract. That’s how we handle every Round Rock job: inspection first, allowances written into the contract, and any surprise priced and approved in writing before we touch it.
This is the information you won’t get from a quote that only accounts for a window in a perfect opening. In Round Rock, a permit inspector will flag undersized headers, missing king studs, and improper flashing on original tract-home installs. We know what they’re going to flag before they flag it, because we’ve been through it on hundreds of Round Rock openings. That’s the standard we quote to, and it’s why our number holds while others climb.
We Also Serve Cities Near Round Rock
Our crews serve Round Rock and the surrounding communities of Pflugerville, Hutto, and Cedar Park. Homeowners in State Board of Insurance and neighboring areas call us for the same reason Round Rock does: a company that answers the phone, shows up on time, and refuses to leave a window out of true. If you’re anywhere in the Round Rock area, call (888) 635-0804 and we’ll get a crew to you.
Serving Round Rock, TX - Our Local Coverage Area
We’re based in the Round Rock 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 - Window Installation in Round Rock
Your dual-pane seals have failed because Round Rock’s prolonged 100°F-plus summers and intense UV radiation break down glazing seals far faster than the 20-30 year lifespan manufacturers rate them for. It’s the same reason we see fogged units across 78665 and 78681 two decades after the Dell boom built all that housing stock. The fix is a full replacement with properly sealed low-E glass, not a seal repair that won’t hold. Call (888) 635-0804 for a free estimate and we’ll show you exactly what a replacement costs in your neighborhood.
Yes, Round Rock requires a permit for window replacement, and here’s what that actually means: when the old unit comes out, the inspector will check the rough opening for proper king studs, header sizing, flashing, and square. In Round Rock’s 1993-2012 tract stock, those checks frequently fail because of the speed at which those neighborhoods were built. We pull the permit, schedule the inspection, and write the reframe allowance into your contract up front so a failed framing check doesn’t become a surprise charge. If you want an exact price for your specific opening, call (888) 635-0804.
Most Round Rock homeowners with original builder-grade vinyl replace them all at once when they’re hitting the 25-year mark, because the seals fail in waves and the replacement per-window cost drops when we batch the labor. The framing work is also more efficient when we handle all the openings in one trip, and that savings shows up in the line-item quote. We’ll give you a per-window price and a whole-home price on paper so you can decide without pressure. Call (888) 635-0804 for both numbers.
Williamson County’s shrink-swell clay loses significant volume during Round Rock’s long dry summers and re-expands after seasonal rains, which makes slab foundations heave and settle repeatedly. That movement torques window rough openings out of square, and a double-hung that sticks in August is almost always a soil-movement issue, not an installation defect. Before we set a new unit, we check the rough opening for rack and correct the framing if needed. Any replacement quote for a Round Rock window has to account for re-squaring the frame first, and ours does. Call (888) 635-0804 and we’ll inspect your opening for free.
The February 2021 hard freeze exposed widespread door-seal failures and frame gaps in Round Rock’s slab-on-grade homes, many of which had never been tested by prolonged sub-freezing temperatures. If your windows let in cold air during that week, the underlying issue is likely failed seals or improper flashing from the original install, and it’s still there now, leaking conditioned air every summer. We fix it with properly sealed replacements and corrected flashing. Call (888) 635-0804 for a free estimate and we’ll tell you exactly what’s behind your gaps.
Round Rock homeowners call us because we measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers before the truck leaves the driveway. We’re not the cheapest bid in the room, and we don’t pretend to be. We’re the last call you need to make on a window. Call (888) 635-0804 today to schedule your free estimate.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Round Rock since 2008.



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