Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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AfterFast, Reliable Door Installation Across Cupertino
Door installation in Cupertino typically costs $1,400-$4,800 for an entry door with full frame replacement, depending on whether you’re keeping the original opening or resizing it. Most jobs in Cupertino’s 1950s-1970s ranch homes run two to five days from first measurement to final hardware, assuming the rough opening hasn’t racked from seismic settling. If you’re reading this from a house off Stevens Creek Boulevard or up in Monta Vista, the odds are good your existing door hasn’t been pulled and reset since the Clinton administration. We’re not being dramatic. We measure these openings every week.
Call (509) 265-6387 to schedule a measured survey. You keep the written survey. The quote cannot differ from it. That’s how Sightline Windows & Doors works, and that’s how every one of the 18,000+ openings we’ve touched since 2012 has been handled under the Haven Standard.
Why Sightline Windows & Doors Is Cupertino’s Preferred Door Installation Company
Sightline is independently owned and operated under the Haven Standard, which has governed every installation we’ve completed since 2012. The person who measures your door is the person who writes your scope. The scope is the quote. There is no separate visit, no second crew, no “revised estimate” after the permit review comes back. Cupertino homeowners researching contractors tend to read three-star reviews before they ever call, and the thing they tell us after the first meeting is that they’ve never seen a price put in writing this early. That’s not a compliment we asked for. It’s Haven Clause 1: Have it in writing.
Sonia Raman leads our team, and she’s direct about what will and won’t work in a given opening. If a Monta Vista slider has racked enough that the strike plate won’t seat, she’ll tell you before you spend a dollar, and she’ll show you the frame readings that prove it. Cupertino building inspectors see the same pattern during permitted remodels, and it’s the most common reason homeowners in the western tracts call us for a door-specific estimate before they’ve budgeted a full window project. We coordinate dispatch and scheduling from our San Francisco Bay Area office, and our crews serve Cupertino locally.
Every technician who arrives at a Cupertino job site is background-checked, uniformed, and identified by license number before they ring the bell. That’s Haven Clause 3. And when the job closes, you get a documented photo record, not a summary email. Haven Clause 4: Evidence on every job.
Our Door Installation Services in Cupertino
Entry Doors
A new entry door in Cupertino usually means either replacing a hollow-core original with a solid-core or steel unit, or reworking a 60-year-old wood jamb that has twisted enough to let air pass. Most of what we install in the 95014 ZIP is Therma-Tru or ViewLux product, set into a properly flashed rough opening. In Cupertino’s spring marine layer, a poorly flashed entry replacement will show condensation inside the casing within two seasons. We flash for it the first time.
Hurricane-Proof Front & Entry Doors
“Hurricane-proof” in Cupertino means impact-rated, not hurricane country. But the same lamination that stops windborne debris in Florida also stops a pry bar in Cupertino, and on the west-facing exposures up toward the hills, it cuts solar gain enough that you’ll feel it at the door edge. We specify PGT and CGI impact doors where the opening faces afternoon sun or where security is the stated concern. The frames are heavier, the hardware is not off-the-shelf, and the install is not a one-hour swap.
French & Double Doors
Cupertino’s ranch and split-level homes were built for patio access, and the French door pairs that open off family rooms are among the first things a permitted remodel replaces. The original units are aluminum, single-pane, and in many Monta Vista homes, they no longer lock flush because the surrounding wall has settled a few degrees over decades. We don’t shim and hope. We measure the rack, specify the corrected rough opening, and reset the opening before the new panels go in. Sightline and sill measurements are on the written survey you keep.
Replacement Doors
Most Cupertino replacement door work is not a like-for-like swap. It’s a specification change: moving from a 30-inch swing to a 36-inch outswing for code, or from a slider to a hinged unit where the track has failed. Title 24 energy code applies to every opening that changes product class, and we pull permits and schedule the inspection ourselves. You’ll have a copy of the approved scope before the first tool is lifted.
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.
BeforeAfterTrusted Brands We Service in Cupertino
We work across eight manufacturer lines, but for Cupertino door work, the relevant three are usually ViewLux, PGT, and Therma-Tru. ViewLux for clean-lined modern entries in newer builds. PGT impact-rated frames where security and west-facing heat are both in play. Therma-Tru for traditional fiberglass and steel entries that hold up under repeated heat cycles. We specify by what the opening needs, not by margin. That’s part of the Haven Standard, and it means we’ll tell you when a mid-tier line is the better fit for a door that’s going to see 100°F afternoons.
Common Door Installation Problems We See in Cupertino Homes
- Racked frames from seismic settling: In Monta Vista and the hillside-adjacent tracts, decades of minor seismic movement have shifted door frames just enough that latch bolts no longer seat and rollers drag on their tracks. We measure the rack before quoting, because shimming a racked opening is a temporary fix Cupertino inspectors will flag.
- Marine layer moisture at sills and jambs: Spring mornings bring persistent marine layer that keeps sill assemblies damp long after the sun burns through. If the original flashing is gone or was never there, you’ll see interior condensation at the casing bottom within a couple of seasons. We’d rather show you the photo than have you find the rot.
- Single-pane aluminum sliders at end of life: The dominant Cupertino housing stock, built between the late 1950s and mid-1970s, went up when aluminum was standard. Those sliding glass doors are now 50+ years old, and the U-factor on 95014’s original units is roughly double what Title 24 now requires. Replacement is often a code-driven decision, not a style preference.
- Heat gain on west and south exposures: Cupertino gets genuine heat events topping 100°F, and a west-facing door on an older tract home can act like a radiator at 4 p.m. Solar heat gain coefficient matters here, and we read SHGC ratings before we recommend a product, because not every line performs the same at Cupertino’s afternoon temperatures.
Pricing for Door Installation in Cupertino, CA
Entry door replacement with a standard Therma-Tru or ViewLux unit runs $1,400-$3,200 in Cupertino when the rough opening is sound and the frame stays. If the opening has racked or the jamb is rotted, add $400-$900 for frame correction and reflashing. French or double door replacement runs $2,800-$6,500, with the higher end covering PGT impact-rated units on larger openings. A full reset of a Monta Vista slider opening, with new flashing and corrected rough opening, lands between $3,500 and $7,500. These are written line-item prices before we start, not estimates that shift when the permit review comes back. Haven Clause 5: No surprises. We put the price on the page because you’re a Cupertino homeowner and you’re going to read the three-star reviews anyway.
We Also Serve Cities Near Cupertino
Our Door Installation team works regularly in Saratoga, Sunnyvale, Mountain View, and Santa Clara, and we schedule Cupertino jobs out of our Bay Area office. If you’re near the city line off De Anza Boulevard or over toward Rancho Rinconada, you’re inside our normal service area. We also handle Window Replacement in Cupertino on the same permit cycle. For anything door-related in Cupertino, call (509) 265-6387 for a free estimate.
Serving Cupertino, CA - Our Local Coverage Area
We’re based in the Cupertino 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 - Door Installation in Cupertino
We typically reach our Cupertino customers within 48 hours for a measured survey, and the survey itself takes about an hour. That measured survey is the document you keep, and the quote cannot differ from it. Call (509) 265-6387 to schedule one. If you’re in Monta Vista or off Stevens Creek Canyon Road, we’ll work around school drop-off and commute windows, not make you miss a work call.
Yes. We cover Monta Vista, Rancho Rinconada, Garden Gate, and the flats around downtown Cupertino, including the 95014 ZIP and the edges that share a border with Saratoga and Sunnyvale. Each of those neighborhoods has a slightly different conversation: Monta Vista is racked frames and hillside heat, Garden Gate is mostly mid-century slabs with failing sliders, and the downtown-adjacent blocks are seeing full-gut remodels where new construction specifies high-end systems.
Not because of the door itself. The material price is the same. The difference is that Cupertino’s housing stock is older and more likely to need frame correction, and Title 24’s performance verification requirements add documentation time that doesn’t exist in unincorporated areas. A ranch home in Rancho Rinconada often needs $400-$900 in frame work before the new door goes in, and that’s a line item on the written survey. Call (509) 265-6387 and we’ll give you a measured number, not a range that secretly doubles.
Yes. Cupertino building code, aligned with California Title 24, requires permits on door replacements that change the product class or involve structural modification to the rough opening. We pull the permit, schedule the inspection, and leave you a documented photo record when the job is done. You’ll know the permit is approved before the job closes, and you’ll have the paperwork in the same folder as your written quote. That’s the Haven Standard.
A properly flashed entry door on a sound frame should last 20-30 years in Cupertino, including the hot spells that top 100°F and the damp spring mornings that push moisture into unflashed jambs. A French door pair on a corrected opening should go 15-20 years. The thing that kills doors here early isn’t the weather; it’s the original 1960s flashing that was never intended to last this long. We’d rather replace the flashing now than wait for the rot.
Get Your Door Installation Estimate in Cupertino
You’re going to read the three-star reviews anyway. So read ours, then call (509) 265-6387 and ask for a measured survey. You keep the written survey. The quote cannot differ from it. Sonia Raman and the team at Sightline Windows & Doors will put everything in writing before a tool is lifted, and you’ll have a documented photo record when the job is done. That’s been the rule since 2012. Free estimates, written line-item pricing, and the 365-Day Done Right Promise stamped on every job. Call today and we’ll schedule your measured survey this week.
Written by Sonia Raman, Owner at Sightline Windows & Doors, serving Cupertino under the Haven Standard since 2012.