Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Door Installation Across Westminster
A standard entry door replacement in Westminster, CA runs $1,800 to $4,200 installed, depending on material, glazing, and what removal uncovers. Most door installations in Westminster take one full day once the measured survey is complete and the door is ordered. Sightline Windows & Doors has worked along Bolsa Avenue, through the tract-home neighborhoods west of Beach Boulevard, and across the newer subdivisions near Westminster Mall, and we know what this city’s housing stock demands. Call (509) 265-6387 to get a written price before any work is scheduled.
Why Sightline Windows & Doors Is Westminster’s Preferred Door Installation Company
We’re not a franchise. Sightline is independently owned and operated under the Haven Standard, a set of written clauses that govern every installation we’ve done since 2012. For Westminster homeowners, that means three things are always true: the price is written before a tool is lifted, the crew at your door is background-checked and identified by license number, and every job ends with a documented photo record. Owner Sonia Raman built the company around a simple principle: the measured survey and the final invoice should be the same document. If the quote changes, the job hasn’t been measured correctly.
Westminster’s door market is not Anaheim’s. A 1958 ranch house near Bolsa Avenue has different framing conditions than a 1992 stucco tract home east of the 405. Our technicians see those differences in writing: frame readings, sill slope measurements, and glazing specs specific to the opening. That’s why we answer the phone with a live person 24/7 at (509) 265-6387, and why we bring a written line-item price before anything is removed.
Our Door Installation Services in Westminster

Entry Doors
Most of Westminster’s post-war ranch homes were built with narrow 32-inch entry openings and aluminum thresholds that have been sanded and repainted for sixty years. When we replace an entry door in Westminster, the job usually includes resizing the rough opening to a modern 36-inch width, replacing the threshold, and reflashing the entire opening to Orange County code. Fiberglass entry doors are the most common spec here because they hold finish better in marine-layer humidity than steel, which pits along the bottom rail. A fiberglass entry door installed in Westminster typically runs $2,200 to $3,900.

Hurricane-Proof Front & Entry Doors
Westminster is roughly 6 miles inland, which puts it outside the strictest coastal impact zones but squarely inside the wind-driven-debris exposure maps that code officials use. That means impact-rated doors are not required on every Westminster home, but they are strongly recommended for any opening facing the prevailing southwest wind. We spec PGT impact-rated entry systems for Westminster clients who want the rating on paper, complete with the Miami-Dade NOA documentation. Expect to pay $4,000 to $7,500 for a true impact-rated entry system, installed and sealed to code.

French & Double Doors
The classic Westminster side patio is a concrete slab with an aluminum sliding door, but many homeowners we meet near the Euclid corridor want to convert that opening to French doors or a hinged double-door system. The conversion requires reframing from a slider header to a French-door header, and the existing slab often needs a small step-down modification because French doors are hung, not glided. In Westminster’s 2,800-square-foot ranch homes built between 1960 and 1975, a French door conversion runs $3,500 to $6,800 including framing and finish work.

Replacement Doors
Replacement doors in Westminster split into two jobs: a direct slab swap where the existing frame is square and serviceable, and a full-frame replacement where water intrusion or termite damage near the threshold means the entire unit comes out. The first job runs $1,800 to $2,400. The second runs $3,100 to $5,500. The marine layer here does real work on wood jambs, especially on the north and west exposures where the sun bakes moisture into the wood in the afternoons. If your Westminster door frame feels soft at the bottom corners, it’s a full-frame job, not a slab swap.

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.
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AfterTrusted Brands We Service in Westminster
We specify from eight manufacturer lines, but for Westminster residential work we most commonly spec ViewLux for mid-range fiberglass, PGT for impact-rated, and CWS for custom-width entry doors where a 30-inch stock slab won’t fit. We do not sell one brand. We write the opening’s requirements first, then match the performance tier and price range to the manufacturer that fits. If you’re replacing a commercial storefront door along Bolsa Avenue, we spec Mr-Glass framing systems designed for curtain-wall integration. Every door order for Westminster addresses is tracked with the manufacturer’s production schedule, and you’ll have the written production date before you sign.
Common Door Installation Problems We See in Westminster Homes

- Original aluminum hardware pitted by marine air: Westminster sits 5 to 7 miles from the Pacific, which is close enough for salt-laden air to pit exposed lock cylinders, hinges, and threshold screws. We regularly replace lock hardware on otherwise healthy doors because the exterior finish has failed from oxidation, not from wear.
- Single-pane aluminum sliding door frames at end of life: The tract homes between Westminster Boulevard and Bolsa Avenue were built with rolled-form aluminum sliding doors that were never meant to last 60 years. The frames corrode along the bottom track, the rollers seize, and the glazing channel loosens until the glass rattles.
- Security grille extraction on commercial doors: Along the Bolsa Avenue strip-mall corridor, we see 1980s-era Vietnamese-owned storefronts where security grilles were bolted through the original aluminum door frames multiple times. A door swap there is never just a door; it’s a multi-trade extraction job that often requires cutting, patching, and reframing the opening before the new unit can be set.
- Title 24 energy-code compliance failures: Any replacement glazing in Westminster must meet California’s current Title 24 energy-code requirements, which original 1950s and 1960s aluminum doors do not. When a homeowner tries to patch an old door with new weatherstripping, they still fail on U-factor and SHGC. Full-frame replacement is the only compliant fix we’ve found in most Westminster door openings.
Pricing for Door Installation in Westminster, CA
The honest price range for a quality door installation in Westminster is $1,800 to $7,500, and the swing comes from the opening, not from gamesmanship. A basic fiberglass slab replacement on an interior-grade built-up frame runs $1,800 to $2,400. A full exterior entry system with side-lights and a new threshold on a west-facing wall runs $4,000 to $5,500. An impact-rated PGT system with documented NOA paperwork runs $4,500 to $7,500. The frame condition, rough-opening width, and whether we’re extracting old security grille anchors all move the number. You’ll see the price in writing before any work is scheduled. Call (509) 265-6387 for a measured survey and written estimate.
We also handle Window Replacement in Westminster for clients who want a matched sightline across both windows and doors, especially on the post-war tract homes where the original aluminum glazing should come out together.
We Also Serve Cities Near Westminster

While this page focuses on Door Installation in Westminster, our crews also run measured surveys in Huntington Beach, Stanton, Fountain Valley, and Garden Grove. The marine-layer conditions that affect Westminster doors are the same forces at work a few miles south, which means the frame readings and glazing specs we write here transfer directly to those neighboring cities. Visit our Door Installation hub page for service coverage and pricing across the region.
Serving Westminster, CA - Our Local Coverage Area
We’re based in the Westminster 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 Westminster

Once your door is ordered from the manufacturer, installation typically takes one full day. The lead time before installation is usually 10 to 14 business days for stock sizes and 3 to 5 weeks for custom widths or impact-rated units. We coordinate scheduling from our Los Angeles office and serve Westminster locally, so call (509) 265-6387 to get the production timeline for your specific door.
Yes. We install doors throughout Westminster, including the tract-home neighborhoods west of Beach Boulevard, the commercial storefronts along Bolsa Avenue, the communities near Westminster Mall, and the areas along Westminster Boulevard extending toward the 405. Dispatch and scheduling are coordinated from the brand’s Los Angeles office; the crews that arrive at your Westminster address are our own uniformed technicians.
Westminster door pricing runs roughly 5 to 10 percent higher than the regional average because of one factor: older frame conditions. The 1950s and 1960s homes here have settled framing, narrow rough openings, and often need full-frame extraction instead of a simple slab swap. A standard fiberglass entry door that costs $2,000 in Garden Grove may run $2,200 to $2,500 in Westminster because of the additional framing work. Call (509) 265-6387 for an exact number measured from your actual opening, not from a catalog.
Every Westminster door installation is covered by our 365-Day Done Right Promise: if it’s not done right, we make it right. The promise is written into the Haven Standard, not offered as a courtesy. Manufacturer warranties on the door slab and glazing vary by brand and product line, and we’ll give you the written warranty documentation for your specific door before you sign anything.
When a door opening is being resized or reframed, yes, we pull the permit and schedule the inspection. Simple slab replacements where the existing frame is retained and no structural work is performed typically do not require a permit in Westminster, but we’ll tell you in writing which category your job falls into before work begins. If a permit is required, it’s included in the written quote; we don’t add it as a change order later.
Written by Sonia Raman, Owner at Sightline Windows & Doors, serving Westminster since 2012.










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