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 Daly City
Door installation in Daly City runs roughly $900-$2,800 for a standard exterior door replacement, and $1,400-$3,600 for a sliding glass door, depending on what we find behind the old unit. Those numbers reflect what we actually see in Westlake, Broadmoor, St. Francis Heights, and the Serramonte hills, where 1940s-50s Doelger construction hides shifted framing, failed flashing, and wiring that no generic quote accounts for. We’ve worked these blocks long enough to know that a door in Daly City is rarely a simple swap, and our written price reflects the real job, not the optimistic version. If you’re also considering Daly City Window Installation, we can coordinate both projects and match the flashing details across openings. Call (903) 354-7134 for a free estimate, and we’ll tell you what your door actually needs before any work starts.

Why Westlight Windows & Doors Is Daly City’s Preferred Door Installation Company
Westlight Windows & Doors has been answering calls from Daly City homeowners since 2009, and the calls coming off Westlake Avenue and down Southgate sound the same: a front door that binds in the jamb, a slider that fogs between the panes, a back door the wind whistles through on foggy nights. We know the housing stock because we’ve worked inside hundreds of these Doelger two-stories, and we know what the marine air does to flashing and weather-stripping over a decade. Our crews show up in uniform, background-checked, and on the schedule we gave you, not a vague window. Owen Satterfield runs our operation, and he’s the one who made the Kingswell Guarantee a condition of every job we take in Daly City: a written price before any work starts, a real arrival window, a clean job site, and a written guarantee handed to you at completion. If the work fails during the guarantee period, we come back and fix it at no charge. That’s the whole arrangement.
We’re an independently owned and operated Kingswell location, which means we carry eight manufacturer lines including PGT, CGI, and Therma-Tru, and our scheduling is coordinated from the San Francisco Bay Area office, with crews dispatched directly to Daly City. We don’t subcontract the work out to whoever picks up the phone. The person who measures your door is the same crew that installs it, and the person who hands you the written guarantee is the same person who fixed the framing behind it.
Door Replacement in Daly City
Door Replacement in Daly City means pulling a tired, twisted unit out of a Doelger jamb and discovering what sixty or seventy years of fog, salt, and seismic micro-movement did to the framing behind it. We don’t hang a new door until we’ve checked the rough opening, the header, and the waterproofing, because we’ve seen too many Daly City doors fail within a year when installers skipped that step. A basic steel or fiberglass entry door replacement in Daly City typically runs $900-$1,800 installed when the framing is sound. Add $300-$700 when the jamb needs sistering or re-shimming, which is most Doelger homes west of Junipero Serra. Premium Therma-Tru entry systems with sidelights run $2,200-$3,000+, and that price always includes the permit, the flashing, and the written change order if we find something the quote didn’t cover.
Entry Doors
A front door in Daly City earns its keep. Fog, wind-driven rain, and salted air hit the west-facing elevations hardest, so we spec doors rated for marine exposure, not the cheapest unit in the catalog. We install fiberglass and steel entry doors from Therma-Tru and CWS, and we pull permits when the opening size changes or the framing requires correction. The goal is a door that closes square, seals tight, and doesn’t swell or rack when the first winter storm comes off the Pacific.
Storm & Exterior Doors
On Daly City homes that already have a decent entry door, a storm door adds a second line of defense against the fog and the wind that bends umbrellas on Gellert Boulevard. We install full-view and ventilating storm doors from ViewLux and CWS, sized to the opening and flashed to keep water from collecting behind the threshold. These doors also help with interior comfort in the hilltop neighborhoods where the wind never really stops.
Sliding Glass Door Replacement in Daly City
Sliding Glass Door Replacement in Daly City is one of the most common jobs we book in the Westlake rows, where the original patio doors have been fogged, sticking, or outright failed for years. The salt-laden humidity that sits over Daly City destroys insulated glass seals faster than any city on the Peninsula, and the 1980s-90s replacements homeowners put in are often already at the end of their life. Replacing a sliding glass door in Daly City typically costs $1,400-$2,600 for a standard vinyl or aluminum unit, and $2,800-$3,600+ for a PGT or CGI impact-rated slider, which we recommend for any opening that faces west or catches the full brunt of the ocean wind. Those prices include demolition, new flashing, and a permit where the opening size changes.
French & Double Doors
French doors are beautiful and they leak if the flashing is wrong, which we see constantly in Daly City where the previous installer treated the job like an inland build. We install double French doors with aggressive pan flashing at the threshold, continuous weather-stripping at the meeting stiles, and marine-grade seals at every joint. A standard French door replacement in a Doelger home runs $1,300-$2,200 when the opening is plumb, and more when we have to correct the rough opening first.
Replacement Doors
When we say replacement door, we mean the whole system: the slab, the frame, the threshold, the flashing, and the interior trim. In Daly City, a bare slab swap onto an existing Doelger jamb is a return visit waiting to happen, because those jambs have moved. A true replacement includes checking the rough opening with a level, correcting the framing where it’s out of plumb, and installing a properly flashed frame. That’s the difference between a door that works for fifteen years and one that binds at the latch by spring.

Trusted Brands We Service in Daly City
We stock and install doors from PGT, CGI, CWS, and ViewLux, among our eight manufacturer lines, and we keep parts for these brands local so Daly City customers don’t wait weeks for a roller or a hinge. PGT and CGI build impact-rated systems that make sense on wind-exposed elevations in the Serramonte hills and along the Pacifica-facing ridges. CWS and ViewLux give us vinyl and storm door options for homeowners who prioritize value without sacrificing weather resistance. Because we’re a Kingswell location, our pricing on these brands is set before we start, in writing, with no door-step revision. Ask us which brand fits your opening and your exposure, and we’ll give you an honest answer, not a sales pitch for whichever unit we happen to have in the truck.
Common Door Installation Problems We See in Daly City Homes
- Shifted Doelger door jambs: Daly City sits on San Andreas-adjacent soil, and seventy years of micro-movement has pushed thousands of original 1940s-50s door frames out of plumb. Hang a new door on that jamb and it binds, leaks at the corners, and racks within a season. We correct the framing first, then set the door.
- Failed flashing on west-facing openings: The wind-driven marine moisture that rolls through Westlake overwhelms standard Peninsula flashing details. We spec pan flashing and weather-stripping that exceeds typical inland specs, because a door in Daly City gets wetter than the same door in San Mateo or Fremont.
- Corroded hardware and thresholds: Salt air pits and rusts door hardware faster here than any city in the Bay Area. We replace thresholds with marine-grade aluminum or composite, and we use stainless or coated fasteners rated for coastal use.
- Surprises behind the old door: Removing a door in a Doelger two-story routinely uncovers failed waterproofing, 1940s wiring, or an undersized header that triggers a permit-driven code upgrade. If those items aren’t written into your contract as allowances, you get a surprise change order mid-job. We write the allowances in before we start.
Pricing for Door Installation in Daly City, CA
Here’s what we quote in Daly City, in real numbers. Basic exterior door replacement: $900-$1,800. Sliding glass door replacement: $1,400-$3,600, depending on size and glass rating. French or double door systems: $1,300-$2,200 for standard units, more for impact-rated. Framing correction and jamb sistering, which most Doelger homes need: $300-$700 per opening. Permitting in Daly City adds $150-$400 depending on the scope, and we pull the permit ourselves. Every one of these numbers is a starting point, not a bait quote. The Kingswell Guarantee means you get the written price before any work starts, and if we find something behind the wall that changes the price, you approve it in writing before we touch it. Call (903) 354-7134 for a free estimate, and we’ll give you a real number for your specific door and your specific opening.
We Also Serve Cities Near Daly City
Our Door Installation crews serve Daly City and the surrounding Peninsula cities, including Brisbane, South San Francisco, San Bruno, and Pacifica. If you’re in one of those communities and dealing with the same fog, the same wind, and the same shifting soil, give us a call at (903) 354-7134 and we’ll schedule a free estimate. We know this stretch of coastline well, and the pricing we quote reflects what we see door to door, not a national average.
Serving Daly City, CA - Our Local Coverage Area
We’re based in the Daly City 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 About Door Installation in Daly City
A Daly City door installation costs more than the quoted price when the contractor didn’t factor in what sits behind the old door: a shifted Doelger jamb, rotted flashing, or 1940s wiring that triggers a code upgrade. We avoid that surprise by writing allowances into your contract before work starts. If we find framing correction or waterproofing that wasn’t in the quote, we photograph the issue, price it in writing, and get your approval before we advance the job. Call (903) 354-7134 and ask us to walk through what your specific opening is likely to require.
Yes. Daly City’s marine fog, wind-driven rain, and salt-laden humidity are measurably harsher than what San Mateo or Fremont doors face, and west- and north-facing openings here take the worst of it. That’s why we spec marine-grade flashing, weather-stripping that exceeds inland Peninsula standards, and hardware rated for coastal corrosion. A door that works fine in Fremont for twenty years may fail here in ten if it’s flashed like an inland door. We build for Daly City specifically.
Yes, in most cases. We can pull a slider out of a Doelger opening and install a new unit without cutting into the surrounding stucco beyond the frame perimeter, but the flashing at the rough opening almost always needs replacement, and that’s where prior installs failed. We re-flash the opening with a marine-grade weather-resistive barrier and pan flashing before setting the new door. The stucco stays intact; the waterproofing gets rebuilt. Call (903) 354-7134 and we’ll tell you what your specific opening needs.
In Daly City, a simple same-size exterior door swap often doesn’t require a permit, but any change to the rough opening, the header, or the structural framing does. What we see in Doelger homes is that removing an old door exposes undersized headers or 1940s wiring that triggers a building or electrical inspection, and that’s where a cheap quote turns into a mid-job surprise. We pull the permits ourselves and manage the inspections, and our contract includes allowances for the code work those inspections require. You’ll know the cost before we start, not after the inspector leaves.
Not if they’re spec’d for Daly City’s marine microclimate. The 1990s replacement windows in Westlake failed early because they were sealed units built for inland conditions, installed in openings that had already been compromised by salt air. We choose doors from PGT, CGI, and Therma-Tru with insulated glass and hardware rated for coastal exposure, and we flash every opening to keep wind-driven moisture out of the frame cavity. A door installed correctly for Daly City’s conditions should last decades, not ten years. If it doesn’t, the Kingswell Guarantee brings us back at no charge.
Call Westlight Windows & Doors at (903) 354-7134 for a free door installation estimate in Daly City. We’ll give you a written price, a real arrival window, and a straight answer about what your specific opening needs. You’ll know the number before any work starts, and if something behind the wall changes the scope, you’ll approve it in writing before we touch it. That’s the Kingswell Way, and that’s how Owen Satterfield has run Door Installation in Daly City since 2009.
Written by Owen Satterfield, Owner at Westlight Windows & Doors, serving Daly City since 2009.










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