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 Redwood City
Door installation in Redwood City runs $430 to $1,850 for most single exterior doors, and $1,600 to $4,300 for sliding glass doors, depending on size, glass package, and how much re-squaring the opening needs. We’re Westlight Windows & Doors, an independently owned and operated Kingswell location, and we’ve installed entry, storm, and sliding glass doors across Redwood City for years now. That means we know which neighborhoods fight bay-mud settlement and which ones sit on bedrock, and we quote accordingly. Call (903) 354-7134 for a written price before any work starts, no door-step surprises.

Why Westlight Windows & Doors Is Redwood City’s Preferred Door Installation Company
Redwood City homeowners keep calling us because we show up in the window we gave and we put the price in writing before a single screw turns. That’s the Kingswell Guarantee, and it applies on every job we do: a written price, a committed arrival window, a clean job site, and a written guarantee handed to you at completion. Owen Satterfield runs our crew with one rule: if it’s not done right, we come back and fix it at no charge under our 365-Day Done Right Promise.
We also answer the phone with a live person, 24 hours a day, 7 days a week. No voicemail tree, no chatbot. You call, a real human picks up and can schedule an estimate, answer a question, or dispatch a technician. On tight Redwood City lots with shared driveways and party walls, that matters. Your neighbor’s car blocking access or a permit question that changes a door swing doesn’t derail a company that actually answers when you call.
Storm Door Installation in Redwood City
Storm Door Installation in Redwood City typically costs $430 to $1,050 for a quality unit installed, depending on the frame material and whether the existing opening needs re-squaring or new trim work. A storm door gives the older Craftsman and Victorian homes near downtown and Fair Oaks a second layer against winter marine air without touching the original entry door, which matters when the front door is original to a 1920s house and you don’t want to alter its character. On the east side, where postwar stucco tract homes face long afternoon sun, a storm door with a low-emissivity glass panel also knocks down glare and heat gain from west-facing exposures.
Climate Considerations for Redwood City Storm Doors
Redwood City’s inland-tilting microclimate regularly pushes summer afternoons into the low-to-mid 80s while coastal cities to the north sit under fog. Then marine air rolls back in overnight. That thermal cycling is hard on storm door seals and weatherstripping. We stock replacement seals locally, so when a storm door starts to weep or rattle after a few seasons of Redwood City temperature swings, we can usually fix it in one trip rather than ordering parts and waiting a week.
What We Check Before We Set the Frame
Before any storm door goes on, we level and square the rough opening. On the east side’s 1940s-to-60s stucco tract homes, door frames have often settled a quarter-inch or more over the decades, and a storm door hung on a racked frame will bind at the latch or fail to seal. We re-plumb the opening with a 4-foot straightedge, shim it true, then set the door so it closes cleanly and the sweep actually contacts the threshold.
Sliding Glass Door Installation in Redwood City
Sliding Glass Door Installation in Redwood City runs $1,600 to $4,300 for a complete tear-out and replacement, with the final number driven by glass package, door width, and how far out of square the existing opening sits. The 1970s and 80s homes in Redwood Shores almost always have original aluminum sliding glass doors at or past end of life, with fogged glass, worn rollers, and frames that have twisted as the bay-mud fill beneath the foundation keeps settling. We replace those doors with modern dual-pane units that slide true and seal tight.
Bay-Mud Settlement and Door Frames
Because Redwood Shores is built on 1960s-70s bay-mud fill that keeps settling differentially, door rough openings there are routinely torqued out of square. Nearly every sliding glass door installation we do in that neighborhood requires custom sizing and re-squaring before a frame goes in, work that’s rarely needed in Emerald Hills, a mile away on solid serpentinite bedrock. We build that extra labor into the quote upfront, so the price on page one is the price you pay. No revised invoices at the door.
Real Example from a Canal-Front Redwood Shores Job
On a recent Redwood Shores job along the canal-front streets, we pulled a failed original aluminum sliding glass door and found the rough opening racked nearly an inch out of level from ongoing bay-mud settlement. Before setting the new Therma-Tru frame we re-plumbed and re-squared the opening with a 4-foot straightedge, then custom-sized and shimmed the door so it sealed and slid true. The homeowner noticed the room was quieter and cooler within the first afternoon. That’s Door Installation done the Kingswell Way, say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails.

Trusted Brands We Service in Redwood City
We carry eight manufacturer lines and we don’t play favorites with brands, we match the product to the job. For Redwood City sliding glass doors and storm doors, we often install ViewLux for slim-profile sliding glass with a clean sightline, Therma-Tru for entry and storm doors that hold up to marine air, and impact-rated PGT or CGI units when a homeowner wants a door that stands up to hard weather without sacrificing glass area. We stock common components and replacement seals for these brands locally, so most Redwood City warranty and repair visits happen in a single trip rather than two-week backorders.
Common Door Installation Problems We See in Redwood City Homes
- Racked rough openings on Redwood Shores bay-mud lots: Ongoing differential settlement torques door frames out of square, so a standard-sized door forced into a racked opening binds, leaks, or fails to latch within a season. We re-plumb and re-square before setting any frame in that neighborhood, and we budget the hour it takes to do it right.
- Plan-review and overlay-district requirements on older homes: The Craftsman and Victorian stock near downtown and Fair Oaks often sits in historic or overlay districts where door swing, frame details, and even glass type need plan review before installation. Ordering doors before the swing and frame details clear review is a costly mistake, and we won’t do it.
- Degraded IGU seals from Redwood City’s thermal cycling: The warm inland afternoons followed by overnight marine air create thermal cycles that degrade insulated glass unit seals faster than a purely warm or purely cool climate would. Fogged sliding glass doors on Redwood Shores homes are the telltale sign.
- Tight-lot access and shared driveways: Many Redwood City lots, especially near downtown and on the east side, have narrow side yards, shared driveways, and party walls that limit staging and require notice to neighbors before we set up. We account for that access in the quote, and it’s not a surprise line item halfway through the job.
Pricing for Door Installation in Redwood City, CA
A typical single entry or storm door installation in Redwood City runs $430 to $1,850 installed. Sliding glass door replacement runs $1,600 to $4,300. What moves the number: the glass package you choose, the door width, whether the opening needs re-squaring, and whether plan review or overlay-district review applies to your block. On a tight Redwood City lot with a shared driveway, staging and access add real time to the job, and we quote that honestly up front rather than tacking it on at the end. Call (903) 354-7134 and we’ll deliver a written line-item price before any work begins, free estimate, no obligation.
We Also Serve Cities Near Redwood City
Our crews serve the entire mid-Peninsula, including Atherton, Menlo Park, San Carlos, and Palo Alto. If you’re just over the Redwood City line in any of those cities, the same crew, the same written price promise, and the same Kingswell Guarantee apply. Call us and we’ll schedule an estimate at your convenience.
Serving Redwood City, CA - Our Local Coverage Area
We’re based in the Redwood 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 Redwood City
Redwood Shores homes sit on 1960s-70s bay-mud fill that continues to settle differentially, which means nearly every rough door opening there is torqued out of square and requires re-plumbing and re-squaring before a new frame goes in, plus custom sizing for the door itself. Emerald Hills, a mile away, sits on solid serpentinite bedrock, so openings there generally stay true and a standard-size door drops in with far less labor. The price difference is not the door, it’s the hour or more of corrective framing work Redwood Shores lots demand. Call (903) 354-7134 for a written quote on your specific opening.
In many Redwood City neighborhoods, yes, especially for older homes in historic or overlay districts where door swing, frame details, and glass type must clear plan review before installation. The Redwood City Building Division also requires permits when the opening size changes, structural framing is altered, or a door is being upgraded to meet current egress and energy code. We pull the permits, coordinate the inspections, and pass them before we call the job done. Call (903) 354-7134 and we’ll check your address against the current requirements before you commit to anything.
Shared driveways, narrow side yards, and party walls are the three constraints we plan around most on tight Redwood City lots, especially near downtown and on the east side. A standard staging footprint does not always fit between the house and the property line, and a shared driveway means we coordinate with your neighbor before bringing materials through. We account for access in the quote up front, not as a change order, and we give neighbors advance notice on the noise and work-hour windows so the job stays peaceable. Call (903) 354-7134 and tell us about your lot; we’ll tell you what access will realistically add to the job.
Yes, demonstrably. Redwood City’s inland-tilting microclimate pushes summer afternoons into the low-to-mid 80s while coastal cities to the north sit under fog, so unshaded west- and south-facing glass here takes a real solar beating. A new dual-pane sliding glass door with low-emissivity glass, which is a thin coating that reflects heat back out in summer and back in during winter, cuts measurable heat gain through the largest glass opening in your house. On Redwood Shores homes with original single-pane aluminum sliders, the replacement alone typically drops afternoon room temperature enough that the air conditioner cycles less. Call (903) 354-7134 and we’ll show you glass packages with actual performance numbers for your exposure.
We install storm and sliding glass doors from ViewLux, Therma-Tru, PGT, and CGI, depending on what the job actually calls for. ViewLux makes a slim-profile sliding glass door with a clean sightline that suits mid-century and modern Redwood Shores homes. Therma-Tru builds entry and storm doors that hold up to Redwood City’s marine air and thermal cycling. PGT and CGI are the impact-rated choices when you want a door that withstands hard weather without giving up glass area. We don’t force a job to fit one brand. Call (903) 354-7134 and we’ll match the right product to your opening, your exposure, and your budget.
Written by the team at Westlight Windows & Doors. Owen Satterfield leads our installation crews across Redwood City and the mid-Peninsula. Founded in 2009, we’re an independently owned and operated Kingswell location, and we stand behind every door we hang.










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