New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows West Covina pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Window Company in San Dimas, CA
Window and door work in San Dimas isn’t the same as a job in the flatlands of the San Gabriel Valley. Most homes here were built between the 1960s and 1980s, and many still carry their original single-pane windows and aluminum-frame sliders, now warped from inland heat and Santa Ana winds. Replacement work routinely means custom sizing, hillside code requirements, and glass choices built for wildfire-adjacent conditions. If you’re looking for a window company in San Dimas that prices the job in writing before anything starts, call us at (350) 305-4609.
Why San Dimas Homes Are Different
San Dimas is a mix of mid-century ranch homes, split-levels, and newer foothill developments. The older stock is the challenge. Original aluminum sliders from the 1970s, common along the foothill streets, have spent fifty years baking in valley heat. The frames twist, the tracks bind, and the single-pane glass does almost nothing for energy costs. During resale, local inspectors frequently flag those old sliders for failing current egress requirements. That makes replacement less of an upgrade and more of a sale blocker until it’s handled.
The city’s hillside and wildfire-adjacent building codes add another layer. Homes in the wildland-urban interface are pushed toward dual-pane and tempered glass rated for ember and heat resistance. A straightforward window swap can become a required safety retrofit, and that changes both the product spec and the permitting path. We quote those jobs only after the scope is clear, so the written price reflects what the city will actually sign off on.
Our Main San Dimas Services
These are the three jobs San Dimas homeowners call us about most. Each has its own dedicated San Dimas page with pricing, timelines, and local specifics.
Window Replacement in San Dimas
Replacing windows in San Dimas usually means pulling out aluminum or wood units from the 60s through 80s and fitting new frames into rough openings that were never standard to begin with. Custom sizing is the norm, not the exception. We handle the full scope: removing the old unit, inspecting the opening for dry rot, installing the new window, and finishing the exterior trim. For foothill homes, impact-rated or tempered glass is often part of the conversation. You’ll find full pricing and timelines on our Window Replacement in San Dimas page.

Window Installation in San Dimas
New construction and addition projects in San Dimas need windows installed to current code from day one. That means correct flashing, proper sill panning, and rough openings built or adjusted to the actual unit size. We work with homeowners and their GCs on foothill builds where hillside setbacks and wildfire codes apply. Installation pricing is line-itemed before the first unit goes in. Details are on the Window Installation in San Dimas page.

Door Replacement in San Dimas
Sliding patio doors take the worst of San Dimas heat. Warped aluminum tracks, failed rollers, and seals that let hot air pour in are common across the older tract neighborhoods. We replace sliders and entry doors, including units that need custom sizing for non-standard openings. Tempered glass near doorways is a code requirement we check on every job. Pricing and options are on the Door Replacement in San Dimas page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in San Dimas
We install and service Mr-Glass, Therma-Tru, PGT, and ViewLux products across San Dimas. Common replacement parts for those lines are stocked in our service vans, which shortens the diagnostic-to-repair turnaround on most service calls. See our full product range on our brands page.
Pricing for Window Company in San Dimas, CA
| Service | Typical range in San Dimas |
|---|---|
| Window replacement (per window, standard size) | $450 – $1,100 |
| Window replacement (custom size, foothill homes) | $600 – $1,500 |
| Window installation (new construction, per opening) | $350 – $900 |
| Door replacement (entry door, pre-hung) | $900 – $2,800 |
| Sliding patio door replacement | $1,400 – $3,900 |
| Dual-pane glass upgrade (per window) | $150 – $400 added to base cost |
| Tempered glass upgrade (per window) | $100 – $300 added to base cost |
| Impact-rated glass upgrade (per window) | $250 – $600 added to base cost |
| Egress window installation (code-required) | $1,200 – $3,200 |
What pushes a San Dimas quote higher than the base range? Custom sizing on 60s and 70s rough openings, hillside access that slows crew movement, and glass upgrades driven by the city’s wildfire-adjacent code requirements. Every job we price gets a written number before work starts. No estimate that morphs into a surprise invoice, and no change orders unless you approve them first.
Neighborhoods We Serve in San Dimas
We work throughout San Dimas, from the older tracts near downtown to the foothill streets up toward the San Gabriel Mountains. Response time across the city is typically same-week for estimates and standard installations.
- Downtown San Dimas
- Foothill neighborhoods along San Dimas Canyon
- Via Verde
- San Dimas Estates
- Bonita and Badillo corridor areas
Service Area – Cities Near San Dimas
Beyond San Dimas, our crews handle window and door work across the surrounding San Gabriel Valley. We serve Glendora, CA, Azusa, CA, Diamond Bar, CA, and West Covina, CA. Scheduling is coordinated through our Los Angeles office, with local crews dispatched to each city.
Serving San Dimas, CA - Our Local Coverage Area
We’re based in the San Dimas 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 Window Company in San Dimas
Most window replacements that keep the same rough opening don’t require a separate permit, but egress upgrades and hillside work often do. We’ll tell you exactly what your project triggers, pull permits where needed, and schedule inspections so the job closes out clean. Call (350) 305-4609 and we’ll walk you through it.
Estimates are typically scheduled within a few business days, and once you approve a written price, installation is scheduled based on product lead time and crew availability. For visible issues like a failed slider or a broken pane, service calls can often happen faster. Call (350) 305-4609 to check current scheduling.
Many hillside and planned communities in San Dimas require HOA sign-off before exterior changes like window or door replacement. We’ll prepare the spec sheets and product details your HOA asks for, and we’ll wait for their approval before ordering anything that can’t be returned. We never let an HOA surprise show up as a change order.
Six Reasons Homeowners Choose Juniper Windows West Covina
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.
Other Juniper Windows West Covina Services
What Neighbors Say About Juniper Windows West Covina
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Dimas Customers Say
"Booked the measure appointment online and got a text with the estimator's ETA. Replaced five windows two weeks later. Everything tracked in the app."
- Cora S."Solid job. Trim was a little off at first, and they fixed it within the week."
- Liv H."Good windows. One delivery was delayed, but I got a text with the new date."
- Pat D.