New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Santa Clarita 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
Fast, Reliable Door Replacement Across Granada Hills
Door replacement in Granada Hills almost always means retrofitting a new door into an opening that was never standard to begin with. The 1950s and 60s ranch homes along Balboa Boulevard, Rinaldi Street, and the streets off Zelzah Avenue were framed for narrow-stile aluminum sliders and single-pane glass, not for today’s factory-jamb doors. That’s the work we do every week. If you’re in Granada Hills and the door sticks, rattles in a Santa Ana gust, or lets heat pour into the living room, call us at (661) 523-0347 for a free estimate with a written price before anything gets ordered.
Why Juniper Windows Santa Clarita Is Granada Hills’s Preferred Door Replacement Company
We’re the window and door specialists inside the Relay Home Co. family, and we’ve been installing doors since 2001. Granada Hills homeowners call us because we understand the specific problem your house presents: a 60-year-old rough opening that doesn’t match any modern door’s jamb depth, a clerestory transom that’s failing from sun exposure, and an architect or designer who cares about sightlines more than speed. Our technicians are background-checked and uniformed, and every job gets a written price before a single screw turns.
The 365-Day Done Right Promise covers every installation, parts and labor, in writing. If the work isn’t right, we make it right. You also get a live arrival time you can track, before-and-after photos, and a digital invoice you can pay from your phone. No four-hour windows. No quote that changes at the door.
When you call (661) 523-0347, a person picks up. Not a voicemail tree. Not a callback queue. A person who can talk about U-factors, impact ratings, and why your mid-century slider needs a custom retrofit instead of a box-store slab swap.
Interior Door Installation in Granada Hills
Interior Door Installation in Granada Hills tends to run $450 – $1,150 per door including the slab, hinges, hardware, and installation into an existing frame. On mid-century ranch homes near O’Melveny Park or up in the Knollwood Country Club area, we see a lot of original hollow-core doors that have warped from decades of dry heat. Replacing them with solid-core doors changes how a hallway sounds and feels. The price range reflects the slab material, whether we’re pre-hanging into a new jamb or retrofitting into the old one, and hardware selection from standard satin nickel up to matte black Emtek or Baldwin sets.
Custom Sizes and Pre-Hung Units
Granada Hills homes rarely have doors that fit today’s 80-inch standard. If your opening measures 78 or 79 inches, we order a custom-height slab and trim it on site. Pre-hung units are the better route when the jamb is cracked or out of square and the door binds at the top corner.
Millwork and Finish Work
For homes where the door leads to a hallway with original mid-century casing, we can match the profile with custom millwork or keep the existing trim and install the new slab clean. This is where the price climbs toward the top of the range, but it’s also what keeps the house looking like a Granada Hills ranch instead of a flipped spec home.
Door Installers in Granada Hills
Door Installers in Granada Hills deal with a recurring issue that big-box crews won’t touch: the non-standard mid-century rough opening. The original 1950s sliding doors and front entries were framed before standardized jamb depths existed. A modern door ordered off the shelf has a jamb depth that doesn’t sit flush. We install it properly anyway. A full exterior door replacement here generally runs $1,800 – $4,900 depending on whether it’s a front entry, a patio slider, or a French door with sidelights. Impact-rated units from PGT or Therma-Tru add $900 – $1,800 over non-impact glass for the same opening, driven by the laminated glass interlayer and reinforced frame.
Retrofit Work on Mid-Century Sliders
The sliding patio door on a Granada Hills ranch often sits in an original jamb pocket that’s been there since Eisenhower was president. We install modern PGT or ES Windows sliders into that pocket without butchering the surrounding stucco or brick. The new narrow-stile profile keeps the sightline the architect drew in 1958.
Architectural Doors and Clerestory Transoms
When a front door has a clerestory transom above it, the transom’s seal often fails before the door itself does. We see this on the cathedral-style entry elevations throughout Granada Hills. We’ll tell you if the insulated glass unit can be replaced without touching the door. That’s a $450 – $850 job instead of a $4,000 door replacement.
Trusted Brands We Service in Granada Hills
We carry and install Therma-Tru fiberglass entry doors, ES Windows architectural-grade aluminum doors, ECO Window Systems sliding and French patio doors, and Mr-Glass for custom glass replacement in existing door frames. For Granada Hills customers, we keep common replacement parts and insulated glass units in local inventory, which means less waiting when a transom seal fails or a sliding door roller wears out. Because we stock multiple product lines, we’re not tied to one manufacturer’s lead time or one style of door. You get the door that actually fits your rough opening and your mid-century elevation, not the door that happens to be on a shelf.
Common Door Replacement Problems We See in Granada Hills Homes
- Seal failure on original single-pane sliders. The 1950s aluminum-framed sliding doors along Chatsworth Street and Rinaldi Street lose their seal after decades of 100°F summers and 50 mph Santa Ana gusts. Wind-driven dust and heat pour into the living space, and the homeowner thinks the whole door frame is shot. Often only the insulated glass unit needs replacing.
- Clerestory transoms misdiagnosed as door failures. Cathedral-style door transoms above the front entry take the worst of the afternoon sun. The seal fails, condensation forms, and a contractor quotes a full tear-out when the door itself is fine. We replace glass units in place, matching the original sightline.
- Big-box doors jammed into non-standard rough openings. Standard 4-9/16-inch jamb depths don’t fit Granada Hills’ mid-century framing. Forced in anyway, they leave gaps that rattle in wind and leak air. We order or build to the actual opening dimensions.
- Warped 8-foot patio sliders from heat cycling. The long south-facing runs on ranches near Balboa Boulevard bake in summer, and aluminum or vinyl frames flex. A PGT impact-rated unit with a Miami-Dade NOA approval goes into the original jamb pocket and holds its shape.
Pricing for Door Replacement in Granada Hills, CA
A full exterior door replacement in Granada Hills runs $1,800 – $4,900 installed. Interior door installation runs $450 – $1,150 per door. Sliding patio door retrofits land between $2,400 and $6,000 depending on width, glass package, and whether the surrounding stucco needs repair after the old frame is cut out. Lead times on custom mid-century doors run 4 – 8 weeks, not because of labor availability, but because the manufacturer builds to your exact rough opening dimensions. That lead time is tracked in our scheduling software, and your price is fixed in writing before anything is ordered. Call (661) 523-0347 for a free estimate with a line-item quote.
We Also Serve Cities Near Granada Hills
Juniper Windows Santa Clarita provides Door Replacement throughout the San Fernando Valley. In addition to Granada Hills, our crews work regularly in Mission Hills, San Fernando, Northridge, and Sylmar. If you’re just over the city line, give us a call; we’ll let you know which day we’re in your neighborhood.
Serving Granada Hills, CA - Our Local Coverage Area
We’re based in the Granada Hills 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 Replacement in Granada Hills
You can often replace just the insulated glass unit if the aluminum frame is still structurally sound and square to the jamb. This costs $450 – $850 on most Granada Hills sliders, versus $2,400+ for a full replacement. We assess the frame’s condition first; if the rollers are shot and the frame is twisted, a full retrofit into the original jamb pocket makes more sense. Call (661) 523-0347 and we’ll give you a straight answer with a written price.
Yes, in most cases it will. Impact-rated doors with Miami-Dade NOA approval or a Florida Building Code equivalency typically qualify for wind mitigation credits when installed with documentation. Granada Hills sits in a wind zone where insurers look at opening protection. We provide the product approval paperwork, and you submit it to your carrier. Call (661) 523-0347 and ask us to spec the door with the right glass package for insurance purposes.
Lead times, not labor, set the calendar on custom mid-century doors. Most manufacturers run 4 – 8 weeks from approval to delivery. If your architect is specifying a particular stile width, glass type, or finish, we provide shop drawings before the order goes in and track the lead time in our scheduling software. The price is fixed in writing before the door is ordered, so the architect’s changes don’t drift the bill. Call (661) 523-0347 to start the spec conversation.
Replace the glass in the clerestory first. In Granada Hills, the transom above the door usually fails before the door itself because it takes the direct afternoon sun and the door sits in shade under the entry overhang. If the door is sound, this is a $450 – $850 insulated glass unit replacement. If the door is also warped or rotted, we do both in one visit and match the sightline across the entire elevation. Call (661) 523-0347 for a free assessment.
Yes, when you respect the sightlines. On Granada Hills mid-century ranches, the key is keeping the original glass-to-frame ratio and not adding a heavy, ornate door that fights the horizontal lines of the house. We install Therma-Tru fiberglass doors with full-lite glass or ES Windows aluminum doors with narrow stile profiles, both of which read modern but fit the ranch-era aesthetic. Call (661) 523-0347 and ask for a design consultation with a written price.
Written by Sean Mackey, Owner at Juniper Windows Santa Clarita, part of the Relay Home Co. family. Serving Granada Hills with transparent door replacement since 2001.
Six Reasons Homeowners Choose Juniper Windows Santa Clarita
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.