New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Pasadena 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 homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-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 South Monrovia Island
Door replacement in South Monrovia Island comes with a set of rules most contractors never think to check. Before you swap a back door, enlarge an opening for a new patio slider, or convert a workshop’s barn door into a sealed swing door, someone has to look at where your septic leach field sits, whether the wellhead is too close to the proposed swing path, and how the county will read the setback. The right door installed the wrong way can cost thousands to redo. Our Door Replacement team walks every South Monrovia Island job through that checklist before a single screw turns, and we hand you a written price up front. Call (626) 657-5977 for a free estimate.
Why Juniper Windows Pasadena Is South Monrovia Island’s Preferred Door Replacement Company
Sean Mackey runs our install crews with a simple rule: if the county is going to inspect it, we scope it before we quote it. That matters on South Monrovia Island because so many homes sit on unincorporated county parcels with septic tanks and private wells. A door replacement on a city lot in Monrovia might be a straightforward swap; the same swap a half mile southeast, on county land, can require a setback review if the door’s swing arc overlaps a leach field or a well radius. We learned that lesson on homes along Peck Road and the surrounding county pocket, and it’s why our quotes here include the permitting and inspection step rather than leaving you to discover it after the frame is already out.
Every South Monrovia Island job gets a written price before work starts, covered by the 365-Day Done Right Promise. If the installation isn’t right, we make it right for a full year, parts and labor, in writing. Our technicians are background-checked, uniformed, and they answer to a live person at our office 24/7. We stock local parts for the brands we install, including Therma-Tru, PGT, and ViewLux, so a door panel or a hinge pack doesn’t mean a week-long wait. Book in a tap, track a live arrival time, get before-and-after photos, and pay from a digital invoice. That’s the Relay Standard, and it applies to every door we touch in South Monrovia Island.
Door Frame Repair in South Monrovia Island
Door frame repair in South Monrovia Island is usually the first fix we recommend when a slab just won’t sit square, the latch tongue won’t reach the strike plate, or daylight leaks around the sweep. On ranch homes built in the 1950s through 1970s, the original wood jambs have often spent decades wicking moisture from slab contact, and once rot sets in, the only honest fix is to sister in a new jamb leg or rebuild the rough opening. A typical door frame repair on a South Monrovia Island home runs $350 to $750 for a standard entry or back door, assuming the framing behind the jamb is sound.
We see two failure modes constantly on this island. The first is a rotted bottom jamb on a back door that sits inches above grade, where sprinklers and winter rain splash the wood every year. The second is a jamb that has pulled loose from a stucco wall because the original installer never flashed the opening, and years of Santa Ana-driven dust and moisture got between the frame and the furring strips. Either one will make your door sag, bind, and leak air.
When a Frame Needs Sistered Wood
If only the bottom 12 to 18 inches of the jamb is rotted, we cut out the damaged section, sister in a pressure-treated replacement, and rehang the door on its existing hinges. That takes half a day and keeps the original architrave intact, which matters when you’re preserving a mid-century profile.
Full Rough Opening Rebuild
When rot reaches the studs behind the jamb, or the header has sagged from decades of load, the job becomes a rough opening rebuild. Expect $800 to $1,400, including new framing, flashing, and weatherstripping. This is the one scenario where we won’t quote a repair over the phone; we need to open the wall to see what’s back there.
Interior Door Replacement in South Monrovia Island
Interior door replacement in South Monrovia Island is less about county permits and more about getting a door that actually fits a 50-to-70-year-old frame without gouging your walls. The original hollow-core slabs in 1950s and 1960s ranch homes were cut to non-standard heights, and swapping in a pre-hung modern door often means shaving a 5/8-inch rail off a new slab and re-mortising hinge pockets by hand. A basic interior door replacement on a South Monrovia Island home runs $250 to $500 per door slab, including new hinges and hardware, assuming the existing frame is plumb and square.
More often than not, the frame isn’t. Slab foundations settle over decades, and door frames on slab homes follow the slab. You’ll notice a bedroom door that swings open or closed on its own, which is the first clue the frame is out of level and a simple slab swap won’t solve the problem.
Slab Swap on a Slab Foundation
On a single-story ranch on a concrete slab, an interior door slab swap is usually a two-hour job, meaning you’re looking at the lower end of that range. We match the existing hinges, mortise the new slab on site, and ease the bottom if the floor has developed a hump.
Pre-Hung Replacements and Casings
When the jamb is cracked or the reveal is wildly inconsistent, we pull the whole assembly and set a pre-hung split-jamb door. That’s $450 to $700 per opening, and it includes new casing on both sides plus blocking behind the hinges. The result is a door that actually closes with one finger, which is more than most mid-century homes have seen in 30 years.
Trusted Brands We Service in South Monrovia Island
We install and service Therma-Tru entry doors, PGT impact-rated doors, ViewLux sliding patio doors, and CGI wind-rated exterior doors, and we keep the common weatherstripping, sweep, and hinge parts for these brands local to South Monrovia Island. That stock means a warped patio slider or a failed door gasket on a windward-facing wall doesn’t sit open for two weeks while we wait on a freight order. Whether you’re replacing a front entry on Peck Road or a back door on a county lot off Mountain Avenue, the right door product is a matter of matching the opening, the swing, and the wind exposure, and we’ll show you why one brand fits the job better than another before you spend a dollar on glass.
Common Door Replacement Problems We See in South Monrovia Island Homes
- Rattling aluminum patio sliders during Santa Ana gusts. The original 1960s aluminum frames flex enough to let the door panel chatter in the track. A modern impact-rated slider with a sealed frame stops the noise and usually qualifies the home for the insurer’s wind-mitigation discount.
- Hollow-core back doors that have warped or split at the bottom rail. Decades of heat, low rainfall, and the occasional wind-driven rain have taken their toll. We replace them with a solid-core or insulated steel door and re-flash the opening so the stucco sheds water the way it was supposed to.
- Doors that don’t latch because slab settlement has moved the strike plate an eighth of an inch. On a slab foundation, the fix means re-hanging or shimming the frame, not just filing the plate. Filing it is what the last guy did, and that’s why the door bounces open in the wind.
- Improperly cut door openings in detached workshops and ADUs. When a previous owner cut a new door into a workshop without checking the county’s septic or well setback rules, the door may have to move. We scope any new opening against the parcel’s recorded leach field and wellhead locations before we cut.
Pricing for Door Replacement in South Monrovia Island, CA
A standard exterior door replacement on a South Monrovia Island ranch home runs $1,200 to $2,800 installed, depending on whether you’re swapping a slab into an existing jamb or pulling the whole frame and flashing the opening. Interior door slabs run $250 to $500 per door. Door frame repair ranges from $350 to $1,400, depending on whether we’re sistering a rotted jamb leg or rebuilding the rough opening. A full pre-hung interior replacement ranges $450 to $700 per opening. What moves the price in South Monrovia Island specifically is the county: if we’re enlarging an opening or adding a door to a detached structure, the required septic and well setback review adds a line item to the quote, along with the inspection fee. You’ll see every one of those line items before you sign anything. Call (626) 657-5977 for a free estimate with a written price.
We Also Serve Cities Near South Monrovia Island
Door Replacement in South Monrovia Island keeps our crews local, but we also run install teams through Pasadena, Glendale, Alhambra, and Altadena. If your home sits in the unincorporated pockets between those cities, the same county permitting rules apply, and we scope them the same way. Call (626) 657-5977 and we’ll tell you which side of the line your parcel falls on.
Serving South Monrovia Island, CA - Our Local Coverage Area
We’re based in the South Monrovia Island 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 South Monrovia Island
Yes, if the door’s swing path or the rough opening falls within a county-mandated setback from your septic leach field, drain field, or wellhead. On unincorporated South Monrovia Island parcels, a door replacement in the same footprint rarely triggers a review, but enlarging an opening or adding a door to a detached workshop or ADU almost always does. We pull the parcel’s septic and well records before we quote the job, so you know the permit status on day one. Call (626) 657-5977 and we’ll check your address.
Old aluminum frames flex because they lack the structural reinforcement and interlocking meeting stiles of a modern impact-rated door, so the panel chatters in the track during strong gusts. A new PGT or CGI impact-rated sliding door has a rigid frame and a sealed interlock that eliminates the rattle, and it typically qualifies your South Monrovia Island home for the insurer’s wind-mitigation discount. We’ll spec the door to match the windward exposure of your wall, not just the opening size. Call (626) 657-5977 for a written quote.
You can replace just the slab if the existing jamb is plumb, square, and free of rot, which is true on maybe 60 percent of the 1950s-1970s South Monrovia Island ranch homes we inspect. The other 40 percent have jambs that have shifted with the slab or rotted from ground moisture, and a new slab hung in that frame will bind, sag, or leak air. We’ll tell you which situation you’re in when we measure the opening. Call (626) 657-5977 for a free, no-commitment measurement.
No, the California building code does not require impact-rated glass on a standard front entry door, even in a wind-exposed area like South Monrovia Island. The requirement applies to windows and glazed doors within 24 inches of a door for tempered glass, and to any windborne-debris region designation under the local building department’s wind map. That said, many homeowners choose impact-rated front doors anyway to stop the rattling and secure the wind-mitigation credit. We’ll show you both options with real prices. Call (626) 657-5977 for a side-by-side quote.
Yes, in most cases. We fabricate a new jamb and threshold inside the existing rough opening, set a pre-hung exterior door with compression weatherstripping, and flash the perimeter to match the workshop’s exterior wall. The catch on a South Monrovia Island parcel is the county setback rule: a swing door needs clearance that a sliding barn door doesn’t, and that clearance cannot encroach on a septic tank access or a well radius. We’ll pull your parcel’s septic and well records before we recommend an inswing versus outswing. Call (626) 657-5977 and Sean Mackey can scope it with you.
When you’re ready to price a door replacement the right way, call (626) 657-5977. We’ll schedule a free estimate, check your parcel’s county records, and hand you a written price with every line item spelled out. If the work isn’t right, we make it right for 365 days, in writing.
Written by Sean Mackey, Owner at Juniper Windows Pasadena.
Six Reasons Homeowners Choose Juniper Windows Pasadena
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.