Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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AfterFast, Reliable Window Installation Across Pasadena
Window installation in Pasadena runs $650 – $2,800 per opening depending on the unit type, frame material, and what we find when we pull the old sash. A standard mid-range vinyl double-hung in a 1920s bungalow typically lands around $900 – $1,400 installed, while a large picture window or bay unit starts closer to $1,800 and climbs from there. The bigger variable in Pasadena isn’t the glass; it’s the permit path. Homes in landmark districts and Hillside overlays often need design review before we touch an opening, which adds weeks to the calendar but rarely changes the glass price. We are Juniper Windows & Doors, part of the Relay Home Co. family since 2001. Call (682) 281-2168 and we’ll give you a written price before any work starts.
Why Juniper Windows & Doors Is Pasadena’s Preferred Window Installation Company
We work in Pasadena’s housing stock every week, which means we already know what’s behind the stucco on a Bungalow Heaven Craftsman and what a Hillside-overlay reviewer will flag before we even submit. Our Window Installation team has handled everything from single-sash swaps in Altadena-adjacent ranches to full eleven-unit retrofits on period homes where the jambs are out of square by nearly an inch. Pasadena homeowners keep calling us back because we quote a written number and stick to it. The 365-Day Done Right Promise covers parts and labor for a full year after install, in writing, on every project.
Sean Mackey leads our crews, and every technician who shows up at a Pasadena door is background-checked and uniformed. You know who’s coming. You get a live arrival time, before-and-after photos, and a digital invoice you can pay from a link. That’s the Relay Visibility Guarantee, and it’s standard on every job we run in Pasadena, not an upsell.
Window Contractor in Pasadena
A window contractor in Pasadena does more than swap glass. The job starts with measuring the existing rough opening, checking for out-of-square jambs, verifying jamb depth, and identifying whether the home falls under any landmark, Hillside, or design-review overlay before a permit gets pulled. On older Pasadena homes, we regularly rebuild interior casing, repair stucco returns, and flash the new flanges so the wall assembly drains the way it should. A thoughtful contractor in Pasadena quotes this finish work up front, because that’s where scopes blow out on paper-priced bids.
Scoping the Opening Correctly
Pasadena’s pre-war bungalows rarely have square openings. We shim, re-square, and set each unit so the sash operates cleanly and the glass sits true. Skipping this step means the window binds in the frame and the manufacturer’s air-infiltration rating goes out the window with it.
Permits and the Pasadena Review Path
Pasadena’s permit office treats window replacement under its own residential review path, and homes in the city’s historic-landmark districts and Hillside overlays often require design review or a Certificate of Appropriateness before any opening is altered. That means the calendar, not the glass, is usually what drives the job. We handle the submittal, the comments, and the resubmittal so you’re not chasing a planner on your lunch break.
Window Installers in Pasadena
Window installers in Pasadena are only as good as the flashing and sealing work they do after the unit is set. We run a continuous bead of sealant on the sill pan, set the window, shim it level, fasten through the flange at the manufacturer’s specified intervals, and then integrate the exterior flashing tape into the existing stucco or siding so water moves away from the opening. That detail matters more in Pasadena than people think, because the city building stock runs old and the stucco is often original. Water finds the gap. We don’t leave one.
Setting the Unit and Getting the Drainage Right
Every install gets a sloped sill pan, back-dam flashing, and taped corners. On stucco homes we cut and patch the return cleanly so the new window looks like it was always there, and we replace any rotted framing we uncover before the new unit goes in.
Finish Work and Stucco Repair
Interior casing, exterior trim, drywall returns, and stucco patching are part of the install in Pasadena, not an afterthought. We price this line-item by line-item before the job starts, because “glass only” bids are how surprises happen. Every job gets a written price before a screw turns.
Trusted Brands We Service in Pasadena
We install and service a range of product lines suited to Pasadena’s climate and architecture, including CGI, CWS, and ES Windows. For Pasadena homeowners who want impact-rated glass built to resist wind-borne debris without shattering, CGI is a common choice, and their sightlines hold up well on mid-century ranches. CWS and ES Windows give us flexible frame profiles for older openings that aren’t perfectly square. Because we stock common parts and hardware for these lines locally, Pasadena customers see faster turnaround on service calls and replacements than they would waiting on a factory order from out of state.
Common Window Installation Problems We See in Pasadena Homes
- Out-of-square rough openings in pre-war bungalows. When the jamb is off by half an inch or more, standard stock units won’t seat. We re-square before we order, so the glass arrives and fits.
- Design review catches the job mid-stream. We see Pasadena homeowners pull a permit for a new window, then discover their Historic Preservation or Hillside overlay requires a Certificate of Appropriateness. The review board has to sign off before the opening changes, and that can add three to six weeks.
- Stucco and trim damage gets ignored in the quote. Original stucco returns crumble when the old window comes out. If the quote doesn’t include repair, the finish cost lands later as a change order. We price stucco re-stucco, trim reconstruction, and interior casing up front.
- Skipped flashing on original stucco assemblies. Pasadena’s dry summers make some installers lazy about drainage. The first real rain finds the gap, and the homeowner finds rot. We tape and flash every opening, every time.
Pricing for Window Installation in Pasadena, CA
Here are honest ranges for Pasadena’s market. A single double-hung vinyl unit: $650 – $1,200 installed. A casement window: $850 – $1,600. A large picture or fixed window: $900 – $2,000. A 3-panel sliding window: $1,500 – $2,800. Bay and bow assemblies run $2,200 – $4,500 in Pasadena because of the structural support and stucco work involved. The cost drivers are frame material, glass package, opening size, stucco or trim repair, and whether the home sits in a landmark or Hillside district where design review adds planning time. We give a written line-item quote before work starts, and the price doesn’t change once it’s written unless we uncover hidden rot or framing that needs to be addressed. Even then, we stop and show you before we proceed. Call (682) 281-2168 for a free estimate on your exact windows.
We Also Serve Cities Near Pasadena
Our crews work throughout Pasadena and into the surrounding foothill and San Gabriel Valley communities. We regularly install windows in San Marino, South Pasadena, Altadena, and San Gabriel, and we bring the same written pricing and 365-Day Done Right Promise to every job in each city. Dispatch and scheduling are coordinated from the brand’s Los Angeles office, and crews serve Pasadena locally.
Serving Pasadena, CA - Our Local Coverage Area
We’re based in the Pasadena 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 Installation in Pasadena
Yes, window replacement in Pasadena requires a building permit, and homes in historic landmark districts or Hillside overlays may also need design review or a Certificate of Appropriateness before the opening can be altered. We handle the submittal and any comments from the review board. If your project is in a designated district, expect the review step to add three to six weeks to the calendar. Call (682) 281-2168 and we can check your address against the overlay maps before you commit.
A typical whole-home retrofit of ten to fifteen windows in Pasadena takes two to three days of on-site labor once the units are on the truck and the permit is cleared. If your home is not in a landmark or Hillside district, plan on three to five weeks from signed contract to finished install. If design review applies, add three to six weeks to that. We’ll give you a written schedule at the quote stage so the calendar is as locked as the price.
Yes. Pasadena’s summer afternoons routinely push into the 90s from May through October, and low-E glass with a tuned solar heat gain coefficient (SHGC) reduces the amount of solar radiation that converts to heat inside your home. On west-facing elevations, which bear the harshest afternoon sun, a lower SHGC makes a genuine difference in AC load and afternoon comfort. We spec the glass package per elevation, not one generic unit for the whole house.
Hidden rot, termite damage, or out-of-square framing that requires structural repair is the most common reason a Pasadena window quote changes mid-job. We write that into the contract as a clear contingency with a capped allowance, and we stop work and show you photos before any additional cost is approved. You will never see a surprise invoice at the end. The written quote is the price unless you approve a change in writing first.
We can typically match the original trim profile and exterior sightlines on older Pasadena homes, including Craftsman, Spanish Revival, and mid-century ranches. For a 1920s Bungalow Heaven project, we kept the original exterior casing so the street-facing elevation still read as period-correct while the interior gained a clean low-E unit. The same approach applies to a 1950s ranch in Hastings Ranch, where slender sightlines matter. We’ll walk the house with you and spec profiles and colors that respect the architecture before you sign anything.
For a written quote on your Pasadena window installation, call (682) 281-2168. You’ll get a straight answer on price, a written line-item estimate, and a real person on the other end of the line, 24/7.
Written by Sean Mackey, Owner at Juniper Windows & Doors, serving Pasadena since 2001.