Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Window Company in Whittier, CA
Most window and door companies in Whittier charge between $650 and $1,400 per opening for standard vinyl window replacement, with door installations running $1,200 to $3,800 depending on material and framing condition. What separates a smooth job from a problem job here is whether the crew understands Whittier’s earthquake-distorted frames, non-standard vintage sizing, and inland heat loads before they remove the first piece of trim. At Lightwell Windows & Doors, we measure every rough opening for plumb and square, account for foundation settlement from the ’87 Whittier Narrows quake, and put your written price in hand before any work starts. Call (562) 478-8017 to schedule your free estimate.
Why Whittier Homes Are Different
Whittier sits directly atop the Whittier Fault, and the legacy of the 1987 Whittier Narrows earthquake left much of the city’s housing stock with racked frames, settled foundations, and out-of-square rough openings. In the Uptown corridor and surrounding neighborhoods, we regularly arrive to 1920s – 1940s California Craftsman bungalows and Spanish Colonial Revival homes with original wood-sash single-pane windows that are painted shut, rotted at the sill, or cut to dimensions no modern manufacturer stocks as standard. The east and south neighborhoods are filled with 1950s – 1960s ranch tracts still running original aluminum sliders with failed glazing seals and corroded hardware.
Climate makes the work harder too. Whittier’s inland position pushes summer highs into the upper 90s, and Santa Ana wind events etch exposed glass and shred weatherstripping faster than in coastal LA just 15 miles west. South- and west-facing windows on older wood-frame homes deteriorate dramatically faster here. Low-E solar-control glazing is not an upsell in Whittier; it is a functional necessity for comfort and energy bills. Crews who do not shim and plumb every new frame before fastening, accounting for that ongoing micro-settlement, are skipping a step that local conditions punish within a season or two.
Our Main Whittier Services
Whittier homeowners call us most often for these three services, each with its own dedicated page and pricing detail:
Window Replacement in Whittier
We replace windows in Whittier’s Craftsman bungalows, Spanish Colonial Revival homes, and mid-century ranches, handling the non-standard sizing and earthquake-racked frames that out-of-area crews often miss. Every replacement starts with a plumb-and-square check of the rough opening, then custom-sizing or precision shimming as needed. We carry CWS and ECO Window Systems products suited to Whittier’s inland heat load, with low-E options that cut solar gain without darkening the glass. Shoe covers and drop cloths protect your floors, and we photo the clean-up before we leave. Window Replacement in Whittier

Window Installation in Whittier
New window installation in Whittier means cutting openings into walls that may have settled unevenly since 1987, especially in the Uptown area and central neighborhoods where foundation movement shows up as diagonal gaps at corners. We map structural loads, verify square, and flash for Santa Ana-driven rain penetration before any window goes in. Our crews follow C.A.R.E. values on every visit: Clean up like it is our own home, Ask before we move or touch anything, Respect your family’s time and quiet hours, Explain the price before the work. Window Installation in Whittier

Door Installation in Whittier
Door installation in Whittier often reveals the same earthquake legacy: racked jambs, hinges pulling out of twisted framing, and thresholds sitting unevenly on settled slabs. We correct the frame before hanging the door, not after, using long screws into structural framing and composite or Therma-Tru fiberglass units that resist the heat cycling and wind exposure common here. Pet-safe sealants and quiet tool use during nap time are standard on every job. Door Installation in Whittier

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 Whittier
We stock and install from eight manufacturer brands: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For Whittier’s climate and housing stock, we most often recommend CWS vinyl for thermal performance and ES Windows aluminum for coastal-grade wind resistance at inland pricing. Most hardware and sash balances are stocked locally through our Los Angeles office, so odd-size or earthquake-corrected orders do not add weeks to your timeline. See our brands for full specifications.
Pricing for Window Company in Whittier, CA
| Service | Typical range in Whittier |
|---|---|
| Standard vinyl window replacement (per opening) | $650 – $1,100 |
| Wood-clad or fiberglass window replacement (per opening) | $950 – $1,400 |
| Custom-size or non-standard vintage window replacement | $1,200 – $1,800 |
| Sliding glass door replacement | $1,800 – $3,200 |
| Fiberglass entry door installation | $1,200 – $2,400 |
| Steel entry door installation | $1,400 – $2,800 |
| French or patio door installation | $2,200 – $3,800 |
| Earthquake frame correction / re-shimming (add-on) | $150 – $350 per opening |
| Low-E solar-control glazing upgrade | $80 – $140 per opening |
| Full-frame replacement (vs. insert) | $200 – $400 per opening additional |
Prices in Whittier run toward the higher end of these ranges when we are correcting earthquake-racked frames, working with non-standard vintage dimensions, or replacing full frames rather than inserts. We put every price in writing before any work starts, with line-item detail, and that number does not change once the job begins.
Neighborhoods We Serve in Whittier
We work across Whittier’s full range of housing eras and conditions, from the historic core to the postwar edges. Crews dispatch from our Los Angeles office and typically arrive within the scheduled window anywhere in the city.
- Uptown Whittier
- East Whittier
- South Whittier
- Whittier Hills
- Central Park / Hadley-Greenleaf
Service Area – Cities Near Whittier
We serve homeowners throughout the Whittier area and in neighboring communities where similar housing stock and inland climate conditions apply. Our crews regularly work in Pico Rivera, CA, South El Monte, CA, Hacienda Heights, CA, and Montebello, CA. Scheduling and material coordination run through our Los Angeles office, with local crews assigned to each job based on proximity and specialty.
Serving Whittier, CA - Our Local Coverage Area
We’re based in the Whittier 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 Whittier
Yes, the City of Whittier requires permits for most window and door replacements that change the opening size or involve structural modification. We pull all required permits and schedule inspections as part of our standard process, with permit costs itemized in your written quote. Call (562) 478-8017 to confirm what your specific job requires.
We check every rough opening for plumb and square before ordering or installing, then shim and correct as needed rather than forcing a standard unit into a distorted frame. This extra step prevents binding, air infiltration, and premature seal failure, and it is built into our Whittier pricing with no surprise add-ons. Call (562) 478-8017 for an exact quote on your home.
Yes, we work with manufacturers including CWS and ECO Window Systems that offer divided-light grids, simulated putty lines, and custom color matching suited to Craftsman and Spanish Colonial Revival homes in the Uptown corridor and surrounding neighborhoods. We measure existing units precisely and photo-match finishes where needed. Call (562) 478-8017 to schedule a free estimate and review options.
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 Whittier Customers Say
"Quiet, considerate install of several windows. They cleaned the glass and the sills and vacuumed every room. You'd never know a crew had been through. House is quieter and brighter."
- Brent Sakamoto"New patio slider. Clean install, they protected the floor and hauled off the old door. Quiet, polite crew that worked around my work calls without complaint."
- Andre Bellamy"They replaced a big foggy picture window. Careful with the furniture, laid down protection, and left no mess at all. Calm and respectful crew, and the view is clear again."
- Teresa Okafor










Before
After
Before
After
Before
After