Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Window Company in Bonita, CA
Most Bonita window and door projects run $650 – $2,800 per opening depending on whether we’re replacing a corroded aluminum slider or installing a new French door in an expanded patio wall. We’re Lightwell Windows & Doors, the Cedarwell location serving Bonita from our San Diego office, and we specialize in the oversized single-pane aluminum frames and wide sliding glass doors that dominate this valley’s 1970s – 1990s ranch homes. Call (562) 478-8017 to schedule a free estimate with a written price before any work starts.
Why Bonita Homes Are Different
Bonita sits in the Sweetwater Valley, far enough inland that summers run hotter and Santa Ana winds hit harder than they do on the San Diego coast. Those dry, high-velocity gusts cycle door threshold seals and window hardware to failure faster than in shoreline neighborhoods, while the valley’s heat trapping makes original single-pane aluminum frames genuinely uncomfortable, not merely dated.
The housing stock compounds this. Large-lot ranch and split-level homes built from the mid-1960s through the early 1990s, many custom or semi-custom, were designed around indoor-outdoor living with sprawling glass footprints: fixed picture windows framing canyon views, oversized aluminum sliders opening to patios. That 1970s – 1980s cohort in particular used two- and three-panel track systems that are now corroded and warped, with openings so large that stock replacements rarely fit without custom framing.
Permits add another layer. Because Bonita is unincorporated San Diego County territory, every window and door permit routes through the county building department in Kearny Mesa, not through any city office. Contractors who mostly work Chula Vista or National City often stumble on county-specific submittal requirements, inspection scheduling, and energy-compliance documentation that city-permit workflows don’t prepare them for.
Our Main Bonita Services
These are the three projects Bonita homeowners call us about most often. Each has its own page with detailed pricing, brand options, and local considerations.
Window Replacement in Bonita
We replace oxidized single-pane aluminum frames with dual-pane, Low-E units that cut heat gain through those canyon-facing picture windows and south-facing sliders. Most Bonita replacements involve custom sizing because the original openings were built to era-specific dimensions, and we measure twice to avoid the framing surprises that delay county inspections. Our crews work with shoe covers and drop cloths, and we photograph the clean-up before leaving. Window Replacement in Bonita

Window Installation in Bonita
New window installation in Bonita typically means cutting into stucco or drywall for additions, ADUs, or wall reconfigurations that bring more daylight into split-level floor plans. We coordinate county permit submittals directly, specify Title 24-compliant glazing for the valley’s heat load, and explain the full price before cutting any opening. Pet-safe sealants and quiet tools during nap time are standard on every job. Window Installation in Bonita

Door Installation in Bonita
Wide aluminum sliding glass doors are the signature feature of Bonita’s ranch homes, and their corroded track systems are what we encounter most. We install fiberglass and steel entry systems from Therma-Tru, multi-slide patio doors, and custom-width replacements for those oversized 1970s – 80s openings that no longer plumb true. Every installation includes a written quote with no change orders. Door Installation in Bonita

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 Bonita
We carry eight manufacturer lines including CGI, CWS, ES Windows, and ECO Window Systems, with common frame sizes and hardware kits stocked locally for Bonita’s typical ranch-home openings. Most custom orders arrive within 10 – 14 business days, and we coordinate delivery to avoid leaving your home open overnight. See our brands for the full lineup.
Pricing for Window Company in Bonita, CA
| Service | Typical range in Bonita |
|---|---|
| Single-hung window replacement (standard opening) | $650 – $1,200 |
| Sliding window replacement (custom width) | $850 – $1,550 |
| Picture window replacement (large fixed) | $1,100 – $2,200 |
| Bay or bow window replacement | $2,400 – $4,800 |
| Sliding glass door replacement (2-panel) | $1,800 – $3,200 |
| Sliding glass door replacement (3-panel, oversized) | $2,600 – $4,500 |
| French door installation (hinged patio) | $2,200 – $3,800 |
| Entry door replacement (fiberglass or steel) | $1,500 – $2,800 |
| New window cut-in (stucco, per opening) | $1,400 – $2,600 |
| Hardware/lockset upgrade (per door) | $180 – $340 |
Prices in Bonita trend toward the higher end of these ranges when openings require custom framing, when county energy-compliance documentation adds engineering review, or when Santa Ana wind exposure calls for upgraded hardware. We put every price in writing before work starts, and that written price does not change unless you add scope.
Neighborhoods We Serve in Bonita
We work across Bonita’s full unincorporated footprint, from hillside canyon properties to valley-floor ranches. Most addresses are within 20 minutes of our San Diego dispatch office, and we schedule Bonita appointments to avoid school-pickup traffic on Bonita Road.
- Bonita Long Canyon
- Valley Vista
- El Cerrito Estates
- Bonita Woods
- Sunnyslope
Service Area – Cities Near Bonita
Our crews serve the full Sweetwater Valley and surrounding communities. We regularly work in National City, CA on its older bungalow and postwar stock, Chula Vista, CA for its mix of historic and newer construction, Lemon Grove, CA with its hillside homes and canyon exposures, and Spring Valley, CA for similar vintage ranch properties. County permit coordination covers all these unincorporated and city jurisdictions.
Serving Bonita, CA - Our Local Coverage Area
We’re based in the Bonita 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 Bonita
All permits route through San Diego County’s building department because Bonita is unincorporated territory. We handle county submittals, Title 24 energy calculations, and inspection scheduling directly, so you don’t need to drive to Kearny Mesa yourself. Call (562) 478-8017 and we’ll explain what’s needed for your specific project.
Those dry inland gusts cycle hardware and compress weatherstripping faster than coastal conditions, so we specify reinforced locks, upgraded threshold seals, and wind-rated patio door systems for exposed exposures. The right specification upfront prevents callbacks. We’ll walk through the options during your free estimate.
Yes, but rarely with stock units. Bonita’s era-specific sliding glass doors and picture windows were built to dimensions that most manufacturers no longer catalog standard. We measure on-site, order custom-framed replacements from CWS or ES Windows, and confirm fit before removing your existing unit. Call (562) 478-8017 to schedule measuring.
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 Bonita Customers Say
"Replaced six windows. The crew laid runners through the house and vacuumed each room as they finished. With a crawling baby, that no mess thing meant a lot. Windows are gorgeous."
- Rosalind Kemp"Lovely windows and a tidy install. One window came in a couple weeks late from the factory, so that opening finished after the others. They kept me posted and the rest was spotless."
- Mia Donnelly"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










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