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Window Company in Agoura Hills, CA
Most window and door replacements in Agoura Hills run between $650 and $1,400 per opening, with full-home projects typically ranging from $8,000 to $22,000 depending on fire-code requirements and the number of units. We’re Lightwell Windows & Doors, the independently operated Cedarwell company serving Agoura Hills from our Los Angeles office, and we carry eight manufacturer brands so the product fits your home instead of the other way around. Every job starts with a written price before any work begins, and every crew follows our C.A.R.E. values: Clean up like it’s our own home, Ask before we move anything, Respect your family’s time and quiet hours, and Explain the price before the work starts. Call (562) 478-8017 to schedule your free estimate.
Why Agoura Hills Homes Are Different
Agoura Hills sits entirely within California’s Very High Fire Hazard Severity Zone, and the 2018 Woolsey Fire burned directly through local neighborhoods. That single fact changes virtually every window and door replacement here. Where a standard swap might suffice in Calabasas or Westlake Village, Agoura Hills jobs must comply with Chapter 7A fire-resistant construction standards: multi-pane tempered or fire-rated glazing, ember-resistant frames, and weatherstripping that meets State Fire Marshal listing requirements. The LA County building inspector routinely demands SFM documentation before closing a window permit, a step that catches unprepared contractors off guard and sends them scrambling back to suppliers.
The housing stock compounds this. Most homes here were built between the mid-1970s and early 1990s as ranch-style and two-story tract developments, still fitted with original aluminum-frame single-pane windows that fail both Title 24 energy standards and current WUI fire codes. Replacement means pulling out those dated aluminum sliders and installing dual-pane, SFM-listed assemblies that satisfy both mandates at once.
Then there’s the wind. Agoura Hills’s position in the Santa Monica Mountains foothills funnels Santa Ana events through local canyons, putting cyclic pressure on aging frames and accelerating weatherstripping failure. We see a predictable surge of service calls from October through December. The prolonged dry summers shrink wood door frames and thresholds, while canyon-amplified radiant heat delaminates seals on older dual-pane units faster than in coastal communities.
Our Main Agoura Hills Services
Agoura Hills homeowners call us most often for three projects, each shaped by the city’s unique fire-code and climate demands.
Window Replacement in Agoura Hills
Window replacement here means removing original aluminum single-pane units and installing dual-pane, SFM-listed assemblies that satisfy both Chapter 7A fire resistance and Title 24 energy codes. We regularly see homes in Old Agoura and Malibu Junction where the original 1970s sliders have delaminated seals from canyon heat or cracked frames from Santa Ana wind pressure. Our crew pulls permits with SFM documentation already in hand, so the inspection closes on the first visit. Window Replacement in Agoura Hills

Window Installation in Agoura Hills
New window installation in Agoura Hills typically involves additions, ADUs, or garage conversions where the opening itself must be framed to meet VHFSZ standards from the start. We specify fire-rated framing, tempered glazing, and ember-resistant venting that satisfies LA County’s stricter review process for this zone. The same crew handles the framing inspection and the final window inspection, so there’s no handoff confusion about who holds the SFM paperwork. Window Installation in Agoura Hills

Door Installation in Agoura Hills
Door installation in Agoura Hills focuses heavily on fire-rated entry systems and ember-resistant weatherstripping, especially for homes backing up to open space in Morrison Ranch or Fountainwood. Wood door frames shrink and gap during dry summers, compromising both energy performance and ember exclusion. We install pre-hung fiberglass and steel entry systems with SFM-listed components, and we adjust thresholds seasonally to account for wood movement in this climate. Door Installation in Agoura Hills

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 Agoura Hills
We stock and install from eight manufacturer brands: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For Agoura Hills’s fire-code requirements, we typically specify CGI and CWS for their SFM-listed impact and fire-rated lines, with ES Windows and ECO Window Systems for energy-efficient dual-pane assemblies. Most standard parts are on hand in our Los Angeles warehouse, so fire-rated specialty orders don’t add weeks to your timeline. our brands
Pricing for Window Company in Agoura Hills, CA
| Service | Typical range in Agoura Hills |
|---|---|
| Single window replacement (standard dual-pane, SFM-listed) | $650 – $1,100 |
| Single window replacement (fire-rated or impact-rated) | $900 – $1,600 |
| Full-home window replacement (10 – 15 openings, standard) | $8,000 – $14,000 |
| Full-home window replacement (10 – 15 openings, fire-rated) | $12,000 – $22,000 |
| New window installation (new construction opening) | $800 – $1,400 |
| Sliding glass door replacement (SFM-listed dual-pane) | $2,200 – $4,000 |
| Entry door installation (fiberglass, fire-rated pre-hung) | $1,800 – $3,500 |
| Entry door installation (steel, fire-rated pre-hung) | $2,000 – $3,800 |
| French door installation (SFM-listed, dual-pane) | $3,500 – $6,000 |
| Patio door weatherstripping replacement | $180 – $340 |
| Window seal repair (dual-pane delamination) | $220 – $400 |
Prices in Agoura Hills run higher than flatland LA County for two reasons: fire-rated glazing and framing assemblies cost more than standard units, and the SFM documentation and inspection process adds labor. We put every price in writing before any work starts, with line-item detail, so the number you agree to is the number on the invoice.
Neighborhoods We Serve in Agoura Hills
We work across Agoura Hills’s full footprint, from the canyon-adjacent streets of Old Agoura to the planned communities near Agoura Road. Most appointments are scheduled within two business days, with our Los Angeles office dispatching crews directly to your neighborhood.
- Old Agoura
- Morrison Ranch
- Fountainwood
- Malibu Junction
- Agoura Hills proper (south of the 101)
Service Area – Cities Near Agoura Hills
Our crews serve the full Conejo Valley and western San Fernando Valley corridor. We regularly work in Westlake Village, CA for lake-adjacent homes with different wind exposure, Oak Park, CA for hillside retrofits, Calabasas, CA where fire-code requirements vary by specific zone, and Thousand Oaks, CA for larger estate properties with custom opening sizes. Each city has its own permit rhythm and inspector preferences, and we adjust our paperwork and scheduling accordingly.
Serving Agoura Hills, CA - Our Local Coverage Area
We’re based in the Agoura 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 Window Company in Agoura Hills
Yes. Because Agoura Hills is entirely within a Very High Fire Hazard Severity Zone, LA County requires State Fire Marshal listing documentation for all glazing assemblies before permit closure. We pull permits with SFM paperwork already prepared, so inspections pass on the first visit. Call (562) 478-8017 if you’re unsure about your home’s specific requirements.
The Santa Anas funnel through Agoura Hills’s canyons with sustained pressure that accelerates weatherstripping wear and can rattle loose frames in older aluminum units. We see the most service calls from October through December, and we schedule preventive inspections in September for homeowners who want to catch gaps before the season starts. Call (562) 478-8017 to book a pre-wind-season check.
Absolutely. Our C.A.R.E. values require us to Respect your family’s time and quiet hours, Ask before we move or touch anything, and use pet-safe products wherever there’s a choice. We lay drop cloths before unloading tools, use shoe covers on every visit, and schedule noisy work outside nap times when you let us know the schedule. We also send a photo of the clean-up before the crew leaves, so you can verify the space is ready for kids and pets to return.
Call (562) 478-8017 to schedule your free estimate. We’ll put a written price in your hand before any work starts, and every job is covered by our 365-Day Done Right Promise.
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 Agoura Hills 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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