Exterior Doors — Window Design Group





La Cantina · Windor · Milgard · AMI · ENERGY STAR Certified

Entry doors, French doors, patio sliders — installed by the same family for three generations.

French doors, sliding patio doors, bifold and folding doors, hinged patio doors, premium entry doors. Low-E coated argon-filled dual-pane glass that meets or exceeds California Title 24. ENERGY STAR certified. Factory-trained crews — never subcontracted.

Exterior Doors installation
A French door install — Low-E argon-filled dual-pane glass, weather-tight seals, quiet hardware.
Premium door brands we install — authorized dealers across all four
La CantinaWindorMilgardAMI

Order your windows and window coverings today.
40% off premium · $0 DOWN · 0% interest for up to 84 months · through Regions

What We Install

Exterior Doors, in every configuration we trust to last.

Windor · AMI

Entry Doors

Fiberglass and wood entry doors with architectural detail. Energy-rated cores, quality strike plates, weather-tight seals. Custom sizes and configurations for non-standard openings.

Windor · Milgard

French Doors

Double-leaf French doors with multi-point locking. Low-E argon-filled dual-pane glass. Open onto patios, gardens, or interior transitions.

Milgard · AMI · Windor

Patio Sliders

Wide-aperture sliding doors with smooth tracks. Low-E coated dual-pane glass cuts cooling load on west-facing openings. We measure, order, and install — including the deeper jambs common in older SoCal construction.

La Cantina

Bifold Systems

Multi-panel folding door systems that open an entire wall to outdoor living. Real engineering, real install care. Custom-sized for the wide openings in newer SoCal builds.

How We Work

Three steps. Same family team. Every install our name on it.

01

Free In-Home Consultation

A family team member visits, measures every opening, walks through options. No high-pressure sales. About an hour.

02

Hand-Picked Order & Build

We order direct from our manufacturers (no middlemen) and our family workshop preps the install. 2-5 weeks depending on product.

03

Family Crew Install

Our in-house crew installs every product. We clean up. We come back 6 months later to check.

"They quoted us, installed the exterior doors the next month, came back six months later to check everything. I have recommended them to four neighbors since."

Sarah K. · Westlake Village · 2024
Frequently Asked

Common exterior doors questions, answered.

How much do replacement doors cost in Southern California?

Depends on type, material, and size. Our vinyl replacement doors start at competitive prices — and we are currently running 40% off premium doors plus 0% financing for up to 84 months. Free in-home estimates, no hidden fees.

How long does a door install take?

Most single-door installs are completed in a single day by our factory-trained crews. For multi-door projects (front entry plus patio sliders), expect 1-2 days. Exact timeline at the free consultation.

What types of doors do you install?

Full range — French doors, sliding patio doors, bifold and folding doors, hinged patio doors, premium entry doors. Fiberglass, wood, steel. Custom sizes for non-standard openings.

Are your replacement doors energy-efficient?

All of our doors feature Low-E coated, argon-filled dual-pane glass that meets or exceeds California Title 24 energy requirements. ENERGY STAR certified. Most customers see noticeable utility bill reduction after upgrading from older single-pane or aluminum.

Do you replace the threshold and weatherstripping?

Always. Threshold, weatherstripping, sweep, jamb seals — all part of every door install. A door is only as airtight as its seal.

What warranty do you offer?

Lifetime workmanship warranty from us, plus manufacturer warranty on the door itself. BBB A+ Accredited, CSLB licensed.

Do you offer financing on doors?

Yes — through Regions, 12-84 month interest-free options with $0 DOWN, 0% interest for qualified buyers. Combined with our current 40% off promo on premium doors, monthly payments are very accessible.

Start your exterior doors project

A real number. A real visit. No pressure to decide that day.

Tell us how to reach you. One of the family team will call to schedule a free in-home consultation — usually within the same business day.

Ready when you are

Bring us into your home. We will bring fifty years of craft.

One visit. Real measurements. Real numbers — for windows, doors, shutters or shades. No pressure to decide that day.