Replacement Windows, Doors, Shutters & Shades in Calabasas, CA — Window Design Group

Calabasas · Las Virgenes

Windows, doors and shutters for Calabasas homes — across three generations and fifty combined years.

From the gated estates above the canyons to the older homes in the Old Town area, we install replacement windows, exterior doors, plantation shutters and custom shades by hand — same family every visit.

50 yr
Combined Experience
10x
Energy Performance
★ 4.8+
Customer Reviews
2
Generations
Window install in a Calabasas home
A Calabasas install — French doors opening to a canyon-view patio.
Why Calabasas
Most-installed line
La Cantina Folding Doors + Trinsic Windows
Neighborhoods we serve
Hidden Hills, Mountain View Estates, Calabasas Park Estates, The Oaks of Calabasas

Local architecture, local install context.

California ranch estates designed for indoor-outdoor living, Mediterranean villas with arched openings, and contemporary new builds that open entire back walls to the pool deck.

Calabasas is our specialty for bifold and stacking door systems. The architectural style here practically demands La Cantina folding doors or Milgard wide-aperture sliders — we have installed dozens of multi-panel folding systems in the gated communities.

Premium brands we install in Calabasas
Milgard AMI Norman USA
What We Install in Calabasas

Built for the way Southern California homes actually live — the canyon winds and sun-baked afternoons.

Milgard · AMI

Replacement Windows

Vinyl, wood and aluminum-clad windows from Milgard and AMI. Insulated E-glass for the canyon winds and sun-baked afternoons. Two-window minimum.

Hand-Picked

Exterior Doors

Entry doors, French doors and patio sliders for Calabasas homes. Fiberglass, wood, and steel — installed by our family team.

Norman USA

Plantation Shutters

Real hardwood and engineered composite shutters with mortise-and-tenon joinery — built for Calabasas exposure and finished in your light.

Norman USA

Custom Shades & Blinds

Motorized roller shades, Roman shades, woven wood and bi-fold systems — sized for the wide-aperture windows common in Calabasas homes.

Why Calabasas Homeowners Choose Us

Same family. Same install crew. Every Calabasas job our name on it.

01

We Know Calabasas

Three generations installing across Los Angeles County. We know which jamb depths matter, which exposures need premium UV glass, and which HOAs to navigate.

02

Family Crew. Not Subs.

The person who measures your window is on the install crew. No handoffs between sales and crew. No mystery quotes.

03

Long-Standing Brand Partnerships

Decades-long relationships with Milgard, AMI and Norman USA mean better pricing and faster lead times than a contractor going to a generic supplier.

"They quoted us, installed the windows and shutters the next month, came back six months later to check everything. I have recommended them to four neighbors since."
Sarah K. · Westlake Village · 2024
Start your Calabasas project

A real number. A real visit. We know Calabasas.

Tell us how to reach you. The family team will call to schedule a free in-home consultation in Calabasas — 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.