Windows and Doors Service

Windows and Doors Services

At DESIGN BUILDERS GROUP, we specialize in enhancing your home with high-quality windows and doors that not only improve its appearance but also its efficiency and security. Serving both Los Angeles and the broader California area, we offer a comprehensive range of services tailored to meet the unique needs of your home.

As a leading supplier of windows and doors in Toronto, we offer a huge selection of replacement windows and doors including energy-saving windows, patio doors, garden doors, storm doors, entrance doors and porch enclosures in every type of material imaginable.

Whether you’re renovating an existing property or building a new one, DESIGN BUILDERS GROUP is here to provide you with the best windows and doors solutions in the market. Contact us today to find out more about our products and services, and how we can help transform your home with new windows and doors.

Our Windows and Doors Services

  • Window Replacement and Installation

    Upgrade your home with our selection of windows designed to enhance energy efficiency and beauty. From energy-saving windows that help reduce heating and cooling costs to stylish designs that complement your home’s aesthetics, we have options to fit every need and budget.

  • Door Replacement and Installation

    Whether you’re looking for a new front entrance door that makes a statement or a practical, sturdy service door, our extensive range of materials and styles ensures you find the perfect match for your home's architecture and your personal taste.

  • Patio and Garden Doors

    Connect your indoor and outdoor spaces seamlessly with our range of patio and garden doors. Available in sliding, bi-fold, and French door styles, these doors offer ease of use, security, and an expansive view of your outdoor living areas.

  • Storm Doors

    Add an extra layer of protection against the elements with our storm doors. Designed to withstand harsh weather, these doors also enhance the energy efficiency of your home by providing an additional insulating layer.

  • Energy-Saving Solutions

    Our energy-efficient windows and doors are designed to keep your home comfortable year-round, lowering energy costs and reducing your environmental footprint. Choose from a variety of materials and technologies that meet or exceed current energy standards.

  • Customized Porch Enclosures

    Expand your living space with a customized porch enclosure that fits the existing aesthetic of your home. Perfect for enjoying the outdoors regardless of the weather, our porch enclosures are designed for both beauty and functionality.

  • Diverse Material Options

    We offer windows and doors in every type of material imaginable, including wood, vinyl, aluminum, fiberglass, and more, each offering its own benefits in terms of durability, maintenance, and appearance.

  • Expert Installation

    Our skilled technicians ensure that all installations are performed with meticulous attention to detail and respect for your home and time. We pride ourselves on a clean, efficient, and professional installation process.

Security Windows

Security Windows

Our security series windows feature stronger glass and more secure locking mechanisms to enhance safety.

Privacy Windows

Our privacy series windows enhance your privacy and can include built in blinds, decorative glass, film applications and more.

Comfort Windows

Our comfort window series includes the ultimate performance glass that provides year round comfort and efficiency.

Maintenance Free

Our maintenance free windows provide maximum enjoyment without the need to clean them regularly.

Our selection of quality and affordable doors in California is unequaled. From regular front entry doors, double entry doors, wrought iron doors, patio doors, garden doors, single or double, you name it, we’ve got it! We also offer services in custom made porch enclosures and greenhouses.

Want a custom designed door?  Anything you design, we can install.


Wood Doors

Beautiful and strong wood doors add beauty to any home.


Steel Doors

We have a huge selection of steel doors for every project and budget


Minimal maintenance and strong R-Value with the look of wood.

Windows & Doors Work

Handle installed on wood door lock systems security protection for apartment.
Carpenter fixing lock in door with home hand close-up.
Female hand opening wooden door to hotel room
Blue wooden door and window on old white wall background
Man doing aluminum frame with wire screen door and window installation work in construction site
Old wooden windows on the white wall.
Bright trendy room with large window and dark door

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6213 Costello Ave Van Nuys, CA 91401

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    About Us

    We will strive to achieve, surpass and become the construction industry’s benchmark. Design Builders will endeavor to become the benchmark for the construction industry through consistent delivery of globally standardized quality of construction. To this end we are committed to studying , understanding, achieving and

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