Patio Doors That Connect Your Home to the Outdoors

A well-designed patio door does more than provide access to your backyard. It enhances natural light, improves energy efficiency, and creates a seamless connection between indoor and outdoor living spaces.

Alexander Company specializes in replacement sliding, French, and multi-panel patio doors for homeowners across the San Francisco Peninsula, including Burlingame, San Mateo, Redwood City, and Hillsborough. With over 50 years of experience, our team delivers expert guidance and precise installation for long-lasting performance.

Not sure where to start? We’ll walk you through the options.

Why Choose Alexander Company?

For homeowners across the San Francisco Peninsula, Alexander Company is a trusted choice for high-quality patio door replacement. With decades of experience, we deliver expert installation, premium products, and dependable service.

Here’s why homeowners choose us:

  • Expert Installation – Precision work from an experienced, in-house team
  • Premium Products – Milgard, Simonton, Andersen, and Marvin options built to last
  • Complex Project Expertise – Structural work, permits, and custom solutions handled with confidence
  • Customer-First Service – Clear communication from consultation to completion
  • Family Owned & Operated – Serving Burlingame and the Peninsula with a strong reputation for quality

Refresh your home with a beautiful, energy-efficient patio door that enhances both function and style, creating a seamless indoor-outdoor connection.

Find the best replacement windows for your SF Peninsula home with expert guidance
and professional installation.

Expert window installation is just a phone call away!

Call Alexander Company at (650) 373-3900

Real Reviews from San Mateo County Homeowners

Patio Door Replacement Options

We offer a wide range of patio door styles designed to enhance indoor-outdoor living while improving energy efficiency and security. Our selection includes high-quality options from Milgard, Simonton, Andersen, and Marvin.

Customizable frame materials, glass packages, and finishes, let you find the perfect patio door solution for your home.

Patio Door Styles

Swipe left or tap the arrows to explore different window styles.

The Right Patio Door Makes All the Difference

Call (760) 598-6422 to schedule your consultation today!

Brands We Carry

Function, Form, and Fit—Patio Doors Done Right

Upgrade your patio door for comfort, style, and energy efficiency. Whether you’re replacing a door that sticks, leaks drafts, or shows visible wear, Alexander Company offers premium options from trusted brands like Milgard, Simonton, Andersen, and Marvin. With expert installation and personalized service, we make the process seamless from selection to completion.

Ready to transform your home? Contact us today to explore options and schedule your free consultation.

Patio Door FAQs – San Francisco Peninsula Homeowners

Sliding Glass Patio Doors

Yes. Sliding doors offer wide views, natural light, and smooth indoor-outdoor flow without taking up extra space. They are ideal for homes in Burlingame, San Mateo, Redwood City, and Hillsborough.

Quality doors from Milgard, Andersen, and Marvin have tight weather-stripping and energy-efficient glass. This reduces drafts, condensation, and noise from coastal winds.

Yes. Modern sliding doors with insulated frames and energy-efficient glass help keep homes warmer in winter and cooler in summer, which is important in Peninsula microclimates.

French-Style Sliding Patio Doors

French-style sliding doors combine the classic look of French doors with sliding functionality. They feature wider stiles, grid patterns, and traditional styling while saving space.

Yes. They slide rather than swing, so they do not require clearance, making them ideal for compact patios or decks common in Burlingame, Hillsborough, and San Mateo homes.

Use corrosion-resistant hardware and aluminum-clad or fiberglass frames. Clean tracks and hardware regularly to prevent issues from fog and moisture.

Swing Patio Doors (Including French Doors)

Swing doors open on hinges, either inward (inswing) or outward (outswing). French doors are a type of swing door installed in pairs that open from the middle, providing a wide and elegant entryway.

Yes. They work well on patios, decks, or balconies in Burlingame, San Mateo, Redwood City, and Hillsborough, as long as there is enough space for them to swing fully.

Inswing doors need clearance inside, outswing doors need room outside. Proper weatherproofing prevents drafts from coastal fog and wind. French doors give the same benefits but offer a wider opening and classic style.

Yes. Swing doors with multi-point locking systems are very secure and can outperform older sliding doors, especially in busy neighborhoods.

Tips for Selecting a Patio Door

Choosing the right patio door can improve your home’s comfort, style, and energy efficiency. Here are some key considerations for homeowners on the San Francisco Peninsula:

  • Choose low-maintenance materials like fiberglass, aluminum-clad wood, or vinyl to handle coastal moisture.
  • Use double-pane or Low-E glass to reduce condensation and improve energy efficiency.
  • Match grid patterns and finishes to local architectural styles such as Victorian, Mediterranean, or mid-century homes.
  • Check permit requirements for larger replacements or structural modifications, especially in Hillsborough and San Mateo.

Patio Door Styles for Every Home

Choose from a variety of patio door styles designed to suit traditional, transitional, and modern homes.

We help you evaluate materials, configurations, and glass options to create the right balance of function, light, and style.

Start Planning Your Patio Door Project

About Us

Alexander Company is a family owned door and window business that has been proudly serving the San Francisco Bay Area for over forty years. At Alexander Co., we carry a wide selection of the absolute highest quality windows and doors in San Francisco, and specialize in bringing our customers the absolute best door & window replacement, installation and repair services available in the bay area.

Alexander Company

1322 Marsten Rd,
Burlingame, CA 94010

(650) 373-3900

info@alexanderco.com

Mon – Fri: 8am – 4pm

Sat: 10am – 2:30pm

Sun: Closed

Visit Us

Contact Information
Alexander Company