Replacement Window Specialists Serving the SF Peninsula
Energy Efficient Replacement Windows for San Mateo Homes
Alexander Company provides expert replacement window installation for homes across San Mateo County, including mid century ranches in Daly City, classic homes in Baywood and Aragon, hillside properties in Emerald Hills, and estates in Hillsborough. The window brands we carry are built to withstand Peninsula conditions, from coastal moisture and salt air to warm inland afternoons, while improving energy efficiency, comfort, and security.
We install vinyl, aluminum, wood, fiberglass, and composite windows selected for long term performance and architectural fit. Carefully chosen replacement windows can refresh your home’s look, reduce outside noise, and support consistent energy use, all while preserving your home’s character.
Expert window installation is just a phone call away!
Why Choose Alexander Company to Install Your Windows?
For homeowners across the San Francisco Peninsula, Alexander Company is a trusted choice for high quality window 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 windows built to last
- Complex Project Expertise – Structural modifications, permits, and custom window 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
Upgrade your home with energy efficient replacement windows that improve comfort, reduce outside noise, and enhance curb appeal.
Get to Know Your Window Options
Homes on the SF Peninsula vary in style and age, and the right windows make a real difference in comfort, ventilation, and design. At Alexander Company, we help homeowners choose the best fit, whether it is a mid-century ranch in Daly City, a classic home in Baywood or Aragon in San Mateo, a hillside property in Emerald Hills, or a traditional estate in Hillsborough.
Knowing your options from sliding and casement to bay and picture windows lets you improve performance while preserving your home’s character.
Window Types
Swipe left or tap the arrows to explore different window styles.
Sliding Windows
- Smooth horizontal operation
- Ideal for wide openings and contemporary designs
- Saves space while letting in plenty of light
- Note: Double Horizontal Slider shown
Single-Hung Windows
- Bottom sash opens for ventilation, top sash stays fixed
- Practical for bedrooms and smaller spaces
- Classic, clean design that suits many home styles
Double-Hung Windows
- Both sashes open for flexible airflow
- Tilt in feature makes cleaning simple
- Timeless design for many Peninsula homes
Casement Windows
- Hinged design opens fully for ventilation
- Clear, unobstructed views
- Tight seal improves energy efficiency
Awning Windows
- Top-hinged for airflow even in light rain
- Works well in bathrooms or above larger windows
- Complements traditional and Craftsman homes
Fixed & Picture Windows
- Non operable for expansive views
- Custom shapes and sizes available
- Maximizes natural light
Bay Windows
- Extends outward to create extra interior space
- Brightens living areas naturally
- Ideal for seating or reading nooks
Bow Windows
- Curved multi-window design for panoramic views
- Adds dimension and elegance to your home
- Creates a light-filled focal point
Garden Windows
- Projects outward for plant space and sunlight
- Great for kitchens and small sunrooms
- Adds charm and function
Sliding Patio Doors
- Smooth gliding operation for easy indoor-outdoor flow
- Expands living space naturally
- Energy-efficient glass keeps your home comfortable
- Secure locking system for safety
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!
Brands We Carry
Window Material Options
Choosing the right window material is essential for durability, performance, and style. At Alexander Company, we guide SF Peninsula homeowners through high quality material options from respected manufacturers known for craftsmanship and innovation.
Vinyl Windows
Durable, low-maintenance, and energy-efficient, vinyl windows are the most popular choice for SF Peninsula homes.
Available from:
- Milgard
- Marvin
- Simonton
- Andersen
Aluminum Windows
Sleek, strong, and low-profile, aluminum frames give a modern look while keeping your home structurally sound.
Available from:
- Milgard
- Andersen
Wood Windows
Classic warmth and natural beauty make wood windows perfect for luxury or traditional homes.
- Andersen
- Andersen E-Series
Aluminum-Clad Wood Windows
Combine the elegance of wood inside with durable aluminum exterior for a long-lasting, stylish window.
Available from:
- Andersen E-Series
Fiberglass Windows
Engineered for strength and thermal stability, fiberglass resists warping and handles temperature swings effortlessly.
Available from:
- Milgard
Composite (Fibrex®) Windows
Eco-friendly and maintenance-free, composite windows give the look of painted wood with exceptional durability.
Available from:
- Andersen
Need help choosing the right window material for your home?
Schedule your free, no obligation consultation today.
Replacement Window FAQs for San Mateo
County and Peninsula Homes
If your windows are drafty, difficult to operate, have visible damage, or are causing high energy bills, it may be time for a replacement. Many older Peninsula homes built before the 1980s can benefit from modern, energy-efficient windows that better handle coastal moisture and temperature changes.
Homes here face fog, salt air, and temperature swings. Vinyl, fiberglass, and aluminum windows perform well in these conditions, while wood and aluminum-clad wood windows provide a high-end look for traditional or luxury homes without sacrificing durability.
The timeline depends on the number of windows, type, and home style. A typical San Mateo County home with standard-sized windows can usually be completed in a few days, including removal, installation, and finishing touches.
Yes. Modern replacement windows can reduce heat loss in winter and keep homes cooler in summer. Proper installation ensures tight seals, which helps lower energy bills while improving indoor comfort throughout the year.
Absolutely. We install windows that complement mid-century ranches, classic Baywood homes, hillside properties in Emerald Hills, and estates in Hillsborough. You can maintain your home’s character while upgrading performance and durability.
Most window replacements in single-family homes do not require a permit if the size and structure are unchanged. For larger openings or structural modifications, your contractor can help secure the proper permits to ensure compliance with local building codes.
Window Styles to Fit Any Home
We offer a wide range of replacement window styles to complement traditional, transitional, and modern homes.
Our team helps you compare materials, configurations, and design details to find the right fit for your space and performance needs.