Seattle Bay and Bow Window Replacement
Company & Contractor Servicing Seattle
If your home enjoys plenty of sunlight and a scenic view, bay and bow windows can instantly enhance its style and atmosphere. Bay windows are built with three windows, a large center picture window flanked by angled side panels that can open for ventilation. Bow windows include four or more equal-sized panels that form a gentle curve, creating a wider, better view. Both designs extend outward from your home to add depth, dimension, and natural light, transforming any room into a brighter, more inviting space.
For expert Seattle bay and bow window replacement, trust Lake Washington Windows & Doors to deliver precision installation and lasting beauty.
Bay and Bow Window Manufacturers Carefully Chosen for You
With over 30 years of experience in the window industry, we’ve built trusted relationships with industry-leading manufacturers who deliver the best combination of quality, innovation, and long-term value. Our team uses that experience to help you choose bay and bow windows that enhance your home’s beauty, comfort, and efficiency.
Our partner manufacturers for bay and bow windows include Milgard and Anlin windows, known for their consistent product quality, dependable service, and strong warranty support. Their long-standing presence in the industry and commitment to continuous improvement ensure that every window we install meets the highest standards for performance and design.
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Bay and Bow Windows Designed for Beauty, Strength, and Comfort
Transform your home with bay and bow windows that combine architectural elegance with lasting performance. These stunning windows open up your living space with panoramic views, bring in abundant natural light, and add dimension to any room, while being fully customizable to fit your home’s unique style and comfort needs.
Milgard Ultra Series Fiberglass Bay and Bow Windows
Experience the beauty and performance of Milgard Ultra Series fiberglass windows, designed to bring architectural elegance and lasting value to your home. Made primarily from silica sand, fiberglass offers exceptional strength, energy efficiency, and durability while resisting swelling, rotting, and warping for years of reliable performance. Combining eco-friendly materials with advanced window technology, Milgard Ultra Series windows are built to look beautiful and perform flawlessly in any Pacific Northwest home.
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Extremely durable with an expected lifespan of nearly 80 years.
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Strong frame material allows for large custom sizes
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Paintable frames that you can update to match current home color trends
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Low expansion/contraction rate through 100-degree temperature changes means less glass and caulking failure over time
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An ENERGY STAR package tailored to the Seattle region for optimal energy efficiency.
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Custom colors, hardware, and glass options to match any home design.
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Color Options |
Grid Styles |
Grid Patterns |
Glass Textures |
Tint Options |
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White |
Interior grids |
Standard |
Obscure Aquatex |
Solar bronze |
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Frost |
Flat grid |
Standard half |
Obscure clear 42 |
Solar gray |
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Harmony |
Sculptured grid |
Valance |
Obscure Delta Frost |
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Bark |
3/4″ Vintage SDL |
Perimeter pane |
Obscure frosted glue chip |
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Black bean |
1-1/8″ Vintage SDL |
Perimeter corner |
Obscure glue chip |
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Black bean |
1-1/8″ Craftsman SDL |
Obscure Matelux |
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1-1/8″ Legacy SDL |
Obscure narrow reed |
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Obscure P516 |
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Obscure rain |
Anlin Coronado Vinyl Bay and Bow Windows
Anlin Coronado Windows are crafted to complement other Anlin window series while offering the extra frame depth needed for operating styles like double-hung, double-slider, and casement windows. These windows ensure a consistent look across your home without sacrificing performance or functionality. Each bay or bow window can be customized with picture, double-hung, or casement configurations to suit your home’s style and ventilation needs.
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Built with 1-3/8” solid plywood seatboards and headboards featuring A-1 grade oak veneer inside and a moisture-resistant vinyl coating outside.
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Choose from 12 exterior frame colors designed to complement any home style.
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Engineered for superior energy efficiency with insulated vinyl frames and high-performance glass options.
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Backed by Anlin’s industry-leading Limited Double Lifetime Warranty for lasting peace of mind.
| Window Configuration | Glass Packages | Color Options | Grid Style | Grid Pattern | Security | Noise Reduction | Warranty |
| Picture + 2 double-hung windows | SunMatrix | White | 5/8″ Flat | Colonial | First Guard | Sound Package | Limited Double Lifetime |
| Picture + 2 casement windows | Infinit-e | Adobe | 5/8″ Sculptured | Perimeter | Sash dead bolt | ||
| 3 picture + 2 casement windows | SunShield | Tan | 1″ Sculptured | Continuous interlock | |||
| CoolShield | Architectural black | ||||||
| Luminance | Architectural bronze | ||||||
| QuadraTherm | Architectural silver | ||||||
| Classic gray | |||||||
| Espresso | |||||||
| Taupe | |||||||
| Red pepper | |||||||
| Rose Wood | |||||||
| Desert tan | |||||||
| Sandstone | |||||||
| Divine wine | |||||||
| Forest green |
Benefits of Getting Bay and Bow Windows
Bay and bow windows offer a variety of benefits that enhance your home’s comfort, style, and functionality.
- Add usable space: Bay and bow windows extend beyond the wall to create extra room for seating, décor, or shelving, making small areas feel more open and functional.
- Bring dimension to flat walls: Their projecting design adds shape and visual interest, giving living rooms, dining rooms, and kitchens a more dynamic architectural look.
- Open up wider views: Multiple angled or curved panels expand your sightlines, providing broad, uninterrupted views that standard flat windows can’t match.
- Brighten your home naturally: By capturing light from several directions, bay and bow windows fill your space with more daylight and create a warm, inviting atmosphere.
- Improve airflow: When built with operable windows, they pull in fresh air from different angles, helping maintain a comfortable indoor environment.
- Enhance exterior appeal: Their distinctive shape adds character to your home’s façade and creates a standout architectural feature that elevates curb appeal.
- Support year-round comfort: Modern insulated frames and high-performance glass options help stabilize indoor temperatures and reduce heat loss.
- Create a natural focal point: The interior alcove formed by a bay or bow window becomes a perfect place for a reading nook, dining spot, or decorative display.
- Increase home value: Because they add space, style, and light, bay and bow windows are viewed as premium upgrades that can make your home more desirable to buyers.
Upgrade Your Home with Expert Bay and Bow Window Installation
Transform your living space with professional bay and bow window installation from Lake Washington Windows & Doors. Our fully licensed, bonded, and insured team installs each window with precision to ensure long-lasting beauty, performance, and energy efficiency. We make the process simple and transparent-from start to finish-so you can enjoy your new windows with confidence.
Whether you live in Seattle or a nearby community, we’re here to help you bring more light, comfort, and style into your home. Get started today by scheduling a complimentary in-home consultation, and experience the difference of new windows backed by our exclusive Leak Armor Lifetime Installation Guarantee.
COMMERCIAL-GRADE Installation
Leak Armor Lifetime Installation Guarantee
When it comes to preserving the lifespan of your new windows and doors, installation matters. Thousands of window and door installations have honed our replacement process to perfection. For each project, our team follows a streamlined 3-step process to ensure you experience minimal delays and inconvenience before enjoying the benefits of your new window or door.
FAQs – Replacement Bay and Bow Window Installation
Are bay and bow windows energy efficient in Seattle’s climate?
Absolutely. The Milgard and Anlin windows we install are engineered for the Pacific Northwest, featuring insulated frames, advanced Low-E glass coatings, and airtight seals. These features help reduce heat transfer, prevent condensation, and keep your home comfortable year-round while lowering energy costs.
Do bay and bow windows require special maintenance?
Maintenance needs depend on the frame material. Fiberglass windows like Milgard’s Ultra Series require minimal care, usually just occasional cleaning. Vinyl options like Anlin’s Coronado Series are equally low-maintenance and resist fading, warping, and rot. Regular cleaning of the glass and seals is all that’s needed to keep them looking new.
Can I customize the interior of my bay or bow window?
Yes. Many homeowners choose to personalize the interior space with a window seat board, shelving, or decorative trim. Both Milgard and Anlin offer customizable finishes, wood veneers, and paintable surfaces, so your new window complements your home’s design inside and out.
What should I expect during installation?
Our installation process is efficient and customer-focused. After your complimentary in-home consultation, our certified contractors measure, prepare, and install your new window with precision. We protect your home during installation, clean up thoroughly afterward, and ensure everything is sealed, insulated, and functioning perfectly before we leave.
Do bay and bow windows come with warranties?
Yes. All our products are backed by strong manufacturer warranties and our Leak Armor Lifetime Installation Guarantee, providing long-term protection for both the product and the workmanship. This ensures your investment in new bay or bow windows is protected for years to come.





