Western Washington’s Full-Service Home Contractors
Window, Door, and Siding Replacement & Installation Services
Greater Seattle Area
Windows & Doors
Insulation & siding
Egress Windows
Custom Decks
Free Estimates & financing



Western Washington’s Full-Service Home Contractors
Window, Door, and Siding Replacement & Installation Services
Greater Seattle Area
Windows & Doors
Insulation & siding
Egress Windows
Custom Decks
Free Estimates & financing



Your Home, Upgraded: Windows, Doors, Siding & More
Maximize your home’s efficiency, comfort, and curb appeal with our expert home improvement services. We specialize in high-quality installations using top industry brands to ensure long-lasting durability and performance.

Window & Door Replacement
Upgrade your home with energy-efficient windows and doors that improve security, insulation, and aesthetics.

Siding Installation & Replacement
Protect and beautify your home with durable, weather-resistant siding options tailored to the Pacific Northwest climate.

Home Insulation Solutions
Enhance indoor comfort and lower energy bills with high-performance insulation for attics, walls, and crawl spaces.

Weatherization & Energy Upgrades
Improve efficiency with advanced sealing, ventilation, and insulation techniques to reduce energy waste.

Flexible Financing & Rebates
Take advantage of financing options and local energy rebates to make your home improvement project more affordable.
Quality Home Windows & Doors to Choose From

Windows
Enhance Your Space with Style
Milgard has been serving the Pacific Northwest since 1962 with top quality window and glass products

Moving Glass Walls
Bringing the Outdoors In
The perfect way to create an open, airy, and seamless connection between your indoor and outdoor living spaces

Ply Gem Windows
Budget-Friendly Home Upgrades
Ply Gem Windows not only look beautiful but they also fit within most budgets and are high quality.

Window Wells
Basement Windows
Installing windows within “egress code” and for any foreseeable drainage or other issues

Casement & Awning
Maximum Ventilation & Natural Light
Casement windows are hinged at the side and open outward, to the left or to the right

Basement & Attic
Browse our Egress Window Options
Egress windows are large windows designed to provide an emergency escape route from basements, bedrooms, and habitable attics.

Building Envelope Systems
A well-designed building envelope acts as a shield for your home, protecting against air leaks, moisture intrusion, and heat loss. Our high-performance solutions enhance indoor comfort and energy efficiency, ensuring long-term durability.
Key Benefits of a Strong Building Envelope:
- Energy Savings: Minimize heat loss in winter and reduce cooling costs in summer.
- Moisture Control: Prevent mold, mildew, and structural damage caused by excessive moisture.
- Improved Comfort: Maintain a stable indoor temperature with better insulation and air sealing.
- Lower Maintenance Costs: Reduce wear and tear on HVAC systems, saving on repairs and replacements.
Our team uses advanced materials and expert installation techniques to ensure your home remains well-sealed, energy-efficient, and protected year-round.
Siding Replacement & Installation
Your home’s siding is its first line of defense against the elements. At Green Built Northwest, we install premium siding solutions that provide long-lasting durability, weather resistance, and enhanced curb appeal.
Our Siding Options:
- Fiber Cement Siding – Engineered for extreme durability, fire resistance, and low maintenance.
- Wood Siding – A timeless choice with natural beauty and excellent insulation properties.
- Vinyl Siding – A cost-effective, versatile option that offers strong weather resistance with minimal upkeep.
Why Upgrade Your Siding?
- Increased Home Value: Boost curb appeal and resale value with modern, attractive siding.
- Weather Protection: Guard against wind, rain, and temperature fluctuations.
- Energy Efficiency: Pairing new siding with proper insulation reduces heat loss and lowers energy bills.
- Low Maintenance: Enjoy long-lasting protection with minimal upkeep.
With high-quality materials and expert craftsmanship, we ensure your home’s exterior remains strong, stylish, and built to last.


Siding Replacement & Installation
Your home’s siding is its first line of defense against the elements. At Green Built Northwest, we install premium siding solutions that provide long-lasting durability, weather resistance, and enhanced curb appeal.
Our Siding Options:
- Fiber Cement Siding – Engineered for extreme durability, fire resistance, and low maintenance.
- Wood Siding – A timeless choice with natural beauty and excellent insulation properties.
- Vinyl Siding – A cost-effective, versatile option that offers strong weather resistance with minimal upkeep.
Why Upgrade Your Siding?
- Increased Home Value: Boost curb appeal and resale value with modern, attractive siding.
- Weather Protection: Guard against wind, rain, and temperature fluctuations.
- Energy Efficiency: Pairing new siding with proper insulation reduces heat loss and lowers energy bills.
- Low Maintenance: Enjoy long-lasting protection with minimal upkeep.
With high-quality materials and expert craftsmanship, we ensure your home’s exterior remains strong, stylish, and built to last.

Energy Efficiency in Your Home
Windows, insulation, and siding play a crucial role in making your home more energy efficient. Upgrading insulationhelps maintain consistent indoor temperatures, reducing the strain on your heating and cooling system. Combined with high-performance windows and siding, these upgrades can significantly cut energy costs and improve overall comfort.
Choosing the Right Windows for Energy Savings
Before selecting new windows, our experts help determine the best energy-efficient options for your home. ENERGY STAR®-rated windows offer superior insulation, reducing heat loss in winter and keeping your home cool in summer. Choosing the right glass coatings, frames, and installation methods further enhances efficiency and long-term savings.
Benefits of ENERGY STAR® Windows:
- Reduce heating and cooling costs by minimizing energy loss.
- Protect interiors from UV damage, preserving furniture and flooring.
- Increase property value with high-performance, energy-efficient upgrades.
By selecting the right window orientation, insulation, and materials, homeowners in Seattle’s climate can create a more comfortable, sustainable, and cost-effective living space.
Home Health & Performance
A comfortable, durable home starts with the right balance of insulation, airflow, and moisture control.
A well-balanced home isn’t just energy-efficient—it’s healthier, longer-lasting, and more comfortable. We take a whole-home approach to improving air circulation, moisture control, and temperature stability, ensuring you get a space that feels fresh and resilient year-round.
How We Improve Home Comfort & Air Quality:
- Air Sealing & Draft Reduction – Minimize heat loss and prevent cold spots for a cozier indoor environment.
- Moisture Control & Ventilation – Reduce mold and humidity risks by enhancing airflow and installing vapor barriers.
- Indoor Air Quality Enhancements – Remove allergens and stale air with advanced ventilation solutions.
- Smart Climate Solutions – Integrate energy-efficient upgrades with smart thermostats for effortless temperature control.
By addressing these critical factors, we create a home that’s more comfortable, healthier, and better protected from seasonal changes.


Home Health & Performance
A comfortable, durable home starts with the right balance of insulation, airflow, and moisture control.
A well-balanced home isn’t just energy-efficient—it’s healthier, longer-lasting, and more comfortable. We take a whole-home approach to improving air circulation, moisture control, and temperature stability, ensuring you get a space that feels fresh and resilient year-round.
How We Improve Home Comfort & Air Quality:
- Air Sealing & Draft Reduction – Minimize heat loss and prevent cold spots for a cozier indoor environment.
- Moisture Control & Ventilation – Reduce mold and humidity risks by enhancing airflow and installing vapor barriers.
- Indoor Air Quality Enhancements – Remove allergens and stale air with advanced ventilation solutions.
- Smart Climate Solutions – Integrate energy-efficient upgrades with smart thermostats for effortless temperature control.
By addressing these critical factors, we create a home that’s more comfortable, healthier, and better protected from seasonal changes.