How Much Does A Home Addition Cost In Seattle, WA, And The Eastside?

How Much Does A Home Addition Cost In Seattle, WA, And The Eastside?

Embarking on a home addition project in Seattle, WA, or the Eastside is an exciting opportunity to enhance your living space and increase the value of your property. However, whether you're looking to add a new bedroom, expand your kitchen, or create a custom living area, understanding the costs involved is crucial for planning a successful home addition.

At Emerald City Construction, we specialize in creating custom home additions that meet your needs and reflect your style, providing transparent pricing and expert guidance throughout the process. Below, we delve into the costs associated with home additions in Seattle and the surrounding areas, so you can make financially smart decisions and generate a substantial return on your investment.

home addition seattle.jpg


Custom home additions offer homeowners the chance to personalize and optimize their living space to suit their evolving needs and lifestyle. Beyond just increasing square footage, a well-designed home addition can enhance functionality, comfort, and curb appeal while boosting the overall value of your property. Investing in a custom home addition allows you to tailor your living space to your unique preferences and create a home that truly reflects your personality and aspirations.

Top Down Remodeling


When it comes to home additions in Seattle, understanding the average costs associated with different types of projects is essential for budgeting effectively. From room extensions to second-story additions, the costs can vary based on factors such as size, complexity, materials, and labor. Luckily, we provide detailed insights into the average costs of home additions in Seattle, helping clients make informed decisions that align with their financial resources and project goals.

Untitled design (23).jpg


At Emerald City Construction, we bring a wealth of expertise and experience to home addition projects in Seattle and the Eastside. Our team of skilled designers and contractors is adept at translating your vision into reality, providing innovative design solutions, quality craftsmanship, and personalized service throughout the remodeling process. Whether you're considering a modest addition or a complete overhaul, our dedication to excellence ensures that your home addition project is executed with precision and care.

What are the average costs associated with adding a room or extension to a home in Seattle?

The average cost of adding a room or extension to a home in Seattle typically starts at $150,000 and cost between $500-$700/square foot depending on the size, design complexity, materials used, and labor involved. No matter what type of project you have in mind, we offer detailed cost estimates tailored to your specific project requirements to help you plan and budget effectively for your home addition.

How do the costs vary based on the type of addition (e.g., second story, extension, sunroom)?

The costs of home additions vary greatly based on the type of addition, with second-story additions typically requiring more structural work and therefore higher costs compared to single-story extensions or simple room additions.

Are there any local regulations or permits in Seattle that can affect the cost of a home addition?

Navigating local regulations and building permits in Seattle is crucial for ensuring compliance and safety in home addition projects. Emerald City Construction stays up-to-date on the latest regulations and permit requirements, helping clients understand any potential costs associated with regulatory compliance during their home addition project.

Do I need to store my belongings when remodeling my Seattle home?

Determining whether to store your belongings during a home addition project depends on the scope of work and the areas being renovated. Our team can provide guidance on storage options and temporary relocation solutions to ensure the safety of your belongings and minimize disruptions during the remodeling process.


If you would like more specific information on what your home addition project in the Seattle Metro Area will cost, we encourage you to contact Emerald City Construction for a comprehensive estimate. We can accurately assess the cost of the project, walk you through our signature remodeling process, and help you get started on your home addition journey!

Let's Connect