Luxury Home Additions For Your Seattle Home
Increase Your Home's Footprint And Function With A New Addition
With 15+ home additions built, it has never been easier to make the Wise Choice.

More Living Space Means More Room For You To Enjoy In Seattle
If you’ve just moved into a home in the perfect location in Seattle, but feel like you’re constantly cramped, it may be time to explore home additions!
Adding extra space to your Seattle home will not only allow you to not feel like you’re on top of each other, it also gives you the ability to really make whatever room you’re wanting to feel like it’s truly yours.
Whether you’re living with in-laws and need a separate wing of the house just for them, or the primary bedroom in the home doesn’t quite connect with the bathroom, home additions will help everyone get what they want!
Here are some popular home additions upgrades:
- Bathroom Installation
- Kitchen Expansion
- Added Square Footage
- Lower Basement Slab
- Basement Finishing
- Custom Skylights
- Custom Closets
- Master Suite Design And Build
- Fireplace Additions
- Upgraded Roofing And Siding
Home Additions Increase Your Happiness And Home Value In Seattle
When you add more square footage to your Seattle home, it’s no secret that the extra space can significantly increase how comfortable you within your home. What doesn’t always get discussed is how your home value will increase with the right home addition!
In fact, according to a recent study, a master suite addition has anywhere from a 56% – 69% recoup value. So not only are you getting to enjoy additional space, you’ll see the value of your home additions investment when it comes time to sell the home!

Our General Contracting Step-By-Step Process
Our goal is for you to get the home you love, so we've built our process with you in mind. As your general contractor, we handle everything from kitchen renovations to bathroom remodels, ensuring a seamless and enjoyable remodeling experience.

Step 1. Get In Touch
Please fill out the contact form to get started. The next step is for us to have a phone consultation to understand what you envision for your updated space!

Step 2. We'll Do The Work
After our on-site consultation where we'll discuss budget, timeline, and materials, we'll send over a final proposal. Upon approval, we'll begin construction on your agreed-upon project start date!

Step 3. Love Your Upgraded Home
After cleaning up, we'll do a post-job walkthrough together to ensure everything is as it should be. From there, your updated home is yours to enjoy!
Home Addition Prices In Seattle
Transparency Is At The Heart Of Everything We Do Because We Want You To Be In The Know! This Includes The Pricing Of Our Home Addition Construction Projects.

Base Home Additions*
$250K
This is typical for a 200-300 sq ft addition. A popular addition in this tier is a 200 sq ft master suite with a walk-in closet.
From ground break to completion in 14-18 weeks.
ew paint, new lighting, and all new hardware. Bathrooms and kitchens will get new countertops and backsplashes.
Average completion in 9-11 weeks.

Average Home Additions*
$400K
This is typical for a 500-600 sq ft addition. A popular addition in this tier is a 550 sq ft upgrade of living space or bedrooms, a full bathroom and closet space customized as needed.
From ground break to completion in 18-22 weeks.

High-End Home Additions*
$600K+
This is typical for a 900-1000 sq ft addition. A popular addition in this tier is a 900 sq ft upgrade of living space, 2 full bathrooms, and reconfiguring walls as needed. Includes other custom work.
From ground break to completion in 22+ weeks.
*Prices are averages and may change depending on your square footage, choice of materials, appliances, and finishes. You’ll receive an exact quote for your unique home addition after the in-house consultation.
Home Addition Cost Calculator
Building an addition to your home is a great way to add square footage to your house and make room for the things you love. In Seattle, it’s typical to spend between 25% and 75% of the value of your home on an addition. This means that if you have an $800,000 home, you should expect to budget anywhere between $200k and $600K for your project.
Besides the look you want and your favorite appliances, there are multiple factors that go into building an addition:
- Designers and design fees
- Materials and functionality
- Permits and paperwork
- Labor of workers
Use our calculators to get a more defined idea of what your home addition investment will look like.
Drag the sliders to adjust your values
Home Additions Gallery
If you're looking for inspiration for your next home addition project, you can count on us! Check out our gallery below.
Here’s What Our Customers Say…
Frequently Asked Questions
As a general contractor, Wise Choice Construction offers comprehensive home addition construction services in Seattle. These include bathroom installation, kitchen expansion, added square footage, lower basement slab, basement finishing, custom skylights, custom closets, master suite design and build, fireplace additions, and upgraded roofing and siding.
The home addition construction process with Wise Choice Construction begins with a phone consultation to understand your vision for your new space. This is followed by an on-site consultation to discuss budget, timeline, and materials. After this, a final proposal is sent and upon approval, construction begins on your agreed-upon start date. After the project is completed, a post-job walkthrough is conducted to ensure everything is as it should be.
The cost of a home addition construction with Wise Choice Construction in Seattle varies depending on the scope of the project and your choice of materials, appliances, and finishes. In Seattle, it’s typical to spend between 25% and 75% of the value of your home on an addition. This means that if you have an $800,000 home, you should expect to budget anywhere between $200K and $600K for your project. You’ll receive an exact quote for your unique home addition after the in-house consultation.
A home addition with Wise Choice Construction can significantly improve your lifestyle in Seattle by creating a space that is tailored to your needs and habits. Whether you need an extra bedroom for a growing family or a larger kitchen for your culinary pursuits, a home addition can help you create a home that fits your lifestyle. With luxurious features like a master suite or a custom kitchen, your home can become a space that you truly love.
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Kitchen Remodels
Since the kitchen has become the Grand Central Station of the home, a kitchen remodel may be in your future if you're not proud of yours. We can help transform your space.


Bathroom Remodels
When you think of your bathroom, if "peaceful" and "stylish" don't come to mind, a remodel will do the trick. Our team of home remodelers is ready to help you create the bathroom of your dreams.


Restoration Services
Sometimes unexpected issues arise that needs immediate attention. Let us help you restore the home your love.