Top-rated second story addition builders.

Get matched with top second story addition builders in Seattle, WA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Second story addition builders in Seattle

Avatar for Auto Transport - United Freight Of America
Auto Transport - United Freight Of America
4.8(
920
)

In business since 2008

Free estimates

Emergency services offered

"Excellent, no problems. My car was new the first year I used the service and there has never been any damage during the transports. The men picking up and delivering the car have always been pleasant and cooperative. Both Ely and Guy at United Transport has been highly responsive to my needs. I would highly recommend this company."
Recommended by96%of homeowners
Avatar for CDT Electric, LLC
CDT Electric, LLC
5.0(
3
)

In business since 2008

Emergency services offered

"Clinton is Outstanding! He is polite and punctual. He was quickly able to troubleshoot some electrical issues that other companies could not. Super clean work and honored his quote (that was very reasonable)! I will be calling Clinton Talley of CDT Electrical Group LLC for all my future electrical needs!!!"
Recommended by100%of homeowners
Handy Hands Construction
5.0(
2
)

In business since 2010

Free estimates

Owner operated. Occasionally uses subs. Cost is determined by the job.

Recommended by100%of homeowners
CZ Design Inc
New to Angi

In business since 2007

Kitchen Design Consulting, offering space planning, computer generated drafting, wholesale pricing, and product education. Consulting fees are based on size of project. Nationally certified kitchen designer through the NKBA in 2003.

Avatar for Resolute Plumbing and Heating
Resolute Plumbing and Heating
4.9(
21
)

In business since 2013

"It was an excellent service. They did a good job, price was reasonable and I used them before."
Recommended by95%of homeowners
Avatar for Falcon Peak Construction, INC
Falcon Peak Construction, INC
New to Angi

In business since 2006

Free estimates

Emergency services offered

Professional general contractor in Auburn and near by cities

Avatar for Brookside Electric LLC
Brookside Electric LLC
5.0(
3
)

In business since 2005

Free estimates

Emergency services offered

"Great guys to work with, very professional. When other companies were weeks even months out , they were there the next day. Will call them back for future projects."
Recommended by66%of homeowners
Robison & Sons
3.5(
2
)

In business since 1984

Free estimates

Warranties offered

Recommended by50%of homeowners
All West Construction
5.0(
1
)

In business since 1992

Allwest Construction has been serving the Thurston County area for over 15 years. Customer experience is very personal and important to us. Our main focus is attention to detail and craftsmanship in order to make our work last for generations. Whether it be small tasks such as drywall and plumbing repair or a custom home or home remodel. Allwest construction does every task right the first time and the last time. No corners are cut and your contractor will be there every step of the way working along with his employees to insure 100% satisfaction in the final product.

Recommended by100%of homeowners
Avatar for I.D. Granite, Tile, LLC
I.D. Granite, Tile, LLC
5.0(
6
)

In business since 2011

Free estimates

"Totally satisfied with the beautiful work done on the quartz counter tops as well as the gracious professional manner Ivan conducted himself. I would and have referred others to him !"
Recommended by100%of homeowners
...
Showing 1-10 of 1016
FAQs for second story addition building service projects in Seattle, WA

For many homeowners, building up is worth the expense because it provides the extra bedrooms or living areas that can’t be accommodated within the existing footprint. A larger, updated home often commands a higher resale price, recouping a sizable share of the project cost while allowing you to stay in the neighborhood you love. Run the numbers with a real estate agent and contractor to ensure the expected return and day-to-day benefits align with your goals.

Whether it makes more sense to build up or out depends on your lot, budget, and local code. Building up preserves yard space and involves less foundation work, but you may need to vacate the home during construction. Building out avoids staircases and can proceed while you stay put; however, it encroaches on the yard and may face setback limits. Compare both options with your contractor before making a decision.

A structural engineer will first inspect the existing foundation for cracks, footings, and load capacity. Depending on the findings, the crew may pour new concrete footings, install steel or concrete piers, add reinforced beams, or tie additional rebar into the slab. These upgrades redistribute the weight of the new floor and bring the structure up to code. Your contractor will outline the specific reinforcement plan and timeline once the engineering report is complete.

The Seattle, WA homeowners’ guide to second story addition building services

From average costs to expert advice, get all the answers you need to get your job done.