FAQs
- What education and/or training do you have that relates to your work?
Structural engineer
- What types of customers have you worked with?
Private homeowners/ builders
boom general contractor
Licensed
Licensed
$250/on-site estimate
(waived if hired)
Online now
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About
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We specialize in;
New construction
DADU-ADU
Deck construction
Piles and soil stabilization
Retaining walls
Additions
Outdoor living
Remodels
Demolition
We have the ability to accommodate to your varying needs as a general contractor for full construction.
We count with a team of engineers to fulfill all your permitting and construction needs prior any work:
1.) Structural engineer for permits.
2.) Geotechnical engineer for all soil preparation for walls and foundations
Check out our web page or facebook for more information and photos of our projects.
Overview
Hired 35 times
Serves Seattle, WA
Background checked
License verified
4 employees
10 years in business
Business hours
This pro hasn't listed their business hours.
Payment methods
This pro accepts payments via Cash, Check, Credit card, Venmo, and Zelle.
Social media
Top Pro status
Top Pros are among the highest-rated, most popular professionals on Thumbtack.
2022
2021
Credentials
License verified
Construction Contractor
License state: WA
Background checked
Passed by Santiago Valencia on Apr 12, 2024.
Projects and media
Projects and media
Reviews
Customers rated this pro highly for work quality, professionalism, and responsiveness.
Excellent 4.9
31 reviews
5
97%
4
0%
3
0%
2
3%
1
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Read reviews that mention:
Susheel M.
Mar 18, 2026
Hired on Thumbtack
I contracted Boom GC for some demo work that was needed prior to countertops installation. Santiago quoted the work remotely by looking at pictures I sent him. On the day of, he texted me promptly as they were running late (Seattle traffic). The work was completed efficiently and they took care of the surroundings and cleaned up very well after. Extremely satisfied and I will be looking for them to so additional GC work when we need it.
Details: Indoor • Strip out interior • Residential
Demolition Services
Shaddye M.
Mar 14, 2026
Hired on Thumbtack
Where do I start. Can’t thank Santiago and his team enough. They made the finished project better than I could’ve expected. They went above and beyond. Extremely meticulous with every little detail. And great price as well and honest. THANK YOU
Details: New deck or porch construction • No existing plans, I need suggestions • Composite or vinyl decking • Residential
Deck or Porch Remodel or Addition
Nolan M.
Oct 14, 2025
Hired on Thumbtack
Santiago with Boom General Contractor did amazing work! Not only did he respond and follow through with the work, the work was high quality and matched his estimates and quote. We highly recommend him for your projects!
Details: Repair of existing stairs • Indoors • Residential
Stair Installation, Remodel, or Repair
Omer M.
Oct 9, 2025
Hired on Thumbtack
Santiago and his crew were amazing. They went above and beyond the project and am extremely happy with how things turned out.
Details: I need a professional's help to identify what is wrong with my foundation • Crawl space • I'm not sure, I need a professional's help to identify my load-bearing wall type • No obstacles • Residential
Foundation Repair
Taylor C.
2 weeks ago
Hired on Thumbtack
Went well above expectations, will be keeping his number for all future projects!
Details: Remove portion of driveway, walkway, or patio • Less than 500 square feet • Residential
Concrete Removal