Google Rating 5.0 / 5.0

Seattle's Trusted
Excavation Experts

Professional excavation, land clearing, and site preparation services throughout the Greater Seattle area. Licensed, bonded, and insured.

500+
Projects Completed
15+
Years Experience
100%
Satisfaction Rate
Why Choose Us

Built on Precision & Trust

Every project receives our full attention, expertise, and commitment to excellence.

Licensed & Insured

Fully licensed, bonded, and insured for your complete peace of mind on every project.

On-Time Delivery

We respect your timeline and budget, delivering projects on schedule without compromising quality.

Transparent Pricing

Clear, upfront quotes with no hidden fees. You'll know exactly what to expect from the start.

Excavator at Work

Professional Equipment.
Expert Operators.

Our fleet of modern excavation equipment combined with decades of operator experience ensures your project is completed efficiently and to the highest standards.

View Our Equipment
Our Work

Recent Projects

See the quality and precision we bring to every excavation project.

Project 1

Residential Foundation

Seattle, WA

Project 2

Commercial Site Prep

Bellevue, WA

Project 3

Land Clearing

Redmond, WA

Project 4

Drainage Installation

Kirkland, WA

Project 5

Pool Excavation

Mercer Island, WA

Project 6

Terrain Grading

Sammamish, WA

"
Mighty Arm Excavation delivered exceptional work on our property. Professional, punctual, and precise. We couldn't be happier with the results.

Michael & Sarah Johnson | Residential Client, Bellevue

Ready to Build With Precision?

Get your free estimate today. No obligation, no pressure.