Underground Utilities
Ryatt Construction installs complete underground utility systems—water, sewer, storm drainage, and dry utilities. As a full-service contractor, we handle excavation, installation, backfill, and surface restoration in a single scope.
What We Do
- Water main installation and connections
- Sanitary sewer installation and connections
- Storm drainage systems and catch basins
- Side sewer installation and repair
- Dry utility trenching (electrical, gas, telecom)
- Utility stubouts and service connections
- Mainline extensions to municipal systems
- Utility conflict resolution and relocations
Why Choose Ryatt for Underground Utilities
One contractor for excavation AND utilities eliminates coordination gaps
Established relationships with Seattle Public Utilities and municipal inspectors
In-house concrete restoration for complete right-of-way restoration after utility work
Capable of handling both wet and dry utility installation on the same project
Frequently Asked Questions
What types of utilities do you install?
We install all underground utilities: water, sanitary sewer, storm drainage, and dry utilities (electrical conduit, gas, telecom). We handle both new installations and connections to existing systems.
Do you handle utility permits?
Yes. We manage all utility permits and coordinate with local municipalities, including Seattle Public Utilities and Phoenix-area agencies.
Can you extend mainlines to reach new development?
Absolutely. Mainline extensions are one of our specialties. We handle design coordination, permitting, installation, and testing for both water and sewer mains.
Do you restore the surface after utility work?
Yes. Our in-house concrete restoration crew handles all surface restoration including sidewalks, curbs, and pavement—so you get a complete job from one contractor.
Ready to Start Your Underground Utilities Project?
Contact us today for a free underground utilities estimate. Send your project details for a fast, accurate bid.