Trinity Underground

Trinity Underground Trinity Underground: Your local civil construction experts for grading, utilities, and concrete pads.

Crews carefully excavate and reinforce the trench while maintaining full traffic control and safety protocols. This esse...
12/13/2025

Crews carefully excavate and reinforce the trench while maintaining full traffic control and safety protocols. This essential underground utility work helps keep neighborhoods running smoothly and prepared for future development.

Unearthing what keeps communities running. Our crew is safely exposing buried utility lines before moving into the next ...
12/05/2025

Unearthing what keeps communities running. Our crew is safely exposing buried utility lines before moving into the next phase of installation.

Breaking new ground—one scoop at a time. đŸ’ª Our team is hard at work laying the foundation for the infrastructure that su...
11/28/2025

Breaking new ground—one scoop at a time. đŸ’ª Our team is hard at work laying the foundation for the infrastructure that supports strong, lasting communities. Precision, power, and progress are what drive every project we take on.

Address

Phoenix, AZ
85040

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+14805718120

Website

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