Hiring an excavation contractor in Arizona
Gradeline lists 580 excavating and site work contractors in Arizona across 15 counties. This guide covers the Arizona rules that affect a dig: licensing, frost depth and 811 notice through Arizona 811.
What to know before you hire in Arizona
4.5★
Know what a good rating looks like here
Arizona contractors average 4.5 stars on Google. Shortlist crews at 4.5 or better with a solid review count (103 qualify), and treat anything under 4.0 as a red flag.
Yes
Check the state license
Arizona requires a contractor license (ROC specialty (excavation)), issued by Arizona Registrar of Contractors. Get the number in writing before you sign. Verify a license
2 days
Utilities get marked before digging
Arizona law requires 2 business days notice to Arizona 811 before any digging. Ask whether your contractor files the request, and plan the start date around the wait.
33%
Most listed contractors have no website
Only 33% of listed Arizona contractors run their own site. Judge them on reviews, photos, and years in business rather than web polish, and get at least three written quotes.
Get quotes from Arizona contractors in one request.
Get free quotesArea-specific FAQ
How far in advance do I need to call before digging in Arizona?
At least 2 working days. Arizona 811 takes locate requests statewide and has underground utilities marked before any excavation. Hitting an unmarked gas or power line can injure the crew and lead to costly repairs.
Do excavation contractors need to be licensed in Arizona?
Yes. Arizona requires a state contractor license (ROC specialty (excavation)) for this work, regulated by Arizona Registrar of Contractors. Look up the license number before you sign a contract.
Does frost depth affect excavation in Arizona?
Arizona winters are mild, so the frost line rarely sets footing or foundation depth.
When is the best time of year to dig in Arizona?
Digging is possible year-round in Arizona. Winter rarely freezes the ground hard.
How busy is excavation work in Arizona?
About 50,924 residential building permits were issued statewide in 2025. Most new homes need clearing, grading, and utility trenching before construction starts.
