Arizona requires buried utility lines to be marked before anyone digs, from a homeowner setting fence posts to a crew digging a drywell. It's free.
The rules
| Question | Answer |
|---|---|
| Who has to call? | Homeowners and contractors alike (Arizona Corporation Commission) |
| Cost? | Free; utilities mark their own lines |
| How long to mark? | No later than two working days (A.R.S. 40-360.22) |
| When can digging start? | After marking is complete, or once told none is needed |
| How long are marks good? | 15 working days |
| Big projects? | Notice at least 15 business days or 21 calendar days ahead |
| Penalty? | Up to $5,000 per violation |
Arizona 811 was called Arizona Blue Stake until 2014.
On a Goodyear site
- Get the ticket in before the machine is booked.
- Keep the marks visible for the length of the job, and refresh them if work runs past 15 working days.
- Tell the contractor about anything you had buried privately.
Sources
- Arizona Corporation Commission, Office of Pipeline Safety: Underground Facilities Law
- Arizona Revised Statutes 40-360.22: Excavations; determining location of underground facilities
Reviewed October 20, 2026. Rules, prices and contacts change, so check the source before relying on it.
Questions and answers
How long does Arizona 811 have to mark lines?
No later than two working days, under A.R.S. 40-360.22.
Get it quoted
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