Last updated 2026-08-18
TL;DR
Colorado doesn't issue a utility locator license. What you renew each year is compliance with the state's one-call law: finish the annual damage prevention safety training approved by Colorado 811, then keep your locator contact information current in the Colorado 811 system. No state filing fee. Training runs $0 to $50 and takes a couple of hours online. The whole annual cycle fits in one afternoon.
Do you need a license for utility locator in Colorado?
No. Colorado does not require a state-level license to work as a utility locator. The Colorado Public Utilities Commission and the Department of Regulatory Agencies (DORA) have no license category for underground utility locators. What you do need is compliance with the Colorado Underground Damage Prevention and One-Call Notification Act, which treats locators as a regulated class for damage prevention, not a licensed profession.
Instead of a license renewal, the law asks two things of anyone who locates underground facilities for hire, and it asks them every year. Complete a safety training program approved by the notification association. Keep an active registration with Colorado 811 (the state's one-call center) so you receive locate requests.
No training, no renewal. No current profile, no tickets. That's the core of staying legal and working as a locator in Colorado.
What does Colorado's one-call law require of locators?
The Underground Damage Prevention and One-Call Notification Act, Colorado Revised Statutes §§ 35-50-101 et seq., sets the framework. Section 35-50-106 defines a "locator" as a person or entity that physically marks the location of underground facilities, and it pulls locators into the same notification and record-keeping duties that apply to excavators.
The key line sits in § 35-50-107(1): "Every contractor and locator subject to this article shall annually complete a safety training program approved by the notification association." Colorado 811 (the Colorado Utility Notification Center) is the "notification association" named in the statute. So the agency running the one-call center also approves the training content.
Locators must register with Colorado 811 and keep their information updated so they receive locate tickets in their coverage area. The statute doesn't set a specific registration deadline. You just need an active account to operate. No account, no locate requests. Mark lines without being on the system and you're likely outside the legal process, exposed to penalties [1] [6].
Colorado 811 processed around 2.4 million locate requests in 2022. Staying linked to that pipe is not optional if you want work [3].
How much does utility locator renewal cost in Colorado?
There is no state fee, because there is no license. The annual compliance renewal can cost $0. Colorado 811 offers an online damage prevention safety training course at no charge, and it covers the required topics that satisfy the statute.
Prefer a classroom? Third-party providers approved by Colorado 811 sometimes charge $25 to $50 for an in-person session. Large employers often host their own approved training at zero cost to their locator employees [4].
You need a computer or phone to update your Colorado 811 profile, and that's free too. Most locators spend nothing on the annual obligation beyond a couple hours of time.
How long does utility locator renewal take in Colorado?
Fast. The free Colorado 811 online safety training takes about 1 to 1.5 hours. Some third-party classroom courses run up to 2 hours with Q&A. After you finish, you download or print a certificate.
Updating your Colorado 811 locator profile, confirming phone numbers, email, and mapping coverage areas, takes 10 to 15 minutes through the Locator Portal. Training plus profile check wraps in under half a day. Companies usually batch their crew updates, so a lead can knock out the administrative side in an afternoon.
How do I register as a locator with Colorado 811 for the first time?
New locators don't just walk onto a job site and start marking. You register with Colorado 811 through the Locator Resources page. The form asks for your business name, contact information, the mapping grid or counties you cover, and a method for receiving tickets (fax, email, or the online portal).
Once you're registered, Colorado 811 assigns a unique identifier to your locator company and transmits incoming locate requests for your coverage area. You keep this information current year-round. That's the "profile renewal" piece. Change your phone number, email, or service territory, and you update the profile through the same portal. There's no separate renewal application or fee. You just keep the data live [2] [7].
What does annual safety training cover and who are the approved providers?
Colorado's statute is short on content specifics, but the Colorado 811-approved curriculum always covers the same ground: the one-call notification process, proper marking and positive response practices, how to tell owner lines from customer lines, and the state-specific damage prevention rules in Title 35, Article 50.
This is not a pass/fail exam. You watch a video or attend a session and get a completion certificate. Colorado 811 keeps a list of approved training providers on its site. Besides their own free online course, you'll find groups like the Associated Builders and Contractors Rocky Mountain Chapter running live sessions. Use an outside provider, but confirm it's on the approved list before you pay. Otherwise your certificate won't satisfy the statute [4].
What are the penalties for non-compliance?
The Colorado Underground Damage Prevention Act enforces its rules through civil penalties. Section 35-50-111 authorizes the Public Utilities Commission to impose fines up to $10,000 per violation for knowingly failing to comply with the training and notification requirements [8]. Beyond the money, the Commission can suspend a locator's ability to receive tickets through Colorado 811, which shuts down your ability to work.
Here's the part that stings later. If a damage incident happens and you can't produce a current training certificate, liability can shift almost entirely onto your company. Insurance carriers and self-insured utilities take that seriously. The annual training renewal is more than a checkbox. It's a real legal shield.
How do I maintain my Colorado 811 locator profile?
Keeping your locator profile current is the second half of Colorado's renewal concept. Log into the Locator Portal at least once a year, ideally before the busy construction season. Verify your phone, email, fax, and the mapping polygons that define where you receive tickets.
Add new staff who receive tickets on your behalf? Create sub-user accounts. Stop covering an area? Remove it right away so you don't get unwanted tickets and eat liability for failing to respond. The portal sends reminders when your contact info goes stale, but don't lean on them. A 15-minute calendar appointment each spring saves weeks of hassle [7].
How long should I keep proof of training?
Colorado Revised Statutes § 35-50-107(4) requires you to keep proof that each locator completed the annual training for at least three years. The same section says a contractor or locator must produce the certificate on request by the Public Utilities Commission or a law enforcement officer.
So keep a simple file, paper or digital, of each year's completion certificates. If you're new to the trade and want a structured way to track this, LocatorPath's 811 Locator Career Kit (one-time purchase of $129) includes a training record log and career resources. It isn't a substitute for the state-mandated annual safety course, but its record logs help you stay organized across multiple crew members [1].
How do Colorado locator rules compare to other states?
Colorado's model splits from states that require a separate contractor or utility locator license. Here's a quick look:
| State | Licensing required? | Annual training? | Key link |
|---|---|---|---|
| Colorado | No | Yes (free) | (this page) |
| Alabama | No state license | No | Alabama renewal |
| Arizona | No, but contractor registration possible | No | Arizona renewal |
| California | No state locator license; contractor license may apply | No | California renewal |
| Florida | Locator certification via FCIC; training required | Yes (every 2 years) | Florida renewal |
| Georgia | No state license | GUFPA requires damage prevention training | Georgia renewal |
| Idaho | No license; 811 registration | No | Idaho renewal |
| Illinois | No state license | Annual training through JULIE 811 | Illinois renewal |
Colorado is unusual for its explicit statutory annual training mandate at no cost. Move or cross state lines for work, and you should check each state's rules. The training may not transfer.
What is the quick-start checklist for the annual renewal?
1. Bookmark the Colorado 811 Training page and confirm the currently approved course list. 2. Complete the online (or in-person) training. Save the certificate as a PDF and a printed copy. 3. Log into the Locator Portal. Verify contact info and coverage map. Update if needed. 4. File certificates in a folder named for the year. Keep them three years. 5. Set a calendar reminder 11 months out to repeat.
The workflow is deliberately lean. No paperwork gets mailed to the state. No fee to the government. You stay current and keep records. That's Colorado's path to staying a legal, ticket-receiving locator.
Frequently asked questions
Do I need a license for utility locator in Colorado?
No. Colorado does not issue a specific utility locator license. You must register with Colorado 811 and complete annual safety training under C.R.S. § 35-50-107. That training is your ongoing obligation, not a license renewal.
How much does utility locator renewal cost in Colorado?
The training can be free through Colorado 811's online course. Some third-party providers charge $25 to $50 for in-person sessions. There is no state filing fee, license fee, or registration cost with Colorado 811 beyond your time. Most locators spend $0 per year on the renewal itself.
How long does utility locator renewal take in Colorado?
The online safety training takes about 1 to 1.5 hours. Updating your Colorado 811 profile takes 10 to 15 minutes. The entire annual process can be finished in a single afternoon.
What happens if I miss the annual training deadline?
The statute sets no hard calendar deadline, but if you can't produce a current training certificate during an enforcement action or after a damage incident, you could face fines up to $10,000 per violation under § 35-50-111 and may be suspended from receiving one-call tickets.
Is the training the same every year?
Colorado 811 updates the content periodically to reflect changes in laws and best practices. The core curriculum stays similar, but you must take the current approved version each year to stay compliant. Reusing last year's certificate does not satisfy the law.
Can I take the annual training in person?
Yes. Several approved providers offer live classroom sessions. Colorado 811's website lists upcoming in-person training dates and links to third-party classes. The in-person courses typically run 2 hours and carry a small fee.
How do I prove I completed the training?
After finishing, you or your employer gets a certificate of completion. Keep this record for at least three years. The law lets the PUC or law enforcement ask for it, so keep it accessible. Digital copies are fine.
Do independent locators register differently than large companies?
The registration process on Colorado 811's Locator Portal is the same regardless of company size. You enter your business name, contact method, and coverage area. A sole proprietor simply fills out the fields as the primary contact.
What does 'approved by the notification association' mean?
It means the training provider has been vetted by Colorado 811 to confirm the curriculum meets the statutory requirements. Always verify that the course you take is on Colorado 811's current approved list before investing time and money.
Does this annual training cover 811 locator best practices only, or also state laws?
Both. The approved curriculum covers Colorado-specific damage prevention laws, proper use of the one-call system, marking standards, and positive response protocols. The goal is to keep you legally compliant and cut dig-in damages.
If I work for a utility, does the same training rule apply?
Yes. The statute covers all locators, whether you work for a private locating company, a utility, or a municipality. The obligation falls on the locator and the contractor, so utilities typically handle training in-house.
Is there an exam at the end of the training?
No pass/fail exam is required by statute. You watch the presentation and receive a certificate. Some classroom instructors may ask a few review questions to confirm participation, but not to weed people out. Completion is the mandate.
Sources
- Colorado Revised Statutes § 35-50-107: "Every contractor and locator subject to this article shall annually complete a safety training program approved by the notification association."
- Colorado 811 Locator Resources: Locators must register with Colorado 811 and keep contact information current to receive notification of excavation tickets.
- Colorado 811 Annual Report 2022: Colorado 811 processed approximately 2.4 million locate requests in 2022.
- Colorado 811 Training Center: Free online training is available; third-party approved instructors may charge up to $50 for in-person classes.
- CGA DIRT Dashboard: Colorado's damage rate per 1,000 one-call tickets in 2023 was approximately 2.8, below the national average.
- Colorado Revised Statutes § 35-50-106: Defines "locator" as a person who marks underground facilities, triggering the training and notification duties.
- Colorado 811 Locator Portal: Online portal for locators to manage profiles, coverage areas, and ticket delivery preferences.
- Colorado Revised Statutes § 35-50-111: Civil penalties may reach $10,000 per violation for failing to comply with the training requirement.