How to Transfer Your Welder Licence to Colorado (2026 Guide)

Understanding Colorado's Welding Regulatory System

If you are relocating to Colorado as a skilled welder, your first step is understanding how the state regulates your trade. Unlike electricians or plumbers, who fall under the Colorado Department of Regulatory Agencies (DORA), Colorado does not issue a single, centralized statewide license for general welders. There is no state board of welding issuing a universal card that covers every job site in the state.

Instead, welding credentials in Colorado are managed through a combination of national standard certifications, municipal city licenses, and state agency lists depending on the exact work you do. If you do structural steel in Denver, you need a city-specific credential. If you weld highway bridges, you work under Colorado Department of Transportation (CDOT) requirements. If you work in pipe yards, aerospace, or manufacturing, employer-held weld procedure specifications (WPS) combined with American Welding Society (AWS) or ASME certifications dictate your eligibility.

You should also plan your finances around local tax structures. Colorado charges a flat 4.4% state income tax regardless of your total income bracket. Additionally, there are no statewide relocation assistance programs that pay tradespeople to move here, so you will need to cover your initial moving expenses or negotiate relocation packages directly with your hiring contractor.

AWS Certifications and Denver Municipal Licensing Requirements

National certifications from the American Welding Society (AWS) are the foundation of your credential transfer to Colorado. Most commercial contractors require AWS D1.1 (Structural Steel), AWS D1.2 (Aluminum), or ASME Section IX (Boilers and Pressure Vessels) qualifications. If your current AWS card is active and up to date, it remains valid when you cross state lines, provided your testing facility documented your continuity every six months.

However, the City and County of Denver operates its own strict regulatory oversight through the Denver Community Planning and Development agency. If you plan to work on structural components within Denver city limits, you cannot rely solely on a standard employer card. You must obtain a Denver Welder License.

To obtain your Denver municipal license, you must submit your qualifications and proof of testing to Denver Community Planning and Development. Denver recognizes tests performed by accredited testing facilities that follow AWS D1.1 standards, but they require a direct application, payment of local administrative fees, and approval before you strike an arc on a Denver building project.

Working on Infrastructure: CDOT Bridge Certification

If your goal is heavy highway construction, bridge repair, or public infrastructure, your credentials will fall under the jurisdiction of the Colorado Department of Transportation (CDOT) Staff Bridge Unit. CDOT maintains a specific list of approved welders for state bridge and structural work.

CDOT does not automatically grant reciprocity to out-of-state bridge welder credentials. To get listed on the CDOT approved welder roster, you must meet exact protocol requirements:

• AWS D1.5 Compliance: You must demonstrate testing under AWS D1.5 (Bridge Welding Code) administered by an approved testing facility.
• Position Qualifications: CDOT typically requires qualification in the 3G and 4G positions using SMAW (Stick) or FCAW (Flux-Cored) processes, depending on the contract specifications.
• Testing Submissions: Test plates must be submitted through a CDOT-approved independent testing laboratory or tested on site under the direct supervision of a CDOT-authorized inspector.
• Continuity Records: You must submit written proof from prior employers showing you have actively used the specific welding process within the last six months without a break in service.

Step-by-Step Process to Transfer and Verify Your Credentials

Moving your welding career to Colorado requires taking specific steps before and immediately after your arrival to avoid losing billable work days.

• Audit your continuity log: Before leaving your current state, ensure your AWS maintenance form or employer sign-off log is updated and signed by a Quality Control manager or AWS CWI (Certified Welding Inspector). A lapse longer than six months means re-testing from scratch.
• Gather test records: Obtain physical copies of your original Laboratory Test Reports (LTRs) and Procedure Qualification Records (PQRs). Wallet cards are often not enough for Colorado inspectors; they want the actual lab data.
• Contact local testing labs: Identify an AWS Accredited Testing Facility (ATF) in the region you are moving to, such as facilities located in the Denver Metro area, Colorado Springs, or Grand Junction.
• Submit municipal applications: If working in Denver, submit your license application to Denver Community Planning and Development along with your current ATF lab reports.
• Complete contractor weld tests: Most major Colorado industrial contractors will still require an in-house coupon test (such as 2G/5G or 6G pipe tests, or 3G/4G structural plates) before placing you on their active payroll.

Expected Licensing Fees and Application Timelines

Costs and processing times vary based on the certifying body and whether you need to re-bend test plates upon arrival. You should budget for these standard ranges and confirm exact pricing directly on the official agency websites prior to testing.

• AWS ATF Re-testing Fees: If your certs lapsed or your new employer does not accept your past lab reports, coupon testing at a Colorado AWS Accredited Testing Facility typically ranges from $150 to $450 per position and process. Confirm current rates with the specific test facility.
• Denver Municipal Welder License Fee: Application and issuance fees generally run between $50 and $150. Application processing takes approximately 1 to 3 weeks through Denver Community Planning and Development. Check Denver's portal for exact current fees.
• CDOT Approval Processing: CDOT review of lab reports takes between 1 and 4 weeks. There is typically no direct state fee to be placed on the approved roster, but you are responsible for paying the independent testing lab fees for plate preparation and radiographic/bend testing.

What People Get Wrong When Moving to Colorado

Out-of-state welders often make costly assumptions when relocating to the Rocky Mountain region. Avoid these common traps:

• Assuming a state license exists: Expecting to apply for a single statewide welder license through DORA will waste time. Focus on municipal rules and contractor code compliance instead.
• Relying on out-of-state city licenses: Holding a municipal welding card from Los Angeles, Phoenix, or Chicago does not grant direct reciprocity in Denver. You must apply separately through Denver Community Planning and Development.
• Ignoring high-altitude welding factors: Colorado's elevation and low humidity cause rapid cooling of weld puddles and base metals. Inspectors strictly enforce preheat and interpass temperature requirements under AWS codes to prevent hydrogen cracking in cold, high-altitude conditions.
• Letting AWS continuity lapse during the move: If your six-month maintenance deadline passes while you are transitioning between states, your national certifications become inactive, requiring full re-testing at your expense.

Moving to Colorado for Work: Your Next Steps

Getting your welding credentials ready is only half the battle when relocating. You also need clear visibility into local tax impacts, hiring contractors, and regional job demand across Colorado.

Visit the Colorado page on Workmerica to access our detailed state tax table, view state-specific trade resources, and browse active employment opportunities. Creating a free profile puts your verified credentials directly in front of top Colorado contractors who actively hire skilled tradespeople moving from out of state.