How to Document Plumbing Experience in North Carolina

You've spent years doing plumbing work across North Carolina. You can rough-in a house in your sleep. But when you sit down to apply for your state license, the NCPHFS doesn't care about what you can do — they care about what you can prove. The experience documentation process trips up more applicants than the exam itself, especially if you've worked for multiple employers, had gaps in employment, or spent time as a 1099 contractor.

The Employer Statement: Your Primary Proof

The NCPHFS requires a completed "Current / Past North Carolina Licensed Employer Statement" from every supervising licensee you've worked under. This form documents the exact dates of your employment, the trade duties you performed, the percentage split between service and installation work, and the total hours you accumulated.

Each statement must be signed by the supervising licensee in the presence of a licensed Notary Public. The board does not accept unsigned or unnotarized statements. Licensed employers have a legal duty under NCPHFS rules to honestly and accurately document your hours — this isn't optional for them.

If you've worked under multiple contractors, you need a separate notarized statement from each one. The hours from all statements are added together to meet the threshold for your target license class (2,500 hours for Technician Class II, 3,000 for Technician Class I, or 4,000 for Contractor).

When an Employer Refuses to Sign

This is more common than you'd expect. Former employers close their businesses, move out of state, hold grudges, or simply ignore requests. The NCPHFS has a formal process for this situation:

File a board complaint. Contact the NCPHFS office in Raleigh and report the employer's refusal. Under board rules, active licensees are legally obligated to verify experience for their current and former employees. The board can pursue disciplinary action against a licensee who refuses without cause.

While the complaint works its way through the system, you should compile backup evidence to support your claimed hours.

Building a Backup Documentation File

When employer statements aren't available or don't cover all your hours, the board accepts supporting evidence submitted as a package for individual board audit:

• Historical W-2 forms and tax records. These prove you were employed by a specific contractor during the dates you claim. They also confirm you were classified as a W-2 employee, which is mandatory — 1099 hours don't count.
• Copies of plumbing permits. If your name appears on local building permits as the performing technician or contractor, those permits corroborate your field work during specific date ranges.
• Notarized statements from direct supervisors. Even if the licensee won't sign, a supervisor who directly oversaw your work can provide a notarized statement as supporting evidence.
• Apprenticeship program records. If you participated in a registered ApprenticeshipNC program, your training records serve as official verification of your accumulated hours.

Submit the complete backup file to the NCPHFS along with your exam application. The board staff will conduct an individual audit to determine whether your documentation meets the threshold.

The Self-Employment Problem

Self-employed plumbing experience is the hardest to document, because the board's primary verification mechanism — employer statements — assumes you worked for someone else. If you've been doing plumbing work as a sole proprietor without a state license, you have two issues: the work itself may have been unlicensed (which is a Class 1 misdemeanor under G.S. 87-21), and the hours are difficult to verify.

If the self-employment occurred in another state where you were properly licensed, gather your out-of-state license records, tax returns showing self-employment income from plumbing work, and any permits pulled under your license. Package these with a detailed narrative explaining the dates, scope, and volume of work performed.

If the self-employment occurred in North Carolina without a state license, consult the board directly before applying. Being transparent about your situation is better than having the board discover it during their review.

What to Prepare Before You Start the Process

Before you reach out to former employers or start gathering tax records, map out your complete work history. List every employer, the dates you worked for them, what type of plumbing work you did (residential vs. commercial, service vs. installation), and your best estimate of hours accumulated. This audit helps you identify gaps and figure out exactly which employer statements you need.

The North Carolina Plumber License Guide includes an Experience Hours Tracker and an Employer Verification Checklist designed specifically for this process — structured worksheets that help you organize your documentation before submitting to the board.

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