How Much Does a Plumber Apprentice Make in Ontario?

Thinking about becoming a plumber in Ontario but unsure what to expect financially? You’re not alone. Many aspiring tradespeople want to know: How much does a plumber apprentice make in Ontario? The good news? While you’re learning the ropes, you’re also earning—often more than entry-level jobs in other fields. In this guide, we’ll break down real numbers, wage progression, and how you can boost your income from day one.

What Is a Plumber Apprentice?

Before diving into pay, let’s clarify what a plumbing apprentice actually is. In Ontario, a plumber apprentice is someone enrolled in a formal apprenticeship program—typically lasting 5 years—while working under the supervision of a licensed journeyperson plumber. You’ll split your time between on-the-job training (about 80%) and in-school technical training (roughly 20%). This “earn while you learn” model is one of the biggest draws of the skilled trades.

According to Ontario’s Ministry of Labour, Immigration, Training and Skills Development, apprentices must register with Skilled Trades Ontario (STO) and complete 8,280 hours of on-the-job training plus three 8-week in-school sessions.

Average Plumber Apprentice Salary in Ontario (2025)

So, how much do apprentices actually make?

Based on 2025 wage data from Job Bank Canada and Skilled Trades Ontario, here’s a realistic breakdown by apprenticeship year:

* Assumes 40 hours/week, 52 weeks/year (many plumbers work overtime or seasonal peaks, which can increase take-home pay.)

Keep in mind: wages vary by region (e.g., Toronto vs. Sudbury), employer, and union status. Union apprentices often start at higher base rates but may pay union dues.

How Do Apprenticeship Wages Increase Over Time?

Unlike many entry-level jobs, plumbing apprentices see structured wage progression. Every time you successfully complete a level of in-school training and log enough on-the-job hours, your pay typically increases.

For example:

1. Start at Level 1: You sign with an employer, register with STO, and begin work at ~$17/hour.
2. After ~1,800 hours + Level 1 school: Your employer may bump you to Level 2 wages (~$20/hour).
3. Repeat until Level 5—when you’re eligible to write the Certification of Qualification (C of Q) exam to become a licensed journeyperson plumber.

💡 Pro Tip: Some employers offer merit-based raises or bonuses for reliability, safety compliance, or overtime—so show up early, ask questions, and be coachable.

Union vs. Non-Union Apprentice Pay

Another major factor? Union affiliation.

• Union apprentices (e.g., through UA Local 46 in Toronto) often start at $22–$24/hour in Year 1, thanks to collective bargaining agreements. They also receive benefits like dental, pension contributions, and paid training.
• Non-union apprentices may start lower ($15–$18/hour) but could earn more in small companies that offer performance incentives or cash bonuses.

However, union entry is competitive—you may need to apply through a union hall and pass aptitude tests.

What Affects Your Earnings as a Plumbing Apprentice?

Several real-world factors influence your actual take-home pay:

• Location: Urban centers like Mississauga or Ottawa usually pay more than rural towns, but cost of living is higher.
• Employer Size: Large plumbing firms may offer structured raises; small contractors might offer flexibility or tips.
• Overtime: Many plumbers work 10–12 hour days during renovations or emergencies—often at 1.5x regular pay after 44 hours/week (as per Ontario’s Employment Standards Act).
• Seasonality: Spring and summer are peak seasons—more hours = more income.

According to a 2024 survey by the Canadian Apprenticeship Forum, 68% of plumbing apprentices in Ontario reported earning more than $40,000 annually by Year 3—well above minimum wage jobs.

How to Maximize Your Apprentice Income

Want to earn at the top of the scale? Follow these steps:

1. Complete training on time – Delays can stall wage increases.
2. Track your hours meticulously – Use the Skilled Trades Ontario app or logbook.
3. Seek overtime opportunities – Especially during home renovation season (April–October).
4. Get safety certifications – Like Working at Heights or WHMIS—some employers pay bonuses for these.
5. Network with journeypersons – A good mentor can lead to better job referrals or raises.

Remember: Your goal isn’t just to survive the apprenticeship—it’s to become a high-demand plumber. Licensed plumbers in Ontario average $70,000–$95,000/year, with top earners clearing six figures.

Career Outlook for Plumbers in Ontario

The future is bright. Ontario faces a skilled trades shortage, with over 80,000 new plumbers needed by 2030 due to retirements and housing growth. This demand drives up wages and job security.

The Government of Canada’s Job Bank rates plumbing as a “high-demand” occupation with “good” long-term prospects. Plus, as a certified journeyperson, you can work almost anywhere in Canada—or even start your own business.

For more on trade pathways, see the Wikipedia overview of plumbing as a profession.

FAQ: How Much Does a Plumber Apprentice Make in Ontario?

Q1: Do I get paid while attending in-school training?
A: It depends on your employer. Union apprentices usually get paid during school blocks. Non-union employers may not—but many do cover partial wages or travel costs. Always clarify this before signing a contract.

Q2: Can I start a plumbing apprenticeship with no experience?
A: Yes! Most employers provide on-the-job training. A high school diploma (or equivalent) and basic math/mechanical skills are usually enough to qualify. Some even offer pre-apprenticeship programs.

Q3: How many hours do plumbing apprentices work per week?
A: Full-time apprentices typically work 35–45 hours/week, often Monday–Friday. Overtime is common during busy seasons or emergency calls.

Q4: Are there grants or financial aid for plumbing apprentices?
A: Yes! Ontario offers the Apprenticeship Incentive Grant (up to $1,000 per year) and the Completion Grant ($2,000 upon certification). You may also qualify for federal tax credits.

Q5: How long does it take to become a licensed plumber in Ontario?
A: The full apprenticeship takes 5 years (8,280 hours + 3 in-school sessions). After that, you write the C of Q exam. Once licensed, you can work independently.

Q6: Can international students become plumbing apprentices in Ontario?
A: It’s possible but complex. You’ll need a valid work permit and employer sponsorship. Contact Skilled Trades Ontario for eligibility details.

Conclusion

So, how much does a plumber apprentice make in Ontario? Realistically, between $16 and $35/hour, depending on your year, location, and employer—with full-time earnings ranging from $33,000 to over $70,000 by your final year. More importantly, you’re building toward a recession-resistant, high-income career with massive growth potential.

If you’re considering the trades, plumbing offers one of the best ROI paths in Ontario: earn while you learn, graduate debt-free, and step into a six-figure future.

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