Ontario13% HSTUpdated 2026
Plumber Taxes Ontario HST 13% & T2125
Ontario plumbers: collect 13% HST once you pass $30,000. Van and tool deductions, the Quick Method, parts markup rules, T5018 for helpers, and a full T2125 guide.
Track Your $30K Threshold Automatically
NorthOS tracks your GST/HST threshold and flags when you're approaching $30,000, so you're never caught off-guard.
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