Cost guide
Interior Painting Cost in Ontario (Per Room / Sq Ft, 2026)
Interior painting in Ontario runs roughly $400–$1,200 for a single room, $2,500–$6,000 for a main floor, and $6,000–$15,000+ whole-home in 2026. Prep, not paint, decides the price and how long the finish holds. Planning ranges, not quotes.
HomeCopilot Editorial
Fresh paint is the cheapest way to transform a room — but the difference between a job that looks great for a decade and one that peels in a year is almost entirely in the prep. Here is what interior painting costs in Ontario in 2026, and why a low quote that skips the prep is not a deal.
Planning range · CAD
as of August 2026
| Tier | Low | High |
|---|---|---|
| Standard finishes | $3,000 | $9,000 |
| Premium finishes | $4,000 | $12,000 |
| High-end / custom | $5,500 | $16,000 |
Illustrative whole-project planning range, not a quote.
Illustrative planning range from HomeCopilot Ontario bands — not a quote.
| Scope | Planning range (CAD) |
|---|---|
| Single room, walls only | $400 – $1,200 |
| Main floor (walls, ceilings, trim) | $2,500 – $6,000 |
| Whole-home interior | $6,000 – $15,000+ |
Where the money actually goes
- Prep — patching, sanding, caulking, and priming. On older walls this often takes longer than the painting itself.
- Ceilings and height — high or vaulted ceilings need staging and more paint.
- Trim, doors, and ceilings vs walls-only — cutting in trim and doors is slow, detailed work.
- A big colour change — going dark to light (or covering a bold colour) can add a coat.
- Paint quality — better paint covers in fewer coats and holds up longer, which can cost less over the life of the job.
FAQ
Why does prep drive the price so much?
Because it is where the time goes. Patching, sanding, and priming can be more hours than the painting itself — and skipping it is exactly why cheap paint jobs peel, crack, or show every old flaw.
How many coats should I expect?
Two coats over a matching primer is standard for a durable, even finish. A dramatic colour change or a fresh drywall surface can need an extra coat, which a good quote will call out.
Are trim and ceilings included in a quote?
Not always — walls-only is cheaper. When you compare quotes, confirm whether trim, doors, and ceilings are in or out, because that is often the difference between two very different numbers.
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