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What Determines the Cost of a Paint Job? 7 Factors That Matter

By PNW Paint Pros · May 26, 2026

Craftsman home exterior repaint in Central OregonCraftsman home exterior repaint in Central Oregon

Quick answer: Painting costs are driven by size, surface condition, prep, height and access, paint quality, color complexity and needed repairs. That’s why honest quotes only come after someone has seen your home — and why two bids for the “same” job can be far apart.

1. Size and square footage

More surface means more labor and material. But size is the least interesting factor — it’s the one online calculators use, and the reason their numbers mislead.

2. Surface condition

Sound, previously-painted siding is one job. Peeling, chalking, sun-baked siding is another entirely. Central Oregon’s high-desert sun is brutal on south- and west-facing walls, and their condition often drives the quote more than the home’s size.

3. Prep work

Washing, scraping, sanding, caulking, priming — the step that decides how long your paint lasts. It’s also the easiest place for a low bid to quietly cut corners, which is how a cheap job becomes an expensive one.

4. Height and access

Two-story walls, steep lots and complex rooflines take more time, equipment and care than a single-story ranch.

5. Paint quality

Premium coatings cost more per gallon and last years longer — which usually makes them cheaper per year. We’ll tell you where premium matters and where it doesn’t.

6. Colors and detail

A dramatic color change may need extra coats. Multiple colors, accent walls and intricate trim add labor.

7. Repairs

Damaged drywall, failing caulk and weathered wood need fixing before paint — painting over problems just gift-wraps them.

How to compare bids fairly

Never compare bottom-line numbers alone. Compare what’s in them: is prep itemized? Are products named? Is there a warranty? A bid that’s dramatically lower usually isn’t cheaper — it’s smaller, with the missing pieces hidden in the fine print. Our cost guide goes deeper on each factor.

The only number that matters is the one for your home: request a free, itemized estimate — most quotes within 48 hours.

Have a project in mind? We’d love to help.

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