Exterior paint costs in Seattle
Here’s the ballpark for common exterior paint jobs around Seattle, WA. Want one for your own project? A photo is all it takes.
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What it usually costs
- Repaint the whole house$2.05 – $5.63 per sq ft
- Paint just the trim and shutters$1.67 – $6.67 per sq ft
A ballpark, not a quote. Some of these are national averages adjusted for Seattle prices, so your job could land outside them.
Exterior paint in Seattle
Seattle loves its trees, and your siding feels it. The city measured 28.1% tree canopy cover in 2021 and has a goal of 30% by 2037. A wall behind a big cedar or a tall hedge gets little sun and little breeze. Purdue University's guide to house-paint stains says that's exactly where mildew is most common: shaded walls behind trees or shrubs, where the air barely moves.
The rain keeps those walls damp for months. Sea-Tac's normal November, December and January each bring close to six inches, while July gets less than one. A shady wall can stay wet from fall into spring.
That changes what a Seattle repaint starts with. Purdue warns that mildew has to be killed before you repaint, or it grows right through the new coat. Expect the crew to scrub the green and gray off the shaded faces, rinse, and let the siding dry out before any primer goes on. Painting over it won't fix the problem for long.
Ask what's in the can, too. Purdue notes that a paint with a mildewcide, put on a clean surface, should keep mildew away for some time.
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