How often should you paint cedar siding in the Pacific Northwest?

Painted cedar in the PNW typically needs repainting every 5–7 years; solid stain runs 4–6 and semi-transparent stain 3–5. Subtract a year or more for south-facing exposure, waterfront salt air, or heavy tree cover that keeps siding damp and mossy.

How long does paint last on fiber cement siding here?

Fiber cement (Hardie and similar) holds paint far longer than wood — 12–18 years in the PNW with quality acrylic, because the substrate doesn't move or bleed. Caulk joints and trim usually need attention before the field does.

What are the early signs a Bellingham house needs repainting?

In order of appearance here: flat chalky sheen and fading (especially south walls), moss or green algae film on north walls, caulk cracks at trim joints, tannin bleed-through on cedar, then peeling at horizontal edges — sills, fascia bottoms, and rail tops. Repainting at the chalking stage costs far less than after peeling starts.

Does waiting longer to repaint actually cost more?

Yes. Once coatings fail to bare wood, prep can add 25–35% to the job, and rot repair adds carpentry on top. A repaint at year 6 on cedar is mostly washing and painting; the same house at year 10 often needs scraping, priming, and board replacement.

How Often to Repaint Cedar & Siding in the PNW — Repaint Schedule Estimator

Methodology

Where the intervals come from

Base intervals reflect coating-manufacturer service-life guidance adjusted for what we observe on actual Whatcom County homes: painted cedar 5–7 years, solid stain 4–6, semi-transparent stain 3–5, fiber cement 12–18, wood trim 4–6, stucco/masonry 8–12. The PNW modifiers are the local layer — south/west sun (−1 to −2 years, UV chalking), salt air (−1 to −2, waterfront corridors from Edgemoor to Birch Bay), heavy tree cover (−1, persistent damp and biological growth), and premium coatings (+1 to +2). These are the exact adjustments we make when we look at a house in person.

Reading your result: the due window is a range, not a cliff. "Due soon" means budget and book this season while it's a maintenance repaint. "Overdue" means failure modes are likely already underway — worth a free assessment before winter accelerates them. Last reviewed July 2026.

The Bellingham failure sequence

Coatings here fail in a predictable order: chalking and fade on the south wall first, then a green algae film on the north wall, then caulk-joint cracks at trim, tannin bleed on cedar, and finally peeling at horizontal edges — sills, fascia bottoms, deck rails. Wherever your house is in that sequence tells us more than the calendar does, which is why the on-site look is free.

Common questions

Repaint timing, answered

How often should cedar siding be painted in the PNW?

Every 5–7 years for paint, 4–6 for solid stain, 3–5 for semi-transparent. Subtract a year or two for hard sun exposure, salt air, or tree cover that keeps walls damp.

My paint looks fine — do I really need to repaint on schedule?

Check the south wall with your hand: if it comes away chalky, the coating is oxidizing and losing thickness. Repainting at that stage is cheap. "Looks fine from the street" and "protecting the wood" diverge about two years before peeling shows.

Does fiber cement ever need repainting?

Yes, but on a long clock — 12–18 years with quality acrylic. Caulk joints and trim boards usually need attention first, so periodic maintenance visits matter more than full repaints.

What does waiting too long actually cost?

Peeling to bare wood adds 25–35% in prep, and any rot means carpentry before painting. On a typical Bellingham exterior that's often a four-figure difference — see the Prep Cost Checker for how it stacks up.

When is your house due for paint?

Your siding

Where the intervals come from

The Bellingham failure sequence

Repaint timing, answered

Get the free condition assessment

Got it — we'll call you shortly.