How Long Does Paint Last?
Repaint timing for every room and every exterior surface — plus the warning signs a paint job is done protecting and just decorating.
Last updated: July 2026
Interior Paint Lifespan by Room
Interior paint doesn't wear out on a single schedule — it wears out room by room, based on how much touching, scrubbing, steam, and traffic each wall absorbs. Here's a realistic repaint timeline:
| Room / Surface | Repaint Interval | Why |
|---|---|---|
| Living Rooms & Bedrooms | 7–10 years | Low contact; paint fails cosmetically, not physically |
| Hallways & Stairways | 3–5 years | Constant hand and shoulder contact, scuffs, furniture dings |
| Kitchens & Bathrooms | 3–5 years | Grease, steam, and repeated scrubbing break down the film |
| Trim & Doors | 5–7 years | Handled daily; chips and yellowing show fast on gloss |
| Ceilings | 10+ years | Nothing touches them; repaint for stains or color refresh |
Paint quality moves these numbers meaningfully. A premium washable matte or eggshell survives scrubbing that strips builder-grade flat paint, which is why the flat white walls in new construction often look tired in two years. In high-contact rooms, the upgrade to a scrubbable finish is the difference between wiping off a mark and repainting the wall.
Exterior Paint Lifespan by Surface
Outside, the substrate does as much work as the paint. Surfaces that expand, contract, and absorb moisture shed paint fastest:
| Exterior Surface | Repaint Interval | Why |
|---|---|---|
| Wood Siding | 3–7 years | Swells and shrinks with moisture; hardest surface on paint |
| Stucco | 5–10 years | Stable but porous; hairline cracks telegraph through |
| Fiber Cement | 10–15 years | Dimensionally stable; factory finishes last longest |
| Brick (Painted) | 15–20 years | Barely moves; once painted, it holds coats for decades |
Exposure skews these ranges hard. South- and west-facing walls take several times the UV of north-facing walls and routinely need repainting years earlier — which is why pros check the sunny side of the house to judge a paint job's age. Coastal salt air, harsh winters, and dark colors (which absorb more heat and fade visibly) all push you toward the short end.
Signs It's Time to Repaint
- Fading: When the wall color visibly shifts between sun-struck and shaded areas — or the spot behind a picture frame is a different color than the wall around it — the pigments have broken down.
- Chalking: Wipe an exterior wall with a dark cloth. A powdery residue means the binder has degraded and the paint film is eroding; it's no longer shedding water the way it should.
- Peeling, cracking, and blistering: The urgent one. Once the film lifts, water reaches bare wood or drywall, and every month of delay grows the prep work. Small peeling patches caught early are spot repairs; ignored, they become full-side scrape-and-repaint jobs.
- Caulk gaps: Cracked, shrunken caulk at trim joints, window casings, and siding butts lets water behind the paint film — failure starts at these seams. Failing caulk is usually the first domino, and re-caulking during a repaint is what makes the new job last.
The key mental shift for exteriors: paint is a weather barrier first and a color second. Repaint on the early side of the interval and you're recoating sound surfaces — cheap and fast. Repaint late and you're paying for scraping, sanding, priming, and wood repair before the first new coat goes on.
Repaint Cost & Quantities
A DIY interior repaint costs mostly paint: figure your exact gallons with the paint calculator so you buy the right amount the first time — most rooms need less than people guess, and returns on custom-tinted paint aren't a thing. For outside work, the exterior paint calculator handles siding area, gables, and trim.
Hiring it out instead? Our interior painting cost guide breaks down per-room and per-square-foot pricing so you can sanity-check quotes. And if you're picking up the roller yourself, the paint-a-room guide covers the prep, priming, and cut-in technique that separates a 3-year paint job from an 8-year one.
Due for a Repaint?
Calculate exactly how many gallons your rooms need — walls, ceilings, and trim — before you head to the paint counter.
Paint Calculator →Frequently Asked Questions
Repaint most interior walls every 5–10 years. Low-contact rooms like bedrooms and living rooms stretch to 7–10 years, while hallways, kitchens, bathrooms, and kids' rooms need refreshing every 3–5 years because scrubbing, steam, and scuffs break the paint film down faster. Trim and doors typically go 5–7 years, and ceilings can go 10+ since nothing touches them. Higher-quality washable finishes in high-traffic rooms push every interval toward its long end.
Exterior paint lasts 3–7 years on wood siding — the shortest interval of any common exterior surface, because wood swells and shrinks with moisture and cracks the paint film from underneath. Sun exposure drives the range: shaded north walls can hold paint 7+ years while south- and west-facing walls may peel in 3–4. Thorough prep (scraping, sanding, priming bare wood) and two finish coats of quality acrylic are what get wood siding to the long end of the range.
Yes. Sealed, never-opened latex paint lasts roughly 2–10 years stored in stable indoor temperatures, but once opened the clock speeds up — expect 1–5 years even with the lid hammered tight, less if it has been through freeze-thaw cycles in a garage. The test: stir it and brush a sample on cardboard. If it mixes smooth and dries normally, it's usable; if it smells sour, stays lumpy after stirring, or has a rubbery skin all the way through, discard it. Store leftovers indoors, and mark the wall color and date on the lid.