How long does a dishwasher last, and how do you make it last longer?
Maintained lasts 12 years, left alone about 9. That gap is yours to keep.
A dishwasher lasts about 9 to 12 years. Cleaning the filter monthly and running a descaler in hard water keeps it draining and cleaning well.
Two lifespans
The supply line or door seal leaks slowly under the cabinet, warping the floor and growing mold you cannot see until it spreads.
Overview
A dishwasher is one of the easiest appliances to keep alive. A clean filter and the occasional descale do most of the work, especially against Florida hard water. Here is how long it lasts, what protects it, and the most reliable brands.
Top brands
The names pros and reviewers consistently rank at the top.
Most reliable for over a decade, very low service rates.
Premium and long lasting.
Reliable and well built.
The maintenance that buys you the years
- Clean the filterHigh impactMonthly
Prevents drainage and odor issues.
- Run a descaler or dishwasher cleanerHigh impactRegularly, especially in hard water
Stops scale from clogging the spray arms and pump.
- Check and clean the spray armsMedium impactEvery few months
Restores cleaning power.
- Scrape, do not pre-rinseLow impactEvery load
The detergent needs food to grab onto to work well.
Signs it is failing
- Dishes come out gritty or spotty
- Standing water in the bottom
- Not draining fully
- An odor that will not clear
Repair or replace
Under 9 years, most parts are worth replacing. Past 10 with a pump or control board failure, replace.
The facts
Hard water scale builds fast here, so a regular descale is one of the highest-return chores you can do.
FAQ
Monthly, to prevent drainage and odor problems.
Sources
Sources are general public references. Verify specifics for your model.
Make this one last longer
Book a pro who does this work, or add this dishwasher to your free home record and get reminders when it needs service.
Keep going
Lifespans and maintenance guidance are general estimates and vary by product, use, and climate. Always follow your manufacturer's instructions.