How Long Do Sump Pumps Usually Last?

Next steps (at a glance)

If you only do 3 things:

  1. Find out how old your sump pump is and what type it is.

  2. Test that it turns on and pumps water out.

  3. Plan replacement before failure—not after a flooded basement.

Urgency level: Low → Medium
(Becomes High if the pump won’t turn on, runs constantly, or basement water appears.)

Short answer

Most sump pumps last 7–10 years. Lifespan depends on pump type, how often it runs, water quality, and maintenance.

Sump pumps often fail quietly—and usually during heavy rain, when you need them most.

What a sump pump does (and why it matters)

A sump pump collects groundwater that enters the sump pit and pumps it away from the foundation. Its job is simple: keep water from rising high enough to enter the basement or crawlspace.

When a sump pump fails, water doesn’t just stop—it rises.

Typical sump pump lifespan (what most homes see)

  • Submersible sump pumps: usually 7–10 years
    Replacement clues: louder operation, short cycling, failure to start

  • Pedestal sump pumps: often 8–12 years
    Replacement clues: motor noise, corrosion, inconsistent pumping

  • Check valves: wear sooner
    Replacement clues: water flowing back into the pit after shutdown

Frequent cycling shortens lifespan faster than age alone.

What shortens sump pump lifespan

  • Frequent or constant operation

  • Power outages during storms

  • Sediment or debris in the pit

  • Corrosive or sandy groundwater

  • Lack of testing or inspection

Pumps in wet climates often wear out faster.

Warning signs your sump pump is wearing out

  • Pump runs but moves little or no water

  • Pump runs constantly or cycles rapidly

  • Grinding, rattling, or unusually loud noise

  • Water remains in the pit after running

  • Pump fails to turn on during testing

Any of these mean reliability is declining.

What happens if a sump pump fails

  • Basement or crawlspace flooding

  • Damage to flooring, walls, and stored items

  • Mold or long-term moisture issues

  • Emergency cleanup and repair costs

Sump pump failures usually happen at the worst possible time.

DIY-safe checks you can do

These checks are generally safe for homeowners:

  • Pour water into the pit and confirm the pump activates

  • Listen for smooth operation (not grinding or rattling)

  • Make sure the discharge pipe isn’t blocked

  • Check that the pump shuts off properly

Do not disassemble the pump or access wiring.

Maintenance that actually helps

  • Test the pump a few times per year

  • Keep the pit clear of debris

  • Confirm the discharge line stays clear

  • Consider backup power if outages are common

Maintenance improves reliability—but pumps are still consumable equipment.

If you don’t want to call a professional yet but want to stay safe

Prioritize these:

  • Test the pump before heavy rain seasons

  • Replace pumps near the end of their lifespan proactively

  • Monitor basement moisture after storms

If water appears or the pump behaves inconsistently, professional evaluation is the safest next step.

Common mistakes

  • Assuming the pump will last “as long as it runs”

  • Never testing until it’s needed

  • Ignoring strange noises

  • Skipping replacement because flooding hasn’t happened yet

Sump pumps are insurance devices—failure is expensive.

When to call a professional

Contact a professional if:

  • The pump doesn’t activate during testing

  • Water enters the basement despite the pump

  • The discharge line freezes or backs up

  • The system needs a backup or redesign

What to ask:

  • Whether replacement is recommended

  • Pump sizing and discharge setup

  • Backup options if power loss is common

What to expect:
Replacement is usually straightforward. Planning ahead avoids emergency work.

Related guides

Disclaimer:
This is general information only. When in doubt, hire a licensed professional.