Sump pump replacement cost in 2026: what's normal, and what's not
Updated August 2026
for a standard replacement in an existing pit, nationally. Adding a battery backup system runs several hundred to over a thousand dollars on top.
These are ballparks, not quotes. They come from federal labor statistics (BLS wage data by state) combined with typical equipment pricing, so your actual quote depends on your home, your city, and what the job includes.
What actually moves the price
A sump pump swap is one of the smaller plumbing jobs, so the price moves on a short list of things:
- Pump type and power. Submersible pumps (in the pit, quieter, standard for finished basements) cost more than pedestal pumps. Higher horsepower and cast-iron builds price above basic plastic units.
- Check valve and discharge work. A new check valve is cheap insurance and often included. Re-plumbing the discharge line, or extending it further from the foundation, adds labor.
- Backup systems. Battery backups keep pumping through power outages, which is exactly when heavy storms tend to hit. Water-powered backups are an option where water pressure and code allow.
- First-time install vs swap. Replacing a pump in an existing pit is quick. Digging a new pit and running new discharge plumbing is a different, larger job.
- Labor rates where you live. Even on small jobs, regional wages commonly move the price by 40 to 70% between low-wage and high-wage areas, and more at the extremes.
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Sump pump replacement cost by state
Installed ranges for a standard replacement in an existing pit, adjusted for each state's labor rates (BLS wage data, plumbing trades).
| State | Replacement, existing pit |
|---|---|
| Alabama | $350 to $1,000 |
| Alaska | $550 to $1,650 |
| Arizona | $400 to $1,150 |
| Arkansas | $350 to $1,000 |
| California | $500 to $1,550 |
| Colorado | $400 to $1,250 |
| Connecticut | $450 to $1,400 |
| Delaware | $400 to $1,200 |
| Washington, DC | $550 to $1,700 |
| Florida | $350 to $1,050 |
| Georgia | $400 to $1,150 |
| Hawaii | $550 to $1,700 |
| Idaho | $350 to $1,100 |
| Illinois | $550 to $1,600 |
| Indiana | $400 to $1,200 |
| Iowa | $400 to $1,250 |
| Kansas | $400 to $1,150 |
| Kentucky | $350 to $1,050 |
| Louisiana | $350 to $1,050 |
| Maine | $400 to $1,150 |
| Maryland | $450 to $1,350 |
| Massachusetts | $500 to $1,550 |
| Michigan | $450 to $1,300 |
| Minnesota | $500 to $1,450 |
| Mississippi | $300 to $950 |
| Missouri | $400 to $1,200 |
| Montana | $400 to $1,150 |
| Nebraska | $400 to $1,200 |
| Nevada | $450 to $1,300 |
| New Hampshire | $400 to $1,250 |
| New Jersey | $500 to $1,550 |
| New Mexico | $350 to $1,100 |
| New York | $500 to $1,500 |
| North Carolina | $350 to $1,100 |
| North Dakota | $450 to $1,350 |
| Ohio | $400 to $1,250 |
| Oklahoma | $350 to $1,050 |
| Oregon | $500 to $1,500 |
| Pennsylvania | $400 to $1,250 |
| Rhode Island | $450 to $1,400 |
| South Carolina | $350 to $1,100 |
| South Dakota | $350 to $1,050 |
| Tennessee | $350 to $1,050 |
| Texas | $350 to $1,100 |
| Utah | $400 to $1,150 |
| Vermont | $400 to $1,200 |
| Virginia | $400 to $1,200 |
| Washington | $550 to $1,650 |
| West Virginia | $350 to $1,000 |
| Wisconsin | $450 to $1,300 |
| Wyoming | $400 to $1,200 |
Repair it or replace it?
Unlike a furnace, a sump pump is usually replaced rather than repaired: the unit itself is a few hundred dollars, so labor-heavy repairs rarely make sense. The useful skill is knowing when it's failing:
- A stuck or failed float switch: the most common failure, and on some models the switch can be replaced alone. If the pump never turns on at all, the switch is the first suspect; a pump that hums but doesn't move water usually has a jammed impeller or a failing motor instead.
- Constant running: can be a stuck float, a failed check valve letting water flow back, or genuinely high groundwater. Worth diagnosing before assuming the pump is bad.
- Age: most pumps last 7 to 10 years. A pump that old which rattles, grinds, or short-cycles is telling you its replacement window is open. Testing it by pouring in a bucket of water twice a year beats finding out during a storm.
If your basement is finished or your area loses power in storms, the battery backup question matters more than the pump brand. Text Dun and it can talk through your setup.
Common questions
How long do sump pumps last?
Typically 7 to 10 years. Pumps that run frequently because of a high water table wear out faster than ones that only run in storms.
Is a battery backup worth it?
If your basement is finished, or your area tends to lose power during heavy storms, usually yes: pump failure and power failure like to happen at the same moment. If the basement is unfinished and floods would be a nuisance rather than a loss, it's more of a judgment call.
What are the signs a sump pump is failing?
Running constantly, rattling or grinding noises, short cycling on and off, visible rust, and simple age past 7 years. The best test is pouring a bucket of water into the pit and watching it start, pump down, and stop cleanly.
Can I replace a sump pump myself?
A handy homeowner can, since it's mostly unplugging, unclamping, and matching the discharge fitting. Sizing the new pump correctly and installing a working check valve are the parts worth getting right. If in doubt, it's a quick, inexpensive plumber visit.
Why does my sump pump run all the time?
A stuck float switch, a failed check valve letting pumped water drain back into the pit, an undersized pump, or genuinely high groundwater. A pump that runs constantly wears out early, so it's worth finding which one it is.
More cost guides
What other common jobs run, from the same data:
Cost figures are informational estimates based on public labor statistics and typical equipment pricing. They are not quotes, and Dun has not inspected your home.