Sump pump installation costs depend on more than the equipment on the shelf.
Equipment and backup
Pump capacity, type, alarms, and optional backup power affect the system and price.
Installation conditions
Basin work, plumbing, electrical work, and discharge routing can change labor requirements.
Service expectations
Ask what maintenance and testing are recommended and whether the installer will demonstrate the system.
What to do before hiring
Photograph the affected area and record when moisture first appears. Ask the person assessing the basement to distinguish water entry from condensation or plumbing, explain what the recommended work will accomplish, and identify the discharge route for any collected water.
If you see significant wall movement, widespread damage, or suspect an electrical hazard, arrange an appropriately qualified assessment before proceeding with routine waterproofing.