Depending on your specific needs, you may need to get city permits. If you choose to install a sump pump, you should make sure it is properly installed. Before you can get started, it's important to know what kind of sump pump you have. To do this you need to figure out whether or not your home has a crawlspace or basement. Finally, you will need to install the discharge line. Battery backup sump pumps are available in both water and battery-powered varieties.