According to most experts, you should get your septic tank inspected at least every three to five years. The inspection usually lands around the time that you should also have a professional septic tank pumping service pump the tank. Pumping the septic tank is necessary to keep your septic tank healthy and in satisfactory working order.
Despite what experts recommend, many homeowners wait much longer than five years to have their septic tank inspected. Many wait until something goes wrong to have the septic inspectors over. At that point, inspectors will often recommend you repair or replace your septic system, which can cost thousands of dollars.
If you need a new septic system, it will cost you on average of $6,000-$12,000. Depending on the placement of the system and the terrain of the property they install the new system in, it can cost as much as $25,000.
Getting a regular inspection and pumping will not only save you money from needing a major repair, but it will also help deter any unwanted surprises if you decide to sell your house later.