EPA says an average household septic system should generally be inspected at least every three years and that household septic tanks are typically pumped every three to five years; actual frequency depends on the system and household use. That general maintenance guidance is not a statement that the system will satisfy a sale, lender, or local requirement.
From the seller playbook: Septic System Records and Inspection for a New York Property Sale
This is general information, not legal, tax or accounting advice. Every situation is different. Talk to a licensed attorney, accountant or tax professional before you act.
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