Cost ranges reflect typical residential septic work in the U. The total project usually falls between $1,000 and $4,500, with most homeowners landing in the $1,500–$3,000 zone when conditions are average. Assumptions: region, specs, labor hours. This guide provides practical price ranges in USD to help plan budgets and compare options. Made of high density polyethylene (HDPE), the distribution box is designed to last the life of the drainage system. Best Freight Rates Every Time! Copyright © Tank Depot 2026. Find reliable options at Tank Depot and shop now to maintain optimal. Contact us between 8AM-6PM EST, Monday - Friday.