---
title: "Jadd Seppmann & Sons Inc, Mankato, MN | MN Home Sale Pros"
description: "Jadd Seppmann & Sons Inc: Septic (SSTS) inspection in Mankato, MN. Licence details, contact and quotes."
canonical: https://mnhomesalepros.com/firms/jadd-seppmann-sons-inc-sl310/
---

# Jadd Seppmann & Sons Inc

* Septic (SSTS) inspection
* Mankato, MN (Blue Earth County)
* Phone: (507) 625-3400
* Email: office@seppmannandsons.com
* Address: 54043 State Hwy 68, Mankato, MN 56001
* Google rating: 4.8 from 24 reviews (as of Oct 18, 2026)
* MPCA SSTS licence L310: Inspector, Intermediate Inspector, Advanced Inspector (exp. 2027-03-13)
* Also licensed: Designer, Installer, Maintainer, Service provider, Pipelayer
* bonded · insured

Get a quote: https://mnhomesalepros.com/get-quotes/?firm=SL310

Source: https://services.pca.state.mn.us/api/v1/ssts/licensed-businesses?format=json, retrieved 2026-10-12. Claim / correct: https://mnhomesalepros.com/list-your-business/?id=SL310