--- title: "Septic Inspectors & Radon Pros in Clay County, MN: 2 Licensed | MN Home Sale Pros" description: "1 MPCA-licensed SSTS inspectors and 1 MDH-licensed radon pros based in Clay County, Minnesota, for home sales." canonical: https://mnhomesalepros.com/county/clay/ --- [Home](https://mnhomesalepros.com/) › [Counties](https://mnhomesalepros.com/counties/) › Clay County # Septic inspectors and radon pros in Clay County, MN 1 MPCA-licensed SSTS inspector businesses and 1 MDH-licensed radon businesses list an address in Clay County. Many work across counties, and most radon pros list a statewide service area. Minnesota has no single statewide septic-at-sale rule, but many counties and cities require an SSTS compliance inspection at property transfer by local ordinance ([MPCA local SSTS programs](https://www.pca.state.mn.us/business-with-us/local-septic-system-programs)). Ask the county or city SSTS office whether a transfer inspection applies. Inspections must be done by an MPCA-licensed SSTS inspector business. ## SSTS (septic) inspectors (1) ✔ MPCA SSTS licensed Inspector ### Jennen Construction LLC 9313 300th St S, Hawley, MN 56549 ☎ [(701) 371-9366](tel:7013719366) ✉ jennenconstructionllc@gmail.com Certified staff: James R Jennen Also licensed: Designer, Installer, Maintainer, Pipelayer License L4399, expires 2027-07-25 · bonded, insured Source: [MPCA SSTS](https://services.pca.state.mn.us/api/doc/v1/ssts/licensed-businesses), retrieved 2026-10-12 · [Claim/correct/remove](https://mnhomesalepros.com/list-your-business/?id=SL4399) ## Radon testing and mitigation (1) ✔ MDH radon license MeasurementMitigation ### River Cities Radon 4517 Blue Stem Way, Moorhead, MN 56560 ☎ [(701) 866-7572](tel:7018667572) 🌐 [rivercitiesradon.com](https://www.rivercitiesradon.com) 1 MDH-licensed professional * Rick Westby (RMITS-00042) Service area (per MDH): Statewide Source: [MDH Radon Service Providers](https://radon.web.health.state.mn.us/serviceProviders.jsf), retrieved 2026-10-12 · [Claim/correct/remove](https://mnhomesalepros.com/list-your-business/?id=M221) Data last verified 2026-10-12 against MPCA's SSTS licensed-business data and MDH's radon service provider list. ## Neighboring counties [Becker County](https://mnhomesalepros.com/county/becker/) · [Otter Tail County](https://mnhomesalepros.com/county/otter-tail/) · [Wilkin County](https://mnhomesalepros.com/county/wilkin/) ## Guides [Septic (SSTS) at sale](https://mnhomesalepros.com/septic-inspectors/) · [Radon at sale](https://mnhomesalepros.com/radon/) · [Truth-in-Sale of Housing](https://mnhomesalepros.com/truth-in-sale-of-housing/)