Indiana Radon Guides

Practical information about radon testing and mitigation in Indiana — written for homeowners, buyers, and sellers.

How a Radon Mitigation System Works — Explained for Homeowners

A plain-language explanation of how sub-slab depressurization radon mitigation systems work, what the components do, and how to know yours is functioning correctly.

March 2026

How to Test Your Home for Radon in Indiana

DIY radon test kits vs. certified testers, how to place a kit correctly, what the results mean, and when to test again. A straightforward guide for Indiana homeowners.

March 2026

Indiana Radon Levels by County — EPA Zone Map

EPA radon zone designations for all 92 Indiana counties. Find out whether your county is high-risk Zone 1 or moderate Zone 2, and what that means for your home.

March 2026

How Often Should You Test for Radon in Indiana?

Testing frequency recommendations for Indiana homeowners — initial tests, post-mitigation testing, routine retesting schedules, and when life events should trigger a new test.

March 2026

Radon and Home Sales in Indiana — What Buyers and Sellers Need to Know

How radon affects Indiana real estate transactions. Disclosure rules, inspection contingencies, negotiating mitigation, and what to do when a test comes back high.

March 2026

Radon in Indiana Rental Properties — Tenant and Landlord Guide

Indiana has no law requiring landlords to test rental properties for radon. Here's what tenants can do, what landlords should know, and how radon in rentals is handled in practice.

March 2026

How Much Does Radon Mitigation Cost in Indiana?

Typical radon mitigation costs in Indiana, what affects the price, and what you should get for your money. Written for Indiana homeowners getting their first quotes.

March 2026

Radon and Lung Cancer: Understanding the Health Risk

Radon is the second leading cause of lung cancer in the US. Learn how radon causes lung cancer, what your risk is at different levels, and why Indiana homeowners face elevated exposure.

March 2026

Radon-Resistant New Construction in Indiana — Builder and Buyer Guide

Most Indiana builders include passive radon-resistant features in new homes. Learn what RRNC is, what Indiana building codes require, and how to upgrade a passive system to active mitigation.

March 2026

Do You Need a Building Permit for Radon Mitigation in Indiana?

Whether Indiana municipalities require a building permit for radon mitigation system installation, and how to check requirements for your specific city or county.

March 2026

What Is a Radon Mitigator? Indiana License Requirements Explained

What Indiana radon mitigators and testers are licensed to do, how the IPLA licensing system works, and why hiring a licensed contractor matters.

March 2026