Iowa mandates radon mitigation in new homes, offers tax credit

A bill for an act relating to radon by establishing radon mitigation requirements, creating a radon mitigation system tax credit available against the individual and corporate income taxes, and including retroactive applicability provisions. (Formerly HF 211.)

Engrossed· 2025-04-23

Who's it for

Who's it for: Everyday People

What it means for you

7/10Helps you

Good for everyday people ·

Plain‑English summary, cross‑checked against the official bill text.

If passed, new Iowa homes must include radon protection, and owners can claim up to $1,000 off their taxes for installing a system.

Our take

What we think, in plain words.

Families will breathe safer air in new houses, but builders will have to add radon barriers which may raise building costs. The $1,000 tax credit helps families pay for the system, so the bill balances health protection with affordable costs.

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The facts

What the bill actually says, no spin.

New single‑family and two‑family homes must include passive radon mitigation methods.
A tax credit of up to $1,000 is available for purchasing and installing a radon mitigation system.
The credit can be claimed by individuals, partnerships, LLCs, S corporations, estates, or trusts and can be carried forward if not used.
The requirements and credit apply retroactively to tax years starting January 1, 2025.