Senate File 2242 - Introduced SENATE FILE 2242 BY DONAHUE A BILL FOR An Act relating to radon testing and mitigation for the 1 conveyance of single-family residences, and including 2 applicability provisions. 3 BE IT ENACTED BY THE GENERAL ASSEMBLY OF THE STATE OF IOWA: 4 TLSB 5999XS (2) 91 lh/jh

S.F. 2242 Section 1. Section 558.1B, Code 2026, is amended by adding 1 the following new subsection: 2 NEW SUBSECTION . 4. “Single-family residence” means an 3 existing or newly built residential dwelling designed for 4 occupancy by one household and located on property zoned for 5 single-family residential use, including a detached dwelling 6 or townhouse, but excluding duplexes, multifamily dwellings, 7 and condominiums. 8 Sec. 2. Section 558.41, Code 2026, is amended by adding the 9 following new subsection: 10 NEW SUBSECTION . 5. Radon compliance affidavit. A county 11 recorder shall not record a deed conveying a single-family 12 residence unless the deed is accompanied by a sworn affidavit 13 executed by the grantor and grantee affirming that the 14 acquisition complies with section 558.73. 15 Sec. 3. NEW SECTION . 558.73 Radon testing and mitigation 16 for single-family residences. 17 1. Prior to the conveyance of a single-family residence, 18 the grantor shall conduct a radon test for the residence in 19 accordance with the rules adopted by the department of health 20 and human services. 21 2. a. If a radon test conducted pursuant to subsection 22 1 indicated radon concentrations at or above the level at 23 which mitigation is recommended by the federal environmental 24 protection agency, the grantor shall install a radon mitigation 25 system prior to conveyance. The grantor shall then perform an 26 additional radon test to verify that radon levels are not above 27 the levels recommended by the federal environmental protection 28 agency. 29 b. If a radon mitigation system is present in the 30 single-family residence at the time of sale, but is not 31 functioning, the grantor shall repair or replace the radon 32 mitigation system prior to conveyance. 33 3. The grantor and grantee shall execute a sworn affidavit 34 stating the conveyance complies with this section and that the 35 -1- LSB 5999XS (2) 91 lh/jh 1/ 2

S.F. 2242 latest radon test showed a radon level at or below the level 1 recommended by the federal environmental protection agency. 2 4. The department of health and human services shall adopt 3 rules pursuant to chapter 17A to administer this section. 4 Sec. 4. APPLICABILITY. This Act applies to conveyances 5 occurring on or after the effective date of this Act. 6 EXPLANATION 7 The inclusion of this explanation does not constitute agreement with 8 the explanation’s substance by the members of the general assembly. 9 This bill relates to radon testing and mitigation for the 10 conveyance of single-family residences. 11 The bill defines “single-family residence” as existing and 12 newly built residential dwellings designed for occupancy by 13 one household and located on property zoned for single-family 14 residential use. The definition includes detached dwellings 15 and townhouses and excludes duplexes, multifamily dwellings, 16 and condominiums. 17 The bill prohibits a county recorder from recording a 18 deed conveying a single-family residence unless the deed is 19 accompanied by a sworn affidavit executed by the grantor and 20 grantee affirming that the conveyance complies with the bill. 21 The bill requires that, prior to conveyance of a 22 single-family residence, the grantor conduct a radon test in 23 accordance with the rules adopted by the department of health 24 and human services. A grantor must install a radon mitigation 25 system if the radon test indicates radon concentrations at 26 or above the level at which mitigation is recommended by the 27 United States environmental protection agency. If the radon 28 mitigation system is present but not functioning at the time 29 of sale, the grantor must repair or replace the existing radon 30 mitigation system. 31 The bill applies to conveyances occurring on or after the 32 effective date of the bill. 33 -2- LSB 5999XS (2) 91 lh/jh 2/ 2