S.F. 595 Section 1. Section 103A.11, subsection 2, Code 2025, is 1 amended to read as follows: 2 2. The text of any proposed rule shall be made available 3 for inspection at the office of the commissioner and shall be 4 distributed to the governmental subdivisions which have adopted 5 the state building code, and to any other person who requests 6 a copy. A proposed rule affecting the state building code 7 shall consider housing affordability and shall include a public 8 report submitted by the commissioner to the administrative 9 rules review committee outlining the estimated increase or 10 decrease in construction costs to single-family or multi-family 11 homes resulting from the promulgation of the proposed rule. 12 Sec. 2. Section 105.17, subsection 1, paragraph b, Code 13 2025, is amended to read as follows: 14 b. On and after July 1, 2008, a governmental subdivision 15 shall not prohibit a contractor or a plumbing, mechanical, 16 HVAC-refrigeration, sheet metal, or hydronic professional 17 licensed pursuant to this chapter from performing services 18 for which that person is licensed pursuant to this chapter 19 or enforce any contractor or plumbing , and mechanical , 20 HVAC-refrigeration, sheet metal, or hydronic professional 21 licensing provisions promulgated by the governmental 22 subdivision against a person licensed pursuant to this chapter . 23 Sec. 3. Section 331.301, subsection 6, paragraph b, Code 24 2025, is amended to read as follows: 25 b. A county shall not impose any fee or charge on any 26 individual or business licensed by the plumbing and mechanical 27 systems board for the right to perform plumbing, mechanical, 28 HVAC, refrigeration, sheet metal, or hydronic systems work 29 within the scope of the license. A county shall not impose a 30 license fee or charge on any individual or business defined as 31 a “general contractor” as defined in section 572.1, subsection 32 3, or “subcontractor” as defined in section 572.1, subsection 33 11. This paragraph does not prohibit a county from charging 34 fees for the issuance of permits for, and inspections of, work 35 -1- LSB 2249SV (2) 91 ll/js 1/ 5

S.F. 595 performed in its jurisdiction. 1 Sec. 4. Section 331.301, subsection 25, paragraph b, Code 2 2025, is amended to read as follows: 3 b. (1) A county shall not adopt or enforce an ordinance, 4 motion, resolution, or amendment relating to the preservation, 5 compaction, placement, or depth of topsoil at a construction 6 site that is more restrictive than those requirements provided 7 in the national pollutant discharge elimination system general 8 permit no. 2 as issued by the department of natural resources. 9 A county may develop standards to evaluate topsoil quantities 10 before and after construction and ensure compliance with 11 general permit no. 2. A county may request that the department 12 of natural resources review the soil of a construction site to 13 verify that the national pollutant discharge elimination system 14 general permit no. 2 as issued by the department of natural 15 resources is proper for the construction site. 16 (2) Notwithstanding any other provision of law to the 17 contrary, a county shall not adopt or enforce an ordinance, 18 motion, resolution, or amendment, or use any other means 19 relating to the stormwater management methods required at a 20 construction site, that imposes additional improvements or 21 methods more restrictive than those required as part of the 22 county’s initial review and approval of a proposed subdivision 23 plat, lot, or parcel as required by section 354.8 unless 24 otherwise required by another state or federal law. A county 25 may develop standards to evaluate stormwater management methods 26 before and after construction and ensure compliance with other 27 state or federal laws. 28 Sec. 5. Section 364.3, subsection 3, paragraph b, Code 2025, 29 is amended to read as follows: 30 b. A city shall not impose any fee or charge on any 31 individual or business licensed by the plumbing and mechanical 32 systems board for the right to perform plumbing, mechanical, 33 HVAC, refrigeration, sheet metal, or hydronic systems work 34 within the scope of the license. A city shall not impose a 35 -2- LSB 2249SV (2) 91 ll/js 2/ 5

S.F. 595 license fee or charge on any individual or business defined as 1 a “general contractor” as defined in section 572.1, subsection 2 3, or “subcontractor” as defined in section 572.1, subsection 3 11. This paragraph does not prohibit a city from charging 4 fees for the issuance of permits for, and inspections of, work 5 performed in its jurisdiction. 6 Sec. 6. Section 364.3, subsection 19, paragraph b, Code 7 2025, is amended to read as follows: 8 b. (1) A city shall not adopt or enforce an ordinance, 9 motion, resolution, or amendment relating to the preservation, 10 compaction, placement, or depth of topsoil at a construction 11 site that is more restrictive than those requirements provided 12 in the national pollutant discharge elimination system general 13 permit no. 2 as issued by the department of natural resources. 14 A city may develop standards to evaluate topsoil quantities 15 before and after construction and ensure compliance with 16 general permit no. 2. A city may request that the department 17 of natural resources review the soil of a construction site to 18 verify that the national pollutant discharge elimination system 19 general permit no. 2 as issued by the department of natural 20 resources is proper for the construction site. 21 (2) Notwithstanding any other provision of law to the 22 contrary, a city shall not adopt or enforce an ordinance, 23 motion, resolution, or amendment, or use any other means 24 relating to the stormwater management methods required at a 25 construction site, that imposes additional improvements or 26 methods more restrictive than those required as part of the 27 city’s initial review and approval of a proposed subdivision 28 plat, lot, or parcel as required by section 354.8 unless 29 otherwise required by another state or federal law. A city may 30 develop standards to evaluate stormwater management methods 31 before and after construction and ensure compliance with other 32 state or federal laws. 33 EXPLANATION 34 The inclusion of this explanation does not constitute agreement with 35 -3- LSB 2249SV (2) 91 ll/js 3/ 5

S.F. 595 the explanation’s substance by the members of the general assembly. 1 This bill relates to the regulation of construction, 2 including state building codes, contractor licensing, and 3 stormwater management requirements. 4 Under current law, the state building code commissioner 5 (commissioner) must make available for inspection at the 6 office of the commissioner any proposed rule and distribute 7 the proposed rule to the governmental subdivisions that have 8 adopted the state building code and to any other person who 9 requests a copy. The bill adds the requirement that a proposed 10 rule affecting the state building code must consider housing 11 affordability and a public report must be submitted by the 12 commissioner to the administrative rules review committee 13 outlining the estimated increase or decrease in construction 14 costs to single-family or multi-family homes resulting from the 15 promulgation of the proposed rule. 16 Under current law, a county or city is prohibited from 17 imposing a fee or charge on any individual or business licensed 18 by the plumbing and mechanical systems board for the right to 19 perform plumbing, mechanical, HVAC, refrigeration, sheet metal, 20 or hydronic systems work within the scope of the license. A 21 county or city may charge fees for the issuance of permits for, 22 and inspections of, work performed in its jurisdiction. 23 The bill prohibits a county or a city from imposing 24 a licensing fee or charge on a general contractor or a 25 subcontractor. “General contractor” includes every person 26 who does work or furnishes materials by contract, express or 27 implied, with an owner. “General contractor” does not include 28 a person who does work or furnishes materials on contract 29 with an owner-builder. “Subcontractor” includes every person 30 furnishing material or performing labor upon any building, 31 erection, or other improvement, except those having contracts 32 directly with the owner. “Subcontractor” shall include those 33 persons having contracts directly with an owner-builder. 34 The bill prohibits a county or city from imposing additional 35 -4- LSB 2249SV (2) 91 ll/js 4/ 5

S.F. 595 improvements or methods for stormwater management required at a 1 construction site that are more restrictive than those required 2 as part of the county or city’s initial review and approval of 3 a proposed subdivision plat, lot, or parcel unless otherwise 4 required by another state or federal law. A county or city may 5 develop standards to evaluate stormwater management methods 6 before and after construction and ensure compliance with other 7 state or federal laws. 8 -5- LSB 2249SV (2) 91 ll/js 5/ 5