M
Mark Costello
IA Senate District 8
Office record: openstates/people CC0-1.0
Verify externally: Open States
Issue areas
Derived from issue-tagged bills they sponsored and stated positions — each links to the underlying record. AI-derived tags
Offices & terms
| Office | Party | From | To | Source |
|---|---|---|---|---|
| IA Senate District 8 current
Iowa |
Republican | Jan 3, 2023 | — | openstates/people CC0-1.0 |
| IA Senate District 12
Iowa |
Republican | — | Jan 3, 2023 | openstates/people CC0-1.0 |
Roll-call votes (586 recorded)
| Vote | Position | Date | Result | Source |
|---|---|---|---|---|
| SF 2369 — A bill for an act relating to county and city regulation of accessory dwelling units. | Yea | Mar 2, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2146 — A bill for an act relating to the responsibility and liability of property owners for public places in cities, prohibiting fines, and… | Yea | Mar 2, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| HF 2506 — A bill for an act relating to prizes awarded by licensed qualified organizations. | Yea | Mar 2, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2378 — A bill for an act relating to the ability of property owners to protest proposed changes in zoning districts. | Yea | Mar 2, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| HF 2349 — A bill for an act relating to the final disposition of human remains. | Yea | Mar 2, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2320 — A bill for an act modifying provisions related to the district-to-community college sharing or concurrent enrollment program. | Yea | Mar 2, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2439 — A bill for an act relating to fire protection sprinkler systems in certain residential properties. | Yea | Mar 2, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2374 — A bill for an act relating to the national electrical code, and including effective date provisions. | Yea | Mar 2, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2456 — A bill for an act relating to rounding the amount of cents for cash transactions and payments. | Yea | Feb 26, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2351 — A bill for an act relating to the open enrollment of pupils who are truant or chronically absent, and including applicability provisions. | Yea | Feb 26, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2274 — A bill for an act relating to the sale or offer for sale of certain firearm devices. | Yea | Feb 26, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 274 — A bill for an act relating to forms of payment for entry into an extracurricular interscholastic athletic contest or competition. | Yea | Feb 26, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2426 — A bill for an act relating to sufficient English language proficiency requirements for commercial drivers, providing penalties, and… | Yea | Feb 25, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2412 — A bill for an act relating to qualifications for state and local government employment and professional licensure. | Yea | Feb 25, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2399 — A bill for an act relating to bail and bond amounts and conditions. | Yea | Feb 25, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2218 — A bill for an act relating to state regulatory compliance and eligibility requirements, including by modifying provisions related to the… | Yea | Feb 25, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2430 — A bill for an act relating to the display of flags at half-staff on public buildings. | Yea | Feb 25, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2189 — A bill for an act relating to information required for nonresidents who apply for vehicle registration and issuance of a certificate of… | Yea | Feb 25, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2203 — A bill for an act relating to the verification of United States citizenship of persons registering to vote and registered voters. | Yea | Feb 25, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2187 — A bill for an act relating to the verification of citizenship and immigration status of persons who apply for or renew a driver’s license… | Yea | Feb 25, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2422 — A bill for an act relating to public assistance programs under the purview of the department of health and human services, including the… | Yea | Feb 25, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2422 — A bill for an act relating to public assistance programs under the purview of the department of health and human services, including the… | Nay | Feb 25, 2026 | fail | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2157 — A bill for an act relating to malicious prosecution arising from civil actions between private parties. | Yea | Feb 24, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2086 — A bill for an act authorizing schools to offer an elective junior fire fighter program to students enrolled in grades eleven and twelve. | Yea | Feb 24, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
| SF 2417 — A bill for an act establishing requirements and guidelines for conversational AI services, and providing civil penalties, and including… | Yea | Feb 24, 2026 | pass | Open States bulk CSV (bills/votes) CC0-1.0 |
Sponsored legislation (10 as lead sponsor)
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SJR 2008
IA · —
A joint resolution supporting devolution of power from the United States department of education to the states.
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SF 500
IA · —
A bill for an act relating to establishing the school security personnel grant program within the department of homeland security and emergency management and…
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SJR 6
IA · —
A joint resolution proposing an amendment to the Constitution of the State of Iowa by repealing the natural resources and outdoor recreation trust fund, and…
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SR 101
IA · —
A resolution honoring Staff Sergeant William Nathaniel Howard, Staff Sergeant Edgar Brian Torres-Tovar, and their families.
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SR 104
IA · —
A resolution recognizing and honoring the Young Men’s Christian Association
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SF 367
IA · —
A bill for an act designating kratom as a schedule I controlled substance, and making penalties applicable.
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SF 375
IA · —
A bill for an act relating to the maximum power output for low-speed electric bicycles and pedestrian conveyances powered by an electric motor.
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SF 331
IA · —
A bill for an act relating to the purchasing of a youth deer hunting license and tag.
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SF 320
IA · —
A bill for an act creating a capital murder offense by establishing the penalty of death for murder in the first degree of a peace officer on duty, and…
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SR 111
IA · —
A resolution recognizing the 150th anniversary of the establishment of the University of Northern Iowa.