The same idea in several states
County and city regulation of accessory dwelling units
Bills in 8 states whose titles and summaries closely match, earliest first.
States
8
Bills
19
Became law
3
| State | Bill | Title | Where it stands | Introduced |
|---|---|---|---|---|
| Texas | SB 673 | Relating to municipal and county regulation of accessory dwelling units; authorizing a fee. | Passed one chamber | Dec 19, 2024 |
| Texas | HB 1779 | Relating to regulation of accessory dwelling units by political subdivisions. | In committee | Jan 8, 2025 |
| Washington | HB 1345 | Detached ADU limits | Became law | Jan 16, 2025 |
| Washington | SB 5413 | Detached ADUs | In committee | Jan 22, 2025 |
| Washington | SB 5470 | Detached ADUs | In committee | Jan 23, 2025 |
| Texas | HB 2480 | Relating to municipal and county regulation of accessory dwelling units; authorizing fees. | In committee | Feb 5, 2025 |
| Iowa | SF 592 | A bill for an act relating to county and city regulation of accessory dwelling units. | Became law | Mar 10, 2025 |
| Iowa | HF 947 | A bill for an act relating to county and city regulation of accessory dwelling units. | Withdrawn | Mar 12, 2025 |
| North Carolina | SB 495 | Regulation of Accessory Dwelling Units. | In committee | Mar 25, 2025 |
| Wisconsin | SB 247 | local and private regulation of accessory dwelling units. | In committee | May 9, 2025 |
| Wisconsin | AB 365 | local and private regulation of accessory dwelling units. | In committee | Jul 17, 2025 |
| Wisconsin | AB 449 | local regulation of accessory dwelling units. | In committee | Sep 25, 2025 |
| Wisconsin | SB 473 | local regulation of accessory dwelling units. | In committee | Oct 2, 2025 |
| New Hampshire | HB 1012 | repealing accessory dwelling units and detached accessory dwelling units. | Failed | Jan 7, 2026 |
| Tennessee | HB 2031 | AN ACT to amend Tennessee Code Annotated, Title 5; Title 6; Title 7; Title 13; Title 66 and Title 68, relative to accessory dwelling units. | In committee | Jan 22, 2026 |
| Tennessee | SB 2131 | AN ACT to amend Tennessee Code Annotated, Title 5; Title 6; Title 7; Title 13; Title 66 and Title 68, relative to accessory dwelling units. | In committee | Jan 23, 2026 |
| Iowa | HF 2252 | A bill for an act relating to county and city regulation of accessory dwelling units. | Withdrawn | Jan 30, 2026 |
| Pennsylvania | HB 2186 | An Act amending Title 53 (Municipalities Generally) of the Pennsylvania Consolidated Statutes, providing for accessory dwelling units. | Passed one chamber | Feb 2, 2026 |
| Iowa | SF 2369 | A bill for an act relating to county and city regulation of accessory dwelling units. | Became law | Feb 18, 2026 |
Matched by the words of each bill's official title and summary; a match means closely similar wording, not identical text. Each state's current session.