S.1353

Adds to existing law to establish provisions regarding regulation of twin homes and duplexes.

Chamber Passed·3/20/26

Idaho S1353 amends housing regulations to allow twin homes and duplexes in areas zoned for single-family dwellings.

Idaho S1353 amends existing law to establish provisions regarding the regulation of twin homes and duplexes. The bill mandates that cities with populations over 5,000 must permit the development of twin homes and duplexes in residential zones where single-family dwellings are allowed. It prohibits cities from imposing minimum lot size requirements that would effectively prohibit these housing types, requiring more than one off-street parking space per dwelling unit, or imposing higher impact or utility connection fees on twin homes or duplexes compared to single-family dwellings.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Last
Passed the Senate · 23–12 · Mar 20
Current
Business Committee
Next
House floor vote

Sponsors

0
0
Democratic CaucusRepublican Caucus

Roll Call Votes

Senate Third Reading

23 Yea

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12 Nay

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Calendar

Mar 31

11:00 AM

House Business Committee

Mar 27

12:00 PM

House Business Committee

History

Mar 23

House

Received from the Senate, Filed for First Reading

Mar 23

House

Read First Time, Referred to Business

Mar 20

Senate

Read third time in full as amended -- PASSED 23-12-0