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HB 6097

AN ACT RELATING TO STATE AFFAIRS AND GOVERNMENT -- RHODE ISLAND COMMERCE CORPORATION -- QUALIFIED DATA CENTERS LOCATION INCENTIVE

2025 Regular Session Introduced by Jackie Baginski and 1 co-sponsor

HB 6097 requires duplexes to be allowed where single-family homes are in certain Michigan localities, using the same permit path as single-family homes.

05/06/2025 Committee recommended measure be held for further study
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Bill Summary · HB 6097

Summary — HB 6097 (Substitute H‑1)

Status: Placed on third reading (substitute H‑1 adopted 12/13/2024)
Introduced: Nov 13, 2024 (sponsor: Rep. Kristian Grant) — Effective date if enacted: 180 days after enactment

Main purpose

HB 6097 amends the Michigan Zoning Enabling Act to require that residential duplexes be permitted in the same residential districts where single‑family homes are permitted, in specified local jurisdictions. The intent is to expand the locations where duplexes can be built to increase housing supply and affordable home options.

Key provisions

  • Adds section 517 to the Michigan Zoning Enabling Act (MCL 125.3101 et seq.).
  • Requires that a residential duplex be a permitted use in any zoning district where a single‑family residence is a permitted use.
  • Under the adopted substitute (H‑1), a duplex must follow the same permitting procedures that apply to a single‑family residence (rather than being subject to additional or separate special/conditional use processes).
  • Geographic scope: applies only to “local units” (explicitly excluding townships in H‑1) that are located wholly or partly within, or adjacent to, a metropolitan statistical area (MSA) as defined by the U.S. Office of Management and Budget (examples in Michigan include Detroit, Grand Rapids, Lansing, Ann Arbor, Kalamazoo, Flint, Traverse City, etc.).
  • Effective 180 days after the bill is enacted into law.

Who or what would be affected

  • Local units of government (cities and villages) within or adjacent to MSAs would be required to allow duplexes wherever single‑family homes are allowed; townships are excluded by the H‑1 substitute.
  • Property owners, developers, builders, and housing advocates would gain broader opportunities to build duplexes without additional conditional‑use processes.
  • Local zoning boards and planning departments would need to process duplex applications under single‑family permitting rules.
  • Neighborhoods could see incremental increases in residential density and housing types.

Fiscal and procedural notes

  • The House Fiscal Agency reports no fiscal impact on the state or local governments.
  • Substitute H‑1, which softened the original language by aligning duplex permitting with single‑family procedures and excluded townships, was adopted 12/13/2024; the bill is on third reading.

Stakeholder positions (committee record)

  • Supporters: Home Builders Association of Michigan, Michigan Realtors, Michigan Association of Planners, Abundant Housing Michigan, housing and conservation groups, chambers, and others.
  • Opponents: Michigan Municipal League, Michigan Townships Association, City of Dexter, City of Wyoming (concerns about local control, one‑size‑fits‑all approach).

This bill narrows local zoning discretion for qualifying jurisdictions by ensuring duplexes are treated like single‑family homes for use and permitting purposes in MSAs and adjacent local units (except townships under H‑1).

Compiled from official sources — confirm details with the bill’s official record.

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