Montana 2025 Regular Session

Montana Senate Bill SB266

Introduced
2/4/25  
Refer
2/6/25  
Engrossed
3/3/25  
Refer
3/4/25  

Caption

Revise municipal zoning to allow for triplex and fourplex housing

Impact

The passage of SB 266 would significantly affect local zoning laws by effectively mandating municipalities to allow triplexes and fourplexes where single-family homes are permitted. This legislative change encourages urban densification and the introduction of multifamily units, which could alleviate housing shortages in many cities. Particularly in densely populated regions, the bill urges cities to rethink their housing strategies, promoting higher-density living arrangements while still addressing rules around public health, safety, and welfare concerns. It could also lead to a reduction in single-family zoning practices that have traditionally constrained urban growth.

Summary

Senate Bill 266 seeks to revise existing zoning laws in the state by requiring certain cities to permit the use of triplex and fourplex housing. The legislation aims to ensure that zoning regulations for these types of housing are not more stringent than those for single-family residences. By facilitating the development of multifamily housing options, the bill addresses growing concerns around housing availability and affordability in urban areas, especially in cities with populations exceeding 5,000. Moreover, the bill sets a foundation for local governments to create a more diversified residential landscape that accommodates various family structures and housing needs.

Sentiment

The sentiment surrounding SB 266 appears to be divided among stakeholders. Proponents, including housing advocates and urban planners, view the bill as a necessary step toward addressing housing shortages and promoting more inclusive communities. They argue that this shift will enable cities to better accommodate their growing populations. Conversely, opposition may arise from local governments worried about the implications for existing neighborhoods, fearing that increased density could lead to infrastructure strain, changes in community character, and potential increases in property taxes.

Contention

While SB 266 aims to modernize zoning laws, it is not without contention. One of the primary concerns is the balance between local control and state mandates, as some municipalities might resist changes that they feel infringe upon their governance. Additionally, there are questions about the practical implications of integrating higher-density housing into existing neighborhoods and the adequacy of infrastructure, public services, and environmental impacts. The bill ultimately sparks broader discussions on how communities can evolve to meet housing demands while maintaining their unique characteristics.

Companion Bills

No companion bills found.

Previously Filed As

MT SB323

Allow for duplex, triplex, and fourplex housing in city zoning

MT SB245

Revise municipal zoning to allow multifamily and mixed use development

MT SB379

Revise zoning laws

MT SB528

Revise zoning laws related to ADUs

MT HB337

Revise municipal zoning laws to prohibit certain minimum lot sizes

MT HB553

Housing for Montana Families Act

MT SB407

Revise municipal zoning laws

MT HB246

Allow for the zoning of tiny dwelling units

MT SB382

Create the Montana Land Use Planning Act

MT SB285

Revise subdivision sanitation laws

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