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Bill

Bill

HB 1010

Authorizing accessory dwelling units in rural areas.

2025-2026 Regular Session Introduced by Andrew Barkis and 11 co-sponsors

HB 1010 permits accessory dwelling units in rural Washington zones to increase housing supply and affordability while allowing homeowners additional income opportunities.

First reading, referred to Housing.
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Bill Summary · HB 1010

Legislative bill overview

HB 1010 authorizes the construction and use of accessory dwelling units (ADUs) in rural areas of Washington State. ADUs are smaller, independent housing units on the same property as a primary residence, such as guest houses, basement apartments, or converted barns. The bill removes or modifies restrictions that currently prevent or limit ADU development in rural zones.

Why is this important

Rural Washington faces housing shortages and affordability challenges similar to urban areas, yet zoning restrictions often prohibit ADUs that could increase housing supply without requiring new land development. Allowing ADUs can help rural homeowners generate rental income, enable multigenerational living, and provide more affordable housing options while preserving rural character. This addresses workforce housing needs in agriculture, forestry, and tourism-dependent rural communities.

Potential points of contention

  • Local control concerns: Rural counties and cities may resist state-level mandates that override their zoning authority and land-use planning preferences
  • Infrastructure capacity: Rural areas often lack centralized sewage, water, and road systems; ADUs could strain limited municipal services or require property owners to install expensive individual systems
  • Agricultural land preservation: Some rural stakeholders worry ADUs could convert productive farmland to residential use or fragment agricultural properties, undermining long-term farming viability

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

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