H.B. 1630 Summary

• Requires counties to allow at least two missing middle housing units (dwelling units with kitchen and bathroom) on residential lots within state urban land use districts, with exceptions for special management areas and high-risk natural hazard zones.

• Prohibits counties from adopting owner-occupancy requirements for accessory dwelling units, bans on long-term rentals, or setback requirements more restrictive than the principal unit in urban districts.

• Prohibits private covenants adopted after the effective date from limiting residential units below the amount allowed by law or restricting long-term rental of residential units in urban districts.

• Requires county land use directors to review and approve subdivision, consolidation, and resubdivision applications for residentially-zoned parcels of at least 2,000 square feet in urban districts, subject to specified environmental and historical protection exemptions.

• Amends impact fee calculations to include square footage as a factor, allowing deductions for existing structures being converted and permitting water/sewage boards to calculate fees based on fixture count instead.

• Effective January 1, 2026.