WV HB3053

Requires all West Virginia municipalities to allow at least one accessory dwelling unit (ADU) by right on any lot containing a single-family dwelling, with ADUs limited to 75% of the primary dwelling's floor area or 1,000 square feet, whichever is less

Prohibits municipalities from imposing owner-occupancy requirements, additional parking mandates, impact fees, design matching requirements, or more restrictive setbacks and lot sizes for ADUs than apply to the primary dwelling

Allows municipalities to charge a one-time application fee of up to $250 per ADU, plus standard building permit fees, and permits regulation of short-term rentals

Establishes January 1, 2026 deadline for municipalities to adopt compliant ADU regulations; non-compliant regulations become void after this date

Requires zoning regulations to allow ADUs on at least 35% of residentially-zoned lots and mandates equal treatment of manufactured housing with conventional housing in all zoning districts