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Accessory Dwelling Units Updating the requirements associated with Accessory Dwelling Units (ADUs) could increase opportunities for housing units dispersed throughout existing neighborhoods. Currently, about five ADU permits are issued in Whitefish each year. Conditional use permits (CUPs) are required, which take two to three months. Roughly 60% of ADU permits are issued to non-local owners. The maximum size is 600 sq. ft., and the unit must be on one level. Many residential lots are large with room for ADUs. Setbacks and lot coverage limits from underlying zoning apply. ADUs can only be rented long term if primary residence is owner occupied. A second home owner cannot rent out their ADUs to local caretakers or others. ADUs can be used as Short Term Rentals (STRs) in certain districts. Implementation Recommendations • Allow ADUs by right in R-1, 2, 3 and 4 zones if deed restricted for occupancy by local residents. Continue to require CUPs for ADUs that are not deed restricted. • Allow existing units to be rented long term, lifting the limitation allowing long term rental only when the primary unit is a primary residence. • Eliminate the single-level requirement and allow detached units. • Encourage new subdivisions to incorporate ADUs that are deed restricted for community residents through revision to subdivision regulations. Reimburse impact fees if a revenue source can be identified. Consider options for providing property management services to encourage property owners to rent their ADUs long term. • Create a compliance monitoring and complaint resolution process. Development Regulations 8