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2.5 Would an accessory dwelling need a building permit? Yes. Before receiving a building permit to establish an accessory dwelling, the applicant must record a ADD permit which requires the owner to occupying one of the dwellings on the lot. An ADD must comply with applicable building, fire, and health and safety codes. An ADD cannot be occupied until a Certificate of Occupancy is issued. 2.6 Does an ADU have to connect to water and sewer? Yes. An accessory dwelling unit must connect to public sewer and water. 2.7 What is the maximum area allowed for an accessory dwelling within the primary dwelling? The total gross floor area of an accessory dwelling must not exceed forty percent of the area of the primary dwelling's living area, excluding uninhabitable floor area, the garage or other outbuildings. If the accessory dwelling unit is a separate building on the site, in addition to the forty percent size requirement, the ADD along with all other impervious surfaces cannot exceed thirty percent of the site. 2.8 Are there any restrictions on building heights? The building height for an ADD is limited to two stories or 30 ft either in a detached or attached accessory dwelling unit. 2.9 Can an accessory dwelling unit be created if a Home Occupation activity is also present? An accessory dwelling can be created with or adjacent to an operating home occupation but only with site plan approvals because it may complicate noise, odor, parking and traffic issues. The property owner could operate the home occupation while still renting out the attached ADD. 2.10 What about parking spaces? On-site paved parking is required for an accessory dwelling. Garages are not required, but maximum impervious surface requirements do apply. Many smaller lots may not be have the capacity for an ADD. 2.11 Are there design guidelines that are applicable to an ADU? The accessory dwelling must follow existing design guidelines to conform to the existing primary dwelling unit, including exterior materials, trim on edges of elements, windows and, pediment and dormers. Plain concrete, concrete block, corrugated metal, or plywood are prohibited if they are not the predominant existing exterior finish material on the primary dwelling. 2.12 What is the application process? A standard public hearing and approval of a conditional use permit is required in most communities. One condition could be that the owner is occupying one of the dwellings units on the lot. The conditional use permit and the conditions are recorded with the property at the County Recorder's Office. Report by: Dennis Welsch 651-490-2232 Attachments: City of Shoreview Example. Draft City of Roseville Ordinance \\Victoria\CommDev\Planning Files\3400-3449\3439 _ Cityof Roseville, Access Hous'g\RPCA-Accessory Dwellings Ord (050703).doc 3