ADU rules in Oneida County, NY — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
ADU rules vary by Oneida County town zoning. NY has no statewide ADU mandate (S5172A did not pass). Common allowance is an attached accessory apartment for owner-occupied single-family homes with minimum lot size. Utica allows accessory apartments in R-1 by special permit.
Utica Zoning §2-28-18 permits accessory apartments in R-1 and R-2 zones by special permit from the Zoning Board of Appeals, requiring: owner-occupied primary unit, minimum 7,500 sq ft lot, secondary unit 500-800 sq ft, one additional off-street parking space, separate entrance acceptable. Rome Code §28-18 allows in-law suites without special permit if attached and sharing utilities. Town of New Hartford §118-16 requires site plan review by Planning Board. NY 2020 Uniform Code (19 NYCRR 1220) applies to construction; permanent foundation, 7-ft minimum ceiling, egress window in bedroom. Oneida County Health Department approval required if existing septic/well is affected; typically need capacity increase. ADUs may not be sold separately (no condo conversion).
Unpermitted ADU: $500-$2,000 plus stop-occupancy. Septic upgrade required: Oneida County Health Dept abatement order.
Oneida County, NY
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Oneida County, NY
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See how Oneida County's adu rules rules stack up against other locations.
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