Tiny home rules in Cary, NC — covering tiny houses on wheels (THOWs), park model RVs, and tiny home on foundation builds — determine where they are legal and how they get permitted.
Wake County permits 'tiny homes' as primary dwellings only if they comply with NC Residential Code Appendix Q (tiny houses), connect to approved water and septic/sewer, and meet UDO minimum dwelling-unit standards. Tiny homes on wheels (THOW) are classified as RVs under NCGS §20-4.01.
Under NC Residential Code Appendix Q, a 'tiny house' is a dwelling 400 sq ft or less. To be a permitted primary residence in unincorporated Wake County, it must be built on a permanent foundation, connected to public water/sewer or an approved well/septic, meet NC Residential Code energy and structural minimums, and satisfy zoning's minimum dwelling-unit floor area. Wake County's R-30, R-40, R-80 zones have no explicit minimum floor area but the UDO requires a connected septic system, which often becomes the binding constraint. Tiny Homes on Wheels (THOW) are treated as RVs and cannot serve as primary residences in residential zones — they're permitted only in licensed campgrounds for transient use.
Tiny home occupied without certificate of occupancy: civil penalty under UDO Art. 22 + occupancy order. THOW used as residence: zoning violation + possible NCGS §160D-403 enforcement.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Cary, NC
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Side-by-side rule comparisons with other cities in Wake County.
See how other cities in Wake County handle tiny homes.
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