New Castle County requires building permits for carports. UDC setbacks apply: typically 5 feet side/rear in residential zones. Maximum height 15 feet for detached carports. Lot coverage caps vary by zoning district.
New Castle County UDC Article 4 classifies carports as accessory structures requiring a building permit regardless of size. In most residential zones (NC5, NC6.5, NC10), detached carports must be set back at least 5 feet from side and rear property lines and meet the front setback of the principal dwelling. Attached carports follow principal structure setbacks. Maximum height is 15 feet for detached and matching the principal building for attached. Carports count toward maximum lot coverage, which typically ranges from 20% to 40% depending on zoning district. The structure must be open on at least two sides to qualify as a carport; otherwise it is classified as a garage with stricter requirements. Materials must meet 2018 IRC wind load (Delaware design wind speed 115 mph) and snow load (25 psf ground). Prefabricated metal carport kits require the same permitting as site-built. HOA restrictions may apply in platted communities.
Unpermitted carport: stop-work order, doubled permit fees, structural review required; removal if non-compliant. Setback or lot coverage violation: relocation or variance required. Civil penalties $200 to $1,000.
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Side-by-side rule comparisons with other cities in New Castle County.
See how Newark's carport rules rules stack up against other locations.
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