305 Chapel Avenue, Claymont 19703. Area variances to maintain a rear detached garage with a 35 percent rear yard coverage 0 feet from the side and rear property lines (3-foot setback for an accessory structure and no structure shall cover more than 30 percent of the rear yard setback). Jeffrey Stape. NC6.5 Zoning. CD 8. (App. 2013-0268-A) TP 06-085.00-086.