23. 21-420 ZTA 201900006 Rio29 Form-Based Code and ZMA 202100002 Rio29 Form-Based Code Overlay District (Sign #29, 35, 36, and 45). To receive comments on a proposed ordinance to amend the Albemarle County Code to establish an optional form-based code overlay district in the Rio29 Small Area Plan Area, and a proposed amendment to the zoning map under Albemarle County Code § 18-1.7, Zoning Map, by adding one or more maps delineating the boundaries of the Rio29 Form-Based Code Overlay District and depicting the Core Character Area, the Flex Character Area, and the Edge Character Area therein. This overlay district is proposed for the area within a half-mile radius of the intersection of Rio Road and U.S. Route 29, except for (a) the Berkeley, Four Seasons, Woodbrook, Greenfields, Northfields, and Raintree subdivisions, (b) the Oakleigh NMD, and (c) Tax Parcels 04500000002600, 045000000026A1, 045000000026A2, 04500000002700, 045000000027A0, 045000000027B0, 045000000029A0, 045000000093A0, 045000000093D0, 04500000009500, 045000000095A0, 04500000010800, 06100000013400, 061Z0030000600, 061Z0030000700, and 061Z0030000800. Among other revisions, the proposed ordinance would: Add § 18-20C - Rio29 Form-Based Code to encourage development consistent with the Rio29 Small Area Plan vision, establishing compact development patterns of massing and density at an urban scale with a mixture of uses within close proximity to each other; permit property owners to opt into the Form-Based Code regulations or to retain their existing zoning; establish three Character Areas with different uses and forms; create street standards, building standards, parking standards, architectural design standards, and civic space standards to achieve the goals of the Rio29 Small Area Plan vision; establish affordable housing requirements for residential developments of 5 or more residential dwelling units developed under the Rio29 Form-Based Code; and permit increased building heights in exchange for additional affordable housing units. Amend § 18-30.6.4 to allow structures developed under the Rio29 Form-Based Code to qualify for a county-wide certificate of appropriateness.