The SF-20, single-family residential-20, district is intended to provide for development of primarily low-density detached, single-family residences on lot/tracts of not less than 20,000 square feet in size, churches, schools and public parks in logical neighborhood units. Areas zoned for the SF-20 district shall have, or shall make provision for, city water and sewer services. Areas zoned for the SF-20 district shall be designed to adequately accommodate storm drainage; they shall have paved concrete streets with logical and efficient vehicular circulation patterns which discourage non-local traffic; they shall be properly buffered from nonresidential uses; and they shall be protected from pollution and undesirable environmental and noise impacts.
(2006 Code, sec. 86-291; Ordinance 04-05-610, sec. 16.1, adopted 5/17/04)
Those uses listed for the SF-20 district in article 30.06 of this chapter as “P” or “S” are authorized uses permitted by right or specially permitted uses, respectively. Special uses must be approved utilizing procedures set forth in article 30.05 of this chapter.
(2006 Code, sec. 86-292; Ordinance 04-05-610, sec. 16.2, adopted 5/17/04)
Maximum height regulations for the SF-20 district shall be as follows:
(1) 
Two and one-half stories, or 35 feet for the main building/house.
(2) 
Accessory buildings, see chapter 30, section 30.07.072.
(3) 
Other requirements, see chapter 26, article 26.06.
(2006 Code, sec. 86-293; Ordinance 04-05-610, sec. 16.3, adopted 5/17/04; Ordinance 17-09-1059 adopted 9/5/17)
(a) 
Size of lot/tract.
The size of lots/tracts in the SF-20 district shall be as follows:
(1) 
Minimum lot/tract area: 20,000 square feet.
(2) 
Minimum lot/tract width: 115 feet.
(3) 
Minimum lot/tract depth: 130 feet.
(b) 
Size of yards.
The size of yards in the SF-20 district shall be as follows:
(1) 
Minimum front yard: 40 feet.
(2) 
Minimum side yard: 11 feet for an interior side yard; 15 feet from a street right-of-way line for a corner lot/tract on a residential or collector street; 20 feet for a corner lot/tract on an arterial street; 40 feet from a street right-of-way line for a key corner lot/tract.
(3) 
Minimum rear yard: 25 feet for the main building.
(c) 
Maximum lot/tract coverage.
The maximum lot/tract coverage in the SF-20 district shall be 35 percent including main buildings and accessory buildings.
(d) 
Parking regulations.
Parking regulations for the SF-20 district shall be as follows:
(1) 
Single-family dwelling unit: A minimum of two attached and enclosed parking spaces behind the front building line on the same lot/tract as the main structure, plus two additional parking spaces on a paved driveway (all concrete or a similar paved surface such as turf pavers, brick pavers).
(2) 
Other: See article 30.07, division 2 of this chapter regarding off-street parking and for the SF-20 district loading regulations.
(e) 
Minimum floor area per dwelling unit.
The minimum floor area per dwelling unit in the SF-20 district shall be 2,400 square feet.
(f) 
Minimum exterior construction standards.
See chapter 26, article 26.06 for exterior construction standards in the SF-20 district.
(2006 Code, sec. 86-294; Ordinance 04-05-610, sec. 16.4, adopted 5/17/04)
(a) 
Recreational vehicles, travel trailers, mobile homes or motor homes.
Recreational vehicles, travel trailers or motor homes may not be used for on-site dwelling purposes in the SF-20 district.
(b) 
Open storage.
Open storage is prohibited (except for materials for the resident’s personal use or consumption such as firewood, garden materials, etc., which cannot be stored in any required setback and which shall be screened from view of public streets and neighboring properties).
(c) 
Setbacks from garages or carports.
Single-family homes with side-entry garages in the SF-20 district where lot/tract frontage is only to one street (not a corner lot/tract) shall have a minimum of 24 feet from the door face of the garage or carport to the side property line with a paved six-foot hammerhead turnaround provided for on-site maneuvering of vehicles. The minimum setback from any garage door to a street or alley right-of-way line in the SF-20 district shall also be 24 feet (24 feet or build line).
(d) 
Enclosure or conversion of garage space.
The elimination of a garage space by enclosing or converting any portion of the garage space with a stationary building wall shall be prohibited in the SF-20 district unless another garage of the same size is built on the lot/tract within the proper setbacks, not exceeding the maximum lot/tract coverage, etc.
(e) 
Swimming pools.
For swimming pools in the SF-20 district see chapter 24, article 24.07.
(f) 
Site plan approval for nonresidential use; service standards.
Site plan approval shall be required for any authorized nonresidential use in the SF-20 district. Any nonresidential land use which may be permitted in the SF-20 district shall conform to the NS neighborhood service district standards with respect to building setbacks, landscaping, exterior building construction, screening requirements, lighting, signage, etc.
(g) 
Other regulations.
Other regulations for the SF-20 district shall be established by articles 30.06 and 30.07 of this chapter and chapter 26.
(2006 Code, sec. 86-295; Ordinance 04-05-610, sec. 16.5, adopted 5/17/04; Ordinance 15-06-994, sec. 10, adopted 6/2/15)