37-418: HOME OCCUPATIONS AND PRINCIPAL ARTERIAL OFFICE USE:

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B. Principal arterial office use requirements:

1. The principal arterial office use shall be limited to business, governmental, medical and professional office uses only. Wholesale or retail sales, repair activities, warehousing, material fabrication, or any other industrial activity shall be prohibited.

2. The principal arterial office use may be conducted in any dwelling unit within the R-1, R- 2, R-3 and R-4 single-family residential zoning districts subject to the following qualifications:

a. The property which contains the principal arterial office use, must front on a designated principal arterial roadway as defined by the year 2005 DuPage County transportation plan. These roadways include but are not limited to Route 59, county Farm Road, Main Street - Wheaton between () and (), Naperville-Wheaton Road, Naper Boulevard, south of Illinois Route 38 (Roosevelt Road), (Kingery Highway), (Irving Park Road), U.S. Route 20 (), Illinois Route 64 (North Avenue), Illinois Route 38 (Roosevelt Road), 22nd Street from to (Butterfield Road), Illinois Route 56 (Butterfield Road) from 22nd Street west to the DuPage-Kane county line, U.S. Route 34 () from DuPage-Cook county line to North Aurora Avenue and from 75th Street to the DuPage-Kane county line, North Aurora Avenue from U.S. Route 34 (Ogden Avenue) to , and 75th Street from U.S. Route 34 (Ogden Avenue) to Illinois Route 83, from U.S. Route 20 (Lake Street) to the DuPage-Kane County line.

b. The vehicular access to the property is exclusively from the principal arterial roadway.

c. The property is not defined as a reserve lot.

d. The parcel is not part of a planned unit development.

e. The principal building is oriented toward the primary arterial roadway.

f. The principal building for which the principal arterial office will be located must have been constructed before January 1, 1999.

3. The principal arterial office use shall be subject to all of the following site requirements.

a. The principal buildings or structures in which the principal arterial office is located shall be subject to the front, side and rear setbacks of the applicable single-family residential zoning district. b. The principal arterial office use shall be conducted completely within the principal building. c. The principal arterial office use may be open to the public Monday through Saturday no earlier than eight o'clock (8:00) A.M. and no later than seven o'clock (7:00) P.M. d. Principal arterial office uses must be owned and operated exclusively by the owner of the property. Leasing of office space to second parties shall be prohibited. e. Any residence with a principal arterial office use on the site must be occupied by the owner of the property. f. All building facades of the principal building must maintain the existing single-family residential character of the structure. The exterior of the single-family residence may be altered or rehabilitated provided the alteration is a nonstructural repair of the building including the replacement of the roof covering, veneering or outer walls and incidental repairs which do not extend or intensify the existing dimensions of the building. The building however, shall not be enlarged, expanded, or extended. Repairs and alterations may be made to the exterior or interior of the building to return the building to a safe condition in accordance with the county codes. g. Existing landscaping on the site shall be preserved and maintained. h. Excluding provisions as outlined in article XII, "Off Street Parking And Loading Requirements", of this chapter, storage of any materials related to the principal arterial office use outside of the principal structure is prohibited. i. Parking requirements shall be based upon the gross floor area of the principal building and shall be determined separately for that portion of the building used for the principal arterial office use and for that portion of the building used for the dwelling. All other parking and loading requirements for the principal arterial office use shall be provided per the minimum requirements of article XII, "Off Street Parking And Loading Requirements", of this chapter, Principal Arterial Office Use. The minimum and maximum parking space requirement is 3.3 spaces per thousand feet of office space. j. The principal arterial office use shall be subject to landscape review. All driveways, parking areas and refuse containers shall require a full landscape screen and the remainder of the property shall maintain at least a partial landscape screen around the structures on the property used for the principal arterial office use as well as any additional landscape requirements within the respective single-family residential zoning district. k. Signage shall be limited to those permitted in the applicable single-family residential zoning district in accordance with article XI, "Sign Requirements", of this chapter as a single-family residential use in a residential district. l. The principal arterial office use shall meet all performance standard requirements including:

(1) The office use shall not produce noise, obnoxious odors, toxic material, vibrations, glare, fumes, nuisance, or electrical interference detectable to normal sensory perception outside the structure.

(2) Mechanical equipment which emits an unreasonable odor, noise radio interference or other nuisance is prohibited.

(3) On site storage of dangerous substances is prohibited.

m. The building and use shall meet all DuPage County building codes.

4. Property owners meeting the aforementioned requirements and qualifications and intending to conduct a principal arterial office use on their premises shall require a building permit form the DuPage County department of economic development and planning. (2005 Code)