The regulations set forth in this Article or set forth elsewhere in this Appendix A when referred to in this Article, are the district regulations for the R-4 Single-Family Residential District. The R-4 District is designed to provide for medium density single-family detached development in Northfield and to protect such residential areas from the encroachment of incompatible uses. The locations of R-4 zoned areas shall be in general accord with the Comprehensive Plan. (Ord. 03-1155, 3-18-2003)

1. Permitted Uses.
   
   Affordable housing development. Community residence (Classes I and II). Daycare (home). Home occupation (Class I). Municipal use. Parks/playgrounds (including Northfield Park District offices). Religious institution. School (public or private K-12). Single-family dwelling.
   Small wireless facilities in right of way.
   
2. Special Uses. (See Article XVI of this Appendix A for standards.)
   Community residence (Class III). Daycare (center). Garage with greater than 600 square feet of floor area (residential). Home occupation (Class II). Other public uses/structures. Planned unit development. Preschool. Recreation center in existence as of January 1, 2003. Seasonal/temporary uses (see Article XIX of this Appendix A).
   Small wireless facilities outside right of way.
   (Ord. 03-1155, 3-18-2003)
   

The minimum lot area for lots in the R-4 District is seven thousand five hundred (7,500) square feet, except:

Daycare center: 25,000
Park or playground: None
Planned unit development (residential): 3 acres
Private or public school: 25,000
Recreation center: 25,000

(Ord. 03-1155, 3-18-2003)

(Ord. 03-1155, 3-18-2003)

All planned unit developments are subject to the conditions and review as set forth in Article XVII of this Appendix A. All special uses are subject to the conditions and review as set forth in Article XVI of this Appendix A. All nonresidential developments not subject to planned unit development or special use review procedures shall be subject to Architectural Commission site plan review as set forth in Chapter 4 of this Code. (Ord. 03-1155, 3-18-2003)

Proposed projects that represent a significant departure from the Comprehensive Plan may elect to submit for a preliminary project review, which is entirely elective. See Appendix D, Article I, "Fees", of this Code for the associated fee. (Ord. 09-1436, 12-7-2009)