Section 126.   R-8.5 Single-family Residential Zone.

(1) Short title.   This zone shall be known as the R-8.5 single-family residential zone of the City of Hillsboro .

(2) Purpose.   To provide and protect residential land for families who desire to live in an environment of single-family dwellings who do not want or have no need for the smaller lots as provided in the R-7 residential zone or the larger lots as provided in the R-10 residential zone.

(3) Uses permitted outright.

(a) A use permitted outright in an R-10 zone.   (Amended by Ord. No. 3029/8-79.)

(b) Agricultural use of land, such as truck gardening, orchards and horticulture, but excluding commercial buildings or structures.   The raising of animals other than normal household pets is allowable, but only in compliance with Section 131.   (Amended by Ord. No. 3294/1 -82.)

(4) Conditional uses permitted.

(a) Church.

(b) Governmental structure or use including public park, playground, recreation building, fire station, library or museum.  

(c) School: primary, elementary, junior or senior high, college or university.   (Amended by Ord. No. 5168/7-02.)

(d) Utility substation or pumping station with no equipment storage.

(e) Radio transmission facilities.   (Added by Ord. No. 3194/12-80.)

(f) Residential recreation center.   (Added by Ord. No. 3599/2-86.)

(g) Child Care Facility.   (Added by Ord. No. 5168/7-02.)

(5)   Minimum and Maximum Densities.  In the R-8.5 zone, the minimum density standard is 4 dwelling units per net residential acre.  The maximum density standard is 5 dwelling units per net residential acre.  (Added by Ord. No. 4902/5-00; Amended by Ord. No. 5778/8-07.)

(6) Lot size. In an R-8.5 zone the lot size shall be as follows:

(a) The minimum average lot area shall be 8,500 sq. ft.  However, in a newly platted or replatted subdivision of eight lots or more lot areas and widths shall be varied as specified in the Lot Dimension and Setback Variation Requirements adopted under Subdivision Ordinance Article VII. (Amended by Ord. No. 3029/8-79 and 5778/8-07.)

(b)Minimum lot widths at the front building line:  Sixty-five (65) feet average.

(c) Minimum lot depths:  Ninety (90) feet average.

(d) Notwithstanding the dimensional and area standards set forth in items (a) through (c) above, approved duplex lots may be split in order to allow for dual ownership, provided that the parent parcel meets or exceeds the minimum average lot areas and widths specified in Subsections 1 and 2.  The dwelling units shall have a common wall at the zero lot line.  (Added by Ord. No. 3395/10-83; Amended by Ord. No. 5778/8-07.)

(Subsection 6 Amended by Ord. No. 5778/8-07.)

(7) Setback requirements .   Except as provided in Sections 88 and 93, in an R-8.5 zone the yards shall be as follows:

(a) Minimum front yard:  Twenty (20) feet, except as provided in Subsection (g) of this Section.

(b)Minimum rear yard:  Twenty (20) feet

(c) Minimum side yard:  Six (6) feet, except as provided in Subsection (g) of this Section.

(d) Minimum interior yards on corner lots:  Eight (8) feet, except as provided in Subsection (g) of this Section.

(e) Minimum front yards on corner lots:  Twenty (20), except as provided in Subsection (g) of this Section.

(f) All duplex lots shall meet the setback requirements established in items (a) through (e) above, except that the setback for the zero lot line shall be waived.  (Added by Ord. No. 3395/10-83.)

(g)  In a newly platted or replatted subdivision of eight lots or more, front yards shall be varied, and side yards may be varied, as specified in the Lot Dimension and Setback Variation Requirements adopted under Subdivision Ordinance Article VII.  (Added by Ord. No. 5778/8-07.)

(Subsection 7 Amended by Ord. No. 5778/8-07.)

(8) Signs.  (Deleted by Ord. No. 5676/10-06. See Municipal Code Chapter 11.32.)

(9) Maximum Height of Buildings.

(a) Maximum height of a building shall be two and one-half stories (2½) or thirty-five (35) feet, whichever is less.

(10) Lot Coverage.

(a) In an R-8.5 zone buildings shall not occupy more than 45 percent of the area of an interior lot nor 50 percent of a corner lot.   (Amended by Ord. No. 4902/5-00.)

(Section 126 Added by Ord. No. 2398/12-70.)