The purpose of this district is to provide for medium-density single-family development and to provide multifamily housing opportunities in planned residential developments in areas served by public sewers and other public services and to provide for compatible public, semipublic and accessory uses as conditional uses or uses by special exception.
In the R-3 Limited Residential District, only the following uses are authorized:
A. 
Permitted uses.
(1) 
Principal uses.
(a) 
Essential services.
(b) 
Forestry, subject to § 180-77.
(c) 
Passive recreation.
(d) 
Public buildings.
(e) 
Single-family dwellings.
(2) 
Accessory uses.
(a) 
Fences, subject to § 180-70.
(b) 
The keeping of domestic pets.
(c) 
No-impact home-based business, subject to § 180-78.
(d) 
Off-street parking and loading, subject to Article XIII.
(e) 
Private garages and storage buildings, subject to § 180-70.
(f) 
Private residential swimming pools or sports courts, subject to § 180-70.
(g) 
Signs, subject to Article XIV.
(h) 
Temporary construction trailer, model home or sales office, subject to § 180-74.
(i) 
Other accessory uses customarily incidental to and on the same lot with any permitted use, conditional use or use by special exception authorized in this district.
B. 
Conditional uses.
(1) 
Principal uses.
(a) 
Active recreation, low-impact, subject to § 180-66A.
(b) 
Assisted-living facility, subject to § 180-66C.
(c) 
Community club or community swimming pool, subject to § 180-66L.
(d) 
Fire and emergency medical services, subject to § 180-66R.
(e) 
Independent living facility, subject to § 180-66C.
(f) 
Life-care community, subject to § 180-66Y.
(g) 
Nursing home, subject to § 180-66V.
(h) 
Oil and gas operations and impoundments used exclusively for oil and gas operations, subject to § 180-66EE.
[Amended 1-22-2013 by Ord. No. 440]
(i) 
Personal-care boarding home, subject to § 180-66S.
(j) 
Private club, subject to § 180-66GG.
(2) 
Accessory uses: none.
C. 
Uses by special exception.
(1) 
Principal uses.
(a) 
Churches, subject to § 180-66I.
(b) 
Communications antenna mounted on an existing building or on an existing public utility storage or transmission structure, subject to § 180-66J.
(c) 
Day-care center or preschool facility in a church or school, subject to § 180-66O.
(d) 
Public utility building or structure, subject to § 180-66JJ.
(e) 
Schools (public or private), subject to § 180-66I.
(2) 
Accessory uses.
(a) 
Family day-care home, subject to § 180-66Q.
(b) 
Home occupation, subject to § 180-66U.
(c) 
Personal wind energy system.
[Added 11-24-2009 by Ord. No. 423]
(d) 
Accessory structures in excess of 15 feet in height, subject to § 180-66SS.
[Added 6-11-2013 by Ord. No. 442]
In the R-3 Limited Residential District, all uses shall be subject to the following regulations, except as they may be modified by Article X governing planned residential developments or by the express standards and criteria for the specific conditional uses and uses by special exception contained in Article XI:
A. 
Minimum lot area:
(1) 
Single-family dwelling:
(a) 
Without public sewers and public water: one acre (43,560 square feet).
(b) 
With public sewers and on-site water: 0.57 acre (25,000 square feet).
(c) 
With public sewers and public water: 0.46 acre (20,000 square feet).
(2) 
All other principal uses: one acre (43,560 square feet).
B. 
Minimum lot width:
(1) 
Single-family dwelling: 100 feet.
(2) 
All other principal structures: 150 feet.
C. 
Maximum lot coverage: 30%.
D. 
Minimum front yard: 50 feet.
E. 
Minimum rear yard:
(1) 
Principal structures: 50 feet.
(2) 
Accessory structures: see § 180-70C.
F. 
Minimum side yard:
(1) 
Single-family dwellings: 20 feet.
(2) 
All other principal structures: 50 feet.
(3) 
Accessory structures: See § 180-70C.
G. 
Special yard requirements: See § 180-70.
H. 
Permitted projections into required yards: See § 180-71.
I. 
Maximum height:
(1) 
All principal structures:
(a) 
Single-family dwellings: 2 1/2 stories, but no more than 35 feet.
(b) 
All others: three stories, but no more than 45 feet.
(2) 
All accessory structures: one story, but no more than 15 feet.
J. 
Height exceptions: See § 180-72.