§ 151.130  CONSERVATION RESIDENTIAL STRUCTURE TYPES.
   (A)   Detached house.  A detached house is a single family detached dwelling unit located on its own lot with private yards on all sides of the house. The following standards apply to detached houses in a conservation residential development:
 
Table 151.130(A): Detached House Conservation Residential Development Standards
Minimum Lot Size per Dwelling Unit
   Area (sq. ft.)
6,500 square feet
   Width (ft.)
50 feet
Minimum Setbacks (Feet)
   Street
25
   Interior side
8
   Rear
25
Maximum height
35 feet*
*Structures in the AG, RE, and E Zoning Districts may exceed the 35-foot building height limit by providing additional setbacks, as follows: for each one foot of additional height above 35 feet, structures shall be set back from all property lines by two feet more than the otherwise required minimum setback. Structures in the AG, RE, or E Districts shall not exceed 45 feet in height.
Notwithstanding the method prescribed by this chapter for calculating building height, in no case shall the roof peak of any single family dwelling exceed 40 feet above the mean elevation at finished grade along the front of the structure.
 
   Detached House Site Plan (Typical)
   (B)   Lot-line (detached) house.
      (1)   A lot-line house is a single family detached dwelling unit located on its own lot and set on or within five feet of the interior side lot line.
      (2)   Windows or other openings that allow for visibility into the side yard of the adjacent lot are not allowed.
      (3)   Windows that do not allow visibility into the side yard of the adjacent lot, such as a clerestory window or a translucent window, are allowed. A maintenance easement shall be required when the eaves or side walls of lot line houses are within five feet of the adjacent property line. The width of the easements shall be adequate to provide at least five feet of unobstructed space between the furthermost projection of the structure and the edge of the easement.
      (4)   The following standards apply to lot-line houses in a conservation residential development:
 
Table 151.130(B): Lot-Line House Conservation Residential Development Standards
Minimum Lot Size per Dwelling Unit
   Area (sq. ft.)
5,500 square feet
   Width (ft.)
45 feet
Minimum Setbacks (Feet)
   Street
20 [1]
   Interior side
15
   Rear
20
Maximum height
35 feet*
[1] 30 feet from all collector streets and freeways
 
   Lot Line House Site Plan (Typical)
   (C)   Village (detached) house.
      (1)   (a)   A village house is a single family detached dwelling unit located on an individual lot and characterized by very shallow front and side yards.
         (b)   The placement of dwelling units close to streets and side lot lines requires special landscaping or architectural treatment.
         (c)   The required landscaping is a defining element of a village house.
      (2)   Dimensional standards.  The following standards apply to village houses in a conservation residential development:
 
Table 151.130(C): Village House Conservation Residential Development Standards
Minimum Lot Size per Dwelling Unit
Area (sq. ft.)
4,500 square feet
Width (ft.)
45 feet
Minimum Setbacks (Feet)
   Street
15[1][2]
   Interior side
5
   Rear
20
Maximum height
35 feet
[1] 30 feet from all collector streets, arterial streets and freeways
[2] Front-entry garages shall be set back at least 20 feet from all streets.
 
   Village House Site Plan (Typical)
      (2)   Landscaping.  In addition to the landscaping requirements of § 151.167, the required street setback area on each village house lot shall be landscaped with:
 
1 canopy tree, one understory tree, and ten shrubs;
OR
1 evergreen tree, two understory trees, and ten shrubs;
AND
A porch that is roofed but not enclosed and extends at least 75% of the width of the front of the house and is at least seven feet in depth, and two understory trees;
OR
Ornamental fence/wall, 24-36 inches in height extending at least 75% of lot width + two understory trees;
OR
A hedge (shrubs 18 inches on center) extending at least 75% of the lot width + two understory trees;
OR
A berm or raised area averaging 18 inches above the average grade of the rest of the yard and covering at least 40% of the yard, and ten shrubs.
 
   (D)   Twinhouse.  A twinhouse is a type of structure consisting of two dwelling units that are attached to one another, with each unit having a completely separate entrance. Each unit within a twinhouse structure is located on its own individual lot, and the common wall between attached units creates the plane of the common property line between adjoining lots. The following standards apply to twinhouses in a conservation residential development:
 
Table 151.130(D): Twinhouse Conservation Residential Development Standards
Minimum Lot Size Per Dwelling Unit
   Area (sq. ft.)
3,200 square feet
   Width (ft.)
35 feet
Minimum Setbacks (Feet)
   Street
20 [1]
   Interior side (“non-attached” side)
10
   Rear
20
Maximum height
35 feet
[1] 30 feet from all collector streets, arterial streets, and freeways
 
   Twinhouse Site Plan (Typical)
   (E)   Duplex.  A duplex is a type of structure consisting of two dwelling units that are attached to one another, with each unit having a completely separate entrance. Both dwelling units within a duplex structure are located on the same lot. The following standards apply to duplexes in a conservation residential development:
 
Table 151.130(E): Duplex Conservation Residential Development Standards
Minimum Lot Size
   Area (sq. ft.)
6,400 square feet
   Width (ft.)
70 feet
Minimum Setbacks (Feet)
   Street
20 [1]
   Interior side (“non-attached” side)
10
   Rear
20
Maximum height
35 feet
[1] 30 feet from all collector streets, arterial streets, and freeways
 
   Duplex Site Plan
   (F)   Patio house.
      (1)   A patio house is a single family dwelling unit located on its own lot. It may be attached or detached. The lot on which a patio house sits shall be fully enclosed by a solid masonry wall located at the lot line, broken only by driveways and pedestrian access points, thus creating a private yard area between the house and the wall. All the walls shall be at least six feet in height. When a patio house is located on a lot line, that portion of the house located on the lot line may be considered as part of the required patio wall. No more than eight patio houses shall be allowed within any single attached structure.
      (2)   The following table sets out the dimensional standards for patio houses within a conservation residential development:
 
Table 151.130(F): Patio House Conservation Residential Development Standards
Minimum Lot Size per Dwelling Unit
   Area (sq. ft.)
2,700 square feet
   Width (ft.)
38 feet
Minimum Patio Size
   Area (sq. ft.)
750 square feet
   Width (Ft.)
25 feet
Minimum setback (streets and lot lines)
25 feet [1]
Maximum height
25 feet
[1] 30 feet from all collector streets, arterial streets, and freeways
 
   Patio House Site
   (G)   Atrium house.
      (1)   An atrium house is a single family attached, one-story dwelling unit, located on its own lot, with private individual access. Each dwelling unit shall have a private yard or atrium. The entire atrium area of the house shall be enclosed by the house or a wall. Walls shall be at least seven feet in height along the rear and sides of the lot and at least six feet in height along the front. No more than eight atrium houses may be attached in any single structure.
      (2)   The following standards apply to atrium houses within a conservation residential development:
 
Table 151.130(G): Atrium House Conservation Residential Development Standards
Minimum Lot Size per Dwelling Unit
   Area (sq. ft.)
2,400 square feet
   Width (ft.)
40 feet
Minimum Patio Size
   Area (sq. ft.)
500 square feet
   Width (ft.)
20 feet
Minimum street setback
10 feet [1]
Maximum height
25 feet
[1] 30 feet from all collector streets, arterial streets, and freeways
 
Atrium House Site Plan
   (H)   Townhouse.
      (1)   A townhouse is a single family dwelling unit, attached from ground to roof, with each unit having an individual outside access.
      (2)   Each unit within a townhouse development is located on an individual lot, and the common wall between attached units creates the plane of the common property line between adjoining lots.
      (3)   Rows of attached townhouses shall contain no less than three and no more than eight dwelling units.
      (4)   The following table sets out the dimensional standards for townhouses within a conservation residential development.
 
Table 151.130(H): Townhouse Conservation Residential Development Standards
Minimum Lot Size per Dwelling Unit
   Area (sq. ft.)
1,800 square feet
   Width (ft.)
20 feet
Minimum Setbacks (Feet)
   Street
20 [1]
   Rear
15
Minimum exterior side setback
10 feet
Maximum height
35 feet
[1] 30 feet from all collector streets, arterial streets, and freeways
 
   Townhouse Site Plan
   (I)   Multiplex.
      (1)   A multiplex is a structure containing at least three and no more than eight attached dwelling units.
      (2)   Each unit may take direct access to a private yard or access point, or units may share yards and access.
      (3)   The units may be arranged in a variety of configurations, including back-to-back, side-to-side, or vertically.
      (4)   Each multiplex structure shall be located on an individual lot, which shall be owned and maintained by the building or unit owners.
      (5)   The following standards apply to multiplexes in a conservation residential development:
 
Table 151.130(I): Multiplex Conservation Residential Development Standards
Minimum Lot Size per Dwelling Unit
   Area (sq. ft.)
1,700 square feet
   Width (ft.)
70 feet (per structure)
Minimum Setbacks (Feet) (Per Structure)
   Street
20 [1]
   Interior side
5
   Rear
15
Maximum height
35 feet
[1] 30 feet from all collector streets, arterial streets, and freeways
 
   Multiplex Site Plan (Typical)
   (J)   Multi-dwelling structures.
      (1)   A multi-dwelling structure is a structure containing more than eight and no more than 48 individual dwelling units that share common access and yards.
      (2)   Each multi-dwelling structure shall be located on an individual lot that is owned and maintained by the building or unit owners.
      (3)   The following standards apply to multi-dwelling structures within a conservation residential development:
 
Table 151.130(J): Multi-Dwelling Conservation Residential Development Standards
Minimum Lot Size per Dwelling Unit
   Area (sq. ft.)
1,400 square feet
   Width (ft.)
100 feet (per structure)
Minimum Setbacks (Feet) (per structure)
   Street
25 [1]
   Interior side
25
   Rear
25
Maximum height
35 feet
[1] 30 feet from all collector streets, arterial streets, and freeways
 
   Multi-Dwelling Site Plan (Typical)
(Ord., § 7.6, passed 10-13-2009)