A. 
Generally.
The lot and building standards for each residential zoning district and development type are provided in table 11.03.061A, Single-Family Residential Lot and Building Standards and table 11.03.061B, Townhome and Garden-Style Apartment Lot and Building Standards.
B. 
Applicability.
These standards apply to:
1. 
Detached single-family developments on a lot that is platted after the effective date of this Chapter;
2. 
Resubdivisions of property that are replatted after the effective date of this Chapter to create two (2) or more buildable lots; or
3. 
Townhome (in the UR district) or apartment (in the MF district) developments with three (3) or more dwelling units on a single parcel located on a lot that is platted after the effective date of this Chapter.
C. 
Single-family dwellings.
Single-family detached dwellings are permitted in the Development Reserve (DR), Estate Residential (ES), Suburban Residential (SR), and Semi-Urban Residential (SU) districts. The maximum gross density, lot area and width; front, interior and street side, and rear setbacks; building height; and minimum living area are stated in table 11.03.061A, Single-Family Lot and Building Standards.
D. 
Townhome dwellings.
Townhome dwellings are permitted in the Urban Residential (UR) district. The maximum gross density, lot area and width; front yard; interior side yard; street side yard; and rear yard setbacks; maximum building height and minimum living area are established for townhome dwellings are stated in table 11.03.061B, Townhome and Garden-Style Apartment Lot and Building Standards.
E. 
Garden-style apartments.
This multifamily housing type is typically in the form of apartments of two (2) or more stories in the MF district.
Table 11.03.061A. Single-Family Residential Lot and Building Standards
Minimum Lot
Minimum Setbacks
District and Development Type
Maximum Gross Density (units/acre)
Area
Standard/ Corner Width
Front2
Interior Side2
Street Side2
Rear2,3
Maximum Building Height
Minimum Living Area
Development Reserve (DR)
Acreage
0. 25
35 ac.
750'
75'
75'
75'
150'
40'
2,000 sf
Estate Residential (ES)1
Standard
1.85
15,000 sf
100'
30'
15'
20'
25'
40'
4,000 sf
Suburban Residential (SR)
Standard
1.85
15,000 sf
100'
30'
12'
20'
25'
40'
2,000 sf
Semi-Urban Residential (SU)
Standard
3.65
8,250 sf
75' / 90'
25'
10'
15'
20'
35'
1,500 sf
Table Notes:
1.
See section 11.03.153(C), Residential Development, for additional development standards.
2.
The front, side and rear setbacks may be reduced up to five (5) feet from that required when needed to shift the building to preserve existing protected or heritage trees. Approval from the administrator is required. Such approval is discretionary and approval shall consider the preservation of existing tree(s), impact on the neighborhood character and continuity, availability of parking, and that the tree is of a variety listed in the preferred plant list.
3.
Rear setbacks on a double frontage lot shall be the same as that required for the front setback.
Table 11.03.061B. Townhome and Garden-Style Apartment Lot and Building Standards
 
 
 
Minimum Lot
Minimum Setbacks
 
 
District and Housing Type
Maximum Gross Density (units/acre)
Area1
Standard/Corner Width
Front2
Interior Side
Street Side4, 5
Rear
Maximum Building Height6
Minimum Living Area
Urban Residential (UR)
Townhome3
Front entry
8
3,000 sf
30' per unit
25'
0'/15'9
15'20'25'
20'
35'
1,100 sf
Rear entry
2,500 sf
25' per unit
10'
Multifamily (MF)
Garden-style apartment7, 8
20
2,178 sf
150'/165'
25'
10'
25'
25'
48'
450 sf efficiency 650 sf one bedroom 730 sf two bedroom 80 sf each additional bedroom
Table Notes:
1.
For townhome and apartment dwellings, the lot area is measured on a per dwelling unit basis.
2.
If the front setback along the entire length of the property (street side) is common open space, the minimum front setback may be reduced to zero feet.
3.
When two (2) principal structures are arranged face-to-face or back-to-back, the minimum distance between them shall be 40 feet. The points of measurement shall be the exterior walls of the buildings, which do not include balconies, railings, or other architectural features.
4.
The street side yard for garden-style apartment dwellings is also the minimum separation between buildings on the same parcel.
5.
The minimum street side setback shall be 15' on local streets, 20' on collector streets, and 25' on arterial streets.
6.
Principal structures shall not exceed one (1) story within 100 feet of the property line when abutting a single-family residential district. Additionally, building height shall be measured by existing grade if the structure is abutting or within 100 feet of a single-family residential district. Building height shall be measure by finished grade if the structure is located more than 100 feet from a single-family residential district.
7.
The front and interior and street-side setbacks must accommodate a sidewalk.
8.
The minimum site area is 10 acres.
9.
The second number represents the minimum separation between townhome buildings consisting of three (3) or more contiguous dwelling units.
F. 
Alternative standards.
1. 
Applicability.
These alternative standards are permitted in the Development Reserve (DR), Estate Residential (ES), Suburban Residential (SR), and Semi-Urban Residential (SU) districts.
2. 
Front setbacks.
The following standards may be applied to front setbacks as an alternative to the general standards in table 11.03.061A, Single-Family Residential Lot and Building Standards:
a. 
Enclosure of front porch.
Front setbacks may be reduced by up to two (2) feet from their existing location in order to enclose an existing front porch.
b. 
Addition of front porch.
Front setbacks may be reduced by up to five (5) feet from the general standards in order to allow for the construction of a front porch, provided that:
1. 
The added front porch would not be located closer than 15 feet to the front property line; and
2. 
The porch may be enclosed with a screened enclosure, but shall not be fully enclosed with walls and windows.
G. 
Requirements for phased developments.
The maximum residential development capacity of the entire parcel proposed for development shall be used for calculating compliance with the maximum gross density set out in table 11.03.061A, Single-Family Residential Lot and Building Standards.
(Ordinance CO02-17-11-09-H1, exh. A, sec. 11.03.03.01, adopted 11/9/17; Ordinance CO06-21-01-14-E1 adopted 1/14/21)