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j Adopted Code Amendments: Effective Date 1131/2019 (ORD 18-23 and ORD 18-28)
Chapter 18.290
SINGLE DETACHED HOUSES
Sections: -.1
18.290.010 Purpose I I ft
18.290.020 Applicability
18.290.030 Development Standards S E p 1 7 Z O 1 9
18.290.040 Design Standards e offPl 4
18.290.050 AccessoryStructures
L t
18.290.010 Purpose
Single detached house development is intended to provide a desired housing type for individual
households. It is one piece of a diverse housing strategy and integrates well with other housing types of
similar scale.
18.290.020 Applicability
The standards of this chapter apply to single detached houses in residential zones and to primary dwelling
units on lots with accessory dwelling units.
18.290.030 Development Standards
Development standards for single detached houses are provided in Table 18.290.1.
18.290 Single Detached Houses Page 1 of 5
J. dopted Code AmendrneftsruEffectiverDate 1144019 {C D 18-23 and OP-10TM
Table 18.290.1
Development Standards for Single Detached Houses
x x
m fr! t 3 E
30,000 20,000 10,000 7,500 5,000 3,050 0 sq ft
Minimum Lot Size sq ft sq ft sqft sqft sqft sq ft
Minimum Lot Width 100 ft 100 ft 65 ft 50 ft 50 ft O ft O ft
Minimum Setbacks
-Front 30ft 30ft 20ft 20ft 15ft 15ft Oft[1]
-Street side 20ft 20ft 20ft 15ft loft loft Oft[1]
-Side 5ft 5ft 5ft 5ft 5ft 5ft Oft
-Rear ' 25ft ' 25ft ' 15ft 15 ft 15ft ' 15ft Oft
- Garage [2] 20 ft 20 ft 20 ft 20 ft 20 ft 20 ft 20 ft
Maximum Height 30 ft 30 ft 30 ft 30 ft 35 ft 35 ft 70 ft
Maximum Lot Coverage None None None None 80% 80% 90%
Minimum Landscape Area[3] None None None None 20% 20% 10%
25 units
Minimum Density 80%of maximum density per acre
50 units
Maximum Density Calculated using the method provided in 18.40.14"v per acre
Minimum Parking 1 off-street vehicle parking space per house [4]
[1] The maximum front and street side setback is 20 feet.
[2] The minimum garage setback applies to garages and carports. The minimum setback may be reduced
to 0 feet where vehicle access is taken from an alley.
[3] The minimum landscape area must be planted to the L-1 standard. Landscaping standards are
provided in Chapter 18.420, Landscaping and Screening. Single detached house development is
exempt from the general provisions of Section 18.420.030.
[4] The minimum parking standard may be met with an on-street parking credit. On-street parking credit
standards are provided in Section 18.410.090.
18.290.040 Design Standards
JA. Entrances.The main entrance to a single detached house must meet the following standards:
.1. The entrance must be set back no further than 8 feet from the widest street-facing wall;and
t2. The entrance must be offset no more than 45 degrees from a line parallel to the front lot line. If
the front lot is curved, the offset is measured from a line tangent to the midpoint of the front lot
line.
VB. Windows. A minimum of 12 percent of the area of all street-facing facades, excluding alley-facing
18.290 Single Detached Houses Page 2 of 5
Adopted Code Amendments: Effective Date 1131/2019 (ORD 18-23 and ORD 18-28)
facades, must include windows or doors. Door area is the portion of a door that moves and does not
include the frame. Garage doors designed for vehicle access may not be used to meet this standard.
v 1. Windows in a garage door may be used to meet this standard.
2. A maximum of 2 percent of the required window area may be frosted glass.
/C. Attached garages and carports. An attached garage or carport must meet the following standards,
except where vehicle access is taken from an alley.
1. A garage door or carport entrance designed for vehicle access must be the same distance or a
greater distance from the street property line as the widest street-facing wall along the same street
frontage,except as follows:
a. A garage door or carport entrance may extend up to 5 feet in front of the widest street-facing
wall if there is a covered front porch and the garage door or carport entrance does not extend
beyond the front of the porch.
b. A garage door or carport entrance may extend up to 5 feet in front of the widest street-facing
wall where the garage or carport is part of a 2-story building and there is a window on the
second story above the garage or carport that faces the street with a minimum area of 12
square feet.
2. The total maximum width of all garage doors or carport entrances is 12 feet or 50 percent of the
total width of the street-facing facade, whichever is greater. The width of a garage door is
measured from inside the garage door frame. Where more than one garage door is proposed, the
width of each garage door is measured separately. See Figure 18.290.1.
Figure 18.290.1
Garage Door Width
Property Line . _. .,.._..�.� ..�. �. _.... ..� .,�
I I
SFX
' F- X -I •
t y i
STREET
X: Width of garage door
Y: Width of street-facing facade
18.290 Single Detached Houses Page 3 of 5
Adopted Code Amendments: affective Date /131120/9 (ORD 18-23 and ORD X8.28)
d, 3. The total maximum width of all garage doors or carport entrances may be increased to 60 percent
of the total width of the street-facing facade provided that a minimum of 7 detailed design
elements from the list below are included on the street-facing facade with the garage door or
carport entrance.
\a. Covered porch: a minimum depth of 5 feet, as measured horizontally from the face of the
building wall,and a minimum width of 5 feet.
Recessed entrance area: A minimum depth of 2 feet, as measured horizontally from the face
of the building wall, and a minimum width of 5 feet.
v6. Wall offset: a minimum offset of 16 inches from one exterior wall surface to the other.
d. Dormer: a minimum width of 4 feet that is integrated into the roof form.
v.4. Roof eave: a minimum projection of 12 inches from the intersection of the roof and the
building walls.
\X. Roof offset: a minimum offset of 2 feet from the top surface of one roof to the top surface of
the other.
g. Roof shingles: tile or fire-resistant roofing material.
h. Roof design: gable roof,hip roof, or gambrel roof design.
i. Roof pitch: a roof pitch of at least 500 square reet in area that is scoped to face the southern
sky and has its eave line oriented within 30 degrees of the true north/south axis.
v/S. Horizontal lap siding: a minimum visible lap width of 3 to 7 inches once installed. The siding
material must be wood,fiber-cement, or vinyl to meet this standard.
Vc. Accent siding: brick, cedar shingles, stucco, or other accent material that covers a minimum
of 40 percent of the facade.
1. Window trim: a minimum width of 2.5 inches and a minimum depth of 5/8 inches around all
r
w iudouv`vv 3.
m. Window recess: a minimum depth of 3 inches, as measured horizontally from the face of the
building wall, for all windows except where a bay window is proposed that meets the
standard in Subparagraph 18.290.040.C.3.n.
n. Window projection(e.g.,bay window): a minimum depth of 2 feet, as measured horizontally
from the face of the building wall, and a minimum width of 5 feet.
o. Balcony: a minimum depth of 3 feet and a minimum width of 5 feet that is accessible from an
interior room.
18.290.050 Accessory Structures
A. Accessory structures are allowed on all lots with single detached houses subject to the following
standards:
18.290 Single Detached Houses Page 4 of 5
Adopted Code Amendments: Effective Date 1/31/2019 (ORD 18-23 and ORD 18-28)
1. The maximum size of accessory structures is 528 square feet on lots less than 2.5 acres and 1,000
square feet on lots 2.5 acres or larger;
2. The maximum height of accessory structures is 15 feet;
3. Accessory structures may not cause the lot to exceed the maximum lot coverage allowed in the
base zone;
4. Accessory structures are prohibited in the required front setback; and
5. Accessory structures may be located in the required side, street side, or rear setback provided they
are a minimum of 5 feet from the side, street side, and rear property lines, except for garages and
carports, which are subject to specific setback standards for the side of the structure designed for
vehicle access.
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