HomeMy WebLinkAboutRMC_4-2-110A_DEVELOPMENT STANDARDS FOR RESIDENTIAL LOW DENSITY AND MEDIUM DENSITY ZONES – PRIMARY STRUCTURES_COMPLETE4-2-110A1 DEVELOPMENT STANDARDS FOR RESIDENTIAL ZONING DESIGNATIONS (PRIMARY
STRUCTURES) DEVELOPMENT STANDARDS FOR RESIDENTIAL LOW DENSITY AND MEDIUM
DENSITY ZONES – PRIMARY STRUCTURES
RC R-1 R-4 R-6 R-8 R-10 R-14 RMF RMF-2
Minimum Net
Density (per
Net Acre)1, 2, 15
None 3
dwelling
units
4 dwelling units 5
dwelli
ng
units30
7
dwelli
ng
units3
0
10
dwelli
ng
units3
0
20
dwellin
g units30
Maximum Net
Density (per
Net Acre,
Except per Net
10 Acres in
RC)2, 14, 15
1
dwelli
ng
unit
1
dwelli
ng
unit7,
36
4
dwelling
units
6
dwelling
units
8 dwelling
units38
10
dwelli
ng
units29
14
dwelli
ng
units2
9
20
dwelli
ng
units2
9
40
dwellin
g units20
Maximum
Number of
Dwellings (per
Legal Lot)2
Single-family dwellings and cottage house dwelling
units: 1 per legal lot or unit lot.
Accessory dwelling units (attached or detached): 2
per legal lot.
Middle housing: See RMC 4-2-110F, Development
Standards for Middle Housing Developments.
Maximum
Number of
Dwellings (per
Legal Lot)2
1
dwelli
ng
with 1
acces
sory
dwelli
ng
unit
1
dwelli
ng
with 1
acces
sory
dwelli
ng
unit7
1 dwelling with 1
accessory dwelling
unit
1 dwelling with
1 accessory
dwelling unit
Detached
dwellings: 1
dwelling with
1 accessory
dwelling unit
Attached
dwellings: n/a
Townhouses: 1
dwelling
Other Attached
Dwellings: n/a
Minimum Lot
Size2, 28, 31
10
acres
1
acre3,
32
9,000 sq.
ft.32, 34
7,000
sq. ft.32,
34
5,000 sq. ft.34 Detac
hed
dwelli
ngs:
4,000
sq. ft.
Attach
ed
dwelli
Detac
hed
dwelli
ngs:
3,000
sq. ft.
Attac
hed
dwelli
n/a
ngs:
n/a
ngs:
n/a
Minimum Lot
Width31
150 ft. 100
ft.32
70 ft.32 60 ft.32 50 ft. 40 ft. 30 ft. Townhouses:
25 ft.
Other Attached
Dwellings: 50
ft.
Minimum Lot
Width31 (Corner
Lots)
175 ft. 110 ft. 80 ft. 70 ft. 60 ft. 50 ft. 40 ft. Townhouses:
30 ft.
Other Attached
Dwellings: 60
ft.
Minimum Lot
Depth31
300 ft. 200
ft.3, 32
100 ft.32 90 ft.32 80 ft. 70 ft. 60 ft. Townhouses:
50 ft.
Other Attached
Dwellings: 65
ft.
Minimum Front
Yard4, 5, 31
30 ft. 30 ft.6 30 ft.6, 33 25 ft.6 20 ft. except when all
vehicle access is taken
from an alley, then 15
ft.39
15
ft.11,
excep
t
when
all
vehicl
e
acces
s is
taken
from
an
alley,
then
10
ft.39
Townhouses:
15 ft.11, except
when all
vehicle access
is taken from
an alley, then
10 ft.39
Other Attached
Dwellings: 20
ft.
Minimum Rear
Yard4, 22, 31
35 ft. 30 ft. 25 ft.33 25 ft. 25 ft.39 15
ft.21, 39
10
ft.21, 39
Townhouses:
10 ft.13, 39
Other Attached
Dwellings: 15
ft.39
Minimum Side
Yard4, 31
25 ft. 15 ft. Combine
d 20 ft.
with not
less than
7.5 ft. on
either
side.
Combin
ed 15 ft.
with not
less
than 5
ft. on
either
side.
5 ft. Detac
hed
Units:
4 ft.
Attach
ed
Units:
4 ft.
for
unatta
ched
side(s)
, 0 ft.
for the
attach
ed
side(s)
.23
Detac
hed
Units:
4 ft.
Attac
hed
Units:
4 ft.
for
unatt
ached
side(s
), 0 ft.
for
the
attac
hed
side(s
).23
5 ft. for
unattached
side(s), 0 ft. for
the attached
side(s).13
Minimum
Secondary
Front Yard4, 5, 31
(applies to
Corner Lots)
30 ft. 30 ft.6 30 ft.6, 33 25 ft.6 15 ft.11 15 ft.11 15
ft.11
Townhouses:
15 ft.11
Other Attached
Dwellings: 20
ft.
Maximum
Building
Coverage
(including
Primary and
Accessory)
10% 20% 35% 40% 50% 55% 65% Townhouses:
70%
Other Attached
Dwellings: 35%
A maximum
coverage of
45% may be
allowed
through the
Hearing
Examiner site
development
plan review
process.
Maximum
Impervious
Surface Area
15% 25% 50% 55% 65% 70% 80% 75%
Maximum
Number of
Stories
3 2 3
Maximum Wall
Plate Height8, 9,
10, 12, 18, 19
32 ft. 24 ft. 24 ft.,
increa
se up
to 32
ft.
possi
ble
subje
ct to
admi
nistra
tive
condi
tional
use
permi
t
appro
val.
Townhouses:
32 ft.
Other Attached
Dwellings: 32
ft., increase up
to 42 ft.
possible
subject to
administrative
conditional use
permit
approval.
Maximum
Number of
Units per
Building2
n/a 4 dwelling units
No
more
than 4
units
per
buildi
ng.
No
more
than 6
units
per
buildi
ng.
n/a
Minimum
Freeway
Frontage
Setback
10 ft. landscaped setback from the street property line.
Maximum
Wireless
Communicatio
n Facilities
Height
(including
Amateur Radio
Antennas)
See RMC 4-4-140, Wireless Communication Facilities. Amateur
radio antennas are allowed a maximum height of 6 feet without a
Conditional Use Permit. Larger structures will have a maximum
height determined by the Conditional Use Permit process, RMC 4-9-
030, Conditional Use Permits.
Formatted: Not Strikethrough, Not Highlight
Design
Standards
See RMC 4-2-115, Residential Design and Open Space Standards.
Landscaping See RMC 4-4-070, Landscaping.
Exterior
Lighting
See RMC 4-4-075, Lighting, Exterior On-Site.
Screening See RMC 4-4-095, Screening and Storage Height/Location
Limitations.
Exception for
Pre-Existing
Legal Lots
See RMC 4-10-010, Nonconforming Lots.
1
Please see Section 4-2-110IE, Conditions Associated With Development Standards Table For
Residential Zoning Designations Conditions Associated with Residential Development Standards
Tables, for explanation of table footnotes.