HomeMy WebLinkAbout8.03 ADU Handout
“Small Town Atmosphere
Outstanding Quality of Life”
TO: Mayor and Town Council
FROM: Development Services, Riley Anderson-Barrett
SUBJECT: Accessory Dwelling Unit and SB9 Fact Sheet
DATE: May 16, 2023
Maximum Allowable Height
ADU Type and Location Previous New
Single-Family
Attached ADU (4’ setbacks) 16’ 25’
Attached ADU (same setbacks as the
primary residence)
2.5 stories or 35’ 2.5 stories or 35’
Attached ADU (within ½-mile of a
major transit corridor)
N/A 2.5 stories or 35’
Detached ADU (4’ setbacks) 16’ 16’
Detached ADU (same setbacks as the
primary residence)
24’ 24’
Detached ADU (within ½-mile of a
major transit corridor)
N/A 18’ or 20’
accommodation to align
with roof pitch
Multi-Family
Attached ADU (4’ setbacks) 16’ 16’
Attached ADU (same setbacks as the
primary residence)
2.5 stories or 35’ 2.5 stories or 35’
Attached ADU (within ½-mile of a
major transit corridor)
N/A 18’ or 20’
accommodation to align
with roof pitch
Detached ADU (4’ setbacks) 16’ 16’
MEMORANDUM
“Small Town Atmosphere
Outstanding Quality of Life”
Detached ADU (same setbacks as the
primary residence)
24’ 24’
Detached ADU (within ½-mile of a
major transit corridor)
N/A 16’
Detached ADU (if the lot has an
existing or proposed multi-story multi-
family dwelling)
N/A 18’
Number of Allowable ADUs
Option 1 (previously and
currently allowed)
• One attached or detached ADU with a maximum of
2,000 square feet
• One JADU with a maximum of 500 square feet
Option 2 (new quantity
allowance)
• One detached ADU with a maximum of 800 square
feet
• One JADU with a maximum of 500 square feet
• One attached ADU converted from existing space or
contained within a proposed new single family
residence with a maximum of 2,000 square feet and
may not exceed 50% of the existing primary residence
“Small Town Atmosphere
Outstanding Quality of Life”
Maximum Units with SB9
Lots utilizing SB9 as well as ADU laws may have four units on one lot. A lot that is split
using SB9 may still only have a maximum of four dwelling units and does not double
the number of dwelling units allowed between the two lots.