| STANDARD |
ADDITIONAL RESIDENTIAL ACCOMMODATION (ARA) TYPES
(Additional table coming soon with Ranchets and MOG Standards) |
| INTERIOR or ATTACHED |
DETACHED |
| ADU |
SECOND UNIT (SU) |
Guest Quarter (GQ) |
ACCESSORY
DWELLING
UNIT (ADU) |
Junior ADU |
| |
| Single Family |
1 unit/lot |
1 unit/lot |
| Multifamily |
1 interior unit/lot
(or a quantity that is
≤ 25% of existing
multifamily units,
whichever is greater) |
N/A |
2 units/lot |
N/A |
N/A |
| |
| Kitchen |
Full |
Cooking appliance,
prep. counters, &
storage cabinets,
at a minimum |
Full |
None allowed |
Bathroom
(Minimum) |
Toilet, shower, sink |
Toilet, shower, sink
(may shared
facilities with
house permitted) |
Toilet, shower, sink |
Optional |
| |
| Lot Size |
Permitted on
any lot size |
> 7,200 s.f. |
Permitted on
any lot size |
| Lot Coverage |
Set by zoning classification (ADU floor area not included in the calculation) |
Setbacks,
rear/side
(Minimum) |
4 feet (for addition) |
4 feet |
Per zoning |
Floor Area
(Maximum) |
Floor area must be
≤ 50% of primary unit
floor area (Max. floor area
area allowed must be
between 800 square
feet (sf) to 1,000 sf)
|
≤ 50% of primary
unit floor area
(or 500 sf,
whichever is less) |
1,000 sf |
Max. floor area
depends on lot size:
- up to 1,200 s.f. unit
(7,201-20,000 s.f. lots);
- up to 1,500 s.f. unit
(20,000 s.f.-1.99 ac. lots)
- up to 2,500 s.f.
(2 ac.-3.99 ac. lots)
- up to 200% of
primary house area
(4+ ac. lots)
|
2% of lot size
(or 600 s.f,
whichever
is less)
|
| Height |
N/A (only in one story) |
16 feet |
No taller than
primary unit |
Per zoning |
Parking
(Replace-
ment parking
if existing
space(s) are
converted?) |
Interior w/in existing struct./Junior ADU:
None required (no replacement)
Interior within new structure:
See detached ADU
|
1 space/unit
(no replacement)
- regular or
tandem spaces
- may be waived
|
1 space for
one-bedroom units; or
2 spaces for units
with two or more units
-regular or
tandem spaces
(replacement
may be required)
|
None
required
(no replacement)
|
| |
| Review |
60 days from complete application, if primary unit exists
(Per Building Code, if primary unit is new)
|
Per Building Code |
| Occupancy |
Owner does not need
to live onsite
|
Owner must
live onsite |
Owner does not need
to live onsite
|
Owner must live onsite |
*Draft standards: the above standards may be amended from time to time to correct errors or update interpretations. Last updated: 9.24.20
PDF version: Standards Matrix (under revision)