Overview
Stockton is located in San Joaquin County in California. Stockton has a total
population of 291707 over a land mass of 61.67 Square Miles. When it comes to
ADUs, the city allows for 1+ ADUs on a given property, and a square footage of
850-1,000 sf
Types of ADUs Allowed
Detached, Junior, Attached
Number of ADUs allowed
Under state law, each single-family home may now create at least one Accessory
Dwelling Unit. Owner occupied single-family properties may create one Accessory
Dwelling Unit and one JADU. Multi-family properties, per every four existing
residential units, may create one Accessory Dwelling Unit, so long as the
existing units were legally established.
Property Requirements
Residential parcels will be allowed to create up to 850 sqft for a one bedroom
ADU or up to 1,000 sqft for a two bedroom ADU, regardless of the underlying
zoning standards of the property. A Junior ADU is allowed up to 500 sqft.
According to Califronia Residential Code, the minimum size of any living unit is
150 sqft (including Accessory Dwelling Unit (ADU)s and Junior ADUs). ~ According
To AB68
Types of ADUs Allowed
Attached ADU
An attached ADU is one that is attached to your house. Also know as Addition ADUs or “bump-out ADUs. These types of ADUs can be accessed from the primary house with a door in the connection point, but also can be independent of the main home.
Detached ADU
A detached ADU is not connected to your primary house. The dwelling needs to be within your property setbacks and allowable building size (both height and square footage).
Junior ADU
Junior Accessory Dwelling Units (JADUs) are named this way because they are small (up to 500 square feet).
In California, the recent state bills
AB68 and
AB 881 permits both an ADU and a Junior ADU (JADU) on the same lot with a proposed or existing single-family dwelling. This means you can have two units on your lot: ADU, and JADU.
Property Requirements
Ownership
Between between 2020 and 2025, owner occupancy requirements will not apply to
new ADUs. (applicable to new construction and conversion units) ~ SB13 Update
Number of ADUs Allowed
Under state law, each single-family home may now create at least one Accessory
Dwelling Unit. Owner occupied single-family properties may create one Accessory
Dwelling Unit and one JADU. Multi-family properties, per every four existing
residential units, may create one Accessory Dwelling Unit, so long as the
existing units were legally established.
ADU Size
Residential properties will not be subject to any minimum lot size for ADUs by
ordinance or of the underlying zoning district. ~ AB68 & AB881 Update
Parking
Properties which convert an existing garage to an Accessory Dwelling Unit (ADU)
or Junior ADU will not be subject to replacement parking requirements. ~
Updated: State Law AB-68
Height
State Standards don't specify height restrictions.
Fire Safety
Accessory dwelling units shall not be required to provide fire sprinklers if
they are not required for the primary residence and may employ alternative
methods for fire protection. (State requirements)
Utility Connections
Local health officer approval where a private sewage disposal system is being
used, if required. (State requirements)
Aesthetic
State Standards don't specify design restrictions.
Set backs
The maximum required setback for a detached new construction ADU shall be no
more than 4 ft. from the rear and side property lines. Setbacks will not be
required for ADUs and Junior Accessory Dwelling Units converted from existing
space that was legally eastablished. Attached ADUs and conversions from existing
space to be expanded will be required to comply with the setbacks of the
underlying zone. ~ AB68 & AB881 Update
Design Review
State Standards don't require any additional design review.
Next Steps
To get started on your ADU, here are some first steps.
Call Your City
Search Google for your city’s contact number. eg “City of {Phoenix} Residential Permits Contact Number”
You can call the main line and get directed to the permitting department.
Ask these questions...
1) Can I put a secondary home on my lot (Accessory Dwelling Unit)?
2) What are my livable setbacks, and ADU size regulations?
3) Can I put a prefabricated guest house on my property?
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