Overview
Oceanside is located in San Diego County in California. Oceanside has a total
population of 167086 over a land mass of 41.23 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
According to state law, all single-family homes are allowed at least one
Accessory Dwelling Unit (ADU). Additionally, single-family lots which are
owner-occupied may create one Accessory Dwelling Unit (ADU) and one Junior
Accessory Dwelling Unit. Also, multi-family lots may now add one ADU per every
four existing residential units, so long as they were legally established.
Property Requirements
Single-family and multi-family Properties will be approved 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 Accessort Dwelling
Unit (JADU) up to 500 sqft is approved. The minimum size of any living unit
(including Accessory Dwelling Units and Junior Accessort Dwelling Unit (JADU)s)
is 150 sqft according to Califronia Residential Code. ~ AB68 & AB881 Update
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 Accessory Dwelling Unit (ADU)s. (applicable to new construction and
conversion units) ~ SB13
Number of ADUs Allowed
According to state law, all single-family homes are allowed at least one
Accessory Dwelling Unit (ADU). Additionally, single-family lots which are
owner-occupied may create one Accessory Dwelling Unit (ADU) and one Junior
Accessory Dwelling Unit. Also, multi-family lots may now add one ADU per every
four existing residential units, so long as they were legally established.
ADU Size
Residential lots will not be subject to any minimum lot size for ADUs by
ordinance or of the underlying zoning district. ~ AB68
Parking
Lots which convert an existing garage to an ADU or Junior ADU will not be
subject to replacement parking requirements. ~ According To AB68
Height
The ADU shall meet the height and maximum lot coverage of the underlying zoning
district.
Fire Safety
shall not be required to provide fire sprinklers if they are not required for
the primary dwelling. Side and REAR setbacks must be sufficient for fire safety
as determined by the Fire Department.
Utility Connections
Utilities: ADU’s shall comply with water and sewer requirements as determined by
the Water Utilities Department; subject to the following: a. ADUs shall not be
considered new residential uses for the purposes of calculating utility
connection fees or capacity charges, including water and sewer service. b. The
City shall not require an applicant to install new or separate utility
connection or impose a related connection fee or capacity charge for ADUs that
are contained within an existing residence or accessory structure. c. For new
attached and detached ADUs, the fee must be proportionate to the burden of the
unit on the water or sewer system and may not exceed the reasonable cost of
providing the service. d. Where a private sewage disposal system is being used
by the ADU, approval by the local health officer may be required.
Aesthetic
The accessory unit maintains the scale of adjoining residences and is compatible
with the design of existing dwellings in the vicinity in terms of building
materials, colors and exterior finishes.
Set backs
Setbacks for a detached new construction ADU shall be no more than 4 ft from the
rear and side lot lines. No setbacks shall be required for ADUs and JADUs
converted from legally eastablished existing space. Attached new construction
ADUs and conversions from existing space to be expanded must comply with the
setbacks of the underlying zone. ~ AB-68
Design Review
The City shall ministerially approve an application for a building permit to
create an ADU, within 120 days after receiving the application. Applications
shall be submitted to the Planning Department accompanied with the fee, plans
and elevations showing the proposed accessory dwelling and its relation to the
principal dwelling, descriptions of building materials, landscaping and exterior
finishes to be used a.ad parking to be provided, and Ol.R3/ other information
required by the Department to determine whether the proposed unit conforms to
all requirements of this ordinance. The Planning Director shall approve a use
permit for an accessory (dwelling unit after noticing upon finding The (Dwelling
conforms to the design and development standards for accessory dwelling units
established in Subsection 6, The accessory unit maintains the scale of adjoining
residences and is compatible with the design of existing dwellings in the
vicinity in terms of building materials, colors and exterior finishes.
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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