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Citrus Heights ADUs

Everything about developing Accessory Dwelling Units in Citrus Heights, CA

Learn what type of ADU your property’s zoning allows
Calculate returns and costs to get financing
Learn the process and estimate your project timeline

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Zoning Guidelines
Last Updated 06/19/18

The city government of Citrus Heights has updated its local zoning codes to comply with the State ADU mandate.

Number of ADUs allowed:

No more than one accessory dwelling unit shall be approved on a single parcel. Accessory dwelling units are not included when calculating the density of a parcel.

Types of ADUs allowed:

Attached, Detached or junior ADU. Conversion of existing space or new construction permitted.

Lot size:

Minimum lot size will be determined by the maximum allowed density of the underlying zone.

ADU size:

The floorspace of an attached accessory dwelling unit shall not exceed 60 percent of the floorspace of the primary dwelling or 1,200 square feet , whichever is less. The floorspace of a detached accessory dwelling unit shall not exceed 1,200 square feet , regardless of the size of the primary dwelling. For purposes of computing the floorspace of an accessory dwelling unit, all enclosed areas accessed from within the accessory dwelling unit shall be included. For purposes of computing the floorspace of the primary dwelling, an attached garage of up to 400 square feet may be included when calculating the floorspace of the primary dwelling.


Setback requirements. An accessory dwelling unit shall comply with the setback requirements of the applicable zoning district. An existing legal accessory structure, including legal non-conforming structures, may be converted to an accessory dwelling unit regardless of height limit, lot coverage, or setbacks. If an existing legal accessory structure, including legal non-conforming structures, is expanded for the purpose of creating an accessory dwelling unit, a minimum five-foot side and rear yard setback shall apply to all sides of the structure. FRONT setback, An accessory structure shall not be located within a required FRONT setback except as may otherwise be provided by Subsection E. Side and REAR setbacks. An accessory structure not exceeding feet in height shall maintain interior side and REAR setbacks of at least five feet; except that the Director may authorize a minimum side and/or REAR setback of three feet. An accessory structure with a height greater than feet shall increase the setback one foot for each foot above feet . (i.e., an 18-foot high structure shall be setback seven feet.) Separation between structures. An accessory structure shall maintain at least a five-foot separation from other accessory structures and the primary dwelling unit. Double-frontage lot. An accessory structure shall not occupy the front half of a parcel, or either front quarter of a double-frontage lot, unless it is setback at least feet from any street lot line. Reverse corner lot. On a reverse corner lot that abuts a key lot, no accessory structure shall be located less than 12. feet from the street property line.


Single-family residential. Required parking may be located within the required front and interior SIDE setback provided the required parking occurs on an approved driveway at least feet in length and is perpendicular to the street. Alternate locations may be approved by the Director provided the design of the driveway is aesthetically pleasing, compatible with the surroundings and will not create a pedestrian or vehicular hazard. parking spaces. Each parking space shall be a minimum of nine feet wide and feet long. Compact car spaces with minimum dimensions al eight feet by feet may be allowed within a parking lot interior, up to a maximum of 25 percent of the total number of spaces.

Fire Safety:

Fire sprinklers are not required for the ADU unless they are required for the primary dwelling.

Shape, materials and style:

State Standards don't specify design restrictions.


Height limit. An accessory dwelling unit shall comply with the height limits of the applicable zoning district except that a detached accessory dwelling unit shall not exceed a maximum height of feet, except when the accessory dwelling unit is above a detached residential accessory structure, in which case it shall not exceed feet.

Design review:

Review and approve, The Zoning Clearance shall be reviewed and a decision determined within 120 days from the day the application is determined complete, The Director shall issue the Zoning Clearance after determining that the request complies with all Zoning Code provisions applicable to the proposed use.

Number of Bedrooms:

Not specified by State Standards.


Unit is not intended for sale separate from the primary residence and may be rented. (State requirements)

Utility connections:

Local health officer approval where a private sewage disposal system is being used, if required. (State requirements)

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ADU Investment Calculator
Costs / ROI


* upon completion of ADU


* based on local average price per sqft


* estimated by location


* 30 years / 5% interest rate / 20% down payment


Appreciation Estimate = (Base Value: $) / (Home's Living Space: sqft) * (ADU's Living Space: sqft)

Rental Estimate = (Rent Per Sqft: $1.93) * (ADU's Living Space: sqft)

How do you start the process?

It is important to answer the first questions first, before moving into the more advanced stages of planning your project. These are questions like, what kind of ADU is allowed on my property? How large could it be? What are my goals for the project?

Our goal is to give you the tools you need to answer these questions and give you more information to help at each step of the process, regardless of the type of adu you choose or the professionals you work with to complete your project.

Project Timeline

Pre-Planning (typically 3-12 months) Research, budgeting, pre-design, and then more research…

Start the Process (typically 3-6 months) Talk with professional contractors,designers and lenders about your project the get the ball rolling and nail down your design, costs, and timeline.

Permit and Build Your Project (typically 6-12 months) Finalize your design, submit for permits and once they are issued, you are ready to build your project!

Check your property and get example designs

Checking your property will give you valuable insights, tools and standardized designs, free of charge, to help you get your project started:

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