Anaheim ADU Quotes

Affordable ADU Quotes in Anaheim
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Anaheim ADU Construction
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General Requirements to Know to Inform Your Attached ADU Quote
In Anaheim, one ADU and one Junior ADU (JADU) are permitted on a single lot with a single-family dwelling.
- Junior ADUs have a minimum size of 150 square feet and a maximum size of 500 square feet.
- Attached ADUs that are less than 800 square feet in size have a minimum size of 150 square feet and a maximum size of 800 square feet.
- Attached ADUs that are larger than 800 square feet have a minimum size of 150 square feet and a maximum size of 1,200 square feet, or 50% of the principal dwelling unit, whichever is less.


Types of Detached ADU Construction
Anaheim has a program called ADU Express that allows qualified single family homes to complete the ADU review process within 1-3 days. This program uses pre-approved plans that cannot be modified. ADU Express is for detached ADUs only.
- Detached ADUs that are less than 800 square feet have a minimum size of 150 square feet and a maximum size of 800 square feet.
- Detached ADUs that are larger than 800 square feet have a minimum size of 150 square feet and a maximum size of 1,200 square feet.
- Studio and one-bedroom ADUs are allowed up to 850 square feet. Units with two or more bedrooms are permitted up to 1,000 square feet.
Anaheim ADU Construction
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Financial Incentives
Anaheim residents may be eligible for the California Housing Finance Agency (CalHFA) ADU Grant Program, which provides significant financial assistance:
- Offers grants of up to $40,000 to eligible homeowners [1]
- Covers pre-development costs and non-recurring closing costs associated with ADU construction [1]
- Pre-development costs include site prep, architectural designs, permits, soil tests, impact fees, property surveys, and energy reports


ADU Parking Requirements
The minimum number of off-street parking spaces required for an accessory dwelling unit (ADU) and a junior accessory dwelling unit (JADU) in Anaheim is based on the total number of bedrooms:
- Studio (JADU): 0 parking spaces
- 1+ bedroom: 1 parking space
- The ADU is located within one-half mile of a transit stop
- The ADU is located within an architecturally and historically significant historic district
- If on-street parking permits are required but not offered to the ADU resident
- If there is a car-sharing station within one block of the ADU
- If a garage, carport or covered parking facility is demolished or converted into an ADU in connection with the construction of an ADU
Anaheim ADU Construction
Anaheim ADU Cost FAQ
How much does an ADU cost to build?
The cost of building an ADU can vary widely depending on factors like the size of the unit and the materials used. For example, an average 800-square-foot ADU built at a rate of $200 per square foot would cost around $160,000. However, this cost can rise based on specific site conditions and the quality of interior finishes chosen.
What is the cost of an ADU in dollars per square foot?
Contractors often estimate ADU construction costs per square foot. The range can be quite broad, starting from under $150 per square foot to more than $500 per square foot. Many ADUs are built for a cost of $200 to $300 per square foot, but it’s important to remember that actual costs can vary significantly based on project specifics.
What is the average cost of an ADU in California? While some homeowners manage to build ADUs for under $100,000, others invest up to $400,000 or more. A survey by UC Berkeley found that the average cost of an ADU is approximately $156,000.
What factors can influence ADU costs?
Several factors contribute to the overall cost of building an ADU:
- Materials: Higher-quality finishes and custom features will raise the cost.
- Location: Labour and material costs vary geographically.
- Site Conditions: Difficult site access or the need for extensive grading can increase costs.
- Utility Connections: Extending or upgrading utilities adds to the budget.
How do you reduce ADU construction costs?
Here are some tips to save on ADU construction:
- Choose pre-designed plans: More cost-effective than custom designs.
- Select affordable materials: Opt for durable but budget-friendly options.
- Consider all-electric appliances: This may save on gas line installation.
- Explore sweat equity: Doing some of the work yourself
What are some common budget items to consider beyond construction costs? Don't forget to factor in these additional expenses:
- Design and Permitting Fees: Architectural plans, engineering assessments, and permit applications.
- Site Preparation: Clearing, grading, demolition, and foundation work.
- Landscaping and Hardscaping: Creating outdoor spaces and walkways.
Sources: [1] Anaheim City ADU Express - https://www.anaheim.net/6350/ADU-Express-Process[2] Anaheim City ADU -https://www.anaheim.net/6349/ADUheim [3] Anaheim Municipal Building Code Guidelines -https://codelibrary.amlegal.com/codes/anaheim/latest/anaheim_ca/0-0-0-67963 [4] Anaheim ADU Friendly Requirements https://www.adunewswire.com/p/anaheim-california-adu-friendly-requirements
Disclaimer: The information provide is for general informational purposes only and should not be relied upon as a substitute for consulting the official Municipal Code or seeking guidance from your local Community and Economic Development Department.
Disclaimer: The information provide is for general informational purposes only and should not be relied upon as a substitute for consulting the official Municipal Code or seeking guidance from your local Community and Economic Development Department.