### **20 Frequently Asked Questions About Building ADUs in San Diego & San Diego County**

**1. What is an ADU?**
An ADU (Accessory Dwelling Unit) is a secondary, self-contained residential unit on the same property as a single-family or multifamily home.

**2. What are the benefits of building an ADU in San Diego?**
ADUs provide additional housing, rental income, space for family, and increase property value, all while addressing the region’s housing shortage.

**3. Are there restrictions on where I can build an ADU in San Diego County?**
Yes, ADUs must meet zoning and land-use requirements specific to your city or county jurisdiction.

**4. What is the maximum size allowed for an ADU in San Diego?**
ADUs can be up to 1,200 square feet in most cases, but size limits depend on lot size, zoning, and other regulations.

**5. Can I build an ADU on a multifamily property?**
Yes, in many cases, multifamily properties can have multiple ADUs, depending on space and local guidelines.

**6. What are the setback requirements for ADUs in San Diego?**
Typically, ADUs must have at least a 4-foot rear and side yard setback, but requirements can vary by location.

**7. Do I need a permit to build an ADU in San Diego County?**
Yes, ADUs require building permits, and sometimes additional approvals, depending on the scope and location.

**8. How long does it take to build an ADU in San Diego?**
The timeline varies but typically ranges from 6 to 12 months, including design, permitting, and construction.

**9. How much does it cost to build an ADU in San Diego?**
Costs can range from $150,000 to $400,000 or more, depending on size, materials, and finishes.

**10. Are there financing options for building an ADU?**
Yes, financing options include home equity loans, cash-out refinancing, construction loans, and ADU-specific financing programs.

**11. Do ADUs require separate utility connections?**
It depends on the design, but detached ADUs often require separate connections for water, gas, and electricity.

**12. Can I rent out my ADU in San Diego?**
Yes, ADUs can be rented as long as they comply with local regulations, including short-term rental restrictions.

**13. What parking requirements apply to ADUs in San Diego?**
Parking requirements for ADUs are typically waived if located near public transit or within specific urban zones.

**14. Are there design guidelines for ADUs in San Diego County?**
Yes, design guidelines ensure ADUs blend with the main home and neighborhood aesthetics.

**15. Can I convert my garage into an ADU?**
Yes, garage conversions are a popular way to create an ADU and often have fewer zoning hurdles.

**16. Are there any incentives for building ADUs in San Diego?**
Yes, some cities offer fee waivers, expedited permitting, or grants for building ADUs to promote housing solutions.

**17. What is the difference between a JADU and an ADU?**
A JADU (Junior Accessory Dwelling Unit) is a smaller unit (up to 500 square feet) typically built within the main house, while an ADU can be detached or attached.

**18. Can I build more than one ADU on my property?**
In some cases, you may be allowed to build an ADU and a JADU, depending on zoning laws and lot size.

**19. Do ADUs in San Diego need to meet energy efficiency standards?**
Yes, all ADUs must comply with California Title 24 energy efficiency standards.

**20. Can ADUs be used for multigenerational housing?**
Absolutely! ADUs are an excellent option for accommodating extended family while maintaining privacy.

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