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Prefab ADU in San Diego County

Abodu makes and installs prefab homes for play, passive income and possibility in as little as 6 months.

About San Diego County

San Diego County's vibrant communities, beautiful landscapes, and fantastic weather make it a highly desirable place to live. Homeowners and investors alike are increasingly interested in accessory dwelling units (ADUs) as a way to add value to their properties and address the housing needs of the area. Prefab ADUs, in particular, have gained attention for their cost-effectiveness, speedier construction timeline, and modern design elements.

Benefits of having an ADU in San Diego County

ADUs offer several advantages for homeowners. They can provide additional rental income, accommodate family members, increase property value, and contribute to the community by addressing housing shortages. Moreover, as prefab units are constructed off-site and delivered ready to be installed, they promise a faster, more efficient, and less disruptive building process compared to traditional construction methods.

An Abodu One being installed with a crane.

An Abodu One being installed with a crane.

San Diego County ADU requirements

When planning to build a prefab ADU in San Diego County, you must adhere to specific requirements. The San Diego County Planning Department is the best place to learn about ADU requirements.


How much does an ADU cost in San Diego County?

San Diego county's ADU Resource Center has a lot of valuable information about building an ADU in your area. For detailed information about how much your ADU build will cost, Abodu offers no-nonsense pricing estimates.

Building Permits

How do I get an ADU permit in San Diego County?

The permitting process for building an ADU involves submitting detailed plans and documentation—such as floor plans, energy calculations, and engineering data—to the county planning department for review. The office will permit the homeowner or ADU company if the plans comply with local building codes and regulations.


What are the top ADU requirements in San Diego County?

Since ADUs are functional living spaces separate from the primary residence, California law requires secondary units to have access to basic utilities like water, sewage, and electricity. Additionally, each city within San Diego County Has specific requirements for ADU utilities like fire sprinklers and water meters.


How do I finance an ADU in San Diego County?

You can finance prefab ADU projects through various channels, including home equity loans, personal loans, or savings. Some prefab ADU companies also offer financing solutions, making the process easier for homeowners.

FAQs: Prefab ADUs in San Diego County

Fee schedules for ADU permits in San Diego County vary by city and unit size, but you can expect to pay a few thousand dollars. Find more information on your city's permitting page. Our Abodu Project Managers handle the permitting process for all prefab ADU builds.

California state law mandates a minimum distance of 4 feet between the ADU and a homeowner’s property line.

In San Diego County, ADUs may not exceed a floor area of 1,200 square feet. This measurement includes areas within the dwelling with a ceiling height of 7 feet or more but excludes garages.

ADUs often come equipped with several essential appliances, including, but not limited to:

  • Stove or cooktop

  • Refrigerator

  • Oven

  • Dishwasher

  • Washer and dryer

  • Water heater

  • HVAC system

These appliances enhance the comfort and functionality of any living space.

Whether you’re in Prefab ADU in Chula Vista, Prefab ADU in Oceanside or Prefab ADU in Poway, Abodu is ready to help you navigate the process of adding a beautiful, functional ADU to your home.

Get your backyard assessment.

Upgrade your property with a custom prefab ADU by Abodu. We off full end-to-end service, including permitting, site work, construction, and delivery. Schedule a call or visit our showroom today.

A crane installing an Abodu.
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