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accessory dwelling unit

Steps to Build and ADU in Los Angeles


An ADU refers to an “Accessory Dwelling Unit”, which may also be referred to as an in-law unit, secondary unit, or Studio Apartment. It operates as an independent home with its own kitchen, bathroom, and bedroom. An ADU can be detached or connected to the main single-family dwelling on the property, depending on the property and its existing structures. The construction of an ADU may involve building it from scratch or converting a garage.

Building an ADU in Los Angeles has numerous advantages. With the cost of real estate and land in the LA area being very high, many individuals opt for adding more space on the property they already own as a more cost-effective and less stressful alternative to selling and moving. Not only is this type of structure more affordable, but it also offers extra living spaces beyond the main house, providing greater versatility for both homeowners and guests. Family members can reside near each other while still enjoying their privacy. Furthermore, renting out the ADU can serve as an additional source of income for homeowners, whether as a holiday rental or a long-term living space. Some of the most commonly used purposes for an ADU in Los Angeles include: Guest quarters, workspace, fitness center, cabana, holiday rental, long-term rental.


  1. Preliminary Consultation
  • During this phase, our crew will examine a satellite image of your location, carry out a preliminary feasibility study, and give you a rough cost estimate for the project.
  1. 3D Visualization
  • Our team will develop a comprehensive 3D design of your ADU, including a site visit to take measurements. The designer will then create a full 3D representation, with opportunities for revisions based on your feedback. Upon approval, we will present a comprehensive quote for the project.
  1. Drafting and Engineering
  • Our crew will transform the accepted 3D model into drafting and engineering-approved drawings necessary for the permitting process. This encompasses engineering analysis, energy efficiency analysis and certification, and plans for solar design. At the conclusion of this stage, you will receive a final contract with the final cost.
  1. Permitting
  • After the drafts are finished and the final contract is signed, our team will apply for construction permits from the local planning office. This process typically takes 5 to 6 weeks.
  1. Construction
  • Once the permits have been obtained, we will plan the installation of your ADU. The ADU will come in pre-fabricated sections that we will assemble and complete. We will oversee all subcontractors and coordinate all inspections.
ADU builders Los Angeles

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