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  "headline": "Definition and Core Requirements for ADUs and JADUs in Los Angeles County",
  "author": {
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    "name": "YOR Construction & Investments, Inc."
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    "name": "YOR Construction & Investments, Inc.",
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  "articleBody": "Los Angeles County Planning defines an **Accessory Dwelling Unit (ADU)** as a residential unit with a **full kitchen and bathroom** that is accessory to a primary residential use, such as a single-family home or multifamily building. County guidance explains that an ADU may be **detached**, **attached**, or located within existing structures, and it must provide **independent living facilities**, including permanent provisions for cooking, sleeping, and sanitation. Planning materials emphasize that ADUs can be built on properties with a house or an apartment building and may be used as rental housing or as accommodation for family or caregivers on the same lot. The County also recognizes **Junior Accessory Dwelling Units (JADUs)**, which are similar in concept but more limited in size and configuration. According to Los Angeles County Planning, a JADU has a **maximum size of 500 square feet**, must be **wholly contained within the main home**, and must have its **own exterior access**. JADUs may share some infrastructure, and in practice often have more constrained kitchen configurations compared to full ADUs, consistent with statewide JADU standards in California’s Government Code. State-level guidance, summarized in industry explainers on California ADU law, notes that most full ADUs are allowed in the **800–1,200 square foot** range and must include an independent entry and complete kitchen and bath facilities to qualify. County materials also highlight that professional architects have developed pre-approved plans for different ADU types and sizes, reinforcing that the County treats ADUs as full, code-compliant dwelling units rather than informal additions. This regulatory framing affects building code compliance, permitting, utility connections, and eligibility for rental use.",
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  "datePublished": "2026-08-27",
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