{
  "section": "4751",
  "code": "California Civil Code",
  "law_code": "CIV",
  "citation": "California Civil Code § 4751",
  "heading": "Accessory Dwelling Units and Junior Accessory Dwelling Units",
  "heading_is_editorial": true,
  "effective": "2024-03-25",
  "amended_by": "Amended by Stats. 2024, Ch. 7, Sec. 2. (SB 477) Effective March 25, 2024.",
  "official_credit_line": "Amended by Stats. 2024, Ch. 7, Sec. 2. (SB 477) Effective March 25, 2024.",
  "official_url": "https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CIV&sectionNum=4751.",
  "page_url": "https://quoroom.org/law/adu",
  "pending_amendment": {
    "bill": "AB 956",
    "author": "Assembly Member Quirk-Silva (Coauthors: Assembly Members Carrillo and Wicks) (Coauthor: Senator Wiener)",
    "act": "An act to amend Sections 714.3 and 4751 of the Civil Code, and to amend Section 66323 of the Government Code",
    "chapter": "791",
    "statutes_of": "2026",
    "citation": "Stats. 2026, Ch. 791 (AB 956)",
    "chaptered": "2026-09-29",
    "effective": "2027-01-01",
    "act_effective": "2027-01-01",
    "urgency": false,
    "verb": "amended",
    "official_url": "https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=202520260AB956",
    "checked": "2026-10-12",
    "renumbered": {},
    "renumbered_count": 0,
    "changes": [
      {
        "id": "a",
        "label": "(a)",
        "was_id": "a",
        "change": "amended",
        "was": "Any covenant, restriction, or condition contained in any deed, contract, security instrument, or other instrument affecting the transfer or sale of any interest in a planned development, and any provision of a governing document, that either effectively prohibits or unreasonably restricts the construction or use of an accessory dwelling unit or junior accessory dwelling unit on a lot zoned for single-family residential use that meets the requirements of Article 2 (commencing with Section 66314) or Article 3 (commencing with Section 66333) of Chapter 13 of Division 1 of Title 7 of the Government Code, is void and unenforceable.",
        "now": "Any covenant, restriction, or condition contained in any deed, contract, security instrument, or other instrument affecting the transfer or sale of any interest in a planned development, and any provision of a governing document, that either effectively prohibits or unreasonably restricts the construction or use of an accessory dwelling unit or junior accessory dwelling unit on a lot zoned to allow single-family residential use that meets the requirements of Article 2 (commencing with Section 66314) or Article 3 (commencing with Section 66333) of Chapter 13 of Division 1 of Title 7 of the Government Code, is void and unenforceable."
      }
    ],
    "note": "Enacted law that has not yet taken effect. The text in `subdivisions` is the text in force; these are the changes already signed, with the date each starts. Not present in the Legislative Counsel's code tables until then."
  },
  "version_history": [],
  "verified": "two sources agree",
  "verification_note": "Text taken verbatim from the Legislative Counsel of California official code database and checked word for word against an independent publisher.",
  "sources": [
    {
      "url": "https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zip",
      "accessed": "2026-10-11",
      "name": "leginfo (Legislative Counsel official bulk code database, LAW_SECTION_TBL)",
      "note": "Authoritative. Retrieved with tools/fetch.py, which reads the archive's central directory by HTTP range request and fetches only this section's member. The leginfo.legislature.ca.gov HTML page sits behind a bot challenge; this is the same database that backs it."
    },
    {
      "url": "https://california.public.law/codes/civil_code_section_4751",
      "accessed": "2026-10-11",
      "name": "California Public Law (Public.Law)",
      "note": "Independent publisher, used to check the text word for word.",
      "edition": "2025"
    }
  ],
  "subdivisions": [
    {
      "id": "a",
      "label": "(a)",
      "text": "Any covenant, restriction, or condition contained in any deed, contract, security instrument, or other instrument affecting the transfer or sale of any interest in a planned development, and any provision of a governing document, that either effectively prohibits or unreasonably restricts the construction or use of an accessory dwelling unit or junior accessory dwelling unit on a lot zoned for single-family residential use that meets the requirements of Article 2 (commencing with Section 66314) or Article 3 (commencing with Section 66333) of Chapter 13 of Division 1 of Title 7 of the Government Code, is void and unenforceable.",
      "anchor": "https://quoroom.org/law/adu#s4751-a"
    },
    {
      "id": "b",
      "label": "(b)",
      "text": "This section does not apply to provisions that impose reasonable restrictions on accessory dwelling units or junior accessory dwelling units. For purposes of this subdivision, “reasonable restrictions” means restrictions that do not unreasonably increase the cost to construct, effectively prohibit the construction of, or extinguish the ability to otherwise construct, an accessory dwelling unit or junior accessory dwelling unit consistent with the provisions of Article 2 (commencing with Section 66314) or Article 3 (commencing with Section 66333) of Chapter 13 of Division 1 of Title 7 of the Government Code.",
      "anchor": "https://quoroom.org/law/adu#s4751-b"
    }
  ]
}