# 民法 / Civil Code — 第二百四十二条 (Article 242)

- Law: 民法 (Civil Code), 明治二十九年法律第八十九号
- English title "Civil Code": Ministry of Justice translation
- Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say.
- Provision: 第二百四十二条 (Article 242)（不動産の付合） — address `art-242`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/art-242
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-242
- Every provision below carries its address and both URLs on the line under it.
- Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below.

Only the Japanese as published by the government has legal effect; the text
below is a copy of it. Every English rendering below is a translation and
says which kind: the Ministry of Justice's translation, or this
site's machine translation, whose model and date the Sources list names.
They are never merged and never substituted for one another.

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### 第二百四十二条（不動産の付合） — (Accession to Immovables)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-242 · https://japanlaw.org/ja/civil-code/art-242 · https://japanlaw.org/l/129AC0000000089/art-242</sup>

    **第一項**  不動産の所有者は、その不動産に従として付合した物の所有権を取得する。ただし、権原によってその物を附属させた他人の権利を妨げない。
    <sup>art-242/par-1 · https://japanlaw.org/ja/civil-code/art-242/par-1 · https://japanlaw.org/l/129AC0000000089/art-242/par-1</sup>
    The owner of immovables acquires ownership of a thing that has been attached thereto as its appurtenance; provided, however, that the rights of the other person that attached that thing by virtue of a title are not prejudiced.
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

## Cited by

2 provisions cite this one. No official source publishes this direction.

- 民法 第二百四十七条第一項（付合、混和又は加工の効果） — https://japanlaw.org/ja/civil-code/art-247/par-1 · https://japanlaw.org/l/129AC0000000089/art-247/par-1
- 民法 第二百四十八条第一項（付合、混和又は加工に伴う償金の請求） — https://japanlaw.org/ja/civil-code/art-248/par-1 · https://japanlaw.org/l/129AC0000000089/art-248/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 民法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/129AC0000000089/20260624_508AC0000000045), retrieved 2026-10-11
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Civil Code — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4848/tb), retrieved 2026-10-11
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11