Largest prefabricated house factory

- Who
- Ichijo Co., Ltd.
- What
- 1,252,482 square metre(s)
- Where
- Japan
- When
- 31 August 2024
The largest prefabricated house factory measures 1,252,482 m² (13,481,604 ft² 7 in²) and was achieved by Ichijo Co., Ltd. (Japan) in Cavite, Philippines, as verified by research conducted by an independent research company on 9 December 2024.
Ichijo Co., Ltd. also holds the Guinness World Records titles for the most solar-powered houses built - current and the best-selling custom home company – retail current.