Official wordingBricklaying, carpentry, or construction works
In plain termsbricklaying, carpentry and building trades, with an employer
GroupSkilled or semi-skilled work allowed only for an employer
ConditionProhibited as self-employment; a foreigner may do this skilled or semi-skilled work only when working for an employer (Clause 4).
SourceNotification of the Ministry of Labour RE: Prescription of the Prohibited Occupations for Foreigners (2020), English text hosted by the Department of Employment, read 28 October 2026

Penalties

  • A foreigner doing listed work, or work outside the permit: a fine of 5,000 to 50,000 baht, then deportation; the Department of Employment also states a two-year bar on applying for a new work permit (sections 8 and 101 of the Foreigners' Working Management decree as amended in 2018, per Department of Employment statements)
  • The employer: a fine of 10,000 to 100,000 baht for each foreigner; for a repeat offence up to one year in prison or 50,000 to 200,000 baht or both, and a three-year ban on employing foreigners (sections 9 and 102 as amended in 2018)
  • Superseded figures still quoted online: the original 2017 decree carried up to five years' prison or 2,000 to 100,000 baht for the foreigner and 400,000 to 800,000 baht per foreigner for the employer; the 2018 amendment replaced them (not current)

Others in the same group

Agriculture, animal husbandry, forestry or fishery, Mattress or quilt blanket making, Knife making, Shoemaking, Hat making, Dressmaking, Pottery or earthenware making.

Full list and the jobs expats ask about: occupations closed to foreigners. Income test for your nationality: working in Thailand.

The Baht is not a law firm. The notification governs; where the English translation and the Thai text differ, the Thai text is the law.