KOH SAMUI, THAILAND – The local administration on the holiday island investigated suspected irregularities in building permits after indications of forged government documents emerged.
Call to property owners after social media post
Municipal legal officer Pallop Meepian publicly asked on 21 March that owners of villas and other buildings review their building permit papers once again. He urged them to scrutinise approvals and related documents for any inconsistencies.
Anyone who found irregularities or doubted the authenticity of their documents was told to contact the Koh Samui City Municipality immediately, as cases involving forged official papers had already been detected. The appeal was issued after concerns circulated online about the integrity of some permits.
Concerns over hillsides and luxury villas
The post drew a strong response, with many island residents voicing similar fears about the legality and safety of certain construction projects. Commenters questioned whether all developments complied with regulations and safety standards.
According to the reactions, particular attention fell on luxury villas, often owned by foreigners and built on hillsides or elevated areas where structural stability and construction quality were especially sensitive. Locals worried that any shortcuts in the permit process could translate into physical risks on steep terrain.
Mayor confirms investigation and warns of consequences
Mayor Ramnet Jaikwang later confirmed that the matter was not a rumour and that the municipality was now gathering evidence. He said officials were compiling documents and witness statements.
“If the evidence implicates individuals, we will act strictly according to the law,”
said Jaikwang, mayor, signalling that legal steps were being prepared.
Police complaint over forged signature and first leads
In connection with the suspicions, it emerged that on 20 January a municipal officer had filed a complaint with police on Koh Samui because his signature had allegedly been forged. The incident predated the public appeal but later fed into the broader probe.
The officer stated he had never authorised anyone to sign on his behalf, giving investigators a concrete lead on possible document forgery. This testimony was expected to help trace how questionable permits were created and approved.
Almost ten suspect permits and payment demands alleged
According to investigative sources, inspections in the Koh Samui district had by then identified almost ten building permit cases in which the “authorised person” was believed not to have signed the documents personally. The approvals appeared to have passed through the system despite this discrepancy.
The papers were allegedly prepared by lower-ranked staff members for operators, accompanied by claimed payments of around 100,000 baht per case. At the same time, there was a lingering suspicion that such practices would hardly be possible without knowledge higher up the chain of command.
Review of 2024–2025 checks and ongoing cases
Already in 2024 and 2025, a taskforce investigating land encroachment and environmental damage had examined construction activities, land ownership and foreign-run businesses on the island. It worked together with agencies including Internal Security Operations Command Region 4 and the Office of the Ombudsman.
Reports stated that more than 100 buildings were found to be linked to unlawfully issued permits, including approvals for restricted zones or those breaching environmental rules. Several related cases remained under investigation by the National Anti-Corruption Commission (NACC) and the police.
Similar doubts in Rayong after Chinese-language notice
At the same time, a construction project in Rayong province caused unease, as residents in Ban Khai district pressed authorities to verify the necessary permits. Locals questioned whether procedures had been fully followed.
The trigger was a Chinese-language sign at a factory construction site in the community, which raised questions about transparency, the operator’s structure and formal authorisation. Residents wanted clarity on who stood behind the project and what approvals had been granted.
Public trust at stake
The developments on Koh Samui illustrated how quickly confidence in authorities could erode when construction, money and signatures converged in an opaque system. Suspicions over forged documents and hillside villa projects sharpened calls for accountability.
The debate also touched on whether building approvals and inspections on heavily touristed islands should be monitored more strictly at a central level, or whether tough local law enforcement was sufficient. Observers saw the ongoing cases with NACC and the police as a test of how effectively Thailand could tackle such allegations.