Thailand Commercial Maintenance: Landlord & Tenant Duties
Guide to commercial property maintenance responsibilities in Thailand covering NNN lease allocations, building code compliance, and repair obligations.
Legal Disclaimer
This content is for general informational and educational purposes only. It does not constitute legal advice and should not be relied upon as such. Laws change frequently — always verify current regulations and consult a licensed attorney in your jurisdiction for advice specific to your situation. Landager is a property management platform, not a law firm.Information last verified: May 2026.
Commercial property maintenance in Thailand depends primarily on the terms of the lease agreement, particularly whether it is a Gross or NNN (Triple Net) lease. The baseline legal responsibilities are governed by the Civil and Commercial Code (CCC), which was promulgated in stages (Books I-II in 1923, Book III in 1924, and subsequent books through 1934), with Books I-III becoming effective on 1 April 1925.
Responsibility Allocation by Lease Type
Default Legal Position
Under the Civil and Commercial Code (CCC), if the lease is silent on maintenance:
- Lessor Delivery (Section 546): The landlord is bound to deliver the property hired in a good state of repair.
- Major Repairs (Section 550): The landlord is liable for any defects which arise during the contract and must make all repairs which may become necessary, except those which are by law or custom to be done by the tenant.
- Ordinary Maintenance (Section 553): The tenant is bound to take as much care of the property as a person of ordinary prudence and is responsible for ordinary maintenance and petty (minor) repairs.
- Liability for Damage (Section 562): The tenant is liable for any loss or damage caused to the property by their own fault, excluding damage from proper use.
- Statutory Limitation (Section 563): No action by the landlord against the tenant in connection with the contract of hire can be entered later than six months after the return of the property.
Building Code Compliance
Commercial properties must comply with the Building Control Act B.E. 2522 and its amendments:
- Building Use Certificate (Section 32): Owners of 'controlled-use buildings' (including commercial buildings, offices, and retail spaces) must obtain a Building Use Certificate (Or. 6) from local authorities.
- Mandatory Safety Inspections (Section 32 bis): Annual safety inspections by a registered inspector are required for nine specific building categories:
- High-rise buildings (23m+ height).
- Extra-large buildings (10,000 sqm+ area).
- Public assembly buildings.
- Theaters.
- Hotels (80+ rooms).
- Entertainment venues (200 sqm+).
- Residential buildings (2,000 sqm+).
- Factories (2+ stories and 5,000 sqm+).
- Large billboards.
- System Standards: Electrical, fire safety (sprinklers, alarms), and structural systems must meet standards defined by Ministerial Regulations, often referencing Engineering Institute of Thailand (EIT) benchmarks.
Best Practices for Landlords
- Detail maintenance responsibilities in the lease
- Create a preventive maintenance schedule for major systems
- Conduct regular property inspections
- Keep complete maintenance records
Sources & Official References
Frequently Asked Questions
▶What are the key landlord-tenant laws in Thailand?
Thailand's rental property legislation is anchored by the Civil and Commercial Code (CCC) and the strict OCPB Notifications for professional landlords. As of 2026, compliance for foreign owners has become a primary focus of government enforcement. This guide covers the essential compliance requirements for property owners and landlords.
Read the complete guide▶What is the legal eviction process for landlords in Thailand?
The eviction process in Thailand requires landlords to follow formal legal procedures. Valid grounds typically include non-payment of rent, lease violations, or the landlord's personal use of the property. Landlords must provide proper written notice, allow any required cure periods, and may need to obtain a court or tribunal order. Self-help evictions are generally prohibited.
Read the complete guide▶What are the rent increase limits and caps in Thailand?
Thailand has specific rules governing when and how landlords can increase rent. These rules may include caps on the percentage of increase, minimum notice periods, and restrictions on frequency. Landlords must comply with all applicable regulations when raising rent on existing tenancies.
Read the complete guide▶What are the security deposit rules and return deadlines in Thailand?
Thailand has rules governing how much landlords can charge as a security deposit, how deposits must be held or protected, and the timeline for returning deposits after a tenancy ends. Landlords must provide itemized statements of any deductions and comply with all statutory deadlines to avoid penalties.
Read the complete guide▶What are the mandatory lease requirements in Thailand?
Lease agreements in Thailand must comply with applicable national and local laws. Required elements typically include the names of both parties, property description, rent amount and payment terms, deposit details, lease duration, and maintenance responsibility allocation. Written leases may be required for certain tenancy types or durations.
Read the complete guide▶What are the landlord maintenance and repair obligations in Thailand?
Landlords in Thailand are generally required to maintain rental properties in a habitable condition, keeping the structure, plumbing, electrical systems, and essential services in proper working order. The specific allocation of maintenance responsibilities between landlord and tenant should be clearly documented in the lease agreement.
Read the complete guide▶What are the late fee and penalty rules for rental properties in Thailand?
Thailand has specific rules regarding late fees and penalties for overdue rent. These may include mandatory grace periods, caps on late fee amounts, and restrictions on interest charges. Late fee provisions should be clearly stated in the lease agreement and must comply with local regulations to be enforceable.
Read the complete guide▶What property disclosures are landlords required to make in Thailand?
Landlords in Thailand must disclose relevant information about the property to prospective tenants before the lease is signed. Required disclosures typically include known material defects, environmental hazards, previous damage history, and any conditions that could affect the tenant's use and enjoyment of the property.
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