Key takeaway: Costa Rica's Income Tax Law taxes income of Costa Rican source, defined as income generated exclusively in the national territory, with a limited exception for foreign passive income of non-qualified multinational-group entities. This page reports what the official texts say and does not decide any person's tax position.

The territorial rule

Article 1 of the Income Tax Law taxes profits of individuals, companies and unincorporated bodies that are domiciled in the country and carry out profit-making activities of Costa Rican source. Costa Rican-source income is income generated exclusively in the national territory, from services provided, goods located, capital invested and rights used. The law applies this regardless of the nationality, domicile or residence of the people involved. An exception: certain passive foreign-source income (dividends, interest, royalties, capital gains and capital income) is taxed only when an entity of a multinational group obtains it and the entity is classed as non-qualified under article 2 bis.

Who counts as domiciled

For individuals, the law sets domicile status at the close of each fiscal period, except for special cases set in the regulation. The fiscal period runs from the first of January to the thirty-first of December. The regulation says an individual is domiciled if they stay in the country, continuously or not, for more than 183 days in the fiscal period, including entry and exit days. For income taxes other than the profits tax whose period is not annual, such as the monthly salary tax, the regulation counts the 183 days over the twelve months before the tax is settled.

Counting days and short trips abroad

When counting the days, the tax administration counts short trips abroad (absences of no more than 30 continuous calendar days, with regular returns to Costa Rica) as days in the country, unless the person proves with a tax-residence certificate that they are tax resident in another country. Absences longer than 30 continuous calendar days are not counted toward the 183 days. The reference is the movement record of the Dirección General de Migración y Extranjería.

Salary tax scale for 2026

Executive Decree 45333-H, published in La Gaceta No. 229 of 5 December 2025, updates article 33 of the Income Tax Law (Law 7092) for the monthly salary tax from 1 January 2026. Monthly income up to ¢918.000,00 is not subject to the tax. The excess over ¢918.000,00 and up to ¢1.347.000,00 pays 10%. The excess over ¢1.347.000,00 and up to ¢2.364.000,00 pays 15%. The excess over ¢2.364.000,00 and up to ¢4.727.000,00 pays 20%. The excess over ¢4.727.000,00 pays 25%. The decree describes the change as an adjustment of -0,38% and repeals Decree 44772-H. The consolidated text of Law 7092 on the legislation portal may still show the 2025 amounts in its default view. The law requires the Executive branch to update the exempt amount and the brackets every year.

Salary-tax credits under Decree 45333-H

For 2026 (from 1 January 2026), the decree sets a monthly salary-tax credit of ¢1.710,00 for each child and ¢2.590,00 for a spouse. The law allows the child credit only for a child who is a minor, who cannot support themselves because of a physical or mental incapacity, or who is in higher studies and not older than 25. If both spouses are taxpayers, each child can be deducted by only one of them. If both spouses are taxpayers, the spouse credit can be deducted in full by only one of them. The law requires the Executive branch to readjust these credits in each fiscal period.

Withholding and non-domiciled workers

The regulation says the salary tax applies to individuals domiciled in the country, for dependent work or pensions. The employer withholds it on the worker's total monthly income, and the regulation calls it single and definitive. Article 26 of the law, headed 'Foreigners who provide services in the country', says non-domiciled people with Costa Rican-source income from personal services of any kind pay 15% of gross income without deductions, and the payer must withhold it.

Self-employed income scale for 2026

For the 2026 fiscal period (from 1 January 2026), article 4 of Decree 45333-H, applying Law 10667 of 17 March 2025, sets this annual scale of taxable income for individuals with profit-making activities. Taxable income up to ¢6.244.000,00 a year is not subject to tax. The excess over ¢6.244.000,00 and up to ¢8.329.000,00 pays 10%. The excess over ¢8.329.000,00 and up to ¢10.414.000,00 pays 15%. The excess over ¢10.414.000,00 and up to ¢20.872.000,00 pays 20%. The excess over ¢20.872.000,00 pays 25%. For 2026, annual credits are ¢20.520,00 per child and ¢31.080,00 for a spouse.

The annual return

The law sets two months and fifteen calendar days after the fiscal period ends for the sworn return and payment. People with only dependent-work or pension income under the single salary tax are not required to file it.

Registering with the tax administration

The regulation says individuals with profit-making activities must register when the activity starts, with the Taxpayer Registry of the Tax Administration. Someone who stops those activities has ten business days to deregister. The Ministry of Hacienda's question-and-answer document says an individual, Costa Rican or foreign, can file the registration declaration through its Virtual Office, with a valid document such as an identity card, a DIMEX or a NITE, and must meet the Tax Administration's requirements. For foreigners it adds: older than 18, an "active" civil-registry status, and a tax status of not registered, deregistered or deregistered ex officio by the tax administration. The same document says that, for security reasons, access to the Ministry's systems, including the Virtual Office, is restricted to Costa Rican territory. Someone who needs to log in to these systems from abroad must complete form MH-DOM-PRO01-FOR-013 (request for access to systems outside the country).

What this page does not cover

This page does not cover the separate tax on Costa Rican-source capital income and capital gains, the tax on payments sent to people domiciled abroad, the company income tax scale, how self-employed people calculate their taxable income (deductible expenses, or the optional flat deduction for independent personal services), CCSS health-insurance and other payroll contributions, value-added tax, double-taxation agreements, property taxes, immigration residence categories, or how the rules apply to a specific remote-work or business set-up. Check the official pages for them.

Questions before acting

Does Costa Rica tax income earned abroad?

The Income Tax Law defines Costa Rican-source income as income generated exclusively in the national territory, regardless of the nationality, domicile or residence of the people taking part in the transactions. It names an exception: certain passive foreign-source income, such as dividends, interest and royalties, obtained by a non-qualified entity of a multinational group. The page does not decide any person's case.

How many days make someone domiciled for income tax?

The regulation says an individual is domiciled if they stay in the country, continuously or not, for more than 183 days in the fiscal period, counting the days of entry and exit. Absences longer than 30 continuous calendar days are not counted toward the 183 days. For income taxes other than the profits tax whose period is not annual, such as the monthly salary tax, the regulation counts the 183 days over the twelve months before the tax is settled.

What is the 2026 monthly salary tax scale?

From 1 January 2026, Executive Decree 45333-H sets no tax on monthly income up to ¢918.000,00; 10% on the excess up to ¢1.347.000,00; 15% on the excess up to ¢2.364.000,00; 20% on the excess up to ¢4.727.000,00; and 25% on the excess above that.

Must an employee file the annual income tax return?

The law and the regulation say people who receive only dependent-work or pension income under the single salary tax are not obliged to file the annual return. The regulation says the employer withholds the salary tax on the worker's total monthly income.

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About the author

António Mira is the founder of whereTOemigrate. For over a decade he has worked at the intersection of Portuguese real estate and overseas business, helping international clients navigate the cross-border decisions that come with relocating. He sits on the board of CCIAP (Portuguese-Arab Chamber of Commerce), the Portuguese-Saudi Business Council, and the Portugal-Hong Kong Business Association — always with one focus: enabling overseas business and human mobility into and out of Portugal.

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