Are donations taxed in the same way as inheritances in the Canton of Basel-City?

Donations are generally subject to taxation in the Canton of Basel-City according to the principle of the degree of kinship, similar to succession. However, the terms of declaration, procedures and methods of payment may differ significantly. Contact the cantonal tax office for the exact procedures and to understand how the donations received in your specific case will be treated from a tax point of view.

Is the surviving spouse always exempt from inheritance tax in the Canton of Basel-City?

Many Swiss cantons, including the Canton of Basel-City, grant special protection to the surviving spouse, which may result in a total exemption or a significant reduction in the rate. However, the exact modalities, amount limits and conditions for benefiting from the exemption depend on the cantonal legislation in force. Check the current arrangements at the tax office to understand what protection your spouse is entitled to in your case.

What are the exact terms for declaring a succession in the Canton of Basel-City?

The terms for the declaration of succession vary according to cantonal legislation and may be subject to change. Generally, the return must be filed within a few months of death, but it is essential to verify the exact timeframe and manner of filing with the cantonal tax administration. Failure to meet deadlines results in penalties and default interest, so please contact the office as soon as possible.

What happens if I do not file the succession declaration within the established deadlines?

Failure to comply with the deadlines for the declaration of succession in the Canton of Basel-City entails administrative sanctions, default interest on the amount due and possible compulsory recovery proceedings of the unpaid tax. To avoid negative consequences, it is vital to file the return promptly and contact the tax office as soon as possible after death.

Who can help me in filling out the declaration of succession in the Basel-City Canton?

You can contact notaries, accountants or tax consultants specialising in inheritance law. The cantonal tax administration provides forms and general information, but not personalised legal assistance. A specialized professional will help you correctly calculate the tax, accurately fill out the required documentation and optimize the tax management of the inheritance.

Inheritance tax in the canton of Basel-City: rates and procedures

Di Marco Ferrari · Published on 24 August 2026

Tax administration office with fiscal documents and tax records on desk

Inheritance tax in the Canton of Basel-City: rates for degree of kinship, exemptions for spouse and descendants, declaration and filing deadlines.

Context

In a nutshell

Cantonal inheritance tax in the canton of Basel-City: variable rates by degree of kinship
Significant exemptions for spouse and direct descendants — progressive rates for distant relatives
Compulsory declaration within deadlines established by the cantonal administration
Procedure via official forms at the tax office: contact for updated details

Key facts

What: Cantonal tax on hereditary successions and donations in the Canton of Basel-City
Where: Canton Basel-City (BS), German-speaking Switzerland
Who: Heirs, legatees and donors second degree of kinship
Type: Cantonal tax (non-federal) — varies from canton to canton in Switzerland
Base: Degree of kinship — the closer the bond, the lower the rate
Exemptions: Surviving spouses and direct descendants enjoy a subsidized regime

The inheritance and gift tax in the Canton of Basel-City is a cantonal tax that affects the transfer of assets free of charge, both by inheritance and by donation. Unlike imposta federale diretta, che è uniforme in tutta la Svizzera, inheritance and gift taxes are governed entirely by cantonal laws: each Swiss canton has its own tax regimes, with rates and exemptions defined by its own legislation.

In the Canton of Basel-City, as in all cantons, the tax is divided according to the degree of kinship between the deceased (or donor) and the heir (or donor). The closer the relationship

Operational details

Rates, exemptions and degrees of kinship in the Canton Basel-City

In the Canton of Basel-City, as in the rest of Switzerland, taxation is divided into stages according to the degree of kinship. The main grades are organized as follows:

First Degree (Spouse and Children): The surviving spouse generally benefits from substantial tax protection. In many Swiss cantons, including the Canton of Basel-City, the spouse enjoys a total exemption or a significantly reduced rate. Similarly, children and direct descendants benefit from very low rates or partial exemptions, reflecting their order of priority in Swiss civil law.

Second degree (parents, brothers, sisters): Relatives in the second degree of kinship are subject to moderate rates, higher than those reserved for the spouse and children, but lower than those of the most distant degrees.

Third grade (grandparents, uncles, cousins) and higher grades: These subjects benefit from an even higher rate. Persons without kinship (friends, acquaintances, strangers) are subject to the maximum rates provided for by cantonal law.

To consult the exact rates applicable in the Canton of Basel-City, it is essential to contact the cantonal tax administration directly, as these rates may be subject to legislative changes and vary not only by degree of kinship, but also by amount brackets.

Exemptions for the

Key points

Procedure: How to Declare an Inheritance in the City of Basel

If you have been appointed as an heir or have received an inheritance in the City of Basel, you must follow a formal procedure to fulfill your tax obligations. Here are the main steps to follow:

Phase 1: Gather Essential Documents

Obtain the following documents:

Original will (if exists) or certificate of intestate succession
Death certificate of the deceased (extract from the register)
Documents related to the inherited assets (bank statements, stock certificates, real estate deeds, insurance policies)
Documentation regarding debts or liabilities of the inheritance (mortgages, credits, funeral expenses)
Marriage or birth certificates to prove the degree of kinship

Phase 2: Contact the Cantonal Tax Administration

Contacting the City of Basel's tax office is a crucial step. Reach out to the administration to:

Request the official forms for the inheritance declaration
Clarify the submission deadlines (usually within a few months of the death, but verify exactly)
Obtain specific information on the applicable tax rates for your degree of kinship
Understand if you are entitled to exemptions or reliefs

Phase 3: Complete the Inheritance Declaration

Fill out the official form, providing:

Personal details of the deceased (name, date of death, last residence)
Complete list of heirs and legatees with indication of the degree of kinship
Detailed inventory of all assets (active and passive)
Market value of each asset at the time of death
Total value of the inheritance and taxable base

Phase 4: Submission and Payment

Submit the declaration within the specified deadline at the cantonal tax office (in person, by mail, or through the digital platform, as indicated by the administration). The office will notify the amount of tax due based on the applicable tax rate for your degree of kinship. Payment must be made within the terms indicated in the notification.

Deadlines and Terms for Declaration

The deadlines for the inheritance declaration in the City of Basel vary depending on the current cantonal legislation and must be verified with the tax administration, as they may be subject to changes.

In general:

The declaration must be submitted within a few months of the death (the exact deadline varies - contact the office to confirm)
The notification of the amount due follows after the submission of the declaration
The tax payment must be made within the deadline indicated in the notification
Failure to comply with the deadlines may result in administrative penalties, interest, and potential coercive recovery procedures

Therefore, it is essential to act promptly and contact the tax administration as soon as possible after the death.

When to Seek Professional Help

Given the complexity of the matter and the variability of inheritance situations, it may be advisable to consult specialized professionals:

Notary: for issues of will validity, interpretation of the testator's will, and succession law
Tax consultant or accountant: for accurate tax calculation, form completion, and tax planning
Lawyer specializing in succession law: for disputes between heirs or complex legal issues
Cantonal administration: for clarification on tax rates, exemptions, deadlines, and updated forms

Investing in professional advice during the management of an inheritance protects your family's assets and ensures full compliance with tax obligations. Start today by contacting the City of Basel's tax office to obtain specific details for your case.

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Frequently Asked Questions

Are donations taxed in the same way as inheritances in the Canton of Basel-City?: Donations are generally subject to taxation in the Canton of Basel-City according to the principle of the degree of kinship, similar to succession. However, the terms of declaration, procedures and methods of payment may differ significantly. Contact the cantonal tax office for the exact procedures and to understand how the donations received in your specific case will be treated from a tax point of view.
Is the surviving spouse always exempt from inheritance tax in the Canton of Basel-City?: Many Swiss cantons, including the Canton of Basel-City, grant special protection to the surviving spouse, which may result in a total exemption or a significant reduction in the rate. However, the exact modalities, amount limits and conditions for benefiting from the exemption depend on the cantonal legislation in force. Check the current arrangements at the tax office to understand what protection your spouse is entitled to in your case.
What are the exact terms for declaring a succession in the Canton of Basel-City?: The terms for the declaration of succession vary according to cantonal legislation and may be subject to change. Generally, the return must be filed within a few months of death, but it is essential to verify the exact timeframe and manner of filing with the cantonal tax administration. Failure to meet deadlines results in penalties and default interest, so please contact the office as soon as possible.
What happens if I do not file the succession declaration within the established deadlines?: Failure to comply with the deadlines for the declaration of succession in the Canton of Basel-City entails administrative sanctions, default interest on the amount due and possible compulsory recovery proceedings of the unpaid tax. To avoid negative consequences, it is vital to file the return promptly and contact the tax office as soon as possible after death.
Who can help me in filling out the declaration of succession in the Basel-City Canton?: You can contact notaries, accountants or tax consultants specialising in inheritance law. The cantonal tax administration provides forms and general information, but not personalised legal assistance. A specialized professional will help you correctly calculate the tax, accurately fill out the required documentation and optimize the tax management of the inheritance.