Tax office Konstanz

Informative

From October 9, 2025 at the latest, online transfers to the tax office will also be subject to an automatic comparison between your payee details and the ownership of the target account.

Simply send us your message (including attachments) online from home. To do this, open the contact form on the website of your tax office. Your entries will be transmitted securely, in accordance with tax secrecy and free of charge.

Our virtual colleague will answer your questions about tax law and procedures around the clock. Without any officialese. Try him out!

Contact us

You need an appointment for your on-site visit to the Service Center.

Further contact options

Welcome to the website of the tax office Konstanz! Here you will find information about the tax office: electronic tax returns, various tax topics, your contact persons at the tax office and our training opportunities. Our tax chatbot can provide you with information on many tax-related questions directly on this website around the clock. If you have specific questions, we will of course also be happy to help and advise you in person. Please use our contact form or make an appointment online.

Your office manager Albrecht Zeitler

Forms

Bank details

Cross-border commuter

Officially making a difference in the country

Making an official difference

Bayrisches Landesamt für Steuern

ELSTER

Public service

Foreign companies

Tax office Konstanz

Informative

Recipient verification for online transfers (Verification of Payee, VoP)

The fast and secure way to contact your tax office

Control chatbot

Latest news

Contact us

Further contact options

Citizen and consultant survey 2025/2026

ELStAM and children

Foundation of a non-profit association

Study

Double housekeeping

Study costs

My first income tax return

Deferral of settlement

Steps towards the new property tax in BW (agriculture and forestry)

Steps towards the new property tax in BW (real estate)

Childcare costs

Energy-efficient refurbishment measures

Craftsman costs

Cross-border commuter

Issuing a direct debit authorization

How do I read my income tax assessment?

Deadline for filing the income tax return

NV certificate

Death of the spouse

Allowance for travel expenses

Sale of real estate

Income replacement benefits

Obligation to retain documents

I have moved

Medical expenses

The tax identification number

Contact with the tax office

Tax class change for separation with child

Tax class change for working spouses

Appeal against the tax assessment

When does a pensioner have to submit a tax return?

Tax class change in the event of separation

The tax bracket after the wedding

Advance payments explained simply

Easy switch to My ELSTER - and much more