Marital property and account titling (Zugewinngemeinschaft)
Zugewinngemeinschaft (community of accrued gains) is Germany's default marital property regime when spouses have not agreed otherwise in a notarized marriage contract. Each spouse retains separate property during marriage. When the regime ends, the law provides equalization, although death uses special inheritance rules. Marriage does not turn every asset or account into joint property [1][2].
Why it matters
Three questions are often collapsed into one: who owns an asset, who can access it, and who may have an equalization claim later. German law answers them separately. A sole account, joint account, power of attorney, and marital property regime solve different problems.
This distinction matters when a household maps net worth, receives an inheritance, opens a joint account, separates, or plans an estate. Account labels are useful evidence and determine what the bank permits, but they do not by themselves settle every family-law, tax, or inheritance claim.
The default regime
Under the Bürgerliches Gesetzbuch (German Civil Code), spouses live under Zugewinngemeinschaft unless a marriage contract selects another regime. Property owned before or acquired during marriage remains assigned to the spouse who owns it. The equalization mechanism generally operates only when the regime ends [1].
Zugewinn means the increase from a spouse's indexed initial net assets to final net assets. Gifts and inheritances receive special treatment in the initial-assets calculation; later appreciation can still affect the gain. If one spouse's gain exceeds the other's, the other generally has a monetary claim for half the difference, subject to statutory adjustments and limits [2][3].
Death is different. Under the standard statutory inheritance route, § 1371 BGB generally implements the equalization by increasing the surviving spouse's statutory inheritance share by one quarter rather than first calculating the actual gains. Other routes and exclusions exist, so a divorce-style calculation should not be reused for an estate [6].
Worked example
Assume the regime ends by divorce and ignore inflation adjustments, gifts, inheritances, and other statutory adjustments:
| Spouse | Initial net assets | Final net assets | Simplified gain |
|---|---|---|---|
| Lea | €20,000 | €140,000 | €120,000 |
| Sam | €80,000 | €140,000 | €60,000 |
The difference between the gains is €120,000 - €60,000 = €60,000. Half is €30,000, so the simplified equalization claim is €30,000. The two €140,000 final portfolios were not jointly owned during the marriage merely because the couple was married. The calculation creates a claim when the regime ends; it does not retroactively retitle every asset [2].
Real calculations can change because debt, inherited property, gifts, inflation indexing, dissipation of assets, agreements, and the way the regime ends all matter.
Account title controls access
| Arrangement | What the bank normally permits | What it does not prove by itself |
|---|---|---|
| Sole account | The account holder controls it; an authorized person may act within the mandate | That every euro is excluded from later family-law or estate claims |
| Oder-Konto (either-to-sign joint account) | Either account holder can usually transact alone | That the balance is finally owned in equal shares for every legal and tax purpose |
| Und-Konto (both-to-sign joint account) | Account holders generally act together | That the marital property regime has changed |
| Account power of attorney | The agent can perform permitted transactions | Ownership of the account balance |
Joint-account access also changes operational risk. With an Oder-Konto, one holder can transact without the other; with an Und-Konto, both normally must participate. Creditor access and what happens after a death can also differ [4].
A practical classification
For each major asset, record four separate fields:
- Legal owner or account holder: whose name is on the deed, custody account, policy, or bank contract?
- Access authority: who can transact now, and does that authority survive incapacity or death?
- Funding record: who contributed the money, and was any transfer intended as a gift or loan?
- Family-law treatment: which marital regime and cross-border law apply if the marriage ends?
A marriage contract can modify or replace the default regime, but German law requires notarial form. International couples also need an applicable-law analysis: an EU regulation coordinates matrimonial-property rules for participating states, and its result can depend on dates, residence, nationality, and any valid choice of law [5].
When professional review matters
Legal or tax review is proportionate when spouses have assets in more than one country, a business, a large pre-marriage portfolio, inherited property, unequal funding of a home, creditor exposure, or a planned marriage contract. The same applies before retitling a major asset: changing access or ownership can create gift-tax, inheritance, creditor, and family-law consequences.
This is general education, not legal or tax advice.
Check yourself
What does Germany's default Zugewinngemeinschaft do to property during marriage?
In a simplified divorce example, one spouse's gain is €120,000 and the other's is €60,000. Ignoring statutory adjustments, what is the equalization claim in euros?
A spouse has power of attorney over the other spouse's sole bank account. What does that establish?
A married couple has nationalities, residences, and assets in different countries. Which assumption is safest for analysis?
Sources
- Bundesministerium der Justiz — Bürgerliches Gesetzbuch, § 1363 Zugewinngemeinschaft, https://www.gesetze-im-internet.de/bgb/__1363.html (accessed 2026)
- Bundesministerium der Justiz — Bürgerliches Gesetzbuch, § 1378 Ausgleichsforderung, https://www.gesetze-im-internet.de/bgb/__1378.html (accessed 2026)
- Bundesministerium der Justiz — Das Eherecht, https://www.bmj.de/SharedDocs/Publikationen/DE/Broschueren/Eherecht.html (accessed 2026)
- Verbraucherzentrale — Girokonto: Was Sie darüber wissen sollten, section on Gemeinschaftskonto, https://www.verbraucherzentrale.de/wissen/geld-versicherungen/sparen-und-anlegen/girokonto-was-sie-darueber-wissen-sollten-4990 (2025)
- European Union — Regulation (EU) 2016/1103 on matrimonial property regimes, https://eur-lex.europa.eu/eli/reg/2016/1103/oj (2016)
- Bundesministerium der Justiz — Bürgerliches Gesetzbuch, § 1371 equalization upon death, https://www.gesetze-im-internet.de/bgb/__1371.html (accessed 2026)