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A co-owner is any person who holds ownership of a property jointly with at least one other person. Co-ownership often arises when a property is purchased jointly by married couples, domestic partners, or groups of investors, as well as through inheritance when multiple heirs receive a property. Legally, a distinction must be made between fractional co-ownership (Sections 741 et seq. of the German Civil Code (BGB)) and joint ownership (e.g., a civil law partnership (GbR) or a community of heirs). The choice of legal structure has far-reaching consequences for liability, freedom of disposition, and tax treatment-which is why seeking expert advice before a joint purchase is strongly recommended.
Each co-owner has a proportional right to use and enjoy the proceeds of the property in accordance with their ownership share. Decisions regarding management and use must generally be made jointly; in the case of fractional ownership, the BGB resolves contentious issues through majority decisions or-if no agreement is possible-through the dissolution of the community via a partition sale. Maintenance costs, utility expenses, and taxes are borne by all co-owners on a pro-rata basis. If a co-owner makes decisions unilaterally without the consent of the others, the remaining co-owners may claim damages.
Especially in investment partnerships, the rights and obligations of the co-owners should be set forth in a written agreement. This agreement should specify who is responsible for day-to-day management, how costs and revenues are divided, which decisions require a majority or unanimous vote, and what applies if a co-owner withdraws. Without such provisions, conflicts can quickly arise that may jeopardize the entire investment.
When a couple purchases a property, the land registry records each owner’s share-typically 50 percent each or in proportion to their contribution to the financing. For unmarried couples, a clear provision in the land registry and, if necessary, in a notarized partnership agreement is particularly important: separation or the death of a partner can lead to significant legal and financial problems without clear provisions. Married couples are not automatically co-owners under the community of accrued gains matrimonial property regime; the land registry entry is decisive.
A notarized co-ownership agreement should address at least the following points for unmarried couples: the agreed-upon ownership share and the basis for its calculation, the allocation of ongoing operating costs, the procedure in the event of separation (the other party’s right of first refusal, valuation, payment terms), and the provisions in the event of death (succession or the co-owners’ right of first refusal). Clearly regulating these points protects both partners from financial surprises in an already emotionally stressful situation.
If co-owners cannot reach an agreement, any one of them may demand the dissolution of the community at any time (Section 749 of the German Civil Code). In the case of real estate, this is achieved through physical division (division into separate units, where possible), private sale with division of proceeds, or-as a last resort-through a partition auction at the local court. The partition auction is often economically disadvantageous for all parties involved, as auction prices are regularly below market value. An early, constructive discussion with legal or real estate agent support is therefore the better alternative in almost all cases.
In practice, we frequently encounter co-ownership communities in dispute due to inheritance situations: Several heirs jointly own a house in Nuremberg or Franconia and cannot agree on a sale or personal use. In these cases, we mediate neutrally between the parties, determine the current market value, and develop proposed solutions that prevent a costly partition auction. Contact us early on-the sooner we are involved, the better the chances of reaching an amicable solution.
Co-ownership also has tax implications that are rarely given sufficient consideration during a joint purchase. For rental properties, the tax loss or gain is allocated to the co-owners according to their ownership share. A co-owner holding a 50 percent share pays tax on 50 percent of the rental income and can deduct 50 percent of the income-related expenses. A co-ownership agreement that deviates from this is not recognized under tax law-the share recorded in the land register is always decisive.
Regarding real estate transfer tax: The acquisition of a co-ownership share triggers real estate transfer tax on the proportionate purchase price. If one spouse later transfers their share to the other (e.g., after separation), a tax exemption may apply under certain circumstances-however, this does not apply in every case. A tax advisor should be consulted early on, especially if the ownership structure is to be changed.
Under inheritance and gift tax law, the co-ownership share must be valued at its market value (generally the proportional property value according to the Valuation Act). When a share is gifted to a spouse or children, corresponding tax-exempt allowances apply, but only if the transfer is properly documented and reported for tax purposes.
In principle, yes-in fractional ownership, each co-owner may sell their share. However, the other co-owners may have a right of first refusal under certain circumstances. In practice, the market for co-ownership shares is very limited; most buyers prefer unencumbered sole ownership.
The deceased’s share passes to their heirs. These heirs join the co-ownership community. If there is a will or an inheritance contract, it is advisable to seek early legal counsel from a notary to establish clear provisions for the inheritance.
Only with the consent of the other co-owners. Without an agreement, the court may set a usage compensation that the co-owner using the property alone must pay to the others.
Ideally, through a mutual agreement: one party buys out the others (based on a fair valuation), or all parties sell together and split the proceeds. As real estate agents, we help coordinate the sales process and ensure the proceeds are divided fairly.
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Important Disclaimer
The information, assessments, and legal notes in this real estate glossary serve solely as general orientation. Despite careful preparation, we assume no liability for the accuracy, completeness, or timeliness of the content. These contents do not replace individual legal or tax advice. We strongly recommend consulting a qualified attorney or tax advisor for specific matters.
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