A Guide for Families to German valuation: the three statutory methods; the 2023 reform that raised results materially; the 90 per cent treatment of let residential property and its extension to third countries; and the taxpayer’s right to prove a lower open market value.
German inheritance tax is charged on a statutory value, not on a price. The statute prescribes how the figure is reached, and for real property the prescribed figure can sit well above or well below what the house would fetch.
Since valuation dates from 1 January 2023 it sits above far more often than it used to.
The mistake this page exists to prevent is accepting the assessed value. The Valuation Act fixes a default, and it also gives the taxpayer an express right to displace that default by proving a lower open market value. After the 2023 reform that proof is frequently worth making, and it has to be made in the assessment procedure rather than argued later.
The second point is that valuation is the step that determines whether the allowances absorb the estate at all. An allowance of 400,000 euros against a house valued at 600,000 euros is a different matter from the same allowance against the same house valued at 900,000 euros.
(1) Real property is valued by comparison where comparable sales exist, by capitalised income for let residential and commercial property, and by asset value where neither method can be used.
(2) The Annual Tax Act 2022, effective for valuation dates from 1 January 2023, raised the assumed useful life from 70 to 80 years, reduced the capitalisation rates and increased the value factors in the asset-value method.
(3) The practical result is that German property now enters the tax base at figures materially above those produced under the old rules.
(4) Residential property that is let is brought in at 90 per cent of value under section 13d ErbStG.
(5) Following the Court of Justice of the European Union in case C-670/21, the German tax authorities extended that discount by decree of 19 June 2024 to property in third countries where information exchange is assured.
(6) Section 198 of the Valuation Act allows the taxpayer to substitute a proven lower open market value, normally by a qualified appraisal.
Part I. The three methods
The comparison method applies to condominiums and to one and two family houses where comparable sales exist, and it is the method closest to a market figure because it is built from actual transactions collected by the local valuation committee.
The capitalised income method applies to let residential, commercial and mixed-use property. It capitalises the achievable rent, which makes the capitalisation rate decisive: a lower rate produces a higher value, and the reform lowered the rates.
The asset value method applies where neither of the others can be used. It builds the figure from construction costs and land value, adjusted by factors the reform increased.
| Method | Applies to | Driven by |
|---|---|---|
| Comparison method | Condominiums, one and two family houses with comparables | Comparable sales collected locally |
| Capitalised income method | Let residential, commercial and mixed-use property | Achievable rent and the capitalisation rate |
| Asset value method | Property where neither other method can be used | Construction costs, land value and statutory factors |
Part II. What changed in 2023, and why it matters to an American heir
Three changes operated together. The assumed total useful life of a building rose from 70 to 80 years, which reduces the deduction for age and raises the value. The capitalisation rates fell, which raises the capitalised income figure. And the factors in the asset-value method rose, with a regional factor introduced.
For a family whose German asset is a single property, the effect is that an estate which would have sat within the allowances before 2023 may now exceed them. Nothing about the house changed; the statutory arithmetic did. This is the most common reason a family that took advice some years ago finds the present position worse than expected.
Part III. The two reliefs that remain, and the right to prove less
Residential property that is let is brought into the base at 90 per cent of its value under section 13d ErbStG. That relief was long confined to property within the European Union and the European Economic Area. After the Court of Justice of the European Union decided case C-670/21, the German tax authorities extended it by decree of 19 June 2024 to property situated in third countries where the exchange of information is assured, which brings American rental property within its scope and is a point many families and their advisers have not yet taken up.
The second route is section 198 of the Valuation Act, which permits the taxpayer to substitute a proven lower open market value. Proof in practice means an appraisal by a publicly appointed and sworn expert, or a sale of the property at arm’s length close to the valuation date. The burden is on the taxpayer, and the appraisal has to address the condition, the location and any defect that the statutory method cannot see.
Because the statutory methods are blind to condition, the properties where proof is most often worth making are the older ones: deferred maintenance, an unmodernised interior, a difficult layout, a long lease at below-market rent, a right of residence in favour of a surviving relative. None of those reduces the statutory figure, and all of them reduce what the property is worth.
Part IV. Practical steps
- Obtain the valuation assessment and read it. German property is assessed separately from the inheritance tax itself, and the figure in that assessment is what the tax is then charged on.
- Decide on an appraisal early. Section 198 proof is made within the assessment procedure. An appraisal commissioned after the inheritance tax assessment has become final is of no use.
- Check whether the property is let residential. If it is, the 90 per cent treatment applies, and since the 2024 decree it may apply to American rental property as well.
- Identify everything the statutory method cannot see. Condition, deferred maintenance, a right of residence and a below-market lease are the usual grounds on which a lower value is proved.
- Model the allowances against the statutory figure, not the market price. Whether an estate is taxable at all is decided on the statutory value.
Conclusion
Valuation decides whether German inheritance tax arises and how much of it. The statute prescribes a default figure that the 2023 reform raised materially, and it also gives the taxpayer an express right to prove a lower open market value. In an estate whose German asset is a single older property, exercising that right within the assessment procedure is usually the most valuable single step available.
Sections 176 and following of the Valuation Act (BewG): sections 182(2) and 183 (comparison method), sections 184 and following (capitalised income method), sections 189 and following (asset value method); section 198 BewG (proof of a lower open market value); the Annual Tax Act 2022 (JStG 2022), effective for valuation dates from 1 January 2023; section 13d ErbStG (90 per cent for let residential property); Court of Justice of the European Union, case C-670/21; decree of the German tax authorities of 19 June 2024 extending section 13d to third countries where information exchange is assured. Figures and statuses are stated as of September 2026.
- 13 October 2026: page created.
- Bewertungsgesetz, the German Valuation Act
- The three German valuation methods
- Appraisals and valuation
- Real estate in Germany
- Steuerbescheid, the German tax assessment
- Familienheim, the family home exemption
- German inheritance and gift tax for American families
- German real estate in an estate with American heirs
- The German family home exemption and the American heir
- German property income and the American owner
Contact
A family facing a German assessment on an older property often has grounds to prove a lower value. Ashford International Law PC advises families and their advisers on reviewing the German valuation assessment and the method applied; commissioning and framing a section 198 appraisal within the assessment procedure; claiming the 90 per cent treatment for let residential property, including property in the United States after the 2024 decree; modelling the allowances against the statutory value; appeals against valuation and inheritance tax assessments, alongside the family’s existing advisers or leading the United States side end to end.
The firm is led by attorney Caroline Esche Ashford, PhD, JD. A graduate of Columbia University Law School, her practice focuses on international estate planning and the cross-border taxation and administration of estates and trusts, including the valuation of German property for inheritance and gift tax. Dr. Ashford is also licensed to practice law in Germany. She advises in French and German as well as English.
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This guide is intended for general educational purposes and does not constitute legal or tax advice, nor does it create an attorney-client relationship. The matters described, the three valuation methods under the Valuation Act, the 2023 reform, section 13d ErbStG and the proof of a lower open market value under section 198 BewG, depend on the specific facts, assets, countries and states concerned and on the law in effect at the relevant time, and they change. Statuses and figures are stated as of September 2026 and must be confirmed before any decision. Nothing here is advice on any particular estate or transaction. A family in this situation should obtain advice from qualified counsel in each relevant country promptly, and before the valuation assessment becomes final.
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