Legislator Rechtsprechung & Gesetzgebung
811.1 STG CH-SG

Art. 137 Steuergesetz (StG) - 2. Aufwendungen

ZWEITER TEIL: STAATSSTEUERN - Vierter Abschnitt: Grundstückgewinnsteuer
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Art. 137 StG · 2. Aufwendungen

1. Als Aufwendungen sind anrechenbar

a) Ausgaben, die eine dauerhafte Werterhöhung des Grundstückes bewirkt haben, wie Kosten für Planung, Bau und Verbesserung;

b) Grundeigentümerbeiträge, wie Perimeterbeiträge für Bau und Korrektion von Strassen und Wegen, für Bodenverbesserungen und für Wasserbau;

c) durch eigene Arbeitsleistung geschaffene Mehrwerte, soweit diese mit der Einkommenssteuer erfasst wurden oder werden;

d) Schuldzinsen, soweit sie als Anlagekosten gelten;

e) Provisionen an Drittpersonen, soweit sie ortsüblich sind und für eine Tätigkeit entrichtet wurden, die zum Vertragsabschluss geführt hat;

f) die mit dem Erwerb und der Veräusserung unmittelbar zusammenhängenden Kosten;

g)* bei Teilveräusserung eines Grundstücks Verluste aus früheren Teilveräusserungen;

h)* Mehrwertabgaben nach dem Planungs- und Baugesetz vom 5. Juli 2016[55].

2. Aufwendungen, die steuerlich bereits abgezogen worden sind, werden nicht angerechnet.

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Gerichtsentscheide zu dieser Bestimmung (33)

B.2025.14 · sg (Art. 137 Abs. 1 lit. a StG)
Appeal Dismissed Regarding Real Estate Gains Tax on Commission and Value-Increasing Expenditures
The provision regarding deductible expenses for value-increasing outlays was cited in the reasoning concerning the rejection of the claimed value-increasing expenditures.
B.2025.14 · sg (Art. 137 Abs. 1 lit. e StG)
Appeal Dismissed Regarding Real Estate Gains Tax on Commission and Value-Increasing Expenditures
The provision regarding deductible expenses for agency commissions was cited in the reasoning concerning the rejection of the commission fee.
B.2025.14 · sg (Art. 137 Abs. 2 StG)
Appeal Dismissed Regarding Real Estate Gains Tax on Commission and Value-Increasing Expenditures
Cited in the background discussion regarding expenses already deducted for tax purposes.
B.2024.105 · sg (Art. 137 Abs. 1 lit. e StG)
Real Estate Gains Tax Deduction Disallowed for Commission Paid to Related Party LLC
The court confirmed the lower instance's decision not to recognize the broker's fee as a deductible expense based on the analysis under this provision.
B.2023.265 · sg (Art. 137 Abs. 1 lit. f StG)
Taxpayer Appeal on Property Gains Tax Calculation and Net Value Comparison Method
Applied to determine that mortgage arrangement costs are eligible as deductible expenses (Aufwendungen).
B.2024.30 · sg (Art. 137 Abs. 1 lit. a StG)
Capital Gains Tax Dispute: Qualification of Renovation Costs
This article defines what expenditures (specifically planning, construction, and improvement costs) qualify as deductible expenses for calculating real estate profit.
B.2023.245 · sg (Art. 137 StG)
Property Gains Tax Assessment: Acquisition Price, Deductible Expenditures, and Inheritance-Linked Transfer Value
Cited in the introduction concerning the deductibility of expenditures/allowances, which were substantially disputed.
I.1.2023.165 · sg (Art. 137 Abs. 1 lit. e StG)
Real Estate Gains Tax Deduction for Self-Dealing Brokerage Commission
This provision defines deductible expenses, specifically including provisions to third parties (brokerage fees), which was the central issue of the dispute regarding the deductibility of the commission.
I.1.2022.68 · sg (Art. 137 StG)
Taxable Gain Calculation Following Business Asset Withdrawal and Subsequent Transfers
Cited as the provision governing subsequent deductible expenses if the 20-year rule is applied (which the court ruled was inapplicable).
I.1.2021.49 · sg (Art. 137 Abs. 1 und 2 StG)
Real Estate Gains Tax Deferral Replacement Acquisition Cost Dispute
Cited concerning the calculation of deductible expenditures (Aufwendungen), relevant to determining both existing and reinvested costs.
I.1.2021.49 · sg (Art. 137 Abs. 1 StG)
Tax Deferral Denial on Real Estate Capital Gain Insufficient Reinvestment
This article defining deductible expenses was used to discuss which costs could be included in the acquisition costs.
I.1.2021.49 · sg (Art. 137 Abs. 2 StG)
Tax Deferral Denial on Real Estate Capital Gain Insufficient Reinvestment
This provision, excluding expenses already deducted for tax purposes from deductible acquisition costs, was applied to reject certain claimed costs.
I.1.2021.3 · sg (Art. 137 Abs. 1 StG)
Real Estate Gains Tax: Deductibility of Self-Performed Capital Costs for Basement Conversion
Cited in the reasoning to define what expenses are deductible as additions to the cost basis (Anlagekosten).
I.1.2021.3 · sg (Art. 137 Abs. 2 StG)
Real Estate Gains Tax: Deductibility of Self-Performed Capital Costs for Basement Conversion
Cited in the reasoning regarding the exclusion of expenses already deducted for income tax purposes.
I.1.2021.3 · sg (Art. 137 Abs. 1 lit. f StG)
Taxpayer Appeal on Property Gains Tax Deductions for Basement Conversion Costs
Cited in the reasoning section (Erwägung 4.aa) when discussing the non-deductibility of cleaning/moving costs as ancillary expenses.