Selling property in Otelfingen: a direct S 6, but no median

For residential building land in Otelfingen, the cantonal model sets a 2025 value of CHF 957 per square metre.⁷ In 2015 it was CHF 750, an increase of 27.6 per cent. As its typical range, the model gives CHF 673 to CHF 1,365.

Another measure is based on prices actually paid. It exists only for the canton as a whole. There, building land cost a median of CHF 1,742 per square metre in 2021 to 2025, and CHF 800 in 2011 to 2015.⁷ Model and price paid can only be set side by side roughly, because they come about differently.

For your own plot, the model value is a starting point. It applies to bare land; it knows neither the location of your plot nor the house on it. The building adds its age, condition and fit-out, which plans and receipts can document. That produces a figure for your own house.

Otelfingen station lies on the municipality's own territory. From there the S 6 runs to Zürich HB without changing, from 25 minutes.⁵ That says nothing about the number of sales. In 2007, 5 houses and 6 flats sold on the open market, in 2015 it was 8 and 5, in 2025 just 6 and 4.²

A median needs at least 15 sales of one property type in the same year, and Otelfingen stayed well below that each time. In 2025 houses were nine sales short of the threshold, flats eleven. A good connection does not automatically turn a place into a market with an official benchmark.

That leaves the district and the region as a setting. In Dielsdorf district 193 flats sold in 2025, at a median of CHF 920,000.² The smaller Furttal planning region, to which Otelfingen belongs, counts 69 sales and a median of CHF 900,000. Both mix many places and do not replace a derivation for your property.

Otelfingen levies it, under the cantonal tariff.¹ Only the gain is taxable. The first CHF 4,000 is taxed at 10 per cent, gains above CHF 100,000 at 40 per cent. After 10 full years of ownership, you pay 20 per cent less.

The reduction then keeps rising, up to 50 per cent from 20 full years. In the example that means CHF 40,700 instead of CHF 65,120.¹ If you bought more than 20 years ago, the market value of 20 years ago can serve as the purchase price. Documented value-adding investments reduce the gain; plain upkeep does not.

A deferral requires that you lived in the old property yourself. You must also buy a new home in Switzerland to live in.¹ A new property cheaper than the proceeds leaves the difference taxable at once. If the new one costs no more than the old purchase price plus investments, there is no deferral.¹⁰ Deferred is not waived.