Selling property in Böztal: figures and rules

Anyone selling in Böztal will find no official price figure. The Canton of Aargau keeps no median prices by municipality; the Canton of Zurich does. Portal values for Böztal rest on offers, not on completed sales.

What is on record is the stock: Böztal has 943 buildings with residential use in the Laufenburg district. 631 of them are single-family houses, or 66.9%. The cantonal figure is 65.9%. Böztal ranks 10 of 17 in the Laufenburg district. In total, Böztal has 1,402 dwellings. 46.3% were built before 1981, against 51.8% in the canton. 5.3 hectares of 104.6 hectares of building zone are undeveloped, or 5.1% (as of 2022). For the share of undeveloped zone, Böztal ranks 132 of 196 in the canton.

What your house in Böztal is worth follows from comparable sales, the plot and its condition. The free assessment provides a written range with its explanation.

In Böztal, 437 of 943 buildings with residential use date from before 1981. That is 46.3%. Among the 196 municipalities in the canton, that is rank 113, counting from the highest share. In the Laufenburg district: rank 9 of 17. Böztal therefore has a lower share than the canton at 51.8%. Compared with Böztal, the figure in Frick is 39.6%.

In Böztal, oil or gas heats 326 buildings with residential use, 34.6%, against 51.8% in the canton. Among the 196 municipalities in the canton, that is rank 160, counting from the highest share. Oil and gas are less common in Böztal than the cantonal average.

For a sale in Böztal, records of heating, roof and windows show what has been renewed; they belong in the sale documents. On 1 January 2029, the imputed rental value and maintenance deduction end in Böztal, as everywhere, for owner-occupied homes.¹ Whether a renovation pays off first is explained in Renovate or sell.

Böztal has 2,985 residents. 595 of them, 19.9%, are 65 or older, against 19.5% in the canton. Among the 196 municipalities in the canton, that is rank 90, counting from the highest share. In the Laufenburg district: rank 9 of 17. Compared with Böztal, the figure in Frick is 20.3%.

On 1 June 2026, 12 homes in Böztal were empty, 0.86% of the stock, against 1.05% in the canton. Among the 196 municipalities in the canton, that is rank 100, counting from the lowest vacancy. For Böztal, the figure counts all homes; it does not measure houses on the market.

The municipal tax rate of Böztal is 114%. Among the 196 municipalities in the canton, that is rank 132, counting from the lowest tax rate. It applies to income and wealth; the municipality atlas compares all municipalities. By public transport, Zurich HB is 52 minutes away from the Hornussen, Unterdorf stop, with 1 change.

In Aargau, property gains tax falls with every full year of ownership. The rate drops from 40 per cent in year one to 5 per cent after 25 full years.² After more than ten full years, a house gets at least a flat-rate cost deduction: 80 down to 65 per cent of the sale price.³

If you sell your permanent and exclusive home, you can apply to defer the tax.² You must buy or build a new Swiss home within 2 years before or 3 years after the sale.² Only the reinvested proceeds are deferred.² Deferred does not mean waived: the next taxable sale also taxes this gain.²

Aargau has no classic transfer tax. Instead, the canton charges a land register levy (Grundbuchabgabe) on every sale: 4 per mille of the price.⁴ Buyer and seller are jointly liable; the law does not say who bears it.⁴

Only an Aargau notary (Urkundsperson) may notarise the sale contract.⁵