Selling property in Herznach-Ueken: figures and rules

There is no official price series for Herznach-Ueken. Unlike the Canton of Zurich, the Canton of Aargau publishes no median prices by municipality. Listing figures for Herznach-Ueken show what is asked, not what was paid.

What is on record is the stock: Herznach-Ueken has 760 buildings with residential use in the Laufenburg district. 546 of them are single-family houses, or 71.8%. The cantonal figure is 65.9%. Herznach-Ueken ranks 5 of 17 in the Laufenburg district. In total, Herznach-Ueken has 1,258 dwellings. 36.1% were built before 1981, against 51.8% in the canton. 4.9 hectares of 95.9 hectares of building zone are undeveloped, or 5.2% (as of 2022). For the share of undeveloped zone, Herznach-Ueken ranks 129 of 196 in the canton.

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

In Herznach-Ueken, 274 of 760 buildings with residential use date from before 1981. That is 36.1%. Among the 196 municipalities in the canton, that is rank 172, counting from the highest share. In the Laufenburg district: rank 15 of 17. Herznach-Ueken therefore has a lower share than the canton at 51.8%. Compared with Herznach-Ueken, the figure in Frick is 39.6%.

In Herznach-Ueken, oil or gas heats 227 buildings with residential use, 29.9%, against 51.8% in the canton. Among the 196 municipalities in the canton, that is rank 178, counting from the highest share. In Herznach-Ueken, a smaller share of houses uses oil or gas than in the canton.

Records of heating, roof and windows therefore belong in the sale documents for Herznach-Ueken. For owner-occupied homes in Herznach-Ueken, the imputed rental value and the maintenance deduction end on 1 January 2029.¹ Whether a renovation in Herznach-Ueken still pays off first is covered in Renovate or sell.

Herznach-Ueken has 2,765 residents. 496 of them, 17.9%, are 65 or older, against 19.5% in the canton. Among the 196 municipalities in the canton, that is rank 147, counting from the highest share. In the Laufenburg district: rank 12 of 17. Compared with Herznach-Ueken, the figure in Frick is 20.3%.

On 1 June 2026, 11 homes in Herznach-Ueken were empty, 0.87% of the stock, against 1.05% in the canton. Among the 196 municipalities in the canton, that is rank 102, counting from the lowest vacancy. In Herznach-Ueken, rented and owned homes are counted; the figure does not show how many houses are for sale.

The municipal tax rate of Herznach-Ueken is 110%. Among the 196 municipalities in the canton, that is rank 107, counting from the lowest tax rate. How Herznach-Ueken compares for the same income and wealth is shown in the municipality atlas. By public transport, Zurich HB is 56 minutes away from the Herznach, Post 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