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Apartments for sale in Au Sg

Across Switzerland All properties

5 Apartments for sale in Au (SG)

Apartments for sale in Au (SG)

About Au (SG)

Au (SG)

Municipality · St. Gallen

Au (SG)

Au is a municipality in the Wahlkreis (constituency) of Rheintal in the canton of St. Gallen in Switzerland.

Population

8'771

Tax multiplier

99%

Median price

CHF 7'937/ m²

Vacancy

2.98%

Au (SG) in numbers

Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE.

Population

8'771↑1.7%

99%↑6.5%

Bottom quartile in canton

Median taxable income

CHF 49'150↑2.4%

Middle in canton

Median net income

CHF 54'575↑0.8%

Paying direct federal tax

77%

Cantonal tax multiplier

105%

2.98%↑9.6%

Top 10% in canton

Land use

Settlement55%
Agriculture35%
Other7%
Forest4%

Foreign residents

39.0%↑1.7%

Top 10% in canton

Median price

CHF 7'937/ m²

−7% vs CH

Dwellings

4'195↑0.1%

Jobs (FTE)

3'772↑3.2%

Primary residences

92%

Broadband coverage

6%

Fibre

Property market in Au (SG)

The rental vacancy rate is 2.98%, 117% above the cantonal average (1.37 %). The municipal tax multiplier (Steuerfuss) is 99%, 12% below the cantonal average (113 %) — tax-favourable. Median taxable income is CHF 57'000, 8% below the Swiss median (CHF 61'929). Au (SG) has 8'771 residents (2025).

Source: Swiss Federal Statistical Office (BFS).

Frequently asked questions

How many apartments are available to buy in Au (SG)?+

5 apartments are currently listed to buy in Au (SG) on Homematch. The selection updates throughout the day as agencies publish new listings.

How much does it cost to buy a apartment in Au (SG)?+

The median asking price in Au (SG) is around CHF 7'937 per m². For an 80 m² property that's roughly CHF 634'946 — actual prices vary widely by neighbourhood, age and condition.

Which canton is Au (SG) in?+

Au (SG) is located in the canton of St. Gallen.

What is the population of Au (SG)?+

Au (SG) has approximately 8'771 residents.

What is the municipal tax multiplier (Steuerfuss) in Au (SG)?+

The municipal tax multiplier (Steuerfuss) in Au (SG) is 99% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.

5 properties

Home
Apartments for sale
Canton St. Gallen
Rheintal District
Au (SG)

5 properties in Au (SG)

Comfortable large 3.5-room apartment in a green area

CHF555'000.–

3.5 rooms110 m²

3.5 roomsCHF555'000.–110 m²

RL Immo GmbH

Eulenweg 8, 9435 Heerbrugg

"Comfortable large 3.5-room apartment in a green area"

3 1/2 room apartment on the 1st floor Fulfill your dreams of a spacious and comfortable apartment in a quiet, sunny, and yet centrally located area. Those who need a lot of space will definitely feel at home here. Sunny, quiet, and with three large secondary rooms. Enormous space for your favorite…

RL Immo GmbH

Impressive 5.5 room maisonette apartment

CHF865'000.–

5.5 rooms193 m²

5.5 roomsCHF865'000.–193 m²

Sonnenbau AG

Hauptstrasse 73, 9434 Au SG

"Impressive 5.5 room maisonette apartment"

5.5 room maisonette apartment with generous floor plan The residential building "Central" promotes an active and sustainable lifestyle concept, as it offers short distances and a good connection to the community.Furthermore, the proximity to all relevant infrastructures such as schools, shops,…

Sonnenbau AG

3.5-room apartment

CHF390'000.–

3.5 rooms74 m²

3.5 roomsCHF390'000.–74 m²

RT Immobilien Treuhand AG

Hauptstrasse 27, 9434 Au SG

"3.5-room apartment"

LOCATION Central location with optimal traffic connection Beautiful view and all-day sunshine Good infrastructure in the immediate vicinity - shopping facilities, schools, restaurants and services within walking distance Recreation directly in front of the door – walking and cycling paths along the…

RT Immobilien Treuhand AG

NEUBAU "UNTER DEN REBEN" in AU (SG) | Letzte Einheit!

CHF1'050'000.–

4.5 rooms120 m²

4.5 roomsCHF1'050'000.–120 m²

Nina Sprenger Immobilien

Hangetweg 6, 9434 Au

"NEUBAU "UNTER DEN REBEN" in AU (SG) | Letzte Einheit!"

Dieses Neubau Projekt ist mehr als ein Zuhause – es ist Ihre nachhaltige Investition in Wertigkeit und Lebensqualität ohne Kompromisse. ZEITLOS MODERNE ARCHITEKTUR HOCHWERTIG IN DER UMSETZUNG, DEZENT IM LUXUS NACHHALTIG IM WERT, STABILE ENTWICKLUNG IN DER RENDITE Letzte Einheit in diesem…

Nina Sprenger Immobilien

Penthouse apartment with panoramic view – stylishly renovated

CHF830'000.–

4.5 rooms106 m²

4.5 roomsCHF830'000.–106 m²

Alpea Homes GmbH

"Penthouse apartment with panoramic view – stylishly renovated"

The apartment has been completely renovated and impresses with large window areas, which provide plenty of daylight and emphasize the open floor plan. The new underfloor heating creates a pleasant warmth and a harmonious living feeling. Particular mention should be made of the extensive terrace,…

Alpea Homes GmbH

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Localities

Apartments for sale in Heerbrugg(2)Apartments for sale in Au SG(5)

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Other property types

Apartments & Houses for sale in Au (SG)(9)Houses for sale in Au (SG)(4)Plots for sale in Au (SG)(1)Apartments for rent in Au (SG)(18)

By room count

2+ rooms – Apartments Au (SG)(5)2.5+ rooms – Apartments Au (SG)(5)3+ rooms – Apartments Au (SG)(5)3.5+ rooms – Apartments Au (SG)(5)4+ rooms – Apartments Au (SG)(3)

+3 show moreshow less

4.5+ rooms – Apartments Au (SG)(3)

5+ rooms – Apartments Au (SG)(1)

5.5+ rooms – Apartments Au (SG)(1)

More listings in the Au (SG) area

Wohnen mit Blick auf die Reben von Berneck - Überbauung Emseren, Au

CHF 1'295'000

4.5 rooms · 161 m²

Emserenstrasse 2, 9434 Au SG

4.5-Zimmer-Attikawohnung

CHF 1'190'000

4.5 rooms · 123 m²

Nöllenstrasse 2, 9443 Widnau

Neubauprojekt "HUS Nöllen"

Zu verkaufen 3.5 Zimmer-Eigentumswohnungen 132m2 mit Mietverhältnis

FRISCH SANIERTER WOHNKOMFORT

CHF 1'090'000

4.5 rooms · 132 m²

Nöllenstrasse 2, 9443 Widnau

Helle,grosszügige 3.5 Zimmer-Eigentumswohnung mit Mietverhältnis

1.8 km

CHF 795'000

3.5 rooms · 102 m²

Brändlihangstrasse 10, 9442 Berneck

Grosszügige, helle 4.5 Zimmer-Eigentumswohnung Maisonette mit Mietverhältnis

1.8 km

CHF 1'550'000

4.5 rooms · 202 m²

Brändlihangstrasse 10, 9442 Berneck

1.8 km

CHF 985'000

3.5 rooms · 132 m²

Brändlihangstrasse 10, 9442 Berneck

CHF 535'000

3.5 rooms · 70 m²

Im Hinterguet 2, 9430 St. Margrethen SG

Attraktive 4.5 Zimmer Wohnung mit grossem Balkon

2.2 km

CHF 785'000

4.5 rooms · 124 m²

Ringstrasse 34, 9443 Widnau

Browse more in St. Gallen →