4 5-room Apartments & Houses for sale in Au (SG)

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

Canton: St. Gallen
Area: 4.7 km²

Population

8'628residents

Median taxable income

CHF 62'982

Vacancy

2.98%

Foreign residents

38.3%

Dwellings

4'195

Jobs (FTE)

4'807

Tax multiplier

93%

Land use across the commune

Every 100 × 100 m of Au (SG), coloured by how it's used. Drawn from the BFS Arealstatistik 2025 release — the most recent nationwide snapshot.

Source BFS Arealstatistik

Loading statistics …

Jobs & economy

4'807 full-time-equivalent jobs across 599 businesses — services make up 54% of employment, industry 45% (2018).

Source BFS STATENT

4'807FTE total

Primary1.0%

Secondary45.3%

Tertiary53.6%

Land use

55% built-up, 35% agricultural, 4% forest. Measured across 466 hectares (2018).

Source BFS Arealstatistik

Settlement58.4%

Agriculture37.2%

Forest4.4%

Water0.0%

Election Results

SVP led the 2023 National Council election with 38.8%, ahead of Mitte at 18.1%.

Source BFS

SVP

38.8%+4.5 pp

Mitte

18.1%

FDP

14.4%±0 pp

SP

9.9%−1.6 pp

Grüne

6.2%−2.8 pp

GLP

5.8%−2.0 pp

EDU

1.1%+0.3 pp

Others

0.9%

2023 vs 2019

Primary / second-home mix

92.3% of dwellings are primary residences; 7.7% are second homes (2026).

Source BFS

Primary residences92.3%

Second homes7.7%

Climate data

Annual mean 8.7°C with 1'433 mm of rain. Warmest in July (17.5°C), coldest in January (0.2°C). Station: St. Gallen, 776 m.

Source MeteoSchweiz

8.7°C

Annual mean

Mean 8.7°C

Rain 1433 mm

Sun ≈135 days

St. Gallen · 776 m.a.s.l. · 1991–2020 normals

Warming trend

Mean annual temperature at St. Gallen has risen by +2.5°C between the first 30 observed years (1864–1893) and the most recent (1996–2025).

Source MeteoSchweiz NBCN

+2.5°C

mean 1996–2025 vs. 1864–1893

St. Gallen · 776 m.a.s.l. · 1864–2025

4 properties in Au (SG)

1 / 15

CHF865'000.–

5.5 rooms193 m²

5.5 roomsCHF865'000.–193 m²

Hauptstrasse 73, 9434 Au SG

"Imposante 5.5 Zimmer Maisonette-Wohnung"

5.5 Zimmer Maisonette-Wohnung mit grosszügigen Grundriss Die Wohnüberbauung «Central» fördert ein aktives und nachhaltiges Lebenskonzept, da sie kurze Wege und eine gute Anbindung an die Gemeinschaft bietet. Darüber hinaus erleichtert die Nähe zu allen relevanten Infrastrukturen wie Schulen, Geschäfte, öffentliche Einrichtungen, etc. den Alltag und erhöht die Lebensqualität. Folgendes Raumprogramm erwartet Sie: Eingangsgeschoss \- Eingangshalle \- Einbauküche \- Essen / Wohnen \- Master-Bedroom \- Ankleide mit en Suite Bad (grosse Dusche, Badewanne, Doppellavabo mit Spiegel, separates WC mit Lavabo) \- gedeckter Balkon mit schönem Weitblick Obergeschoss \- Galerie \- Schlaf- / Arbeitszimmer mit Zugang zum Balkon \- Schlaf- / Arbeitszimmer \- Arbeiten / Büro \- Sanitärbereich (Dusche, WC, Doppellavabo mit Unterbaumöbel, Spiegel und WM/TU) \- Balkon (wird 2024 saniert) \- Abstellraum \- Keller im UG \- zwei TG-Einstellplätze Nr. 9 und 13 Kaufpreis Kaufpreis Wohnung STWE 5239 CHF 865'000.00 Kaufpreis TG-Einstellplatz ME 20009 CHF 35'000.00 Kaufpreis TG-Einstellplatz ME 20013 CHF 35'000.00 Total Kaufpreis inkl. Parkierung CHF 935'000.00 Interessiert? Rufen Sie an - ich freue mich auf Sie! Sonnenbau AG - erfolgreich kaufen und verkaufen.

Living with a view – Stylish new semi-detached houses

1 / 15

CHF1'590'000.–

5.5 rooms160 m²

5.5 roomsCHF1'590'000.–160 m²

Büchelweg 10, 9434 Au

"Living with a view – Stylish new semi-detached houses"

LOCATIONQuiet, child-friendly residential area in a preferred hillside locationPanoramic view of mountains and Rhine - impressive all-around viewGood sunlight thanks to optimal orientation [south-east]Public infrastructure [shopping, schools, public transport, etc.] and recreational areas in the immediate vicinityNo through traffic due to cul-de-sacSEMI-DETACHED HOUSESpacious 5.5-room semi-detached houses [new building]Architecturally tailored to the existing environmentContemporary construction with state-of-the-art technologyRefined room division concept over three floors - flexible, functional and stylishBright rooms with high-quality finishes in harmonious designLiving concept with personal touch: interior design according to own ideasBright and open living, dining and kitchen area with direct access to terrace and seating areaFour spacious rooms on the upper floor - quietly located with beautiful viewsPractical room offer in the basement - versatile usable secondary roomsWell-kept surroundings with seating areas, green spaces and paved areasEach house has a double garage and three outdoor parking spaces; House B with additional carportHave we sparked your interest? We would be happy to send you our detailed sales documentation and/or answer any questions you may have.

Newly built semi-detached houses - living with a wide view

1 / 15

CHF1'590'000.–

5.5 rooms179 m²

5.5 roomsCHF1'590'000.–179 m²

Büchelweg 8, 9434 Au

"Newly built semi-detached houses - living with a wide view"

LOCATIONQuiet, child-friendly residential area in a preferred hillside locationPanoramic view of mountains and Rhine - impressive all-around viewGood sunlight thanks to optimal orientation [south-east]Public infrastructure [shopping, schools, public transport, etc.] and recreational areas in the immediate vicinityNo through traffic due to dead-end streetSEMI-DETACHED HOUSESpacious 5.5-room semi-detached houses [new building]Architecturally coordinated with the existing environmentContemporary construction with state-of-the-art technologyRefined room division concept over three floors - flexible, functional and stylishBright rooms with high-quality finishes in a harmonious designLiving concept with a personal touch: interior design according to your own ideasBright and open living, dining and kitchen area with direct access to terrace and seating areaFour spacious rooms on the upper floor - quietly located with a beautiful viewPractical room offer in the basement - versatile usable secondary roomsWell-kept surroundings with seating areas, green spaces and paved areasEach house has a double garage and three outdoor parking spaces; House B with an additional carportHave we sparked your interest? We would be happy to send you our detailed sales documentation and/or answer any questions you may have.

1 / 11

CHF950'000.–

5.5 rooms114 m²

5.5 roomsCHF950'000.–114 m²

Birkenstrasse 12, 9434 Au

"Einfamilienhaus"

LAGERuhige Wohnlage in 30er Zone in einem gewachsenen WohnquartierGanztägige BesonnungGute Anbindung an öffentliche Infrastrukturen und nahegelegene ErholungsgebieteKomfortable Erschliessung über Quartierstrasse und gute Einbettung in die Dorfstruktur von AuEINFAMILIENHAUSFreistehendes 5.5-Zimmer-Einfamilienhaus mit UmschwungBestehende AusnützungsreservenSolide BausubstanzSonniger Garten mit mehreren Sitzplatzbereichen, Gehwegen und RasenflächeGarage und Aussenabstellplatz vor GarageWohnen auf zwei Etagen mit komfortablen RaumhöhenHelle Räume mit teils raumhohen Fensterfronten und Zugang zu Garten oder BalkonKüche mit Zugang zu Wintergarten mit heimeligem CheminéeHausinterne Nebenräume: Keller, Heizraum, Luftschutzraum, Garage

More listings in the Au (SG) area

Einfamilienhaus an ruhiger und sonniger Wohnlage in Berneck

1.2 km

CHF 1'375'000

6 rooms · 163 m²

Wisenstrasse 4, 9442 Berneck

1.9 km

CHF 290'000

8.5 rooms · 191 m²

Leuchen 446, 9428 Walzenhausen

Renovationsbedürftiges Einfamilienhaus mit Potenzial

2.2 km

CHF 730'000

7 rooms

Hauptstrasse 156, 9430 St. Margrethen

Frequently asked questions

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

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

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 8'628 residents.

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

The municipal tax multiplier (Steuerfuss) in Au (SG) is 93% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.

Frequently asked questions

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

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

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 8'628 residents.

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

The municipal tax multiplier (Steuerfuss) in Au (SG) is 93% of the cantonal base rate. Note: this is a multiplier of the cantonal income tax, not an effective tax rate.

4.5+ rooms – Apartments & Houses Au (SG)(8)

5+ rooms – Apartments & Houses Au (SG)(4)

5.5+ rooms – Apartments & Houses Au (SG)(4)

9434 Au SG(8)

9435 Heerbrugg(2)

4 properties in Au (SG)

1 / 15

CHF865'000.–

5.5 rooms193 m²

5.5 roomsCHF865'000.–193 m²

Hauptstrasse 73, 9434 Au SG

"Imposante 5.5 Zimmer Maisonette-Wohnung"

5.5 Zimmer Maisonette-Wohnung mit grosszügigen Grundriss Die Wohnüberbauung «Central» fördert ein aktives und nachhaltiges Lebenskonzept, da sie kurze Wege und eine gute Anbindung an die Gemeinschaft bietet. Darüber hinaus erleichtert die Nähe zu allen relevanten Infrastrukturen wie Schulen, Geschäfte, öffentliche Einrichtungen, etc. den Alltag und erhöht die Lebensqualität. Folgendes Raumprogramm erwartet Sie: Eingangsgeschoss \- Eingangshalle \- Einbauküche \- Essen / Wohnen \- Master-Bedroom \- Ankleide mit en Suite Bad (grosse Dusche, Badewanne, Doppellavabo mit Spiegel, separates WC mit Lavabo) \- gedeckter Balkon mit schönem Weitblick Obergeschoss \- Galerie \- Schlaf- / Arbeitszimmer mit Zugang zum Balkon \- Schlaf- / Arbeitszimmer \- Arbeiten / Büro \- Sanitärbereich (Dusche, WC, Doppellavabo mit Unterbaumöbel, Spiegel und WM/TU) \- Balkon (wird 2024 saniert) \- Abstellraum \- Keller im UG \- zwei TG-Einstellplätze Nr. 9 und 13 Kaufpreis Kaufpreis Wohnung STWE 5239 CHF 865'000.00 Kaufpreis TG-Einstellplatz ME 20009 CHF 35'000.00 Kaufpreis TG-Einstellplatz ME 20013 CHF 35'000.00 Total Kaufpreis inkl. Parkierung CHF 935'000.00 Interessiert? Rufen Sie an - ich freue mich auf Sie! Sonnenbau AG - erfolgreich kaufen und verkaufen.

1 / 15

CHF1'590'000.–

5.5 rooms160 m²

5.5 roomsCHF1'590'000.–160 m²

Büchelweg 10, 9434 Au

"Living with a view – Stylish new semi-detached houses"

LOCATIONQuiet, child-friendly residential area in a preferred hillside locationPanoramic view of mountains and Rhine - impressive all-around viewGood sunlight thanks to optimal orientation [south-east]Public infrastructure [shopping, schools, public transport, etc.] and recreational areas in the immediate vicinityNo through traffic due to cul-de-sacSEMI-DETACHED HOUSESpacious 5.5-room semi-detached houses [new building]Architecturally tailored to the existing environmentContemporary construction with state-of-the-art technologyRefined room division concept over three floors - flexible, functional and stylishBright rooms with high-quality finishes in harmonious designLiving concept with personal touch: interior design according to own ideasBright and open living, dining and kitchen area with direct access to terrace and seating areaFour spacious rooms on the upper floor - quietly located with beautiful viewsPractical room offer in the basement - versatile usable secondary roomsWell-kept surroundings with seating areas, green spaces and paved areasEach house has a double garage and three outdoor parking spaces; House B with additional carportHave we sparked your interest? We would be happy to send you our detailed sales documentation and/or answer any questions you may have.

1 / 15

CHF1'590'000.–

5.5 rooms179 m²

5.5 roomsCHF1'590'000.–179 m²

Büchelweg 8, 9434 Au

"Newly built semi-detached houses - living with a wide view"

LOCATIONQuiet, child-friendly residential area in a preferred hillside locationPanoramic view of mountains and Rhine - impressive all-around viewGood sunlight thanks to optimal orientation [south-east]Public infrastructure [shopping, schools, public transport, etc.] and recreational areas in the immediate vicinityNo through traffic due to dead-end streetSEMI-DETACHED HOUSESpacious 5.5-room semi-detached houses [new building]Architecturally coordinated with the existing environmentContemporary construction with state-of-the-art technologyRefined room division concept over three floors - flexible, functional and stylishBright rooms with high-quality finishes in a harmonious designLiving concept with a personal touch: interior design according to your own ideasBright and open living, dining and kitchen area with direct access to terrace and seating areaFour spacious rooms on the upper floor - quietly located with a beautiful viewPractical room offer in the basement - versatile usable secondary roomsWell-kept surroundings with seating areas, green spaces and paved areasEach house has a double garage and three outdoor parking spaces; House B with an additional carportHave we sparked your interest? We would be happy to send you our detailed sales documentation and/or answer any questions you may have.

1 / 11

CHF950'000.–

5.5 rooms114 m²

5.5 roomsCHF950'000.–114 m²

Birkenstrasse 12, 9434 Au

"Einfamilienhaus"

LAGERuhige Wohnlage in 30er Zone in einem gewachsenen WohnquartierGanztägige BesonnungGute Anbindung an öffentliche Infrastrukturen und nahegelegene ErholungsgebieteKomfortable Erschliessung über Quartierstrasse und gute Einbettung in die Dorfstruktur von AuEINFAMILIENHAUSFreistehendes 5.5-Zimmer-Einfamilienhaus mit UmschwungBestehende AusnützungsreservenSolide BausubstanzSonniger Garten mit mehreren Sitzplatzbereichen, Gehwegen und RasenflächeGarage und Aussenabstellplatz vor GarageWohnen auf zwei Etagen mit komfortablen RaumhöhenHelle Räume mit teils raumhohen Fensterfronten und Zugang zu Garten oder BalkonKüche mit Zugang zu Wintergarten mit heimeligem CheminéeHausinterne Nebenräume: Keller, Heizraum, Luftschutzraum, Garage