In brief
In Altendorf (canton of Schwyz), the Federal Register of Buildings and Dwellings lists 33 buildings that are planned or under construction: 8 projected, 23 authorised and 2 under construction. Together they include 94 planned dwellings. As of 11.10.2026.
Buildings planned and under construction
All projects, under construction first, then by number of dwellings.
| Address | Status | Dwellings |
|---|---|---|
| Im Büel 4 | under construction | – |
| Vorderbergstrasse 121 | under construction | – |
| Zürcherstrasse 32, Zürcherstrasse 32a | authorised | 18 |
| Zürcherstrasse 26 | authorised | 16 |
| Zürcherstrasse 34, Zürcherstrasse 34a | authorised | 16 |
| Zürcherstrasse 28 | authorised | 9 |
| Etzelstrasse 28 | authorised | 7 |
| Etzelstrasse 31 | authorised | 6 |
| Churerstrasse 68 | authorised | 2 |
| Zürcherstrasse 30 | authorised | 2 |
| Etzelstrasse 60 | authorised | 2 |
| Katrinenhof 31 | authorised | 2 |
| Acherwies 9 | authorised | 1 |
| Lidwil-See 7 | authorised | 1 |
| Litschstrasse 11 | authorised | 1 |
| Churerstrasse 6 | authorised | – |
| Burggasse 2 | authorised | – |
| Seestrasse 36a | authorised | – |
| Acherwies 9.1 | authorised | – |
| Chlosstrasse 1.1 | authorised | – |
| Bahnweg 25 | authorised | – |
| Lidwil-See 7.1 | authorised | – |
| Litschstrasse 13 | authorised | – |
| Talbachstrasse 71 | authorised | – |
| Talstrasse 8.1 | authorised | – |
| Breitenstrasse 33 | projected | 4 |
| Heerstrasse 30 | projected | 3 |
| Talstrasse 43 | projected | 3 |
| Talbachstrasse 17 | projected | 1 |
| Oberdorfstrasse 45 | projected | – |
| Burggasse 4a | projected | – |
| Zürcherstrasse 61 | projected | – |
| Burgweg 36.3 | projected | – |
Frequently asked questions about Altendorf
How many new-build projects are there in Altendorf?
In Altendorf (canton of Schwyz), the Federal Register of Buildings and Dwellings lists 33 buildings that are planned or under construction: 8 projected, 23 authorised and 2 under construction. Together they include 94 planned dwellings. As of 11.10.2026.
Where can I find building permit applications in Altendorf?
Building permit applications from Altendorf are published in the official gazette of the canton of Schwyz or by the municipality. Vorbau doesn’t analyse this canton’s building permit applications yet, but you can see the planned buildings from the building register on the map.
How do I find out about new building projects in Altendorf?
With an alert on vorbau.ch: draw an area around Altendorf on the map and you’ll get an email as soon as a building there is newly registered, authorised, started or completed. One alert is free.
Other municipalities in the canton of Schwyz
Sources: Federal Statistical Office, Federal Register of Buildings and Dwellings (RBD); cantonal official gazettes via amtsblattportal.ch; SOGC. Planned buildings may change or not go ahead.