Cantons › St. Gallen › Rorschach

New-build projects in Rorschach

Planned, authorised and started buildings from the official building register, plus building permit applications and forced auctions. As of 11.10.2026.

4projected

24authorised

2under construction

437Dwellings planned

In brief

In Rorschach (canton of St. Gallen), the Federal Register of Buildings and Dwellings lists 30 buildings that are planned or under construction: 4 projected, 24 authorised and 2 under construction. Together they include 437 planned dwellings. As of 11.10.2026.

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Buildings planned and under construction

All projects, under construction first, then by number of dwellings.

Address	Status	Type	Dwellings
Industriestrasse 9	under construction	Purely residential building	20
Industriestrasse 7	under construction	Purely residential building	14
Feldmühle 4	authorised	Residential with secondary use	67
Feldmühle 3	authorised	Residential with secondary use	45
Feldmühlestrasse 38, Feldmühlestrasse 38a	authorised	Residential with secondary use	45
Feldmühle 10	authorised	Purely residential building	44
Feldmühlestrasse 33, Feldmühlestrasse 35	authorised	Residential with secondary use	39
Jakobstrasse 1	authorised	Residential with secondary use	30
Feldmühle 6	authorised	Residential with secondary use	28
Feldmühle 12	authorised	Purely residential building	26
Dufourstrasse 6, Dufourstrasse 8	authorised	Residential with secondary use	10
Mariabergstrasse 21a	authorised	Purely residential building	8
Mariabergstrasse 21c	authorised	Residential with secondary use	6
Löwenstrasse 8	authorised	Purely residential building	6
Mariabergstrasse 21b	authorised	Residential with secondary use	4
Feldmühle 5	authorised	Purely residential building	3
Feldmühle 8	authorised	Purely residential building	–
Feldmühlestrasse 33.1	authorised	Special-purpose building	–
Feldmühle 2.1	authorised	Special-purpose building	–
Feldmühle 3.1	authorised	Special-purpose building	–
Feldmühle 3.2	authorised	Special-purpose building	–
Feldmühle 10.1	authorised	Special-purpose building	–
Feldmühle 10.2	authorised	Special-purpose building	–
Feldmühle 10.3	authorised	Special-purpose building	–
Feldmühle 10.4	authorised	Special-purpose building	–
Feldmühle	authorised	Special-purpose building	–
Stadelstrasse 6, Stadelstrasse 8	projected	Residential with secondary use	19
Stadelstrasse 5, Stadelstrasse 7	projected	Residential with secondary use	19
Sonnenweg 10	projected	Residential with secondary use	4
Stadelstrasse 5.1	projected	Special-purpose building	–

Forced auctions

Mehrfamilienhaus, Promenadenstrasse 92Auction on 03.11.2026
Einfamilienhaus, Signalstrasse 25Auction on 04.11.2026

Frequently asked questions about Rorschach

How many new-build projects are there in Rorschach?

Where can I find building permit applications in Rorschach?

Building permit applications from Rorschach are published in the official gazette of the canton of St. Gallen 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 Rorschach?

With an alert on vorbau.ch: draw an area around Rorschach 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 St. Gallen

St. Gallen 188 Rapperswil-Jona 96 Oberriet (SG) 90 Kirchberg (SG) 86 Flawil 81 Wil (SG) 80 Uzwil 77 Buchs (SG) 72 Diepoldsau 71 St. Margrethen 71 Sennwald 70 Sargans 67 All municipalities ›

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.