Romanshorn
Municipality in the canton of Thurgau · FSO no. 4436
Parcel data from Nov 2026, statistics computed on 29 Oct 2026.
Open map at the Romanshorn centerThe parcel data lists 2’935 parcels in Romanshorn, covering 8.8 km². 72% of them have at least one registered building. The median parcel measures 775 m².
Key figures
- Parcels
- 2’935
- 2.1% of the canton
- Total area
- 8.8 km²
- 1% of the canton
- Median area
- 775 m²
- Canton: 1’142 m²
- Switzerland: 881 m²
- Built share
- 72%
- Canton: 53.5%
- Switzerland: 51%
- Median year built
- 1975
- Canton: 1986
- Switzerland: 1975
About Romanshorn
Romanshorn ranks 8th of 80 municipalities in the canton of Thurgau by number of parcels and holds 2.1% of the canton's parcels on 1% of its area. The median parcel in Romanshorn measures 775 m², smaller than the canton median of 1’142 m². Romanshorn is more built-up than the canton as a whole: 72% of its parcels have a building, against 53.5% across the canton.
The zones with the most parcels are Wohnzone zweigeschossiger Erscheinung (36%), Wohnzone dreigeschossiger Erscheinung (10.2%) and Wohn- und Arbeitszone dreigeschossiger Erscheinung (9.8%). In total, Romanshorn uses 28 zone designations.
According to the building register, Romanshorn has 3’629 buildings with 6’295 dwellings, 1.7 dwellings per building on average. Residential buildings mix single-family houses and buildings with several dwellings: single-family houses make up 59.7% of them. Non-residential buildings account for 40.1% of all buildings.
Built parcels most often have their newest building from 1981 to 2000 (20.6% of them), and 22.7% have one from 2001 or later. The median year built, 1975, is earlier than in the canton as a whole (1986).
Built and unbuilt parcels
Built: 2’113 (72%)
Unbuilt: 822 (28%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Wohnzone zweigeschossiger Erscheinung | 1’057 | 0.79 km² | 91.8% |
| Wohnzone dreigeschossiger Erscheinung | 298 | 0.41 km² | 91.3% |
| Wohn- und Arbeitszone dreigeschossiger Erscheinung | 287 | 0.29 km² | 90.2% |
| Strassenverkehrsfläche im Baugebiet | 266 | 0.37 km² | 2.6% |
| Wohn- und Arbeitszone zweigeschossiger Erscheinung | 173 | 0.15 km² | 96.0% |
| Landwirtschaftszone | 157 | 1.51 km² | 22.9% |
| Kernzone | 131 | 0.09 km² | 93.9% |
| Landschaftsschutzzone | 123 | 1.44 km² | 30.9% |
| Wald | 85 | 1.89 km² | 2.4% |
| Arbeitszone Industrie | 78 | 0.49 km² | 78.2% |
| Zone für öffentliche Bauten und Anlagen | 50 | 0.34 km² | 88.0% |
| Wohn- und Arbeitszone viergeschossiger Erscheinung | 41 | 0.06 km² | 95.1% |
| Other zones (16 labels) | 189 | 0.99 km² | 50.8% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 3’629 buildings with 6’295 dwellings here; 1’208 of them are single-family houses.
- Buildings
- 3’629
- Dwellings
- 6’295
- Single-family houses
- 1’208
- Building volume
- 6.5 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest building
Maps and geodata for Romanshorn
geopool works as a GIS and geoportal for Romanshorn. Its parcel map shows the parcels of the official cadastral survey with their area, their zone from the municipal zoning plan and their buildings, on swisstopo maps. Building zones, the property map and the geodata of each parcel open on the geopool map. The ÖREB extract of a parcel (public-law restrictions on landownership) is in lookup.
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