How many parcels does Onex have?

The cadastral survey lists 1'606 parcels with a total of about 281 hectares; 2'234 buildings are recorded in the register of buildings and dwellings (as of 2026-09-26).

Which zones exist in Onex?

No zoning data from the PLR cadastre is available for Onex yet.

How do I find building land in Onex?

With Parzella you filter the parcels of Onex by zone type, area, development and score, see the PLR extract and buildings per parcel and reach the owner information through the official channel.

Building land in Onex

1'606 parcels in Onex Genf: zone types, area, buildings, tax rate and electricity price – official data from the cadastral survey, PLR cadastre and GWR.

Parcels

1'606

Total area

281 ha

Buildings (GWR)

2'234

With zone type (PLR)

0 %

Average site score: 53.5 of 100 · 13 % of scored parcels reach 60 or more.

Location factors

Tax rate: 50.5 % (2026)
Electricity price (household H4): 24.88 Rp./kWh (2026)
Canton: Genf
BFS number: 6631
Data as of: 2026-09-26

Sources: tax rates FTA, electricity prices ElCom, parcels cadastral survey, zones PLR cadastre, buildings FSO GWR.

More municipalities in the canton of Genf

Frequently asked questions

How many parcels does Onex have?: The cadastral survey lists 1'606 parcels with a total of about 281 hectares; 2'234 buildings are recorded in the register of buildings and dwellings (as of 2026-09-26).
Which zones exist in Onex?: No zoning data from the PLR cadastre is available for Onex yet.
How do I find building land in Onex?: With Parzella you filter the parcels of Onex by zone type, area, development and score, see the PLR extract and buildings per parcel and reach the owner information through the official channel.

Parcels in Onex on the map

Every parcel with PLR extract, buildings, environmental data and score – filter, compare, request the owner.

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