Our areas · Onex

Houses for sale in Onex (Geneva)

In Onex, the median price per m² of houses is CHF 13'300 (Millenium Properties estimate, November 2026; data of 12 November 2026). Are you looking for a house for sale in Onex (canton of Geneva)? Millenium Properties presents its finest addresses. We also sell properties off market. Contact us. To find the property that suits you, you can refine your choices according to your search criteria.

Price per m² in Onex

  • Houses · median price per m² CHF 13'300
    • +3.0% over 1 year
  • Apartments · median price per m² CHF 12'500
    • +3.0% over 1 year
  • Change over 10 years +32.1%

Millenium Properties estimate Period: November 2026 Data as of 12 November 2026

Price per m² estimated by Millenium Properties from the municipality's market: medians rounded to the hundred.

These figures describe the market of the municipality. They do not replace a valuation of your property: your adviser takes its condition, its location and its strengths into account.

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Houses for sale in Onex

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Your agency for selling a house in Onex

Are you considering selling your house in Onex? Millenium Properties offers you its in-depth expertise of the Geneva property market to support you in this important step. Our detailed knowledge of the sector and our long-standing presence in the region allow us to optimise the marketing of your property and achieve the best possible price as quickly as possible.

Personalised support to sell your house

Our team of property experts dedicated to selling houses in Onex offers you tailored support, adapted to your situation and objectives. We begin with a precise, documented valuation of your property, taking into account the specific features of your neighbourhood, whether it is the sought-after area of Vieux-Onex with its houses of character, the green surroundings of Les Evaux, or the residential district of Belle-Cour.

We put in place a personalised marketing strategy that includes:

  • A professional presentation of your property with quality photos and videos
  • Targeted distribution across our networks and partner platforms
  • Access to our portfolio of qualified buyers
  • Regular follow-up of viewings and expressions of interest
  • Optimal negotiation to maximise your sale price

Why choose our agency to sell your house in Onex?

Millenium Properties stands out for its personalised approach and in-depth knowledge of the local market. Our expertise allows us to highlight the strengths of your property, including its proximity to the amenities that make Onex a pleasant place to live: the Parc des Evaux with its sports facilities, well-regarded schools, and quick access to the centre of Geneva.

Our agency also has an established network of potential buyers, notably families and investors looking for houses in Onex. We understand their criteria and know how to highlight the strengths of your property to attract the right buyers.

As specialists in property sales in Onex, we offer you:

  • Full availability throughout the sale process
  • Complete transparency on market developments
  • Full handling of administrative and legal matters
  • Support through to the final signing at the notary's office

Trust our expertise for the sale of your house in Onex. Contact us today for an initial free valuation and find out how we can help you carry out your property project in the best conditions.

Owners

What is your property in Onex worth today?

An adviser studies your property, its municipality and the Geneva market, then gives you a detailed, evidence-based valuation. Free of charge, with no commitment, within 24 to 48 hours.

Your agency

Millenium Properties, in Geneva

An independent Geneva agency covering the whole canton: one adviser per client, an answer within 24 to 48 hours.

Millenium Properties SA

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