Nessell Exclusive
Canton of Geneva · 1239 · Rive droite du lac
Real estate agency in Collex-Bossy
Nessell assists owners in Collex-Bossy with the sale and valuation of their property, as in every one of the canton's 45 communes: our nearest reference sales are presented on this page. The local market can be measured: 41 sales published over 24 months (see property prices in Collex-Bossy), and an apartment there changes hands at a median of 9'136 CHF/m². The free online valuation gives you a first price range in a few seconds. You can browse our properties for sale and our reference sales.Nessell SA, founded in 2012 · UID CHE-171.259.807 (Geneva commercial register) · success-based fees
Our referencesVersoixSold 
VersoixSold
Grand-saconnexSold
Our sales around Collex-Bossy
Nessell is active across the whole canton. Here are our reference sales closest to Collex-Bossy, with the commune shown on each property.
Nessell Exclusive
Nessell Exclusive
Your contact
An expert on the Geneva market, not a call centre
Every mandate in Collex-Bossy is handled by a dedicated broker, from the valuation to the notarial deed. You always speak to the same person: viewings, negotiation, notary included.
David KnafoFounder of Nessell+41 (0) 22 741 26 26
What a Nessell mandate includes
- A written valuation based on actual sales in the area (FAO / OCSTAT)
- Professional photography and home staging
- Targeted marketing, including off-market for confidential properties
- Calculation of the property gains tax (IBGI) before the sale is launched
- Success-based fees: nothing is due until the sale is signed
The market
Collex-Bossy in figures
Apartment · median
9'136 CHF/m²
Rive droite du lac region, OCSTAT 2024
Actual sales · 24 months
41
FAO register, all properties
Median transaction
0.93 M CHF
prices actually paid
Inhabitants
1'710
OCSTAT, end 2025
Vacant homes
2
as of 1 Dec 2025 · tight market
Full analysis (2006-2024 history, latest published sales, taxation): property prices in Collex-Bossy →
Our sectors
The neighbourhoods of Collex-Bossy we cover
Each sector of Collex-Bossy has its own market. We track the published sales neighbourhood by neighbourhood: Collex, Bossy, Vireloup. Every valuation draws on the transactions signed in your vicinity.
Frequently asked questions
FAQ — real estate agency in Collex-Bossy
What is the best real estate agency in Collex-Bossy?
The right agency is the one that proves its activity in the area: verifiable recent sales, sourced figures, authentic reviews. Nessell is active in all 45 communes of the canton; its sales closest to Collex-Bossy are presented on this page, with 145 Google reviews (4.9/5). Every valuation is based on actually signed sales (FAO register).
How do you check that a real estate agency is trustworthy?
Three simple checks: registration with the commercial register (UID verifiable on Zefix), recent and detailed client reviews, and reference sales the agency can document. Beware of unverifiable figures; ours are linked to their official sources.
How much does a real estate agency cost in Collex-Bossy?
Nessell's fees are success-based: nothing is due until the sale is signed. The scale depends on the property and the mandate; the details are presented during the valuation, with no commitment.
How long does it take to sell a property in Collex-Bossy?
The timeframe depends first and foremost on the asking price: it is the number-one factor. The Collex-Bossy market absorbs around 21 sales per year (FAO, past 24 months); a property positioned in line with recorded sales finds a buyer without stagnating.
No commitment
Have your property in Collex-Bossy valued
A first online price range in a few seconds, based on the sales signed in your area. You stay in control, with no cold calling.
★★★★★ 4.9/5 · 145 verified Google reviews
Nessell in the neighbouring communes
References presented: genuine Nessell mandates (sales concluded in the communes neighbouring Collex-Bossy) · market figures: OCSTAT 2024 vintage, FAO Geneva (harvested 2026-07-02).
A property project in Collex-Bossy?
Your Nessell advisor