West of Roissy and north of Paris, a B&B for sale in Val-d'Oise can be a Vexin farmhouse, a village house on the Oise or a home surrounded by woodland. The department combines the countryside of the Vexin français regional nature park, painters' villages such as Auvers-sur-Oise, linked to Van Gogh, the Château de La Roche-Guyon above the Seine, Royaumont Abbey, the Renaissance museum at the Château d'Écouen, the lake at Enghien-les-Bains and the Montmorency and L'Isle-Adam forests.
Guests include Paris-region weekenders, foreign visitors seeking countryside near Paris, walkers and cyclists, wedding guests and business travellers linked to Roissy or Cergy-Pontoise. This page is for buyers of a running chambres d'hôtes business or a farmhouse to convert, for people comparing Val-d'Oise with other Île-de-France departments, and for owners preparing to sell. Create an email alert (in French) for new properties.
As of 25 September 2026, there are no B&Bs and guest houses for sale in Val-d'Oise listed on ma-propriete.fr. Across the Île-de-France region, 3 listings show asking prices from €995,000 to €3,150,000.
In 2025 the median sale price of a country house in Val-d'Oise was €333,000 (average €336,830), or €2,993/m² of living space, for 118 m² on an average plot of 1,404 m², based on 266 sales in rural municipalities. One sale in ten was below €220,750 and one in ten above €460,000. Since the second half of 2020 the median price has moved from €331,475 to €333,000 (+0.5%); over the last year the change is +4.7%. For comparison: €280,000 in Île-de-France and €189,200 in France.
| Indicator (2025) | Val-d'Oise | Île-de-France | France |
|---|---|---|---|
| Median price | €333,000 | €280,000 | €189,200 |
| Average price | €336,830 | €295,207 | €207,100 |
| Lower bound (1st decile) | €220,750 | €171,000 | €90,000 |
| Upper bound (9th decile) | €460,000 | €435,000 | €340,000 |
| Median price per m² of living space | €2,993/m² | €2,603/m² | €1,830/m² |
| Average living space | 118 m² | 116 m² | 108 m² |
| Average plot | 1,404 m² | 1,590 m² | 3,181 m² |
| Number of sales (2025) | 266 | 3,611 | 150,313 |
The type of municipality matters: across sales from mid-2020 to 2025, the median ranges from €343,000 (peri-urban countryside) to €343,000 (peri-urban countryside).
| Type of municipality | Median price 2020-2025 | Median price per m² | Change 2021-2025 | Sales 2020-2025 |
|---|---|---|---|---|
| Peri-urban countryside (within a town's catchment) | €343,000 | €3,068/m² | -4.9% | 1,702 |
For prestige homes (houses over 300 m² of living space on 0.05 to 10 ha), the department benchmark is a median of €1,075,000* over 2021-2025, with an average of €1,089,200, a P10–P90 range of €685,200 to €1,640,500 and 2,674 €/m² of living space, over 57 sales. These homes average 383 m² of living space on 6,597 m² of land. The 2025 national median is €822,000.
| Area | Sales | Median price | Average price | Range (P10–P90) | €/m² of living space |
|---|---|---|---|---|---|
| Val-d'Oise (2021-2025) | 57 | €1,075,000* | €1,089,200 | €685,200 – €1,640,500 | 2,674 |
| Île-de-France (2025) | 90 | €1,445,000* | €1,916,500 | €700,000 – €3,496,500 | 4,247 |
| Île-de-France (2021-2025) | 592 | €1,263,100 | €1,602,600 | €601,200 – €2,988,300 | 3,363 |
| France (2025) | 981 | €822,000 | €1,321,400 | €428,000 – €3,100,000 | 2,308 |
Sources: listings published on ma-propriete.fr on 25 September 2026 (asking prices, not sale prices); ma-propriete.fr observatories of country house prices in Val-d'Oise and prestige property prices in Val-d'Oise (in French), DVF data (notarised sales, French tax authority). * fewer than 100 sales: indicative value.
Val-d'Oise is one of the dearest rural markets in Île-de-France: a median of €333,000 in 2025, or €2,993/m², against €280,000 for the region. A four- or five-bedroom guest house often exceeds the top decile of €460,000 and joins the prestige market, where the department's indicative median is €1,075,000 and the P10–P90 range runs from €685,200 to €1,640,500. All rural towns here are peri-urban; their median fell 4.9% between 2021 and 2025, though the 4.7% rise over the last year points to a recovery.
The Vexin français, from Magny-en-Vexin to Marines and La Roche-Guyon, is the most sought-after area for hosting guests: stone villages, the Epte and Sausseron valleys, large farms and protected landscapes. The Oise valley, from Pontoise and Auvers-sur-Oise to L'Isle-Adam, trades on Impressionist painters, riverbanks and forests. In the south-east, the Montmorency valley, with Enghien-les-Bains and Écouen, is more urban and closer to Paris, which supports business stays. The Plaine de France around Roissy-en-France and Luzarches benefits from the airport but also bears its noise. Guests arrive via the A15, A16, A115 and A1, RER A, C and D, Transilien trains and Roissy-Charles-de-Gaulle airport.
Courtyard farms and limestone houses offer barns to convert into rooms, but restoration is costly and must respect the regional park's charter; near a listed monument, the state heritage architect must be consulted. In the Oise, Seine and Epte valleys, check flood risk; elsewhere, old underground quarries and shrink-swell clay call for a careful read of the official risk report. Hamlets often rely on a private septic system, inspected by the local SPANC service. A chambres d'hôtes business is limited to 5 rooms and 15 guests at a time, breakfast included, and must be declared at the mairie (town hall). Serving wine at the table d'hôtes requires at least a restaurant licence and a specific permit. See our guide to opening chambres d'hôtes (in French).
Use the department's country-house median, €333,000, for a small house to convert, and the prestige market for a property already fitted with several rooms. Add works, furniture and purchase costs, paid through the notaire, the public official who handles property sales.
A house with grounds in the Vexin or near L'Isle-Adam can target affluent Parisian or foreign guests, weddings and seminars, but this requires heavy investment and polished service. Test rates, occupancy and costs with the B&B profitability and tax simulator (in French), then have an accountant review the result.
Gather the town hall declaration, accounts, booking history, guest reviews, mandatory surveys and the septic inspection, and highlight the proximity of Paris and Roissy. Then list your property with us.
To widen your search, browse guest houses for sale in Île-de-France, then Yvelines, Seine-et-Marne and Seine-Saint-Denis, tourism properties in Val-d'Oise, or all B&Bs for sale in France.
