A mill for sale in Seine-et-Marne (77) is most often found along the Grand Morin, the Petit Morin, the Loing or the Marne, rivers that once powered dozens of watermills across the Brie and Gâtinais countryside. On this page, ma-propriete.fr brings together the mills for sale in Seine-et-Marne: former watermills to renovate, riverside flour mills converted into homes, and miller's houses with outbuildings. Proximity to Paris makes these properties particularly sought after whenever they come with land.
You will also find price benchmarks based on actual sales, an overview of where these properties are concentrated, and the points to check before buying a mill, in a department where Paris-area demand is strongly felt and where a habitable mill with land rarely stays long on the market. To prepare your project, read our white paper on creating a rural gîte, whose advice applies fully to a mill, from surveying the roof and outbuildings to assessing the land.
There are no official statistics dedicated to mills: sales are too rare and too varied (a ruin to restore, a habitable mill, a flour mill with a turbine). The most reliable market benchmark remains the price of country houses, which a habitable mill resembles, with a premium for the water, the character and the water rights, and a discount for the work required.
How much does a country house cost in Seine-et-Marne (77)? According to DVF data (notarised sales) analysed by the ma-propriete.fr observatory, the median price of a country house in Seine-et-Marne (77) stood at €250,600 in 2025, with an average price of €259,889 and a median price of €2,368/m² of living space (2,149 house sales in rural municipalities over the year). The price range is wide: 10% of houses sold for less than €158,000 (floor price, 1st decile) and 10% for more than €376,344 (ceiling price, 9th decile). The typical country house here offers 112 m² of living space on an average plot of 1,549 m², i.e. around 0.2 ha.
This market is below the regional median (Île-de-France: €280,000) and well above the national median (€189,200). Since the second half of 2020, the median price has risen from €245,000 to €250,600, i.e. +2.3%; over one year (2024-2025) the change is +2.3%.
| 2025 indicator | Seine-et-Marne | Île-de-France | France |
|---|---|---|---|
| Median price | €250,600 | €280,000 | €189,200 |
| Average price | €259,889 | €295,207 | €207,100 |
| Floor price (1st decile) | €158,000 | €171,000 | €90,000 |
| Ceiling price (9th decile) | €376,344 | €435,000 | €340,000 |
| Median price per m² of living space | €2,368/m² | €2,603/m² | €1,830/m² |
| Average living space | 112 m² | 116 m² | 108 m² |
| Average plot size | 1,549 m² | 1,590 m² | 3,181 m² |
| Number of sales in 2025 | 2,149 | 3,611 | 150,313 |
A departmental average hides large gaps. A smallholding to renovate, a restored longère with its outbuildings, a farmhouse on several hectares of land or a manor house with parkland do not sell at the same price, and the location matters as much as the building: coastline, tourist area, peri-urban countryside close to a job market or deep countryside. The table below shows the median price of country houses in Seine-et-Marne (77) by type of municipality (cumulative sales from mid-2020 to 2025) and its change between 2021 and 2025.
| Type of municipality | Median price 2020-2025 | Median price per m² | Change 2021-2025 | Sales 2020-2025 |
|---|---|---|---|---|
| Inland tourist areas (hinterland, mountains) * | €215,000 | €2,111/m² | -2.0% | 95 |
| Peri-urban countryside (city catchment area) | €257,500 | €2,410/m² | -3.6% | 13,201 |
* Between 30 and 99 sales: indicative value.
These benchmarks help you assess a listing, estimate a property before putting it up for sale, or set your budget for a holiday home or a permanent move to the French countryside. To go further, see our observatory of country house prices in France (national, regional and departmental analysis, downloadable annual report) and work out the full cost of your purchase, including French notary fees, with our notary fees calculator.
The Grand Morin, from Coulommiers to its confluence with the Marne, and the Petit Morin further north carried a very large number of watermills tied to the Brie milling tradition, renowned since the Ancien Régime for the quality of its flour. The Loing, between Nemours and Moret-sur-Loing, and the Yonne at the edge of the department, add their own string of mills, some of which inspired painters of the Barbizon school settled near the Fontainebleau forest. The wider Marne mostly carried larger industrial mills, most of which have since been converted.
On the open, windswept Brie plateau, windmills did once exist but are now rare, most having disappeared or lost their sails; the surviving stone ones are unusual properties, highly sought after whenever offered for sale and rarely available with much land.
The Grand Morin valley, around Coulommiers and Crécy-la-Chapelle, offers the widest choice of habitable mills, under an hour from Paris by road or train, which makes it one of the most in-demand areas of the department. The Loing area, between Nemours, Moret-sur-Loing and Montigny-sur-Loing, combines heritage with proximity to the Fontainebleau forest, a setting popular with buyers seeking a wooded second home. Further east, the Provins area and the Petit Morin valley remain more rural and less pressured.
Mills close to Marne-la-Vallée-Chessy station and the western part of the department, directly influenced by the Paris conurbation, sell well above the regional average. The Provins area and the eastern part of the department remain the most affordable areas for a mill needing work.
Check the water rights attached to the mill (fondé en titre or holding an authorisation), the condition of the millrace, the weir and sluice gates, and the ecological-continuity obligations on classified rivers such as the Grand Morin or the Loing, closely watched by Paris-region water authorities. A small hydroelectric turbine project may be possible on some sites but needs a prior technical and administrative study.
On the building, in millstone grit or limestone depending on the area, check for damp, flood zoning along the riverbank, and the condition of the outbuildings (barn, former flour mill), as well as any past conversion work carried out without proper planning consent. These outbuildings often allow for a gîte project, with proximity to Paris and Disneyland Paris ensuring steady tourist demand all year round.
On ma-propriete.fr, mill listings in Seine-et-Marne are published by private sellers, estate agents and notaries. Filter by budget, living space and land area, set up an email alert to be told of new listings, and browse all mills for sale in Île-de-France if your search extends beyond the department.
