Searching for a chateau for sale in Côtes-d'Armor means exploring a two-faced Breton department: the Pink Granite Coast and the Bay of Saint-Brieuc on one side, the wooded Argoat and its steep valleys on the other. Properties for sale range from pink-granite Trégor manors, inherited from the great flax and hemp families, to nineteenth-century chateaux perched above a valley, and former Penthièvre manor houses converted into guest houses. Browse every chateau for sale listed by the private owners, agencies and notaries of Côtes-d'Armor.
This page brings together real price benchmarks for the department, the areas where older residences are found, the character of the local granite building stock and the points worth checking before visiting. To plan a heritage purchase from start to finish, read our guide to buying prestige property in France. Buyers look as often for a coastal holiday home as for a restoration project in the Argoat, away from the busier tourist areas.
DVF land registry data does not identify chateaux as such: the benchmarks below cover sales of houses over 300 m² of living space on 0.05 to 10 ha, above €1,000/m², tracked by our observatory. They frame the market for large residences without describing it entirely: an estate with 30 ha of parkland or a listed monument sold with its farmland falls outside this scope.
In Côtes-d'Armor, 53 sales were recorded from 2021 to 2025, with a median price of €660,000*, a floor/ceiling range (P10–P90) of €395,000 to €1,180,000 and a median of €1,842/m² of living space, for an average of 361 m² of living space and 12,642 m² of land. Across the Brittany region, the 2025 median stands at €987,500* (44 sales), against €822,000 in France in 2025 (981 sales).
| Scope | Sales | Median price | Floor – ceiling (P10–P90) | €/m² living space (median) |
|---|---|---|---|---|
| Côtes-d'Armor (2021-2025) | 53 | €660,000* | €395,000 – €1,180,000 | 1,842 |
| Brittany (2025) | 44 | €987,500* | €469,100 – €2,273,100 | 2,607 |
| France (2025) | 981 | €822,000 | €428,000 – €3,100,000 | 2,308 |
The breakdown by stratum (coastal, rural tourist, ordinary rural) and the five-year trend are in our observatory of prestige property prices in France (in French). Before making an offer, work out purchase costs and borrowing capacity with our financial tools and calculators.
Source: DVF (DGFiP), transactions from 1 January 2021 to 31 December 2025, processed by ma-propriete.fr; prices rounded to the nearest €100. * Fewer than 100 sales: read as an indication only.
Building in Côtes-d'Armor is defined by its use of granite, pink in the Trégor area around Perros-Guirec and Lannion, greyer toward Saint-Brieuc and Penthièvre. Older manors and residences, often flanked by a stair turret, stand alongside nineteenth-century chateaux built overlooking the Trieux, Léguer or Gouët valleys, from an era when the flax trade had enriched leading local families. Some residences still keep monumental fireplaces and spiral stairs housed in a turret, characteristic features of Breton seigneurial architecture.
Properties frequently include agricultural outbuildings: a dovecote, a chapel, a former bakehouse, and sometimes a pond fed by a valley stream. The widespread slate roofs and granite masonry stand up well to the oceanic climate but call for regular upkeep of joints and drainage. Paved courtyards and granite wellheads, common on these properties, need regular upkeep to remain usable throughout the year.
Properties are spread between the Trégor around Lannion, Perros-Guirec and Tréguier, where the pink-granite coastline meets wooded valleys, the more urbanised Bay of Saint-Brieuc and Penthièvre, and the inland Argoat around Guingamp, Callac or Corlay, where the Trieux and Blavet valleys offer secluded, woodland-surrounded properties. The Trieux valley around La Roche-Jagu remains particularly sought-after for its wooded setting and river views. A handful of properties in this belt also come with a private chapel or a walled kitchen garden, features that add character but also upkeep.
The TGV stations at Saint-Brieuc, Guingamp and Plouaret-Trégor connect the department to Paris in a little over two and a half hours, and the RN12 serves the whole territory from east to west. The Trégor coastline and the outskirts of Saint-Brieuc remain the most expensive areas, while the central Argoat offers comparable properties on more accessible terms. Communities in central Brittany, around Corlay and Mûr-de-Bretagne, remain little explored by buyers despite a strong stock of older buildings and well-preserved farmland.
Some manors and chateaux in the department are listed as historic monuments, particularly in the Trieux and Léguer valleys; façade or roof works there require the opinion of the Architecte des Bâtiments de France. Near the coastline, exposure to wind and salt spray calls for extra care with exposed joinery and roofing. Some listed sites also impose particular rules on the colour of joinery and the choice of materials visible from the public road.
On the technical side, check the drainage system, often non-mains in the rural hamlets of the Argoat, and the condition of any hydraulic structures where the property includes a pond or borders a classified river. The heating cost of older buildings, in a climate that stays damp much of the year, is also worth budgeting for. A timber survey is particularly worthwhile on this windy coastline, where water infiltration speeds up the decay of older wood.
Chateau and manor listings in Côtes-d'Armor are posted by private owners, local agencies and notaries; combine price, size and outbuilding filters to shortlist properties, and subscribe to an e-mail alert so you never miss a new listing. To widen your search across the wider region, browse the chateaux for sale in Brittany. Ask each seller for recent invoices on granite pointing and drainage work, because upkeep costs on a Trégor or Argoat château often differ sharply from one property to the next.