Malmaison was a country estate near Rueil, west of Paris, long before it became associated with Napoleon and Joséphine Bonaparte. The château's earlier fabric was repeatedly altered, and its modest scale differed from the great royal residences surrounding the capital. Joséphine acquired the property in 1799 while Bonaparte was away on campaign. After his return and rise to power as First Consul, the house became an intimate retreat whose proximity to Paris allowed private life, political business, collecting, and fashionable sociability to overlap.

Architects Charles Percier and Pierre Fontaine remodeled the interiors with classical references, painted ornament, textiles, and furnishings suited to the new regime. Some spaces evoked military tents or antique settings without requiring complete rebuilding of the house. Bonaparte used a library and council room, and government business was conducted at Malmaison during the Consulate. The residence also hosted guests, performances, and domestic routines. Its importance came from access to the ruling household rather than monumental size, making rooms designed for comfort part of the machinery of political influence.

Joséphine developed the gardens into a center of botanical collecting and horticultural experimentation. Plants arrived through scientific networks, commerce, diplomacy, and imperial connections, while gardeners and specialists cultivated rare species in grounds and glasshouses. Roses became especially associated with the estate, though its botanical interests were much broader. Art collections, sculpture, animals, and landscaped views contributed to a carefully fashioned environment. These pursuits linked aesthetic ambition with scientific curiosity and the global movement of specimens, labor, and wealth during an age of war and colonial expansion.

After the imperial couple's divorce in 1809, Joséphine retained Malmaison and lived there until her death in 1814. Napoleon returned briefly after Waterloo in 1815 before leaving the Paris region. Later owners altered the estate, dispersed collections, and reduced its grounds through development. During the late nineteenth century, renewed interest in Napoleonic history encouraged efforts to recover the house and its furnishings. Philanthropist Daniel Iffla, known as Osiris, acquired and restored the property before donating it to the French state. The museum opened in 1906.

Malmaison now presents restored rooms, surviving objects, portraits, and documentary evidence associated with Joséphine, Napoleon, and their circle. Conservation must distinguish original furnishings from later replacements while protecting textiles, wood, painted surfaces, gardens, and the surviving estate setting. The château's significance lies in the close relationship between domestic life and political power. A comparatively small country house became a working center of the Consulate, an ambitious collecting landscape, Joséphine's final home, and a museum shaped by the later desire to recover the intimate world behind imperial history.