Redtop – also spelled Red Top – is a historic Shingle Style house located at 90 Somerset Street, Belmont, Massachusetts.

It was designated a National Historic Landmark in 1971 for its association with writer and literary critic William Dean Howells (1837–1920), a leading proponent of realism in literature.

[5] By 1885, the Howellses had moved to Beacon Hill in Boston,[6] in part due to family illness, including that of Elinor Howells.

[10] The house sits on a large lot high atop Belmont Hill, looking out over Cambridge and Boston.

It is built of brick and was originally clad in wood shingles in the Queen Anne style, with a large, sloping roof dominating the house as seen from the road beneath.

Novelist Henry James described the house as a "fairy abode of light and beauty" on its "cheerful, breezy hill .