18 East 76th Street in Upper East Side: Townhouse for Sale

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Last updated on Feb 3, 2026

The Block House,
18 East 76th Street

The Block House, built in 1881 as a Victorian brownstone, was remodeled in 1906 by Henry Herts into a five-story limestone building with Beaux Arts and neo-Classical elements. Located at 18 East 76th Street between Fifth and Madison Avenues, it has housed notable families, hosted Grace Kelly, and is close to Central Park, Museum Mile, and other upscale amenities.

Overview of The Block House at 18 East 76th Street

Built in 1881 as a Victorian-era brownstone and located at 18 East 76th Street, The Block House was thoroughly remodeled by the esteemed Henry Herts in 1906. Herts expanded the house to five stories and refashioned the façade in limestone adding Beaux Arts and neo-Classical elements. Occupied by many of New York's most notable families, the home has appeared in society pages throughout its history and even hosted Grace Kelly. It is situated mid-block between Fifth and Madison Avenues and close to Central Park, Museum Mile, high-end hotels, chic boutiques, and fine dining.

Doorman

None

Type

Townhouse

Year Built

1910

Apartments

2 (view all units)

Floors

Neighborhood

Park/Fifth Ave. to 79th St. (Manhattan)

Min Down

20%

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Amenities

Pre War

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at Lexington Ave 0.23 miles

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All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.

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An equal housing opportunity

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The Block House,18 East 76th Street

Overview of The Block House at 18 East 76th Street

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The Block House,
18 East 76th Street

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