4580 Delafield Avenue

also 460 West 246th Street | Riverdale | built 1946

The city photographed every building for its tax records around 1940 and again in the 1980s. NYC Municipal Archives.

Written with AI from the source each entry cites, then fact-checked.

1946
Julius Gregory designs a brick house with a garage wing for Martin L. Ehrmann
This house, also numbered 460-468 West 246th Street, was built in 1946 for Martin L. Ehrmann, with Julius Gregory as architect. As first built, a two-story main block was joined by a one-story garage wing on the north side. That arrangement changed when the garage wing was later given a second story.
Source: NYC Landmarks Preservation Commission
2001
Owner Samuel Shapiro has the Ehrmann house enlarged with a brick addition, porch and portico
Between 2001 and 2003 the house was greatly enlarged toward the north and east for owner Samuel Shapiro, by the firm Byrns, Kendall & Schieferdecker. A two-story brick addition matching the original was built, with a one-story enclosed porch of wood and glass. A front portico with paired Tuscan columns was added to the main entrance in the same campaign.
“In 2001-03, the house was significantly enlarged to the north and east with a matching two-story brick addition…”
Source: NYC Landmarks Preservation Commission

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