Since the houses are administered by different organizations, call them directly for more information or directions and to confirm their hours, which can change.

THE PIETER CLAESEN WYCKOFF
HOUSE MUSEUM
Clarendon Road at Ralph Avenue, Brooklyn, NY 11203 (718-629-5400). Hours: Friday through Sunday, noon to 5:00 P.M.

THE VAN GORTLANDT HOUSE
Van Cortlandt Park, Broadway and 242d Street, Bronx, NY 10471 (212-543-3344). Hours: Tuesday through Friday, 11:00 A.M. to 3:00 P.M. ; Sunday, 1:00 to 5:00 P.M.

THE MORRIS-JUMEL MANSION
1765 Jumel Terrace, at 160th Street, New York, NY 10032 (212-923-8008). Hours: Tuesday through Sunday, 10:00 A.M. to 4:00 P.M.

GRACIE MANSION
Eighty-ninth Street and East End Avenue, New York, NY 10028 (212-570-4747). Hours: tours by appointment Monday through Thursday.

RICHMONDTOWN RESTORATION
441 Clarke Avenue, Staten Island, NY 10306 (718-351-1611). Hours: Wednesday through Friday, and Sunday, 1:00 to 5:00 P.M.

THE ALICE AUSTEN HOUSE
MUSEUM AND PARK
2 Hylan Boulevard, Staten Island, NY 10305 (718-816-4506). Hours: Thursday through Sunday, noon to 5:00 P.M.

The other houses overseen by the Historic House Trust are the Bartow-Pell Mansion, Poe Cottage, and Valentine-Varian House in the Bronx; the Lefferts Homestead in Brooklyn; the Dyckman House, King Manor, the Kingsland House, and the Queens County Farm Museum in Queens; and the Conference House and the Seguine Mansion in Staten Island. The trust’s offices are at the Historic House Office, Room 203, New York City Department of Parks and Recreation, the Arsenal, Central Park, New York, NY 10021. A booklet on the trust and all the houses will be available from the trust this summer for three dollars.