6 to 9 p.m. The Real Estate Board of New York’s Residential Rental Committee hosts its Annual Fall Cocktail Party. Opia Restaurant Bar & Lounge, 130 East 57th Street. $35 for members; $45 for non-members.
6:30 to 8 p.m. Is there still hope for affordable, sustainable housing in the 21st Century? How can urban planners, city officials, and local residents work together to create the kind of densely-populated, mixed-income communities that Jane Jacobs favored? Find out at Jane Jacobs Forum 2008: Housing New Yorkers in the 21st Century. Hosted by the Municipal Art Society of New York. New York University Law School, Vanderbilt Hall, 40 Washington Square South. $12 for MAS members and students; $15 for non-members. Purchase tickets online or call 212-935-2075.