Just because the 82^nd Annual Academy Awards show captivated television audiences for the better portion of the afternoon and evening on Sunday, doesn’t mean that the world of real estate sat idly by. From the east to the west, industry news popped up all throughout the weekend, including celebrities listing their New York and L.A. estates, an Internet mogul closing on a $4-million deal in Mill Valley, CA, and the floor of a Miami condo building collapsing. Find out the details of these and other stories on today’s real estate roundup.

• Co-founder of Internet firm sells Mill Valley mansion [SF Gate]
• Brand New Hayes Valley Catwalk House Shaves Off Five Percent [CurbedSF]
• Mogul likes potential of his prize [Miami Herald]
• Floor collapses, 2 hurt at Marco Polo Resort [The Real Deal]
• A Brush With a Beatle [New York Times]
• A Majestic Departure? Conan Lists His CPW Apartment for $29.5 M. [New York Observer]
• Farkas Re-Takes Manhattan [New York Observer]
• Time for another smash [LA Times]
• Money & Company [LA Times]
• Mel & Robyn Gibson List Family Compound [RealEstalker]
• Designer Rachel Ashwell lists her 1,783-square-foot house in the Malibu Colony in Malibu, CA for $4.425M [Big Time Listings]