Lots of ground to cover this weekend for house-tour lovers…Tomorrow, the 31st Annual Bedford Stuyvesant House Tour runs from 11 am to 4 pm; you can buy tickets in advance from Brownstone Books at 409 Lewis Avenue or pick them up at the kick-off spot at Brooklyn Academy High School at 832 Marcy Avenue. On Sunday, the action shifts to Prospect Heights, where ten homes—including three architects’ residences—will be open for viewing. The self-guided tour goes from 12 to 5 p.m., and you can purchase tickets ($20 ahead; $25 same day) at Forest Floor Antiques at 659 Vanderbilt Avenue. For more info., call 718-393-7653 or visit their website.