The Southern California Mortgage Banker's Assn. is selling handcrafted House Pins to raise money to help Habitat for Humanity build homes for needy families in Los Angeles. The pins, which vary in size, shape, color and design, are $15, with all profits going to Habitat. Send a check payable to SCMBA to Cyndie Shenker, 7336 Santa Monica Blvd., Suite 681, Los Angeles, CA 90046. Allow two to four weeks for delivery.