The median home value in South Weymouth, MA is $717,000. The national median home value is $219,700. The average price of homes sold in South Weymouth, MA is $717,000. South Weymouth real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a South Weymouth real estate agent to arrange a tour today!