Model Home Open Thursdays - Sundays 11am-4pm. Welcome Home to St Helens' newest subdivision with the perfect blend of quality and affordability. Graystone Estates offers 78 New "semi-attached" 3 & 4 Bedroom homes ranging in price from $349,900 - 389,900. (No common walls). You'll love the open floor plans and spacious yards. Buy now and personalize your finishes from the builder's approved choices. Photos are of model home.