DEED RESTRICTED AFFORDABLE SALE! Sold on First Come, First Served basis. Stone Castle Estates is an over 55 condominium community in Methuen. A community of 89 homes, this particular home has 1 bed and 1.5 baths and a private porch as well as garage and off street parking. Second floor has two unfinished rooms. Home subject to affordable housing and resale restrictions. Households age 55+. Income Limits Apply: 1 Person - $72,950; 2 Person - $83,400; 3 Person - $93,800; 4 Person - $104,200. Asset Limit: $275,000. Must not currently own a home or will have sold home prior to purchasing this home.howings.