About Attorneys Joseph R. Costello Per Diem Practice Areas Real Estate Estates Landlord Tenant Law Civil Litigation Business Law Commercial Litigation Blog Contact Us REAL ESTATE LAWYERSBROOKLYNQUEENSSTATEN ISLAND At Costello & Costello, P.C. we represent clients in various areas of law, including but not limited to Real Estate, Litigation, Estates, Landlord Tenant. Real EstateBuying a home is likely the biggest and most complex transaction you will ever make. Though most home sales work out well, some do not and result in costly disputes.LandlordsTenantsBuying & Selling EstatesPlanning for your future has many options to navigate alone. There are money issues, health issues and the ability to make certain your property goes who you so choose.PlanningProbateWills We address each client’s concerns with the importance they demand and treat each client with the dignity and respect they deserve.