The prices for lean-to barns range from $1,095 to $7,045. each of our metal barns and lean-to carports is constructed to be long-lasting. for those who want a durable carport or barn, metal is the best choice, and with our steel barn prices, you’ll get the best value.. Covering northen nc, va, and southern md. topping, va 233169. shop. faq. contact. shipping & returns. facebook. twitter. get our news and updates. tel: 804-803-3532. stockists. store policy. we can help you design pole barns to meet so many needs we supply a wide range of steel trusses . faqs. photo gallery. photo gallery.. For your custom lean-to shed requirement, we have metal building 3d estimator that you can use to make your own lean-to shed and order it directly from the estimator page. the metal shed estimator gives you endless options to make the desired shed that fits into your requirement criteria..