How much does an ADU cost with Lamont Bros.?

ADUs with Lamont Bros. typically start around $150,000.

The final cost depends on the ADU's size, whether it's detached or attached, site conditions, utility connections, and finish selections. Because Lamont Bros. confirms feasibility and prices the design as it develops, you'll know the cost before construction begins, and you'll receive a fixed-price contract before work starts.