Flat Fee Home Builders is a Southern Wisconsin Custom Home Builder. Building homes in the Madison, WI area, our work can be seen in and around neighborhoods such as Cottage Grove, Fitchburg, Verona and Middleton. All the craftsmen employed in our construction process are masters of their trades and share our steadfast commitment to excellence. Owner Tony Magestro has over 12 years construction experience building custom homes but also has project managed multi-million dollar condominium communities. He is committed to building the best quality and valued homes in the Madison, WI area.