Fox Mill Builders is a Home Remodeling Contractor in Downingtown serving Chester County PA and beyond. As a general contractor in Downingtown PA, we offer home owners a single contact for complete design and building of your home addition. renovation or remodeling project. We are experts at turning your vision into reality by providing complete design-buiild remodeling contractor services including Home Additions, Kitchen Remodeling, Bathroom Remodeling, Basement Finishing, Outdoor Kitchen & Living Space construction, Expert Hardscape and Landscaping and Exterior Landscape Lighting.