Browse low budget modern 3 bedroom house designs today! We offer cheap to build 3BR modern open floor plans, simple 3BR modern blueprints with garage & more. Note: the cost to build a home varies on many factors, such as location and material choices. To get a better idea of what a particular plan will cost to build in your area, call 1-800-528-8070 or order a cost to build report. Cost to build reports can be purchased for a nominal fee � just click the Get Cost-To-Build Report button on any plan detail page and follow the instructions.