WE ARE CUSTOM HOME BUILDERS. At Icon Building Group, our experienced and professional home builders have constructed hundreds of dream homes across Illinois and Wisconsin. With our customer-centric process, you can choose to have us build your home on one of our lots, on one you have already selected, or we can help you locate a lot that works within your budget and meets your specifications. We strive for excellence and will work with you till the very last detail to make sure you love your new dream home.