Tim O’Brien Homes is a semi-custom single family home builder in the Milwaukee and Madison Wisconsin areas and the leader in ... energy efficiency, innovative designs, green building practices, and renewable technologies. All homes are 3rd party tested and certified surpassing the State’s energy- efficiency and green strict guidelines, and backed by a 5-Year Energy Guarantee. In addition, seven Core Values are the guiding principles that inspire our daily work and underscore our commitment to customers, vendor partners and each other. For more information, contact Tim O’Brien Homes at 262-542-5750 (Milwaukee)/608-661-1100 (Madison) or visit TimOBrienHomes.com. read more