Our promise to you. Coughlan Homes has been building homes and making dreams come true for over 50 years. MoreNewHomesNew Phase of 30' & 40' Single Family Homes. Beautifully designed homes with large ravine lots in prime Ajax location. MoreBuyingGreenEvery Coughlan Home is ENERGY STAR® qualified for lower energy bills, improved comfort and better air quality. MoreHome OwnerFind the answers to your home care questions, plus Seasonal Checklists. more... See more text