Coughlan Homes Share: Developers Coughlan Homes Visit Website Request Info 2700 Audley Rd. N. Ajax, ON L1Z 1X4 (905) 427-7703 About Map About Coughlan Homes has carved out a niche in the building industry as one of the premier home builders in the GTA. We have earned the respect of homeowners and the business community alike. What's Nearby? Distance: 5 10 15 20 25 50 km.