Walled Lake is a city in Oakland County in the U.S. state of Michigan. The population was 6,999 at the 2010 census. The city is bordered by Commerce Township on the north and the city of Novi on the south. As a western suburb of Metro Detroit, Walled Lake is about 20 miles northwest of Detroit.
Defined Inspections provides radon testing in Walled Lake for $100 per 48-hour continuous monitoring test.