in one's own backyard
in (one's) (own) back yard
In or near to one's area of residence or business. Local farmers have banded together to protest the government's plan of building a series of windfarm generators in their back yard. We don't want to have such a large, ugly monument in our own back yard.
in one's own backyard
In one's own domain, in a position very close to one. For example, You didn't expect to find a first-class organist in your own backyard. [Mid-1900s] Also see close to home.