。
My house is around here.
Literal
I [of-の] house this near is [explanatory-んだ].
Casual particle drop throughout — no は after 家, no に or で after 近く. The bare の之 structure with just 'this near' is typical of spoken register. 近く ('nearby') functions as a locative noun. んだ closes with the explanatory 'the situation is...'