About Yianni's Diner
Written from public records. Nothing here is paid for.
Yianni's Diner is an independent Mediterranean restaurant at 1009 Castle Shannon Boulevard in Castle Shannon, one of the South Hills communities in Allegheny County.
It's one of 43 places to eat and drink in Castle Shannon on our map, and one of 4 listed under Mediterranean & Middle Eastern there.
The closest listing on our map is Coffee Etc, about 150 ft away.
Details
From Allegheny County food facility permits. The owner can add the rest.
Health inspection
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Nearby
The closest listings to Yianni's Diner. 43 places in Castle Shannon.
Sources: listing details and inspections from Allegheny County Health Department food facility data via WPRDC (public domain). Map from U.S. Census Bureau TIGER/Line. Distances are straight line. Listing data refreshed Oct 28, 2026.