Quality Liquor Store carries one of San Diego's deeper craft-beer selections from its University Heights location at 2329 Madison Ave, stocking nationally allocated releases alongside rotating local brewery inventory in the 92116 ZIP. The cooler holds bottles from Russian River, Firestone Walker, and other limited-distribution breweries whose allocations sell through before reaching chain retail shelves. The spirits wall covers scotch, bourbon, whiskey, tequila, vodka, gin, and liqueur categories, with shelf depth that ranges from entry-level pours to rare single-barrel and cask-strength bottlings. The craft cocktail movement along the University Heights bar corridor connects Quality Liquor's bottle inventory to the same spirits ecosystem that supplies Polite Provisions and the surrounding taproom circuit. Wine-Searcher awarded Quality Liquor a Silver designation on its 2025–26 Irish Whiskey List for the San Diego region, recognizing the breadth of the store's whiskey section across single malt, pot still, and blended categories. The store ships mail-order beer and spirits to customers in states where direct-to-consumer alcohol shipping is legal, a fulfillment channel the owner operates through the web storefront with Paypal checkout and protective packaging. Pre-show bottle purchases pair naturally with the Diversionary Theatre calendar — Diversionary Theatre sits south on Park Blvd in University Heights, and patrons heading to evening performances stop at Quality Liquor for wine or champagne on the way. The store accepts SNAP/EBT on eligible grocery items and runs delivery through DoorDash for the full beer, wine, and spirits catalog.