TULSA, OKLA. — Tulsa-based Stan Johnson Co. has completed the sale of a 12-property NAPA Auto Parts portfolio. The properties are located Florida, Georgia, Illinois, Minnesota, Mississippi, Texas, Virginia and Washington. David Clary of Stan Johnson Co. represented the seller, a private investor. The buyer, a New York-based investor participating in three separate 1031 exchanges, was represented by Eric Dochter of Uniondale, N.Y.-based Excel Realty Advisors. The acquisition price was not disclosed, but the portfolio listed for $19.2 million.