Retail L Iowa Quantum closes sale of single-tenant Hy-Vee in Davenport Quantum Real Estate Advisors brokered the sale of a single-tenent Hy-Vee gas station at 3850 Elmore Ave. in Davenport, Iowa.The property sold for $855,000.The buyer was a private real estate investor based in Davenport. The seller was a premium acquisition and development company from southern California.Chad Firsel, president of Quantum Real Estate Advisors, represented the seller and the buyer. tagsIowaretailChad FirselHy-VeeDavenportgas stationQuantum Realty Advisors