"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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VOELKER REALTY COMPANY
Voelker was given credit for establishing the 'monthly payment plan' for purchasers of his homes. At the time of his death, he was thought to have built between 760 and 800 residences.
The 1916-1917 White's Dubuque County Directory through the 1957 Dubuque City Directory listed 1300 Clay (Central) as the address.
Voelker Realty Group was listed in the 1966 through 1985 Dubuque City Directory at 1334 Central.
The 1987 Dubuque City Directory listed 929 Central.