| Business | Phone |
| American Realty & Mgmt Inc 25 1st St Ne, Mason City 50401 | (641) 424-6705 |
| Century 21 2019 4th St Sw, Mason City 50401 | (641) 423-1902 |
| Century 21 2800 4th St Sw 3, Mason City 50401 | (641) 424-9400 |
| Gard Realty 1030 Crestmore Way, Mason City 50401 | (641) 424-6202 |
| Gmac Real Estate 1819 4th St Sw, Mason City 50401 | (641) 423-0500 |
| Heartland Realtors 2019 4th St Sw, Mason City 50401 | (641) 424-9413 |
| Hertz Real Estate Svc 2800 4th St Sw 7, Mason City 50401 | (641) 423-9531 |
| Hildebrand Real Estate 506 4th St Sw, Mason City 50401 | (641) 423-5055 |
| Holtz Realty 34 2nd St Ne, Mason City 50401 | (641) 423-9111 |
| Joyce Schulting Realty 124 N Federal Ave, Mason City 50401 | (641) 423-0898 |
| Knudtson Real Estate Inc 301 5th St Sw, Mason City 50401 | (641) 423-0881 |
| Mason City Board Of Realtors 627 N Kentucky Ave, Mason City 50401 | (641) 423-1972 |
| Re/Max Results Realty 202 1st St Nw, Mason City 50401 | (641) 423-7418 |
| Robinson Farm Real Estate 5 N Federal Ave, Mason City 50401 | (641) 421-4180 |
| Rodriguez Co 132 2nd St Se, Mason City 50401 | (641) 423-3232 |
| Rye Realty & Appraisal 134 6th St Sw, Mason City 50401 | (641) 423-0001 |
| Southbridge Realty 509 S Washington Ave, Mason City 50401 | (641) 423-1818 |
| Terrus Real Estate Group 111 W State St, Mason City 50401 | (641) 424-1881 |