| Business | Phone |
| A Plus Realtors 10 E Charles St, Oelwein 50662 | (319) 283-1553 |
| Advanced Realtors 7 N Frederick Ave, Oelwein 50662 | (319) 283-2242 |
| Cornerstone Realtors 1297 S Frederick Ave, Oelwein 50662 | (319) 283-2211 |
| Haun Real Estate 16747 50th St, Oelwein 50662 | (319) 283-4111 |
| Houlahan Real Estate 814 S Frederick Ave, Oelwein 50662 | (319) 283-1564 |
| Re/Max Oelwein Realty 19 S Frederick Ave, Oelwein 50662 | (319) 283-5700 |