Johnson County property records for 12 addresses on Observatory Ave SW, Riverside, IA · Last verified October 2026
| Properties | 12 |
|---|---|
| Median Sale Price | $262,000 |
| Deeds and Mortgages on File | 17 |
| Median Price per Sqft | $196 |
| Owner Occupied | 75% |
| Median Annual Tax Bill | $3,566 |
| Median Year Built | 1984 |
| Median Ownership Tenure | 12 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5245 Observatory Ave SW |
4 bd · 3.5 ba · 1,586 sqft built 1986 · 1.38 acres | $335,000 Jun 2015 | $4,742 2025 | Assessor + 1 Document Updated Jun 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5249 Observatory Ave SW |
4 bd · 2.5 ba · 1,052 sqft built 1984 · 2.18 acres | $250,000 May 2013 | $4,102 2025 | Assessor + 2 Documents Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5279 Observatory Ave SW |
1 bd · 2.5 ba · 1,332 sqft built 1993 · 5.63 acres | $262,000 May 2009 | $4,398 2025 | Assessor + 7 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5326 Observatory Ave SW |
5 bd · 1 ba · 1,872 sqft built 1900 · 36.7 acres | — Dec 2002 | $2,990 2025 | Assessor Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5447 Observatory Ave SW |
4 bd · 2 ba · 1,827 sqft built 1930 · 2 acres | $225,000 May 2009 | $4,002 2025 | Assessor + 1 Document Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5452 Observatory Ave SW |
5 bd · 2 ba · 2,581 sqft built 1900 · 13.9 acres | $29,750 Dec 1978 | $3,566 2025 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5455 Observatory Ave SW |
1 bd · 2.5 ba · 1,400 sqft built 1994 · 5.65 acres | $3,626 2025 | Assessor + 1 Document Updated Jun 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5515 Observatory Ave SW |
5 bd · 2.5 ba · 1,952 sqft built 1900 · 1.46 acres | $505,500 Dec 2021 | $1,244 2025 | Assessor + 1 Document Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5570 Observatory Ave SW |
4 bd · 4 ba · 1,972 sqft built 2003 · 1.27 acres | Assessor + 1 Document Updated Apr 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5580 Observatory Ave SW |
2 bd · 1 ba · 936 sqft built 1952 · 5.08 acres | $118,500 May 2019 | $1,614 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5673 Observatory Ave SW |
3 bd · 2 ba · 1,610 sqft built 2003 · 19.3 acres | — Sep 2014 | $2,918 2025 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5760 Observatory Ave SW |
13.8 acres | $350,000 Mar 2024 | $374 2025 | Assessor + 1 Document Updated Jun 2026 | 2 Owners on File |