Boone County property records for 14 addresses on N Union St, Madrid, IA · Last verified October 2026
| Properties | 14 |
|---|---|
| Median Sale Price | $168,000 |
| Deeds and Mortgages on File | 16 |
| Median Price per Sqft | $129 |
| Owner Occupied | 93% |
| Median Annual Tax Bill | $1,864 |
| Median Year Built | 1900 |
| Median Ownership Tenure | 12 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
112 N Union St |
3 bd · 1 ba · 935 sqft built 1900 · 0.2 acres | $147,000 Apr 2022 | $1,602 2024 | Assessor + 1 Document Updated Oct 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
116 N Union St |
3 bd · 2 ba · 1,504 sqft built 1981 · 0.2 acres | $195,000 Apr 2022 | $3,800 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
201 N Union St |
3 bd · 1 ba · 1,582 sqft built 1900 · 0.3 acres | — Jul 1999 | $1,718 2024 | Assessor + 3 Documents Updated Oct 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
204 N Union St |
0.2 acres | Assessor Updated Oct 2025 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
206 N Union St |
2 bd · 1 ba · 1,068 sqft built 1900 · 0.2 acres | $174,000 Aug 2023 | $2,822 2024 | Assessor + 4 Documents Updated Oct 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
207 N Union St |
3 bd · 1 ba · 1,288 sqft built 1920 · 0.2 acres | $195,000 Jun 2026 | $2,994 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
213 N Union St |
3 bd · 1 ba · 1,132 sqft built 1900 · 0.2 acres | $34,000 Dec 2014 | $1,454 2024 | Assessor Updated Oct 2025 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
214 N Union St |
2 bd · 1 ba · 1,128 sqft built 1900 · 0.2 acres | $186 2025 | Assessor + 1 Document Updated Jun 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
301 N Union St |
4 bd · 1 ba · 1,098 sqft built 1901 · 0.2 acres | $76,000 Dec 2005 | $2,226 2025 | Assessor + 1 Document Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
304 N Union St |
2 bd · 1 ba · 1,064 sqft built 1910 · 0.2 acres | $1,864 2025 | Assessor Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
305 N Union St |
3 bd · 2 ba · 1,396 sqft built 1954 · 0.2 acres | $90,000 Jun 2002 | $3,640 2024 | Assessor Updated Oct 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
306 N Union St |
2 bd · 1 ba · 1,578 sqft built 1900 · 0.2 acres | $168,000 Feb 2026 | $1,492 2025 | Assessor Updated Jun 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
310 N Union St |
2 bd · 2 ba · 1,795 sqft built 1900 · 0.2 acres | $7,000 May 1961 | $2,582 2024 | Assessor Updated Oct 2025 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
314 N Union St |
3 bd · 2 ba · 1,128 sqft built 1900 · 0.2 acres | — Jul 1999 | $1,430 2024 | Assessor Updated Oct 2025 | Owner on File Owner Occupied |