Boulder County property records for 11 addresses on Washington Ave, Nederland, CO · Last verified September 2026
| Properties | 11 |
|---|---|
| Median Sale Price | $260,000 |
| Deeds and Mortgages on File | 9 |
| Median Price per Sqft | $320 |
| Owner Occupied | 18% |
| Median Annual Tax Bill | $2,037 |
| Median Year Built | 1909 |
| Median Ownership Tenure | 16 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
501 Washington Ave |
2 bd · 1.75 ba · 613 sqft built 1909 · 0.515 acres | $260,000 Jul 2014 | $2,844 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
525 Washington Ave |
1 bd · 1.5 ba · 296 sqft built 1953 · 0.159 acres | $26,500 Feb 1992 | $245 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
533 Washington Ave |
1 bd · 1.75 ba · 781 sqft built 1901 · 0.077 acres | $250,000 Sep 2023 | $2,037 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
545 Washington Ave |
2 bd · 1.75 ba · 682 sqft built 1901 · 0.081 acres | — Aug 1996 | $1,840 2025 | Assessor Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
551 Washington Ave |
2 bd · 1.75 ba · 1,518 sqft built 1905 · 0.149 acres | $362,970 Aug 2015 | $3,860 2025 | Assessor Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
566 Washington Ave |
1 bd · 1 ba · 460 sqft built 1914 · 0.175 acres | $330,000 Jul 2020 | $1,987 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
585 Washington Ave |
1 bd · 1.75 ba · 729 sqft built 1914 · 0.304 acres | $315,000 Sep 2025 | $1,263 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
601 Washington Ave |
1 bd · 1.75 ba · 788 sqft built 1878 · 0.947 acres | — Oct 1988 | $2,259 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
611 Washington Ave |
2 bd · 1.75 ba · 1,092 sqft built 1925 · 0.148 acres | $180,000 Sep 1998 | $3,190 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
620 Washington Ave |
1 bd · 1.75 ba · 623 sqft built 1932 · 0.136 acres | $40,000 Jun 1986 | $2,347 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
645 Washington Ave |
484 sqft built 1900 · 0.438 acres | $55,000 Mar 2010 | $938 2025 | Assessor Updated Sep 2026 | 2 Owners on File |