Contra Costa County property records for 6 addresses on Sebastian Ln, Walnut Creek, CA · Last verified October 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $2,238,000 |
| Deeds and Mortgages on File | 13 |
| Median Price per Sqft | $540 |
| Owner Occupied | 83% |
| Median Annual Tax Bill | $26,438 |
| Median Year Built | 1988 |
| Median Ownership Tenure | 4 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1100 Sebastian Ln |
5 bd · 4 ba · 3,539 sqft built 1988 · 0.977 acres | $712,500 Jan 1990 | $15,374 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1101 Sebastian Ln |
3 bd · 2.5 ba · 2,851 sqft built 1984 · 0.987 acres | $2,050,000 Jun 2022 | $24,916 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1139 Sebastian Ln |
5 bd · 4.5 ba · 4,347 sqft built 1991 · 0.946 acres | $2,238,000 Jul 2008 | $26,438 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1150 Sebastian Ln |
6 bd · 5.5 ba · 5,994 sqft built 1980 · 0.959 acres | $15,247 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1179 Sebastian Ln |
4 bd · 3.5 ba · 4,641 sqft built 2007 · 0.936 acres | $4,500,000 Mar 2026 | $35,026 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1180 Sebastian Ln |
4 bd · 4 ba · 6,014 sqft built 1978 · 0.948 acres | $3,250,000 May 2023 | $38,208 2025 | Assessor + 5 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |