Alameda County property records for 15 addresses on Sierra Ave, Piedmont, CA · Last verified October 2026
| Properties | 15 |
|---|---|
| Median Sale Price | $4,500,000 |
| Deeds and Mortgages on File | 27 |
| Median Price per Sqft | $992 |
| Owner Occupied | 93% |
| Median Annual Tax Bill | $45,348 |
| Median Year Built | 1927 |
| Median Ownership Tenure | 11 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1 Sierra Ave |
4 bd · 3.5 ba · 4,249 sqft built 1972 · 0.243 acres | $4,500,000 Mar 2025 | $41,014 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4 Sierra Ave |
7 bd · 5 ba · 4,262 sqft built 1914 · 0.321 acres | $4,200,000 May 2021 | $62,199 2025 | Assessor + 2 Documents Updated Oct 2025 | 3 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
11 Sierra Ave |
7 bd · 4.5 ba · 6,235 sqft built 1912 · 0.962 acres | $30,650 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 Sierra Ave |
4 bd · 5 ba · 3,566 sqft built 1914 · 0.266 acres | $2,475,000 Jul 2008 | $45,348 2025 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
17 Sierra Ave |
4 bd · 5.5 ba · 5,878 sqft built 1909 · 0.377 acres | $6,200,000 Oct 2017 | $52,430 2025 | Assessor + 3 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
20 Sierra Ave |
4 bd · 4.5 ba · 4,060 sqft built 1928 · 0.31 acres | $2,872,000 Jan 2004 | $55,886 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
29 Sierra Ave |
4 bd · 4 ba · 4,664 sqft built 1929 · 0.303 acres | $4,500,000 Mar 2015 | $72,535 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
30 Sierra Ave |
5 bd · 4.5 ba · 4,008 sqft built 1947 · 0.201 acres | $10,571 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
35 Sierra Ave |
4 bd · 4 ba · 4,638 sqft built 1927 · 0.344 acres | $2,045,000 Mar 2010 | $39,532 2025 | Assessor + 5 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
38 Sierra Ave |
6 bd · 5 ba · 4,494 sqft built 1911 · 0.325 acres | $5,200,000 Jun 2022 | $63,117 2025 | Assessor + 5 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
45 Sierra Ave |
5 bd · 5 ba · 4,073 sqft built 1925 · 0.419 acres | $2,900,000 Dec 2013 | $50,049 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
49 Sierra Ave |
3 bd · 2.5 ba · 3,223 sqft built 1914 · 0.252 acres | $3,200,000 Jul 2023 | $45,902 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
50 Sierra Ave |
4 bd · 4.5 ba · 4,976 sqft built 1927 · 0.246 acres | $23,906 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
55 Sierra Ave |
4 bd · 3 ba · 4,090 sqft built 1955 · 0.257 acres | $840,000 Jun 1997 | $12,963 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
57 Sierra Ave |
3 bd · 3.5 ba · 2,448 sqft built 1954 · 0.152 acres | $13,524 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |