Contra Costa County property records for 26 addresses on Los Altos Ave, Walnut Creek, CA · Last verified October 2026
| Properties | 26 |
|---|---|
| Median Sale Price | $1,350,000 |
| Deeds and Mortgages on File | 43 |
| Median Price per Sqft | $702 |
| Owner Occupied | 88% |
| Median Annual Tax Bill | $8,804 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 11 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
110 Los Altos Ave |
5 bd · 3 ba · 2,504 sqft built 1960 · 0.624 acres | $1,760,000 Jul 2022 | $21,758 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
116 Los Altos Ave |
3 bd · 2 ba · 1,412 sqft built 1960 · 0.258 acres | $135,000 May 2001 | $4,776 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
117 Los Altos Ave |
4 bd · 2 ba · 1,742 sqft built 1960 · 0.508 acres | $1,540,000 Oct 2021 | $15,738 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
122 Los Altos Ave |
7 bd · 3 ba · 1,962 sqft built 1960 · 0.189 acres | $1,495,000 Mar 2025 | $12,929 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
123 Los Altos Ave |
4 bd · 2 ba · 1,988 sqft built 1960 · 0.532 acres | $5,383 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
128 Los Altos Ave |
5 bd · 3 ba · 2,050 sqft built 1960 · 0.189 acres | $799,000 Jun 2015 | $12,734 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
131 Los Altos Ave |
4 bd · 2 ba · 1,663 sqft built 1960 · 0.62 acres | $570,000 Jan 2012 | $8,804 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
134 Los Altos Ave |
4 bd · 2 ba · 1,663 sqft built 1960 · 0.189 acres | $1,075,000 Jul 2017 | $14,293 2025 | Assessor + 3 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
137 Los Altos Ave |
4 bd · 2 ba · 1,663 sqft built 1960 · 0.194 acres | $950,000 Oct 2017 | $12,726 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
140 Los Altos Ave |
4 bd · 2 ba · 1,663 sqft built 1960 · 0.189 acres | $1,812 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
143 Los Altos Ave |
4 bd · 2 ba · 1,742 sqft built 1960 · 0.194 acres | $2,071 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
146 Los Altos Ave |
3 bd · 2 ba · 1,533 sqft built 1955 · 0.176 acres | $167,000 May 1988 | $4,334 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
147 Los Altos Ave |
6 bd · 3 ba · 3,180 sqft built 1955 · 0.199 acres | $4,152 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
152 Los Altos Ave |
3 bd · 2 ba · 1,186 sqft built 1969 · 0.176 acres | $1,805 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
153 Los Altos Ave |
4 bd · 2.5 ba · 1,991 sqft built 1955 · 0.199 acres | $255,000 Sep 1997 | $4,452 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
158 Los Altos Ave |
4 bd · 2 ba · 1,770 sqft built 1955 · 0.176 acres | $998,500 May 2016 | $14,363 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
159 Los Altos Ave |
4 bd · 2 ba · 1,712 sqft built 1955 · 0.199 acres | $1,350,000 Jun 2020 | $17,162 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
164 Los Altos Ave |
3 bd · 2 ba · 1,743 sqft built 1955 · 0.176 acres | $1,095,000 Aug 2021 | $14,744 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
165 Los Altos Ave |
4 bd · 2 ba · 1,881 sqft built 1955 · 0.199 acres | $2,135 2025 | Assessor + 6 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
170 Los Altos Ave |
3 bd · 2 ba · 1,640 sqft built 1955 · 0.176 acres | $729,000 Jul 2013 | $10,661 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
176 Los Altos Ave |
4 bd · 2.5 ba · 1,928 sqft built 1955 · 0.176 acres | $3,332 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
177 Los Altos Ave |
3 bd · 2 ba · 1,533 sqft built 1955 · 0.199 acres | $28,000 Jun 1997 | $5,282 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
182 Los Altos Ave |
4 bd · 2 ba · 1,529 sqft built 1955 · 0.176 acres | $228,000 Jan 1995 | $5,399 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
183 Los Altos Ave |
4 bd · 2 ba · 1,659 sqft built 1955 · 0.199 acres | $630,000 Oct 2009 | $9,774 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
188 Los Altos Ave |
3 bd · 2 ba · 1,186 sqft built 1955 · 0.199 acres | $3,552 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
189 Los Altos Ave |
3 bd · 2 ba · 1,319 sqft built 1955 · 0.202 acres | $509,000 Jun 2010 | $9,143 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File Owner Occupied |