San Mateo County property records for 9 addresses on Alto Ave, Half Moon Bay, CA · Last verified October 2026
| Properties | 9 |
|---|---|
| Median Sale Price | $975,000 |
| Deeds and Mortgages on File | 15 |
| Median Price per Sqft | $675 |
| Owner Occupied | 56% |
| Median Annual Tax Bill | $12,538 |
| Median Year Built | 1987 |
| Median Ownership Tenure | 11 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
501 Alto Ave |
3 bd · 3 ba · 2,520 sqft built 1989 · 0.244 acres | $500,000 May 1999 | $10,275 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
519 Alto Ave |
3 bd · 2.5 ba · 1,703 sqft built 2009 · 0.11 acres | $1,500,000 Mar 2021 | $20,015 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
529 Alto Ave |
3 bd · 2 ba · 1,360 sqft built 1965 · 0.22 acres | $1,420,000 Oct 2024 | $17,653 2025 | Assessor + 4 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
533 Alto Ave |
1 bd · 1 ba · 480 sqft built 1952 · 0.11 acres | $975,000 Feb 2026 | $11,122 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
545 Alto Ave |
3 bd · 2.5 ba · 2,330 sqft built 1987 · 0.245 acres | $795,000 Mar 2013 | $12,538 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
555 Alto Ave |
5 bd · 2 ba · 2,120 sqft built 1920 · 0.316 acres | $535,000 Oct 2011 | $8,779 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
569 Alto Ave |
100 bd · 4.5 ba · 3,920 sqft built 1999 · 0.23 acres | $957,500 Dec 1999 | $18,170 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
576 Alto Ave |
4 bd · 2 ba · 1,760 sqft built 1946 · 0.293 acres | $1,189,000 Feb 2020 | $16,265 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
599 Alto Ave |
0.11 acres | $676,500 Feb 2015 | $3,019 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |