San Mateo County property records for 13 addresses on Oneill Ave, Belmont, CA · Last verified August 2026
| Properties | 13 |
|---|---|
| Median Sale Price | $1,389,000 |
| Deeds and Mortgages on File | 29 |
| Median Price per Sqft | $301 |
| Owner Occupied | 54% |
| Median Annual Tax Bill | $16,400 |
| Median Year Built | 1947 |
| Median Ownership Tenure | 11 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
61,310 sqft · built 1958 · 2.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,100,000Aug 2019 | $123,5122025 | 2 Names on Record | Assessor + 7 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,380 sqft · built 1947 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $241,000Sep 2010 | $10,5052025 | Amount on Record May 2010 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
77,704 sqft · 1.01 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,596,500Mar 2002 | $96,3192025 | Amount on Record Sep 1997 | 2 Names on Record | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,496 sqft · built 1947 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $935,000Aug 2016 | $16,4002025 | Amount on Record Nov 2010 | 1 Name on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
3 bd · 1.5 ba · 1,090 sqft · built 1947 · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,389,000May 2021 | $19,1522025 | Amount on Record Dec 2015 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,090 sqft · built 1947 · 0.119 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,6522025 | —Jan 1999 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
6,100 sqft · built 1947 · 0.642 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $575,000Mar 1996 | $39,4732025 | 1 Name on Record | AssessorUpdated Aug 2026 |
4,990 sqft · built 1953 · 0.272 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $21,500Mar 1994 | $10,8692025 | —Mar 1997 | 2 Names on Record | AssessorUpdated Jul 2026 |
12,461 sqft · built 1957 · 0.268 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,350,000Mar 2015 | $19,3932025 | Amount on Record Jul 1998 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
0.216 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,5732025 | 1 Name on Record | AssessorUpdated Jul 2026 |
5 bd · 2.5 ba · 1,930 sqft · built 1947 · 0.12 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 2018 | $8,4922025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
14,104 sqft · built 1977 · 0.588 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,250,000Feb 2020 | $56,6012025 | —Jan 2020 | 1 Name on Record | Assessor + 8 DocumentsUpdated Jul 2026 |
3 bd · 1 ba · 1,400 sqft · built 1947 · 0.148 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $430,000Dec 2001 | $11,5302025 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |