San Mateo County property records for 6 addresses on Irwin Dr, Hillsborough, CA · Last verified August 2026
| Properties | 6 |
|---|---|
| Median Sale Price | $12,000,000 |
| Deeds and Mortgages on File | 13 |
| Median Price per Sqft | $1,929 |
| Owner Occupied | 50% |
| Median Annual Tax Bill | $108,567 |
| Median Year Built | 1936 |
| Median Ownership Tenure | 1 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
0.033 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,000,000Dec 2025 | $752025 | Amount on Record Jul 2013 | 1 Name on Record | Assessor + 3 DocumentsUpdated Aug 2026 |
5 bd · 6.5 ba · 6,219 sqft · 0.971 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,000,000Dec 2025 | $108,5672025 | Amount on Record Jul 2013 | 1 Name on Record | Assessor + 4 DocumentsUpdated Aug 2026 |
6 bd · 5.5 ba · 6,460 sqft · 1.35 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,1452025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
5 bd · 5.5 ba · 6,350 sqft · 1.13 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $12,500,000Oct 2023 | $148,5942025 | Amount on Record Apr 2010 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 8 ba · 6,530 sqft · 0.695 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $24,1102025 | —Aug 2004 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
6 bd · 6 ba · 12,055 sqft · 2 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,100,000Aug 2013 | $198,0942025 | —May 1995 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Low this street's cells rank at the 2nd percentile of exposed land nationally · 2nd in California |
|---|---|
| Wildfire Likelihood | Low — less than 1 in 10,000 per year |
| Exposure | Direct 1 of 2 cells directly exposed · 2 adjoin burnable vegetation |