San Mateo County property records for 69 addresses on Old County Rd, San Carlos, CA · Last verified August 2026
| Properties | 84 |
|---|---|
| Median Sale Price | $3,000,000 |
| Deeds and Mortgages on File | 105 |
| Median Price per Sqft | $575 |
| Owner Occupied | 25% |
| Median Annual Tax Bill | $12,045 |
| Median Year Built | 1969 |
| Median Ownership Tenure | 13 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4,420 sqft · built 1951 · 0.311 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,1632025 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
3,894 sqft · built 1952 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $319,150Jul 1999 | $7,0112025 | —Aug 1997 | 1 Name on Record | AssessorUpdated Jul 2026 |
9 units · Built 1983 · 1,477 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $10,000Feb 2015 | $4,0062025 | $72,0009 units |
13,875 sqft · built 1987 · 0.682 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2008 | $23,8892025 | —Dec 2014 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jun 2002 | $10,1312025 | 2 Names on Record | AssessorUpdated Jul 2026 |
7,000 sqft · built 1969 · 0.228 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,450,000Jan 2016 | $20,8992025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.234 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $250,000Nov 1997 | $6,0642025 | —Nov 1997 | 2 Names on Record | AssessorUpdated Jul 2026 |
2,000 sqft · built 1945 · 0.174 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $150,000Nov 1984 | $4,9732025 | 2 Names on Record | AssessorUpdated Jul 2026 |
5,592 sqft · built 1964 · 0.229 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $11,7462025 | —Jan 2008 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
4,206 sqft · built 1946 · 0.399 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $950,000Dec 2008 | $19,9362025 | —Nov 2008 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5,462 sqft · built 1985 · 0.322 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,800,000Sep 2016 | $38,7282025 | Amount on Record Aug 2009 | 2 Names on Record | AssessorUpdated Jul 2026 |
14,784 sqft · built 2011 · 0.735 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $865,000Sep 2010 | $42,1662025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
14,740 sqft · built 1980 · 0.66 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $14,8542025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
25,213 sqft · built 1979 · 1.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $36,4412025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
13,750 sqft · built 1965 · 0.539 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Dec 2004 | $6,8532025 | —Sep 2009 | 2 Names on Record | AssessorUpdated Jul 2026 |
0.7 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,500,000Dec 2011 | $25,2702025 | —Dec 2011 | 1 Name on Record | Assessor + 1 DocumentUpdated Aug 2026 |
6,384 sqft · built 1984 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,000,000Jan 2022 | $29,5422025 | —Jan 2014 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
8 units · Built 1999 · 970 sq ft
| Last Sale | Median Tax Bill | Median Sale | ||
|---|---|---|---|---|
| $915,000Sep 2024 | $5,6332025 | $215,0008 units |
2 bd · 1 ba · 820 sqft · built 1948 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $670,000Jun 2013 | $11,0842025 | Amount on Record Feb 2012 | 1 Name on Record | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 820 sqft · built 1948 · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000Apr 2010 | $7,7052025 | Amount on Record Feb 2006 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 1 ba · 820 sqft · built 1948 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $707,000Nov 2013 | $11,4712025 | Amount on Record Jul 2012 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 820 sqft · built 1948 · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,000,000Mar 2026 | $6,0032025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 2 ba · 1,320 sqft · built 1948 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,275,000May 2023 | $16,6812025 | Amount on Record Apr 2008 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,090 sqft · built 1948 · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $679,000Dec 2018 | $10,0392025 | —Nov 2016 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
3 bd · 1 ba · 1,090 sqft · built 1948 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $420,000Mar 2009 | $8,6312025 | Amount on Record May 2008 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 1 ba · 820 sqft · built 1948 · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,100,000Jul 2019 | $15,3032025 | Amount on Record Jun 2005 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,090 sqft · built 1948 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $545,000Jul 2008 | $9,7092025 | Amount on Record Dec 1993 | 2 Names on Record | AssessorUpdated Jul 2026 |
0.88 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,7622025 | —Nov 1994 | 1 Name on Record | AssessorUpdated Jul 2026 |
11,226 sqft · built 1950 · 0.478 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $17,0122025 | 1 Name on Record | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 840 sqft · built 1936 · 0.602 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
17,297 sqft · built 1962 · 0.835 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2015 | $5,7882025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
16,414 sqft · built 1989 · 0.378 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,750,000May 2013 | $34,6232025 | Amount on Record Sep 1998 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.3 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 2006 | $23,1232025 | 2 Names on Record | AssessorUpdated Jul 2026 |
8,558 sqft · built 1974 · 0.288 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,350,000Oct 2014 | $34,2732025 | Amount on Record Sep 2003 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
6,788 sqft · built 1963 · 0.229 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $585,000Aug 2003 | $13,1052025 | Amount on Record Jun 2002 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1,957 sqft · built 1957 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,3772025 | —Jan 2004 | 2 Names on Record | AssessorUpdated Aug 2026 |
0.178 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $222,500Oct 2014 | $5,5962025 | Amount on Record Jan 2006 | 2 Names on Record | AssessorUpdated Jul 2026 |
4,500 sqft · built 1952 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $222,500Oct 2014 | $9,0512025 | Amount on Record Jan 2006 | 2 Names on Record | AssessorUpdated Jul 2026 |
0.175 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,200,000Jul 2022 | $27,0362025 | —Apr 2008 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
11,330 sqft · built 1959 · 0.507 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,7182025 | 2 Names on Record | Assessor + 12 DocumentsUpdated Aug 2026 |
22,276 sqft · built 1947 · 0.743 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,600,000Aug 2005 | $26,2922025 | —Aug 2005 | 2 Names on Record | AssessorUpdated Aug 2026 |
44,910 sqft · built 1971 · 1.02 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,150,000Jun 2026 | $37,4272025 | Amount on Record Feb 2015 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
0.395 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,000,000Aug 2020 | $36,9432025 | —Apr 2020 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
0.465 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $10,000,000Aug 2020 | $46,9282025 | —Apr 2020 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
0.474 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,000,000Jun 2020 | $45,4022025 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
15,684 sqft · built 1979 · 1.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $139,000Aug 2020 | $104,2612025 | Amount on Record May 2020 | 1 Name on Record | Assessor + 4 DocumentsUpdated Jul 2026 |
0.305 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $139,000Aug 2020 | $29,6932025 | Amount on Record May 2020 | 1 Name on Record | Assessor + 4 DocumentsUpdated Jul 2026 |
72,300 sqft · 3.32 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $98,130,000Apr 2020 | $368,5062025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.632 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000May 1996 | $40,5812025 | 1 Name on Record | AssessorUpdated Jul 2026 |
8 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $540,000May 1996 | $275,4662025 | —May 1996 | 1 Name on Record | AssessorUpdated Jul 2026 |
5,300 sqft · built 2006 · 0.664 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,050,000Oct 2023 | $36,5612025 | Amount on Record Oct 2006 | 1 Name on Record | Assessor + 5 DocumentsUpdated Jul 2026 |
43,689 sqft · built 1991 · 3.58 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $20,087,500Nov 2020 | $300,9492025 | 1 Name on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
0.819 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,758,000Feb 2026 | $99,4312025 | 1 Name on Record | Assessor + 6 DocumentsUpdated Aug 2026 |
1.99 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $23,8422025 | 1 Name on Record | AssessorUpdated Jul 2026 |
12,040 sqft · 0.336 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,4922025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
9,023 sqft · built 1957 · 0.289 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,550,000Apr 2015 | $63,8312025 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
2,250 sqft · built 1946 · 0.057 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $155,000Aug 1985 | $4,9562025 | 1 Name on Record | AssessorUpdated Jul 2026 |
1,000 sqft · built 1967 · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $950,000Oct 2016 | $14,1552025 | Amount on Record Sep 2016 | 2 Names on Record | Assessor + 1 DocumentUpdated Aug 2026 |
14,370 sqft · built 1963 · 0.467 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $48,0202025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2,400 sqft · built 1941 · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,430Feb 2026 | $2,1242025 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
1,710 sqft · built 1951 · 0.058 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,0872025 | 2 Names on Record | AssessorUpdated Jul 2026 |
4,000 sqft · built 1946 · 0.116 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $225,000Dec 1985 | $6,6862025 | 1 Name on Record | AssessorUpdated Jul 2026 |
1,738 sqft · built 1974 · 0.058 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $220,000Jun 2018 | $8,2142025 | Amount on Record Aug 2014 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.175 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,4732025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2,000 sqft · built 1946 · 0.058 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $675,000Feb 2015 | $10,5672025 | —Sep 1995 | 1 Name on Record | AssessorUpdated Jul 2026 |
7,614 sqft · built 1965 · 0.225 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,1142025 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
0.858 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,375,000Jun 2021 | $73,9702025 | 1 Name on Record | Assessor + 1 DocumentUpdated Jul 2026 |
18,880 sqft · built 2011 · 0.905 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,200,000Oct 2008 | $58,8052025 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
1.47 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 2013 | $77,3482022 | —Mar 2023 | 2 Names on Record Owner Occupied | AssessorUpdated Jun 2023 |
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 |