San Diego County property records for 21 addresses on Diamond St, San Marcos, CA · Last verified August 2026
| Properties | 21 |
|---|---|
| Median Sale Price | $2,620,000 |
| Deeds and Mortgages on File | 21 |
| Median Price per Sqft | $1,099 |
| Owner Occupied | 29% |
| Median Annual Tax Bill | $21,826 |
| Median Year Built | 1990 |
| Median Ownership Tenure | 22 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
100 sqft · built 1990 · 0.58 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,620,000Dec 2021 | $31,2292025 | Amount on Record Dec 2003 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
7,728 sqft · built 1997 · 5.31 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,500,000Aug 2019 | $111,0722025 | Amount on Record Jun 2012 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2,397 sqft · built 1991 · 0.7 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $924,500Sep 1999 | $19,4682025 | Amount on Record Nov 1987 | Owner on Record | Assessor + 1 DocumentUpdated Jul 2026 |
1,404 sqft · built 1989 · 0.71 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,070,000Aug 2025 | $29,9812025 | Amount on Record Aug 2023 | Owner on Record | Assessor + 1 DocumentUpdated Aug 2026 |
20 bd · 8 ba · 5,576 sqft · built 1989 · 0.7 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,900,000Jun 2015 | $25,4662025 | Amount on Record Dec 1988 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4,273 sqft · built 2006 · 0.719 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $885,000Sep 2004 | $22,4472025 | Amount on Record Oct 1998 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
1,925 sqft · built 1989 · 0.66 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $485,500Sep 1994 | $9,8852025 | Amount on Record Sep 1994 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
3,250 sqft · built 1992 · 1.23 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $21,6862025 | —Jun 2003 | 2 Owners on Record | AssessorUpdated Aug 2026 |
1,246 sqft · built 1999 · 1.78 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,000,000Apr 2022 | $111,6622025 | Amount on Record Sep 2018 | Owner on Record | Assessor + 3 DocumentsUpdated Jul 2026 |
6,496 sqft · built 2001 · 0.485 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,250,000Apr 2022 | $28,0532025 | Amount on Record Mar 1999 | Owner on Record | Assessor + 4 DocumentsUpdated Jul 2026 |
592 sqft · built 1998 · 0.66 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $120,000Mar 1997 | $16,9162025 | —Dec 1996 | Owner on Record | AssessorUpdated Jul 2026 |
built 2000 · 1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $343,000Apr 1989 | $8,0812025 | Owner on Record | AssessorUpdated Aug 2026 |
1,225 sqft · built 1984 · 0.619 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $940,000Mar 2011 | $14,9632025 | Amount on Record Jun 1983 | Owner on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
built 2000 · 1.08 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,250,000Oct 1999 | $18,9212025 | Owner on Record | AssessorUpdated Aug 2026 |
9,999 sqft · built 1983 · 5.38 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 1994 | $148,6342025 | Owner on Record Owner Occupied | AssessorUpdated Aug 2026 |
6,205 sqft · built 2006 · 1.51 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $800,000Oct 2002 | $94,2782025 | Owner on Record | AssessorUpdated Aug 2026 |
20 bd · 10.5 ba · 4,101 sqft · built 1984 · 1.05 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Jan 1992 | $17,0192025 | Amount on Record Jun 1983 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
11 bd · 8.5 ba · 5,100 sqft · built 1985 · 0.939 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $868,000May 1989 | $19,3502025 | Amount on Record Dec 1983 | Owner on Record | AssessorUpdated Jul 2026 |
773 sqft · built 1981 · 0.8 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,375,000May 2004 | $21,8262025 | Amount on Record Oct 1984 | Owner on Record | AssessorUpdated Jul 2026 |
2,040 sqft · built 1983 · 0.83 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $698,000Sep 1997 | $12,4942025 | Owner on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
4,953 sqft · built 1983 · 1.11 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,575,000Sep 2020 | $31,1122025 | Amount on Record Apr 2003 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |