Contra Costa County property records for 4 units in 321 Hartz Ave, Danville, CA · Last verified July 2026
| Properties | 4 |
|---|---|
| Latest Sale | $652,000 (Dec 2024) |
| Deeds and Mortgages on File | 2 |
| Average Living Area | 3,990 sq ft |
| Median Annual Tax Bill | $10,742 |
| Median Year Built | 1983 |
| Average Ownership Tenure | 2 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
321, #105 Hartz Ave |
974 sqft built 1983 · 0.026 acres | $7,746 2025 | Assessor Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
321, #106 Hartz Ave |
12,250 sqft built 1983 · 0.025 acres | $10,742 2025 | Assessor + 2 Documents Updated Jul 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
321, #203 Hartz Ave |
918 sqft built 1983 · 0.026 acres | $652,000 Dec 2024 | $7,458 2025 | Assessor Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
321, #204 Hartz Ave |
1,818 sqft built 1983 · 0.047 acres | $351,500 Mar 2024 | $13,267 2025 | Assessor Updated Jul 2026 | 2 Owners on File |