San Bernardino County property records for 17 addresses on N Helen Ave, Ontario, CA · Last verified October 2026
| Properties | 17 |
|---|---|
| Median Sale Price | $480,000 |
| Deeds and Mortgages on File | 25 |
| Median Price per Sqft | $208 |
| Owner Occupied | 94% |
| Median Annual Tax Bill | $3,164 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 17 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1310 N Helen Ave |
3 bd · 3 ba · 1,821 sqft built 1959 · 0.411 acres | $947 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1319 N Helen Ave |
2 bd · 2.5 ba · 1,722 sqft built 1952 · 0.509 acres | $178,000 Mar 2000 | $2,941 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1320 N Helen Ave |
3 bd · 2 ba · 1,694 sqft built 1951 · 0.509 acres | $221,500 Dec 1989 | $4,484 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1325 N Helen Ave |
3 bd · 2 ba · 1,988 sqft built 1954 · 0.436 acres | $290,000 Jun 2009 | $4,111 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1330 N Helen Ave |
4 bd · 2 ba · 1,632 sqft built 1957 · 0.436 acres | $230,000 Feb 2009 | $3,265 2025 | Assessor Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1335, Unit A N Helen Ave |
5 bd · 3 ba · 2,303 sqft built 1952 · 0.436 acres | $480,000 Dec 2017 | $6,761 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1336 N Helen Ave |
2 bd · 3 ba · 1,894 sqft built 1955 · 0.436 acres | $625,000 Nov 2020 | $8,353 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1343 N Helen Ave |
3 bd · 2 ba · 1,638 sqft built 1955 · 0.436 acres | $2,037 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1344 N Helen Ave |
2 bd · 2 ba · 1,497 sqft built 1953 · 0.436 acres | $150,000 Jul 2002 | $872 2025 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1351 N Helen Ave |
3 bd · 1.5 ba · 2,185 sqft built 1953 · 0.436 acres | $175,000 Sep 1994 | $3,164 2025 | Assessor + 1 Document Updated Jul 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1352 N Helen Ave |
2 bd · 2 ba · 1,546 sqft built 1957 · 0.436 acres | $765,000 Aug 2026 | $2,968 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1359 N Helen Ave |
5 bd · 4.5 ba · 2,691 sqft built 1955 · 0.436 acres | $510,000 Sep 2018 | $6,843 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1360 N Helen Ave |
3 bd · 2 ba · 1,544 sqft built 1955 · 0.436 acres | $245,000 Jun 2012 | $3,315 2025 | Assessor + 3 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1405 N Helen Ave |
3 bd · 1.75 ba · 1,056 sqft built 1956 · 0.206 acres | $225,000 Feb 2010 | $3,202 2025 | Assessor + 1 Document Updated Jul 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1420 N Helen Ave |
4 bd · 2 ba · 1,335 sqft built 1972 · 0.17 acres | $191,000 May 2009 | $2,639 2025 | Assessor + 1 Document Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1423 N Helen Ave |
4 bd · 1.75 ba · 1,357 sqft built 1956 · 0.208 acres | $1,753 2025 | Assessor + 2 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
1440 N Helen Ave |
4 bd · 2 ba · 1,335 sqft built 1972 · 0.17 acres | $175,000 May 2002 | $2,853 2025 | Assessor Updated Jul 2026 | 2 Owners on File Owner Occupied |