S Helen Ave, Ontario, CA Property Records

San Bernardino County property records for 74 addresses on S Helen Ave, Ontario, CA · Last verified October 2026

S Helen Ave Highlights

Properties 74
Median Sale Price $875,000
Deeds and Mortgages on File 133
Median Price per Sqft $423
Owner Occupied 88%
Median Annual Tax Bill $4,965
Median Year Built 1956
Median Ownership Tenure 19 years

Properties on S Helen Ave

Address Details Last Sale Tax Bill Records Owner

1308 S Helen Ave

4 bd · 4 ba · 3,766 sqft built 1991 · 0.397 acres $1,288,000 Dec 2024 $14,195 2025 Assessor + 2 Documents Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

1407 S Helen Ave

5 bd · 2.5 ba · 2,754 sqft built 2003 · 0.409 acres $513,500 Jan 2004 $6,102 2025 Assessor + 1 Document Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1412 S Helen Ave

4 bd · 3 ba · 2,643 sqft built 1991 · 0.412 acres $280,000 Feb 1994 $5,837 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1415 S Helen Ave

5 bd · 2.5 ba · 2,652 sqft built 2003 · 0.413 acres $465,000 Jan 2004 $7,189 2025 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1420 S Helen Ave

3 bd · 3 ba · 2,543 sqft built 1991 · 0.412 acres $284,000 Jul 2002 $5,211 2025 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1427 S Helen Ave

5 bd · 2.5 ba · 2,754 sqft built 2003 · 0.435 acres $500,000 Jan 2004 $7,883 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1428 S Helen Ave

4 bd · 3 ba · 2,643 sqft built 1991 · 0.412 acres $1,100,000 Sep 2024 $12,060 2025 Assessor + 4 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1436 S Helen Ave

3 bd · 3 ba · 2,784 sqft built 1991 · 0.412 acres $435,000 Jul 2013 $6,242 2025 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1445 S Helen Ave

5 bd · 2.5 ba · 2,754 sqft built 2003 · 0.413 acres $465,000 Jan 2004 $7,189 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1465 S Helen Ave

4 bd · 3.5 ba · 3,472 sqft built 1993 · 0.787 acres $840,000 Nov 2020 $9,906 2025 Assessor + 3 Documents Updated Oct 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1618 S Helen Ave

3 bd · 2 ba · 1,495 sqft built 1980 · 0.414 acres $248,000 Nov 2001 $7,842 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1628 S Helen Ave

4 bd · 2.5 ba · 1,946 sqft built 1980 · 0.414 acres — Jul 1996 $2,932 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1642 S Helen Ave

4 bd · 2.5 ba · 2,773 sqft built 1979 · 1.01 acres $760,000 May 2012 $11,449 2025 Assessor + 4 Documents Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1652 S Helen Ave

4 bd · 2.5 ba · 2,222 sqft built 1979 · 0.868 acres $2,781 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1709 S Helen Ave

4 bd · 2 ba · 1,792 sqft built 1974 · 0.417 acres $910,000 Sep 2025 $1,616 2025 Assessor + 6 Documents Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1710 S Helen Ave

4 bd · 2 ba · 1,792 sqft built 1974 · 0.394 acres $339,000 Mar 2003 $5,942 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1720 S Helen Ave

3 bd · 2 ba · 1,860 sqft built 1974 · 0.394 acres $800,000 Feb 2025 $4,173 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1730 S Helen Ave

3 bd · 2 ba · 1,832 sqft built 1974 · 0.412 acres $200,000 Jan 2000 $3,397 2025 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1740 S Helen Ave

4 bd · 2 ba · 1,860 sqft built 1974 · 0.415 acres $980,000 May 2024 $10,895 2025 Assessor + 2 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1750 S Helen Ave

4 bd · 2 ba · 1,792 sqft built 1974 · 0.415 acres $158,000 Apr 1994 $2,892 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1755 S Helen Ave

4 bd · 2 ba · 1,792 sqft built 1974 · 0.413 acres $2,150 2025 Assessor + 2 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1806 S Helen Ave

3 bd · 2 ba · 1,491 sqft built 1951 · 0.412 acres $569,000 Aug 2020 $6,771 2025 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1815 S Helen Ave

4 bd · 2 ba · 1,745 sqft built 1948 · 0.416 acres $172,000 Apr 1990 $4,285 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1818 S Helen Ave

3 bd · 1 ba · 1,825 sqft built 1952 · 0.412 acres $125,000 Jan 1998 $2,589 2025 Assessor Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1823, Unit A S Helen Ave

5 bd · 3 ba · 2,021 sqft built 1947 · 0.416 acres $470,000 Jun 2007 $8,429 2025 Assessor + 4 Documents Updated Aug 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1824 S Helen Ave

2 bd · 2 ba · 1,911 sqft built 1950 · 0.412 acres $809,000 Apr 2022 $9,351 2025 Assessor + 5 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1834 S Helen Ave

4 bd · 2.75 ba · 2,328 sqft built 1928 · 0.412 acres $271,000 Aug 2003 $5,343 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1835 S Helen Ave

2 bd · 2 ba · 2,013 sqft built 1947 · 0.416 acres $710,000 Nov 2020 $8,442 2025 Assessor + 3 Documents Updated Aug 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1844 S Helen Ave

4 bd · 1.5 ba · 1,922 sqft built 1945 · 0.412 acres $289,000 Mar 2020 $3,504 2025 Assessor + 4 Documents Updated Sep 2026 2 Owners on File
Address Details Last Sale Tax Bill Records Owner

1845 S Helen Ave

3 bd · 2 ba · 1,550 sqft built 1949 · 0.416 acres $657 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1854 S Helen Ave

2 bd · 1 ba · 934 sqft built 1947 · 0.412 acres $425,000 Oct 2005 $4,887 2025 Assessor + 3 Documents Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

1855 S Helen Ave

4 bd · 1 ba · 1,334 sqft built 1949 · 0.24 acres $106,000 Dec 1993 $2,370 2025 Assessor + 3 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1861 S Helen Ave

3 bd · 2 ba · 1,590 sqft built 1948 · 0.416 acres $260,000 Nov 2008 $3,694 2025 Assessor Updated Sep 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

1902 S Helen Ave

2 bd · 1 ba · 796 sqft built 1946 · 0.412 acres $350,000 Dec 2017 $4,389 2025 Assessor + 6 Documents Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1909 S Helen Ave

3 bd · 1 ba · 1,248 sqft built 1950 · 0.416 acres $3,578 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1912 S Helen Ave

4 bd · 3 ba · 2,670 sqft built 1949 · 0.412 acres $552,000 Oct 2004 $5,479 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1919, Unit A S Helen Ave

5 bd · 3 ba · 2,122 sqft built 1947 · 0.416 acres $390,000 May 2019 $6,806 2025 Assessor + 3 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1920 S Helen Ave

3 bd · 1 ba · 1,041 sqft built 1947 · 0.206 acres $410,000 Dec 2019 $4,938 2025 Assessor + 3 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1924 S Helen Ave

2 bd · 1 ba · 667 sqft built 1947 · 0.206 acres $475,000 Feb 2022 $6,394 2025 Assessor + 6 Documents Updated Sep 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

1927 S Helen Ave

6 bd · 5.5 ba · 3,374 sqft built 1958 · 0.416 acres $275,000 Aug 2009 $7,411 2025 Assessor + 4 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1930 S Helen Ave

3 bd · 2 ba · 2,040 sqft built 1949 · 0.412 acres $148,000 Sep 1988 $3,429 2025 Assessor + 4 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1939 S Helen Ave

3 bd · 2 ba · 1,695 sqft built 1952 · 0.416 acres $143,500 Feb 1997 $2,583 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1940 S Helen Ave

3 bd · 1 ba · 1,200 sqft built 1949 · 0.412 acres — Nov 2022 $1,953 2025 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1947 S Helen Ave

2 bd · 1 ba · 863 sqft built 1950 · 0.416 acres $129,000 Apr 2010 $1,852 2025 Assessor Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

1950 S Helen Ave

3 bd · 2 ba · 1,580 sqft built 1950 · 0.412 acres $620,000 Apr 2006 $4,537 2025 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1959 S Helen Ave

2 bd · 1 ba · 1,132 sqft built 1950 · 0.416 acres $123,500 May 1988 $1,634 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

1960 S Helen Ave

4 bd · 2 ba · 2,544 sqft built 1951 · 0.412 acres $320,000 Jun 2003 $5,334 2025 Assessor + 2 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2003 S Helen Ave

4 bd · 3 ba · 1,942 sqft built 1927 · 0.416 acres $350,000 Apr 2014 $5,830 2025 Assessor + 7 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2004 S Helen Ave

3 bd · 2 ba · 2,191 sqft built 1948 · 0.412 acres $579,000 Sep 2015 $7,456 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2011 S Helen Ave

2 bd · 1 ba · 720 sqft built 1947 · 0.21 acres $1,313 2025 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2012 S Helen Ave

4 bd · 2 ba · 1,464 sqft built 1951 · 0.412 acres $421,000 Jan 2015 $5,568 2025 Assessor + 2 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2015 S Helen Ave

3 bd · 1 ba · 918 sqft built 1946 · 0.21 acres $175,000 Mar 2018 $1,705 2025 Assessor + 1 Document Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2020 S Helen Ave

1 bd · 2 ba · 861 sqft built 1946 · 0.412 acres $2,051 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2025 S Helen Ave

2 bd · 2 ba · 1,400 sqft built 1955 · 0.416 acres $238,000 Oct 2012 $3,237 2025 Assessor + 1 Document Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

2032 S Helen Ave

3 bd · 1.5 ba · 2,382 sqft built 1956 · 0.412 acres $875,000 Sep 2026 $1,870 2025 Assessor + 2 Documents Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2033 S Helen Ave

4 bd · 2 ba · 1,997 sqft built 1949 · 0.416 acres $250,000 Aug 2011 $3,390 2025 Assessor + 1 Document Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2036 S Helen Ave

4 bd · 3 ba · 3,644 sqft built 2002 · 0.412 acres $150,000 Apr 2001 $9,295 2025 Assessor Updated Oct 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2039 S Helen Ave

3 bd · 1.5 ba · 1,179 sqft built 1961 · 0.416 acres $350,000 Aug 2017 $4,389 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2050 S Helen Ave

4 bd · 3 ba · 1,950 sqft built 1953 · 0.412 acres $650,000 Apr 2007 $8,841 2025 Assessor + 4 Documents Updated Sep 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2051, #1-2 S Helen Ave

4 bd · 2 ba · 1,974 sqft built 1949 · 0.416 acres $365,000 Oct 2018 $5,923 2025 Assessor + 9 Documents Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

2061 S Helen Ave

3 bd · 1.5 ba · 1,574 sqft built 1949 · 0.416 acres $230,000 May 2009 $3,272 2025 Assessor + 1 Document Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

2062 S Helen Ave

3 bd · 2.5 ba · 1,533 sqft built 1949 · 0.429 acres $182,000 Jan 2001 $3,482 2025 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2104 S Helen Ave

4 bd · 2 ba · 1,727 sqft built 1979 · 0.415 acres $635,000 Jan 2006 $8,382 2025 Assessor + 3 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2105 S Helen Ave

4 bd · 2.5 ba · 1,995 sqft built 1979 · 0.431 acres $205,000 May 1999 $4,433 2025 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2114 S Helen Ave

4 bd · 2 ba · 1,858 sqft built 1979 · 0.428 acres $480,000 Dec 2004 $7,910 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2115 S Helen Ave

4 bd · 2 ba · 2,248 sqft built 1979 · 0.444 acres $3,621 2025 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2124 S Helen Ave

3 bd · 2 ba · 2,009 sqft built 1979 · 0.428 acres $1,200,000 Oct 2024 $13,089 2025 Assessor + 2 Documents Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2125 S Helen Ave

4 bd · 2 ba · 1,858 sqft built 1979 · 0.444 acres $245,000 Nov 1999 $4,549 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2134 S Helen Ave

4 bd · 2 ba · 1,727 sqft built 1979 · 0.428 acres $325,000 Aug 2003 $5,921 2025 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2135 S Helen Ave

3 bd · 2 ba · 2,161 sqft built 1979 · 0.444 acres $225,000 Jun 1994 $4,965 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2144 S Helen Ave

4 bd · 2 ba · 2,288 sqft built 1979 · 0.428 acres — Nov 2003 $3,146 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2145 S Helen Ave

4 bd · 2 ba · 1,727 sqft built 1979 · 0.444 acres $699,000 Nov 2006 $8,622 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2154 S Helen Ave

4 bd · 2 ba · 1,727 sqft built 1979 · 0.432 acres $2,516 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

2155 S Helen Ave

4 bd · 2 ba · 1,858 sqft built 1979 · 0.449 acres $900,000 Oct 2021 $10,484 2025 Assessor + 1 Document Updated Jul 2026 2 Owners on File Owner Occupied

Property Records in Nearby Streets