Orange County property records for 46 addresses on Neptune Ave, Newport Beach, CA · Last verified October 2026
| Properties | 46 |
|---|---|
| Median Sale Price | $2,600,000 |
| Deeds and Mortgages on File | 56 |
| Median Price per Sqft | $1,769 |
| Owner Occupied | 24% |
| Median Annual Tax Bill | $11,848 |
| Median Year Built | 1962 |
| Median Ownership Tenure | 14 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4700 Neptune Ave |
2 bd · 1 ba · 2,432 sqft built 1961 · 0.094 acres | $1,935 2025 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4702 Neptune Ave |
2 bd · 3 ba · 2,734 sqft built 1958 · 0.097 acres | $1,150,000 Jan 2003 | $17,857 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4704 Neptune Ave |
3 ba · 1,800 sqft built 1946 · 0.093 acres | — Dec 2010 | $10,299 2025 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4706 Neptune Ave |
2,365 sqft built 1959 · 0.093 acres | $1,575,000 May 2005 | $23,438 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4708 Neptune Ave |
1,610 sqft built 1950 · 0.094 acres | $8,552 2025 | Assessor + 2 Documents Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4710, #1 Neptune Ave |
3 bd · 2 ba · 1,597 sqft built 1963 | $4,940 2025 | Assessor Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4800 Neptune Ave |
2,285 sqft built 1958 · 0.101 acres | $533,500 Jun 2004 | $16,052 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4802 Neptune Ave |
2,306 sqft built 1962 · 0.077 acres | $535,000 Jul 1990 | $8,508 2025 | Assessor + 3 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4804 Neptune Ave |
2 bd · 1 ba · 1,136 sqft built 1947 · 0.071 acres | $2,250,000 Sep 2021 | $25,423 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4806 Neptune Ave |
3 bd · 2 ba · 2,274 sqft built 1960 · 0.145 acres | $2,801 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4810 Neptune Ave |
2 bd · 2 ba · 1,307 sqft built 1961 · 0.077 acres | $2,395,000 Aug 2019 | $28,008 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4812 Neptune Ave |
2,400 sqft built 1962 · 0.075 acres | $5,127 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4814 Neptune Ave |
2,337 sqft built 1962 · 0.075 acres | $1,950,000 Sep 2017 | $23,812 2025 | Assessor + 4 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4900 Neptune Ave |
3,712 sqft built 1965 · 0.073 acres | $1,850,000 Jun 2017 | Assessor Updated May 2024 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4900, Apt A Neptune Ave |
4 bd · 3.5 ba · 1,931 sqft built 2016 | $1,850,000 Jun 2017 | $22,897 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4900, Apt B Neptune Ave |
4 bd · 3.5 ba · 1,740 sqft built 2016 | $1,600,000 Nov 2016 | $19,857 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4902 Neptune Ave |
6 bd · 2,337 sqft built 1961 · 0.075 acres | — Aug 2012 | $17,596 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4904 Neptune Ave |
6 bd · 2,337 sqft built 1961 · 0.075 acres | — Aug 2012 | $17,596 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4906 Neptune Ave |
2,323 sqft built 1961 · 0.075 acres | $429,500 Mar 1998 | $7,672 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4908 Neptune Ave |
2 bd · 1 ba · 912 sqft built 1952 · 0.075 acres | $219,500 Jul 1994 | $5,830 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4910 Neptune Ave |
3,434 sqft built 1988 · 0.075 acres | $2,150,000 May 2015 | $28,516 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5000 Neptune Ave |
3,019 sqft built 1960 · 0.071 acres | $2,280 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5002 Neptune Ave |
2,196 sqft built 1961 · 0.071 acres | $6,395 2025 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5004 Neptune Ave |
built 1962 · 0.071 acres | $1,450,000 Aug 2011 | $26,919 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5006 Neptune Ave |
1,248 sqft built 1971 · 0.071 acres | $1,300,000 Feb 2012 | $17,673 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5008 Neptune Ave |
1,979 sqft built 1961 · 0.071 acres | $2,112 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5010 Neptune Ave |
1,280 sqft built 1961 · 0.071 acres | $1,800,000 Oct 2008 | $24,851 2025 | Assessor + 5 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5100 Neptune Ave |
2,234 sqft built 1974 · 0.071 acres | $4,109 2025 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5102 Neptune Ave |
1,465 sqft built 1973 · 0.071 acres | $3,150,000 Nov 2023 | $34,228 2025 | Assessor + 1 Document Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5104 Neptune Ave |
2,655 sqft built 1961 · 0.071 acres | $3,938,000 Mar 2022 | $44,350 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5106 Neptune Ave |
2,338 sqft built 1962 · 0.071 acres | $3,015 2025 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5108 Neptune Ave |
1,465 sqft built 1973 · 0.071 acres | $729,000 Jun 2002 | $11,848 2025 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5110 Neptune Ave |
2,240 sqft built 1968 · 0.071 acres | $6,379 2025 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5200 Neptune Ave |
2 bd · 2 ba · 1,231 sqft built 1956 · 0.069 acres | $1,170,000 Jun 2014 | $15,360 2025 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5202 Neptune Ave |
2,315 sqft built 1962 · 0.068 acres | $2,734 2025 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5204 Neptune Ave |
5 bd · 2,660 sqft built 1965 · 0.068 acres | $2,600,000 Jan 2025 | $6,982 2025 | Assessor Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5206 Neptune Ave |
2,660 sqft built 1965 · 0.068 acres | $1,180,000 Oct 2009 | $16,524 2025 | Assessor Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5208 Neptune Ave |
2,355 sqft built 1963 · 0.061 acres | $410,000 Aug 1991 | $8,161 2025 | Assessor + 1 Document Updated Sep 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5210 Neptune Ave |
1,996 sqft built 1960 · 0.058 acres | $1,650,000 Apr 2016 | $21,030 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5300 Neptune Ave |
4 bd · 2 ba · 1,782 sqft built 1967 · 0.051 acres | $1,150,000 Oct 2008 | $15,922 2025 | Assessor + 2 Documents Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5302 Neptune Ave |
3 bd · 3 ba · 1,964 sqft built 2008 · 0.054 acres | $1,100,000 Oct 2010 | $17,060 2025 | Assessor + 2 Documents Updated Aug 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5304 Neptune Ave |
3 bd · 2.5 ba · 1,445 sqft built 1960 · 0.051 acres | $4,906 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5306 Neptune Ave |
4 bd · 3 ba · 1,800 sqft built 1988 · 0.049 acres | $3,185,000 Apr 2025 | $29,870 2025 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5308 Neptune Ave |
3 bd · 2.5 ba · 1,325 sqft built 1960 · 0.047 acres | $1,547 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5310 Neptune Ave |
3 bd · 2.5 ba · 1,725 sqft built 2003 · 0.045 acres | $3,157 2025 | Assessor + 2 Documents Updated Sep 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
5406 Neptune Ave |
2,069 sqft built 1960 · 0.084 acres | — Jun 1982 | $8,790 2025 | Assessor Updated Aug 2026 | 2 Owners on File |