W 18th St, Costa Mesa, CA Property Records

Orange County property records for 96 addresses on W 18th St, Costa Mesa, CA · Last verified August 2026

W 18th St Highlights

Properties 145
Median Sale Price $1,750,000
Deeds and Mortgages on File 241
Median Price per Sqft $706
Owner Occupied 34%
Median Annual Tax Bill $7,822
Median Year Built 1966
Median Ownership Tenure 17 years

Properties on W 18th St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

565 W 18th St

0.997 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8732025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

610 W 18th St

5,600 sqft · Built 1950 · 0.576 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9012025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

618 W 18th St

2 bd · 1.5 ba · 1,175 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,7482025 1 Name on Record AssessorUpdated Aug 2026

632 W 18th St

5 bd · 2 ba · 1,768 sqft · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$225,000Aug 1992 $5,0982025 —Jul 2000 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

638 W 18th St

2 bd · 2 ba · 1,065 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,8582025 —Jul 2003 1 Name on Record AssessorUpdated Aug 2026

642 W 18th St

3 bd · 1 ba · 1,001 sqft · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$813,000Mar 2015 $11,9292025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

647 W 18th St

3 bd · 2 ba · 1,730 sqft · 0.14 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$392,000Jun 2003 $7,3832025 —Dec 2002 2 Names on Record Owner Occupied AssessorUpdated Jan 2026

648B W 18th St

3 bd · 2 ba · 1,094 sqft · 0.413 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,097,000Jan 2016 $18,2102025 Amount on Record — 1 Name on Record Assessor + 1 DocumentUpdated Nov 2025

650 W 18th St

13 bd · 2 ba · 1,248 sqft · 0.412 acres

Last Sale Tax Bill Prior Sale Owner Records
$574,000Sep 1990 $22,2432025 2 Names on Record AssessorUpdated Aug 2026

651 W 18th St, Unit A

1,800 sqft · Built 1964 · 0.123 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$885,000Aug 2018 $11,9372025 —Aug 2018 1 Name on Record Owner Occupied Assessor + 7 DocumentsUpdated Mar 2026

654 W 18th St

7 units · Built 2006 · 1,035 sq ft

Last Sale Median Tax Bill Median Sale    
$483,000Jan 2008 $5,9202025 —7 units    

655 W 18th St

1,800 sqft · Built 1964 · 0.123 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,6912025 1 Name on Record AssessorUpdated Aug 2026

666 W 18th St

22 sqft · Built 1981 · 1.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,350,000Nov 1988 $57,2692025 —Sep 2008 1 Name on Record AssessorUpdated Aug 2026

669 W 18th St

3,860 sqft · Built 1974 · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$8332025 2 Names on Record AssessorUpdated Aug 2026

670 W 18th St

1,404 sqft · Built 1954 · 0.154 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$490,000Feb 2011 $8,0972025 2 Names on Record Owner Occupied AssessorUpdated Nov 2025

674 W 18th St

2 bd · 1 ba · 828 sqft · 0.413 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,483,000Apr 2018 $20,5722024 Amount on Record Dec 2004 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

675 W 18th St

4 units · Built 1983 · 938 sq ft

Last Sale Median Tax Bill Median Sale    
$1,630,000Apr 2013 $4,5892025 —4 units    

679 W 18th St

4,500 sqft · Built 1984 · 0.186 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$440,000Jun 1997 $9,0652025 —Apr 2005 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

680 W 18th St

1 bd · 1 ba · 852 sqft · 0.413 acres

Last Sale Tax Bill Prior Sale Owner Records
$690,000Jan 2012 $12,1872025 2 Names on Record Assessor + 1 DocumentUpdated Nov 2025

684 W 18th St, Apt A

1 bd · 1 ba · 540 sqft · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,000Feb 1997 $5,4732025 1 Name on Record AssessorUpdated Nov 2025

685 W 18th St

8,412 sqft · Built 1989 · 0.372 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,100,000Nov 1999 $23,9202025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

686 W 18th St

8 bd · 1 ba · 400 sqft · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Nov 1988 $7,6882025 —Feb 2005 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

687 W 18th St

21,012 sqft · Built 1972 · 0.931 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,225,000Aug 2021 $97,7012025 —Aug 2021 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

690 W 18th St

2 bd · 1 ba · 710 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$61,000Mar 1995 $5,3852025 —Jun 2005 1 Name on Record AssessorUpdated Aug 2026

696 W 18th St

1 bd · 1 ba · 643 sqft · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2002 $6,0932025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

703 W 18th St

6 bd · 3 ba · 2,325 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2006 $7,5412025 —Sep 2006 1 Name on Record AssessorUpdated Nov 2025

707 W 18th St

2,512 sqft · Built 1960 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$272,500Dec 1995 $1,9472025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

710 W 18th St

47,012 sqft · Built 1962 · 2.06 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2007 $37,2112025 —Dec 2019 1 Name on Record Assessor + 6 DocumentsUpdated Aug 2026

711 W 18th St

2,512 sqft · Built 1960 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$272,500Dec 1995 $1,9472025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

717 W 18th St

2,512 sqft · Built 1960 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,2152025 —Jan 2002 2 Names on Record AssessorUpdated Aug 2026

721 W 18th St

2,512 sqft · Built 1960 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,1232025 1 Name on Record AssessorUpdated Aug 2026

724 W 18th St

5,730 sqft · Built 1964 · 0.309 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$908,000Aug 2014 $26,3912025 Amount on Record Apr 2013 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

725 W 18th St

2,512 sqft · Built 1960 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2013 $12,1642025 Amount on Record Mar 2013 1 Name on Record AssessorUpdated Nov 2025

731 W 18th St

2,512 sqft · Built 1960 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$208,000Nov 1996 $8,8362025 —May 1998 1 Name on Record Assessor + 2 DocumentsUpdated Nov 2025

732 W 18th St

16 bd · 8 ba · 9,420 sqft · 0.66 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,000,000Dec 2021 $49,1432025 Amount on Record Dec 2010 1 Name on Record Assessor + 5 DocumentsUpdated Nov 2025

735 W 18th St

2,512 sqft · Built 1960 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2003 $8,3742025 2 Names on Record AssessorUpdated Aug 2026

741 W 18th St

2,512 sqft · Built 1960 · 0.14 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$295,000Jun 1996 $7,1192025 Amount on Record Feb 1996 1 Name on Record AssessorUpdated Aug 2026

745 W 18th St

2,321 sqft · Built 1960 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$245,000Jul 1995 $1,5892025 Amount on Record Sep 2015 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

752 W 18th St

3,982 sqft · Built 1969 · 0.136 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$253,000Feb 1995 $6,7422025 —Nov 2003 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

755 W 18th St

9 units · Built 1963 · 3,986 sq ft

Last Sale Median Tax Bill Median Sale    
$15,685,000Dec 2021 $21,2442025 $15,685,0009 units    

758 W 18th St

4,017 sqft · Built 1969 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$750,000Mar 2004 $14,0102025 —Dec 2004 1 Name on Record Assessor + 1 DocumentUpdated Nov 2025

759 W 18th St

2 bd · 3 ba · 1,324 sqft · 0.068 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$770,000Mar 2021 $10,1292025 3 Names on Record Assessor + 2 DocumentsUpdated Nov 2025

763 W 18th St

2 bd · 3 ba · 1,324 sqft · 0.062 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$770,000Mar 2021 $10,1292025 3 Names on Record Assessor + 2 DocumentsUpdated Nov 2025

764 W 18th St

4,131 sqft · Built 1970 · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,8222025 1 Name on Record AssessorUpdated Aug 2026

767 W 18th St

2 bd · 2.5 ba · 1,324 sqft · 0.08 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$770,000Mar 2021 $10,1292025 Amount on Record Nov 2016 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

770 W 18th St

2 bd · 1 ba · 952 sqft · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$184,000Jun 1999 $7,5792025 —Oct 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

776 W 18th St

2 bd · 1 ba · 952 sqft · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,5662025 —Mar 2004 1 Name on Record AssessorUpdated Aug 2026

777 W 18th St

0.211 acres

Last Sale Tax Bill Prior Sale Owner Records
$760,000Mar 2014 $11,4262025 Amount on Record Sep 2005 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

782 W 18th St

2 bd · 1 ba · 952 sqft · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,600,000Jul 2026 $12,5502025 Amount on Record Mar 2017 1 Name on Record Owner Occupied Assessor + 7 DocumentsUpdated Aug 2026

785 W 18th St

9 units · Built 1986 · 1,270 sq ft

Last Sale Median Tax Bill Median Sale    
$920,000Jan 2024 $3,9772025 $325,0009 units    

788 W 18th St

2,930 sqft · Built 1961 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$690,000May 2004 $12,6162024 Amount on Record Jan 2004 1 Name on Record Assessor + 2 DocumentsUpdated May 2026

789 W 18th St

10 units · Built 1984 · 1,396 sq ft

Last Sale Median Tax Bill Median Sale    
$760,000Nov 2024 $6,9112025 $538,50010 units    

794 W 18th St

7 bd · 4 ba · 2,930 sqft · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$690,000May 2004 $12,9752025 1 Name on Record Assessor + 2 DocumentsUpdated Nov 2025

814 W 18th St

2,980 sqft · Built 1953 · 0.291 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$230,000Oct 1995 $6,1622025 Amount on Record Jun 1995 1 Name on Record Assessor + 4 DocumentsUpdated Aug 2026

824 W 18th St

17,055 sqft · Built 1981 · 0.909 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$45,3602025 —May 2008 1 Name on Record AssessorUpdated Aug 2026

830 W 18th St

1,232 sqft · Built 1905 · 0.69 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,6592025 —May 2009 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

834 W 18th St

1,102 sqft · Built 1937 · 0.218 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,3612025 —Apr 2009 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

850 W 18th St

13,334 sqft · Built 1966 · 0.909 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,200,000May 2017 $55,5302025 —Dec 2017 2 Names on Record Assessor + 6 DocumentsUpdated Aug 2026

851 W 18th St, #A

24,000 sqft · Built 1960 · 1.79 acres

Last Sale Tax Bill Prior Sale Owner Records
$413,000Jan 1978 $19,8412025 1 Name on Record AssessorUpdated Aug 2026

858 W 18th St, #A1

12,375 sqft · Built 1973 · 0.681 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2013 $30,9372025 —Apr 2003 1 Name on Record AssessorUpdated Aug 2026

859 W 18th St

15,840 sqft · Built 1965 · 0.811 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,350,000Nov 2024 $61,9372025 —Jan 2008 3 Names on Record AssessorUpdated Nov 2025

860 W 18th St

14,250 sqft · Built 1946 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$94,000Aug 1994 $8,7992025 —Apr 2003 1 Name on Record AssessorUpdated Aug 2026

862 W 18th St

834 sqft · Built 1947 · 0.204 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,950,000Mar 2023 $33,5912025 Amount on Record May 2018 1 Name on Record Assessor + 2 DocumentsUpdated Nov 2025

864 W 18th St

816 sqft · Built 1939 · 0.499 acres

Last Sale Tax Bill Prior Sale Owner Records
$36,7832025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

866 W 18th St

2,878 sqft · Built 1963 · 0.204 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1995 $7,0052025 —Nov 2006 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

872 W 18th St

1,730 sqft · Built 1966 · 0.204 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Oct 2003 $7,0322025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Nov 2025

874 W 18th St

1,000 sqft · Built 1961 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2022 $5,7882025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

875 W 18th St

1,800 sqft · Built 1965 · 0.482 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000Jun 2015 $18,7572025 —Oct 2012 1 Name on Record AssessorUpdated Aug 2026

878 W 18th St

2,482 sqft · Built 1948 · 0.204 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,625,000Dec 2023 $19,1942025 —Dec 2012 3 Names on Record Assessor + 3 DocumentsUpdated Nov 2025

885 W 18th St

21,618 sqft · Built 1964 · 1.24 acres

Last Sale Tax Bill Prior Sale Owner Records
$21,9862025 1 Name on Record AssessorUpdated Aug 2026

902 W 18th St

8,280 sqft · Built 1975 · 0.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$660,000Mar 2002 $15,1722025 1 Name on Record AssessorUpdated Nov 2025

912 W 18th St

1,904 sqft · Built 1960 · 0.171 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$575,000May 2016 $9,4732025 Amount on Record Jul 2004 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

916 W 18th St

1,904 sqft · Built 1960 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$840,000Feb 2018 $11,9342025 —Dec 2018 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Nov 2025

917 W 18th St

3,840 sqft · Built 1958 · 0.337 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$675,000May 2001 $10,9812025 —Apr 2000 1 Name on Record AssessorUpdated Nov 2025

921 W 18th St

8,745 sqft · Built 1971 · 0.454 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,8242025 2 Names on Record AssessorUpdated Aug 2026

925 W 18th St

7,240 sqft · Built 1971 · 0.454 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2007 $17,9632025 1 Name on Record Assessor + 1 DocumentUpdated Nov 2025

931 W 18th St

8,875 sqft · Built 1977 · 0.454 acres

Last Sale Tax Bill Prior Sale Owner Records
$24,8752025 1 Name on Record AssessorUpdated Aug 2026

935 W 18th St

7,240 sqft · Built 1971 · 0.454 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,5682025 1 Name on Record AssessorUpdated Aug 2026

936 W 18th St

16 units · Built 1901 · 1,212 sq ft

Last Sale Median Tax Bill Median Sale    
$756,000Dec 2023 $6,3072025 $520,00016 units    

939 W 18th St

4,088 sqft · Built 1956 · 0.454 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,0382025 —Oct 2014 1 Name on Record AssessorUpdated Aug 2026

940 W 18th St

21,484 sqft · Built 1979 · 0.91 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,630,000Aug 2013 $68,3932025 Amount on Record Apr 2000 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

947 W 18th St

6,400 sqft · Built 1973 · 0.457 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Jul 2018 $19,9342025 —Apr 2014 1 Name on Record Assessor + 1 DocumentUpdated Nov 2025

955 W 18th St

1,536 sqft · Built 1986 · 0.909 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2001 $16,2392025 —Aug 2001 2 Names on Record Assessor + 2 DocumentsUpdated Nov 2025

965 W 18th St

10,640 sqft · Built 1973 · 0.688 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Dec 1989 $20,8942025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

975 W 18th St, Unit B

0.688 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000Feb 2018 $44,8382025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

981 W 18th St

5,850 sqft · Built 1962 · 0.596 acres

Last Sale Tax Bill Prior Sale Owner Records
$660,000Dec 1997 $13,5412025 —Jul 2004 2 Names on Record AssessorUpdated Aug 2026

985 W 18th St

7,800 sqft · Built 1981 · 0.537 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Jun 1998 $13,4522025 —Sep 2004 1 Name on Record AssessorUpdated Nov 2025

999 W 18th St

1,092 sqft · Built 1935 · 0.138 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,2422025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

1001 W 18th St

10,485 sqft · Built 1979 · 0.247 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,0092025 —Feb 2015 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

1010 W 18th St

2 bd · 1 ba · 570 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2000 $2,9042025 1 Name on Record AssessorUpdated Aug 2026

1018 W 18th St

1 bd · 1 ba · 620 sqft · 0.167 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Jan 2001 $2,9042025 1 Name on Record AssessorUpdated Aug 2026

1026 W 18th St

3 bd · 1 ba · 1,371 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,4042025 1 Name on Record AssessorUpdated Aug 2026

1027 W 18th St

816 sqft · Built 1952 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,750,000Nov 2020 $10,8872025 Amount on Record Jul 2019 2 Names on Record Assessor + 5 DocumentsUpdated Nov 2025

1032 W 18th St

1,012 sqft · Built 1950 · 0.484 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2009 $33,2392025 —Oct 2005 1 Name on Record Assessor + 1 DocumentUpdated Nov 2025

1033 W 18th St

1,079 sqft · Built 1950 · 0.168 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,750,000Nov 2020 $11,1362025 Amount on Record Jul 2019 2 Names on Record Assessor + 5 DocumentsUpdated Nov 2025

1041 W 18th St, #B

41,649 sqft · Built 1988 · 2 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,5572025 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

Wildfire Risk on W 18th St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Property Records in Nearby Streets