FM 666, Mathis, TX Property Records

San Patricio County property records for 56 addresses on FM 666, Mathis, TX · Last verified August 2026

FM 666 Highlights

Properties 56
Median Sale Price $172,500
Deeds and Mortgages on File 30
Median Price per Sqft $103
Owner Occupied 63%
Median Annual Tax Bill $675
Median Year Built 1980
Median Ownership Tenure 7 years

Properties on FM 666

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

4723 FM 666

672 sqft · Built 1975

Last Sale Tax Bill Prior Sale Owner Records
$180,000May 2010 $42025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

4987 FM 666

1,120 sqft · Built 1940 · 8.85 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2019 $8732025 —Apr 2006 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

5005 FM 666

30.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$47,000Jun 2009 $472025 2 Names on Record AssessorUpdated Jun 2026

5005 FM 666

2,280 sqft · Built 2020

Last Sale Tax Bill Prior Sale Owner Records
$9392023 2 Names on Record AssessorUpdated Dec 2025

5030 FM 666

2,072 sqft · Built 1963 · 1.9 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$116,000Oct 2025 $6922025 —Aug 2019 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

5034 FM 666

1.38 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2019 $12023 1 Name on Record AssessorUpdated Jun 2026

5038 FM 666

3,786 sqft · Built 1963 · 1.43 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2024 $1,0542025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

5617 FM 666

2,576 sqft · Built 1940 · 11 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2022 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

5659 FM 666

3,364 sqft · Built 2006 · 0.5 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$9052025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

5687 FM 666

2,632 sqft · Built 1962 · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2024 $3392025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

5724 FM 666

640 sqft · Built 2004 · 9.74 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2010 $9772025 1 Name on Record AssessorUpdated Jun 2026

5731 FM 666

1,056 sqft · Built 1981 · 1.21 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$138,300Jan 2022 $2092025 Amount on Record May 2019 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

5741 FM 666

1,440 sqft · Built 1998 · 1.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$14,100Dec 2008 $5032025 —Sep 2006 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

5851 FM 666

1,800 sqft · Built 1989 · 1.73 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3942025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

6113 FM 666

12.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Jan 2019 $6752025 2 Names on Record AssessorUpdated Jun 2026

6179 FM 666

10 acres

Last Sale Tax Bill Prior Sale Owner Records
$102,300Feb 2017 $4892025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

6231 FM 666

10 acres

Last Sale Tax Bill Prior Sale Owner Records
$112,500Feb 2020 $4892025 Amount on Record Jul 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

6856 FM 666

5,612 sqft · Built 2006 · 1.8 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,1592025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

6963 FM 666

9,172 sqft · Built 1942 · 2 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$2,4612025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

7136 FM 666

2,837 sqft · Built 1922 · 0.994 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2016 $5982025 —May 2011 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

7341 FM 666

2,932 sqft · Built 1980 · 247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2024 $6052025 1 Name on Record AssessorUpdated Jun 2026

7354 FM 666

1,720 sqft · Built 2018 · 3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2026 $1,4482025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

7367 FM 666

3,468 sqft · Built 2003 · 3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4712025 1 Name on Record AssessorUpdated Jun 2026

7610 FM 666

1.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$732025 1 Name on Record AssessorUpdated Jun 2026

7630 FM 666

20.4 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2022 $9032025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

7631 FM 666

454 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2006 $1892025 1 Name on Record AssessorUpdated Jun 2026

7662 FM 666

2,064 sqft · Built 1975 · 0.922 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2017 $2162025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

7664 FM 666

600 sqft · Built 1960 · 0.81 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Jun 2026

7768 FM 666

1,875 sqft · Built 2022 · 105 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2021 $6532025 2 Names on Record AssessorUpdated Jun 2026

7826 FM 666

2,676 sqft · Built 1982 · 12 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2018 $2602025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

8138 FM 666

3,390 sqft · 10 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2021 $7462025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

8492 FM 666

1,788 sqft · Built 1995 · 99.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,7242025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

8734 FM 666

1,586 sqft · Built 2009 · 1.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$7542025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

8770 FM 666

1,658 sqft · Built 1997 · 5.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$233,900Jun 2020 $1,1782025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

8806 FM 666

916 sqft · Built 2013 · 43.1 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2022 $1,8212025 1 Name on Record AssessorUpdated Jun 2026

8820 FM 666

1,232 sqft · Built 1940 · 0.91 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2021 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

8826 FM 666

2,979 sqft · Built 1970 · 2.73 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$247,100Jan 2008 $1,8592025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

8859 FM 666

3,517 sqft · Built 1965 · 2.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$50,000Sep 2013 $5102025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

8877 FM 666

4,815 sqft · Built 1970 · 42.9 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2011 $2,0002025 1 Name on Record AssessorUpdated Jun 2026

8932 FM 666

2,424 sqft · Built 1995 · 9.85 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2009 $1122025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

8940 FM 666

1,216 sqft · Built 1995 · 2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2023 $3632024 Amount on Record Nov 2022 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

8967 FM 666

32 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2022 $282025 1 Name on Record AssessorUpdated Jun 2026

9002 FM 666

1,152 sqft · Built 1965 · 1.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2022 $6012025 2 Names on Record AssessorUpdated Jun 2026

9012 FM 666

2,233 sqft · Built 1970 · 1.88 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$187,500Jun 2020 $1,0062025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

9022 FM 666

1,762 sqft · Built 1991 · 3.58 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5922025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

9042 FM 666

3,582 sqft · Built 1998 · 3.66 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2004 $1,2772025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

9067 FM 666

896 sqft · Built 1995 · 63 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2016 $162025 1 Name on Record AssessorUpdated Jun 2026

9068 FM 666

1,152 sqft · Built 1985 · 5.03 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2022 $8142025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

9088 FM 666

2,462 sqft · Built 1948 · 1.92 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$45,000Apr 2016 $1,1602025 —Apr 2016 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

9114 FM 666

2,226 sqft · Built 1951 · 2.95 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$172,500Dec 2020 $9552025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

9130 FM 666

2,743 sqft · Built 1961 · 3.23 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$223,900Jul 2018 $1,2212025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

9160 FM 666

2,250 sqft · Built 1966 · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$163,000Jun 2012 $8122025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

9178 FM 666

676 sqft

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2018 $7032025 2 Names on Record AssessorUpdated Feb 2026

9196 FM 666

2,240 sqft · Built 1975 · 3.31 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$232,800Jul 2020 $1,5582025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

9214 FM 666

1,958 sqft · Built 1970 · 3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$148,000Mar 2006 $2342025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

NEAR FM 666

0.686 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2021 $762025 —Mar 2010 2 Names on Record AssessorUpdated Jun 2026

Property Records in Nearby Streets