Grant St, Thornton, CO Property Records

Adams County property records for 108 addresses on Grant St, Thornton, CO · Last verified August 2026

Grant St Highlights

Properties 323
Median Sale Price $3,225,000
Deeds and Mortgages on File 93
Median Price per Sqft $452
Owner Occupied 13%
Median Annual Tax Bill $512
Median Year Built 1986
Median Ownership Tenure 26 years

Properties on Grant St

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

7755 Grant St

4 bd · 2 ba · 1,980 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$183,952Jun 2001 $1,4672025 2 Names on Record Owner Occupied AssessorUpdated Feb 2026

7765 Grant St

4 bd · 2 ba · 1,980 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$190,805Jul 2001 $1,4702025 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

7785 Grant St

4 bd · 2 ba · 1,574 sqft · 0.21 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$392,000Dec 2020 $1,3982025 Sale Amount Oct 2001 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

7912 Grant St

3 bd · 1 ba · 1,056 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,2082025 1 Name on Record AssessorUpdated Feb 2026

7922 Grant St

3 bd · 2 ba · 1,056 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9042025 —Mar 2004 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

7931 Grant St

3 bd · 1 ba · 1,463 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8662025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Feb 2026

8431 Grant St

5,147 sqft · Built 1974 · 1.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,500,000Oct 2022 $14,3952025 —Sep 2022 1 Name on Record Assessor + 4 DocumentsUpdated Feb 2026

8501 Grant St

239,040 sqft · Built 1993 · 24.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$396,6162025 1 Name on Record AssessorUpdated Feb 2026

8650 Grant St

8.15 acres

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

8651 Grant St

16,751 sqft · Built 2002 · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000Dec 2020 $69,2182024 Sale Amount Oct 2016 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

8691 Grant St

22,251 sqft · Built 2001 · 1.85 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2012 $36,7852025 1 Name on Record AssessorUpdated Feb 2026

8700 Grant St

20,636 sqft · Built 1985 · 1.24 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000Oct 2022 $74,1222024 Sale Amount Oct 2018 1 Name on Record Assessor + 4 DocumentsUpdated Apr 2026

8750 Grant St

46,017 sqft · Built 1999 · 2.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,957,200Dec 2015 $137,5192024 —May 2004 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

8900 Grant St

635 bd · 289,275 sqft · 13.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$58,800,000Dec 2017 $591,4842025 1 Name on Record AssessorUpdated Jul 2026

9005 Grant St

47,392 sqft · Built 2001 · 4.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$253,0832024 1 Name on Record Assessor + 1 DocumentUpdated May 2026
Last Sale Tax Bill Prior Sale Owner Records
$13,900,000Dec 2012 $2,5502025 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

9025 Grant St

16,756 sqft · Built 1987 · 1.92 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,590,000May 2019 $82,2382024 Sale Amount Jun 2004 1 Name on Record Assessor + 2 DocumentsUpdated Jun 2026

9065 Grant St

2.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,800,000Feb 2015 $8,2702025 Sale Amount Apr 2002 1 Name on Record AssessorUpdated Feb 2026

9141 Grant St

204 units · Built 1986 · 1,400 sq ft

Last Sale Median Tax Bill Median Sale    
$210,000Jul 2015 $5122025 $210,000204 units    

9191 Grant St

261,540 sqft · Built 1985 · 19.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$861,0502024 1 Name on Record AssessorUpdated Apr 2026

9195 Grant St

62,408 sqft · Built 2001 · 1.44 acres

Last Sale Tax Bill Prior Sale Owner Records
$334,4962024 1 Name on Record AssessorUpdated Apr 2026

9197 Grant St

3 units · Built 2003 · 3,306 sq ft

Last Sale Median Tax Bill Median Sale    
$505,000Jul 2010 —— $505,0003 units    

9350 Grant St

17,241 sqft · Built 1983 · 4.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,000,000Apr 2006 $30,0762025 —Apr 1995 1 Name on Record Assessor + 1 DocumentUpdated Feb 2026

9351 Grant St

6 units

Last Sale Median Tax Bill Median Sale    
$9,075,000Apr 2018 $9,075,0006 units    

9351 Grant St

96,190 sqft · Built 1990 · 1.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,075,000Apr 2018 $133,1452025 1 Name on Record Assessor + 2 DocumentsUpdated Feb 2026

9601 Grant St

131,150 sqft · Built 2001 · 18.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,8612025 1 Name on Record AssessorUpdated Feb 2026

9650 Grant St

0.99 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,4212024 1 Name on Record AssessorUpdated Apr 2026

9680 Grant St

4,705 sqft · Built 2021 · 0.942 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,225,000Dec 2020 $58,9822025 1 Name on Record AssessorUpdated Feb 2026

9720 Grant St

4,636 sqft · Built 2015 · 0.642 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,512,500Aug 2024 $45,1542025 1 Name on Record AssessorUpdated Feb 2026

9740 Grant St

9,851 sqft · Built 2008 · 2.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,274,627Oct 2024 $63,3882025 1 Name on Record Assessor + 1 DocumentUpdated Feb 2026

9751 Grant St

11,784 sqft · Built 2004 · 2.79 acres

Last Sale Tax Bill Prior Sale Owner Records
$91,5342024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

9760 Grant St

9,771 sqft · Built 2008 · 1.64 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,274,627Oct 2024 $62,8732025 Sale Amount Jan 2022 1 Name on Record Assessor + 2 DocumentsUpdated Feb 2026

9801 Grant St

3,560 sqft · Built 2008 · 1.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,300,000Jun 2006 $53,3612024 Sale Amount May 2004 1 Name on Record AssessorUpdated Aug 2026

9828 Grant St

4,940 sqft · Built 2006 · 1.69 acres

Last Sale Tax Bill Prior Sale Owner Records
$940,000Jun 2005 $55,8542024 Sale Amount — 1 Name on Record AssessorUpdated Aug 2026
Last Sale Tax Bill Prior Sale Owner Records
—Sep 2012 1 Name on Record AssessorUpdated May 2024

9901 Grant St

201,658 sqft · Built 2004 · 21.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,500,000Mar 2004 $193,5262025 1 Name on Record AssessorUpdated Feb 2026

9998 Grant St

8,290 sqft · Built 1998 · 1.88 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Oct 1997 $25,8452025 3 Names on Record Assessor + 1 DocumentUpdated Feb 2026

10001 Grant St

266,551 sqft · Built 2004 · 23.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$25,500,000Dec 2025 $331,5802024 Sale Amount Mar 2024 1 Name on Record Assessor + 5 DocumentsUpdated Apr 2026

10003 Grant St

112,548 sqft · Built 1995 · 10.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,850,000Dec 1994 $106,3842025 1 Name on Record Assessor + 1 DocumentUpdated Feb 2026

10100 Grant St

12,000 sqft · Built 1989 · 1.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,100,000Apr 2002 $23,3122025 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

10120 Grant St

18,728 sqft · Built 2004 · 2.71 acres

Last Sale Tax Bill Prior Sale Owner Records
$591,200Oct 2003 $42,8832025 1 Name on Record AssessorUpdated Feb 2026

10140 Grant St

3,576 sqft · Built 2005 · 1.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,100,000Feb 2026 $42,9092025 Sale Amount Dec 2004 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

10160 Grant St

6,440 sqft · Built 2002 · 1.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000Jun 2024 $27,6492025 Sale Amount Oct 2022 1 Name on Record Assessor + 2 DocumentsUpdated Feb 2026

10180 Grant St

5,528 sqft · Built 2008 · 1.75 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000Jun 2025 $50,3572024 Sale Amount Sep 2008 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

10201 Grant St

16,372 sqft · Built 1996 · 2.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$37,2862025 1 Name on Record AssessorUpdated Feb 2026

10250 Grant St

8,599 sqft · Built 2014 · 2.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$603,400Nov 2013 $32,2672025 1 Name on Record AssessorUpdated Feb 2026

10310 Grant St

7,603 sqft · Built 2021 · 1.81 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2019 $9,0262025 Sale Amount Dec 1997 1 Name on Record Assessor + 2 DocumentsUpdated Feb 2026

10350 Grant St

3,600 sqft · Built 1973 · 0.7 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1998 $7,4392025 Sale Amount May 1997 1 Name on Record AssessorUpdated Feb 2026

10351 Grant St

11,678 sqft · Built 1977 · 1.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$25,7412025 1 Name on Record Assessor + 1 DocumentUpdated Feb 2026

12020 Grant St

0.72 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000May 2018 $4,0252024 Sale Amount Sep 2013 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

12030 Grant St

54,046 sqft · Built 2012 · 2.34 acres

Last Sale Tax Bill Prior Sale Owner Records
$282,8902024 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

12076 Grant St

62,618 sqft · Built 1972 · 7.93 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,193,800Sep 2016 $70,9742025 Sale Amount Jan 2006 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

12101 Grant St

30,138 sqft · Built 1998 · 1.66 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,500,000Sep 2024 $181,9292025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

12105 Grant St

3,940 sqft · Built 2020 · 1.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,530,000Mar 2022 $11,8542025 —Oct 2019 1 Name on Record Assessor + 4 DocumentsUpdated Feb 2026

12111 Grant St

6,300 sqft · Built 2011 · 0.641 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,4252025 1 Name on Record Assessor + 3 DocumentsUpdated Feb 2026

12121 Grant St

240,345 sqft · Built 1987 · 12 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,600,000Jun 2006 $217,5322025 1 Name on Record Assessor + 2 DocumentsUpdated Feb 2026

12299 Grant St

63,183 sqft · Built 1988 · 6.21 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2011 $90,7072025 —Jul 1995 1 Name on Record AssessorUpdated Feb 2026

12300 Grant St

130,910 sqft · Built 1977 · 9.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,460,000Feb 2008 $192,5322025 —Aug 2020 1 Name on Record Assessor + 8 DocumentsUpdated Feb 2026

12301 Grant St

93,850 sqft · Built 1984 · 6.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$318,0692024 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

12396 Grant St

87,908 sqft · Built 1981 · 14.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,500,000Jun 2000 $384,7412024 1 Name on Record AssessorUpdated Apr 2026

12405 Grant St

13,500 sqft · Built 1999 · 2 acres

Last Sale Tax Bill Prior Sale Owner Records
$67,1292024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

12415 Grant St

68,870 sqft · Built 2022 · 14.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$232,7852025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

13450 Grant St, #1

2.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$332024 1 Name on Record AssessorUpdated Apr 2026

13470 Grant St

Built 2025 · 7.99 acres

Last Sale Tax Bill Prior Sale Owner Records
$63,9512024 1 Name on Record Assessor + 1 DocumentUpdated May 2026

13520 Grant St

13.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,958,500Dec 2021 $63,8462023 1 Name on Record AssessorUpdated May 2024

13525 Grant St

3.04 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,8672025 1 Name on Record Assessor + 1 DocumentUpdated Feb 2026

13540 Grant St

Built 2025 · 1.98 acres

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

13545 Grant St

2.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$49,0692024 1 Name on Record AssessorUpdated Jun 2026

13560 Grant St

2.35 acres

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

13565 Grant St

11,558 sqft · Built 2020 · 1.42 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2019 $45,2682025 —Jun 2018 1 Name on Record Assessor + 4 DocumentsUpdated Feb 2026

13571 Grant St

6 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2019 1 Name on Record Owner Occupied AssessorUpdated May 2024

13579 Grant St

6 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2019 1 Name on Record Owner Occupied AssessorUpdated May 2024

13610 Grant St, #1

1.44 acres

Last Sale Tax Bill Prior Sale Owner Records
$362024 2 Names on Record AssessorUpdated Apr 2026

13670 Grant St

5,492 sqft · Built 2020 · 1.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,550,000Aug 2020 $73,1352024 1 Name on Record AssessorUpdated Apr 2026

13750 Grant St

37,742 sqft · Built 2020 · 3.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,821,900Nov 2019 $188,0102025 1 Name on Record Assessor + 1 DocumentUpdated Feb 2026

13760 Grant St, #1

1.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$362024 2 Names on Record AssessorUpdated Apr 2026

13775 Grant St

1.24 acres

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

13780 Grant St

1.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,0572024 2 Names on Record AssessorUpdated Apr 2026

13801 Grant St

6 units

Last Sale Median Tax Bill Median Sale    
   

13801 Grant St

5 bd · 2 ba · 39,949 sqft · 15.6 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$218,2642025 1 Name on Record AssessorUpdated Feb 2026

14021 Grant St, #1

0.836 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,370,000Aug 2024 $112025 1 Name on Record AssessorUpdated Feb 2026

14051 Grant St

1.92 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,3942024 1 Name on Record AssessorUpdated Jun 2026

14081 Grant St

69 bd · 63 ba · 53,956 sqft · 2.55 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$75,370,000Aug 2024 $80,9042025 1 Name on Record AssessorUpdated Jul 2026

14101 Grant St, #1

0.408 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,370,000Aug 2024 $112025 1 Name on Record AssessorUpdated Feb 2026

14120 Grant St

424 bd · 277,687 sqft · 12.9 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$330,000Apr 2023 $688,1482025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

14121 Grant St

28,726 sqft · Built 2019 · 6.44 acres

Last Sale Tax Bill Prior Sale Owner Records
$523,7632023 1 Name on Record AssessorUpdated May 2024

14251 Grant St

123 bd · 28,726 sqft · 0.636 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2025 $180,1362024 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

14310 Grant St

301 bd · 203,549 sqft · 11.2 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$330,000Apr 2023 $502,4192025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

14601 Grant St

23.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,5812024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

14651 Grant St

10.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,344,500Jun 2026 $72,9882025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

14801 Grant St, #1

1.64 acres

Last Sale Tax Bill Prior Sale Owner Records
$352024 1 Name on Record AssessorUpdated Apr 2026

14802 Grant St

128,656 sqft · Built 2020 · 6.27 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2020 $309,2292025 1 Name on Record Assessor + 1 DocumentUpdated Feb 2026

14803 Grant St

104,625 sqft · Built 2022 · 9.34 acres

Last Sale Tax Bill Prior Sale Owner Records
$537,3872024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

14827 Grant St

135,000 sqft · Built 2024 · 10.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$388,8812024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

14827 Grant St, #1

10.6 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2021 $372023 1 Name on Record AssessorUpdated May 2024

14891 Grant St, #1

1.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$352024 1 Name on Record AssessorUpdated Apr 2026

14902 Grant St

104,500 sqft · Built 2020 · 7.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$511,1332024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026
Last Sale Tax Bill Prior Sale Owner Records
—Jul 2020 1 Name on Record Owner Occupied AssessorUpdated May 2024

14903 Grant St

112,200 sqft · Built 2022 · 6.77 acres

Last Sale Tax Bill Prior Sale Owner Records
$556,5962024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

14915 Grant St

91,392 sqft · Built 2022 · 5.44 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,2902024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

14927 Grant St

66,125 sqft · Built 2022 · 4.87 acres

Last Sale Tax Bill Prior Sale Owner Records
$351,7442024 1 Name on Record AssessorUpdated Apr 2026

14939 Grant St

86,045 sqft · Built 2022 · 5.98 acres

Last Sale Tax Bill Prior Sale Owner Records
$436,0682024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

15003 Grant St, Unit 100

131,250 sqft · Built 2024 · 8.72 acres

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

15055 Grant St, Unit 110

146,300 sqft · Built 2024 · 9 acres

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

15107 Grant St, Unit 100

176,000 sqft · Built 2024 · 12 acres

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

16011 Grant St

76,005 sqft · Built 2019 · 12.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$467,3062024 1 Name on Record AssessorUpdated Apr 2026

16059 Grant St

4.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,410,653Sep 2022 $54,3342023 1 Name on Record Assessor + 3 DocumentsUpdated May 2024

16161 Grant St

82,665 sqft · Built 2019 · 8.03 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2019 $337,7242024 1 Name on Record AssessorUpdated Jun 2026

Property Records in Nearby Streets