Xome Value®
The estimated value of your home calculated using our proprietary formulas and various currently available property data.
1
The estimated value of your home calculated using our proprietary formulas and various currently available property data.
$686,261
+20%
Since Jul 2024
Range: $619,216-$746,544
Evaluated June 25, 2025
1 Year
5 Years
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Property Facts
13811 Fillmore St, Thornton, CO is a single family home that contains 2,601 Sq. Ft. and was built in 2003. It contains 4 bedrooms and 4 bathrooms. This home last sold for $380,000 on 10/23/2014.
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County:ADAMS
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Year Built:2003
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Living Area:2,601 Sq. Ft.
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Lot Size:7,841 Sq. Ft.
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Zone:-
-
Parcel:1573-24-3-08-014
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Bedrooms:4
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Bathrooms:4
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Owner:BRETTILLO ERIC; BRETTILLO VALERIE
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Property History
Tax History
Year
Taxes
Total Assessment
2024
$156 (-0.64%)
$3,440 (0%)
2023
$157 (-26.98%)
$3,440 (-25.22%)
2022
$215 (+27.98%)
$4,600 (+27.78%)
2021
$168 (0%)
$3,600 (0%)
2020
$168 (0%)
$3,600 (0%)
2019
$168 (+1.82%)
$3,600 (0%)
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Comparable Homes
Sales in a non-disclosure state
Address
Sold Price
Details
13811 Fillmore St
Thornton, CO 80602
This Property
-
4 Bed
4 Bath
2,601 Sq. Ft.
2003 Year Built
1
13821 Detroit Street
Thornton, CO 80602
$705,000
5 Bed
4 Bath
3,211 Sq. Ft.
2004 Year Built
2
2762 E 139th Drive
Thornton, CO 80602
$630,000
6 Bed
4 Bath
2,576 Sq. Ft.
2002 Year Built
3
13841 Detroit Street
Thornton, CO 80602
$749,999
5 Bed
5 Bath
3,568 Sq. Ft.
2003 Year Built
4
13972 Monroe Street
Thornton, CO 80602
$490,000
3 Bed
3 Bath
1,885 Sq. Ft.
2004 Year Built
5
13313 Cherry Circle
Thornton, CO 80241
$540,000
4 Bed
3 Bath
1,824 Sq. Ft.
1993 Year Built
6
3567 E 140th Drive
Thornton, CO 80602
$532,500
4 Bed
3 Bath
1,905 Sq. Ft.
2013 Year Built
7
13783 Detroit Street
Thornton, CO 80602
$715,000
5 Bed
4 Bath
3,655 Sq. Ft.
2003 Year Built
8
13323 Birch Circle
Thornton, CO 80241
$475,000
3 Bed
3 Bath
1,692 Sq. Ft.
1985 Year Built
9
2990 E 135th Drive
Thornton, CO 80241
$715,000
4 Bed
4 Bath
3,129 Sq. Ft.
1994 Year Built
10
4033 E 130th Court
Thornton, CO 80241
$564,000
3 Bed
4 Bath
2,618 Sq. Ft.
1992 Year Built
Sales in a non-disclosure state
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Market Trends
Thornton
80602
Median Sold Price
The median sold price is the middle price of all the properties that have actually been sold within a specific period.
Using the median sold price can provide valuable insights into actual market transactions and buyer behavior.
Jun 2024
$530,000
May 2025
$522,500
Change
-1.4%
1 Year
2 Years
5 Years
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Median Sales Price Per Square Foot
Median Sales Price Per Square Foot provides a quick, high-level way to evaluate appreciation or depreciation of property
values over time in the selected area. Using the price per square foot can help you estimate a property's market value.
1 Year
2 Years
5 Years
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Average Days on Market
Average Days on Market represent the average number of days a property takes to sell. Using Average Days on Market
can help provide insights into the speed at which properties are selling in a particular area or market.
Jun 2024
61 Days
May 2025
69 Days
Change
+13.1%
1 Year
2 Years
5 Years
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Supply and Demand
The following chart shows the relationship between properties for sale (supply) and properties sold (demand) in the
specified market, where available.
For Sale
Sold
1 Year
2 Years
5 Years
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Months of Supply
This chart shows how many months it would take to sell the available inventory in the specified market. A higher Months of
Supply generally indicates a buyer's market while a lower Months of Supply generally indicates a seller's market.
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2 Years
5 Years
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Area Statistics
People
ZIP (80602)
City (Thornton)
Population
33,077
140,538
Population Density
1,099.7
3,980.6
People Per Household
3.2
2.9
Median Age
38.2
33.7
Median Household Income
$130,101
$86,818
Average Income
$47,622
$35,181
Economy
ZIP (80602)
City (Thornton)
Unemployment
2.70%
2.40%
Recent Job Growth
0.59%
0.59%
Future Job Growth
45.21%
45.66%
Sales Tax
8.50%
8.75%
Income Tax
4.55%
4.55%
Cost of Living Index
150.8
135.1
Environment
ZIP (80602)
City (Thornton)
Altitude
5177
5348
Rainfall (Inches Annually)
14.9
15.5
Snowfall (Inches Annually)
44
46
January Avg. Low Temp
16.8
17.8
July Avg. High Temp
89.9
90.1
Days of Precipitation Annually
76
77
Days Mostly Sunny Annually
245
245
Comfort Index (During Hot Weather)
7
7
Source: Sperling's Best Places
Nearby Schools
Rating
School Name
Grades
Distance
K-5
0.4 mi
6-8
0.5 mi
9-12
1.4 mi
Data provided by GreatSchools.org © 2025.
All rights reserved.
