21 AVALON LN, Marlborough, CT 06447 - Assessment Profile
Updated on November 25, 2025.
See below the recent assessment details for the residential property at 21 AVALON LN, Marlborough, CT 06447.
You can also see similar information for other residential properties in Marlborough.
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Data Source: Official Government Sources.
Property Information
Parcel ID
2750
Actual Year Built
2003
Effective Year Built
2005
Lot
Land in Acres
2.6
Parcel Frontage
0
Parcel Depth
0
Style Description
Colonial
Grade Description
A-
Condition Description
Average
Gross Area of Primary Building
Living Area
4,739
Number of Buildings
1
Stories
2.0
Total Rooms
12.0
Number of Bedrooms
5
Number of Baths
3
Number of Half Baths
1
Book/Page
0273/0202
Valuation Information
Assessment Year
2025
Assessed Total
$457,990
Assessed Building
$344,240
Assessed Land
$88,620
Appraised Total
$654,300
Appraised Building
$491,800
Appraised Land
$126,600
Depreciation Since it was New
15%
Replacement Cost New
$554,800
Replacement Cost Less Depreciation
$471,633