NOT LISTED FOR SALE

115 E 21st Ave Longmont, CO 80504

Lanyon Neighborhood

Estimated Value: $498,000 - $589,000

5 Beds
4 Baths
1,756 Sq Ft
$312/Sq Ft Est. Value

About This Home

This home is located at 115 E 21st Ave, Longmont, CO 80504 and is currently estimated at $547,262, approximately $311 per square foot. 115 E 21st Ave is a home located in Boulder County with nearby schools including Alpine Elementary School, Skyline High School, and The Cottage School - Terry.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Dec 11, 2025
Sold by
Knouse Delwin L and Knouse Caron M
Bought by
Knouse Family Trust
Current Estimated Value
$547,262

Purchase Details

Closed on
Jul 11, 1988
Bought by
Knouse Delwin L and Knouse Caron M

Purchase Details

Closed on
Jul 30, 1987
Bought by
Knouse Delwin L and Knouse Caron M

Purchase Details

Closed on
Jul 11, 1985
Bought by
Knouse Delwin L and Knouse Caron M

Purchase Details

Closed on
Dec 13, 1984
Bought by
Knouse Delwin L and Knouse Caron M
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

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ICE

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First American

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Quantarium

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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Knouse Family Trust -- None Listed On Document
Knouse Delwin L $115,000 --
Knouse Delwin L $21,500 --
Knouse Delwin L $831,400 --
Knouse Delwin L -- --
Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $3,087 $33,132 $7,044 $26,088
2024 $3,087 $33,132 $7,044 $26,088
2023 $3,045 $32,274 $7,605 $28,354
2022 $2,510 $25,368 $5,748 $19,620
2021 $2,543 $26,097 $5,913 $20,184
2020 $2,515 $25,891 $5,792 $20,099
2019 $2,475 $25,891 $5,792 $20,099
2018 $2,119 $22,306 $5,688 $16,618
2017 $2,090 $24,660 $6,288 $18,372
2016 $1,955 $20,457 $4,935 $15,522
2015 $1,863 $17,154 $5,254 $11,900
2014 $1,602 $17,154 $5,254 $11,900
Source: Public Records

Map

Colorado Boulder County Longmont 80501 Lanyon

115 E 21st Ave, Longmont, CO

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

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