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280 3rd Ave, Niwot, CO 80544

$649,000

Last sold date unavailable

  • 2

    bed

  • 1

    bath

  • 1,594

    Sqft ($460/Sqft)

House not for sale
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About 280 3rd Ave

Property type House
Neighborhood
Year built 1910
HOA fee $0/month
Lot size 0.32 Acre
Movoto estimate
Rental estimate
Property description
This 2-bedroom, 1-bathroom single-family home is located at 280 3rd Ave, Niwot, CO, 80544, in the Niwot neighborhood in Boulder County and was built in 1910. This home offers 1,594 square feet of living space on a 13,939 sq ft lot. The estimated market value is $649,000, approximately $407 per square foot.
$649K
Range: $519K-$778K
Last 30 days 
Rental est.: $1,682/month
Gross rent multiplier: 36.3
  • Year Property taxes Tax assessment
  • 2025
    $5,061 +19.1%
    $46,463 +8.54%
  • 2024
    $4,249 +1.3%
    $42,806 -7.93%
  • 2023
    $4,193 +9.6%
    $46,491 +24.82%
  • 2022
    $3,824 -1.3%
    $37,245 -2.8%
  • 2021
    $3,875 +8.6%
    $38,317 +8.39%
  • 2020
    $3,567 +1.6%
    $35,350
  • 2019
    $3,510 +20.8%
    $35,350 +20.25%
  • 2018
    $2,906 +9.0%
    $29,398 -9.54%
  • 2016
    $2,667 +5.0%
    $32,500
  • 2015
    $2,541
    —
  • 280 3rd Ave
    $733K
  • Niwot
    $252K
  • 80544
    $729K
  • Niwot
    $2.4M +33% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
260 3rd Ave, Niwot, CO 80544 $679,000 2/1 1,599 0.01
240 3rd Ave, Niwot, CO 80544 $903,000 6/2 1,861 0.02
308 3rd Ave, Niwot, CO 80544 $330,110 3/1 1,266 0.03
301 3rd Ave, Niwot, CO 80544 $621,000 3/1 868 0.03
261 4th Ave, Niwot, CO 80544 $874,000 2/1 1,628 0.03
295 4th Ave, Niwot, CO 80544 $938,000 3/2 1,968 0.04
285 3rd Ave, Niwot, CO 80544 $777,000 4/1 1,300 0.04
305 4th Ave, Niwot, CO 80544 $1,081,000 2/1 1,878 0.04

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.

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9/10
Niwot Elementary School
public Grades PK, K-5
St Vrain Valley Re 1j School District
3/10
Sunset Middle School
public Grades 6-8
St Vrain Valley Re 1j School District
8/10
Niwot High School
public Grades 9-12
St Vrain Valley Re 1j School District
Source: GreatSchools.org © 2026. All rights reserved.

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