$4,259,900
$3.92M - $4.69M
$7,420/mo
$7,420/mo
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$7,420/mo
Rent Zestimate®
$24,830/mo
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$24,830/mo
Est. payment
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List your homeThis 4505 square foot single family home has 4 bedrooms and 4.0 bathrooms. This home is located at 421 Highland Ave, Boulder, CO 80302.
This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.
| Date | Event | Price |
|---|---|---|
| 4/21/2023 | Sold | $3,750,000-5.7%$832/sqft |
Source:  IRES as distributed by MLS GRID #984011 Report a problem | ||
| 4/15/2023 | Pending sale | $3,975,000$882/sqft |
Source: IRES as distributed by MLS GRID #984011 Report a problem | ||
| 3/27/2023 | Listed for sale | $3,975,000+6%$882/sqft |
Source: IRES as distributed by MLS GRID #984011 Report a problem | ||
| 2/5/2023 | Listing removed | -- |
Source: IRES as distributed by MLS GRID #979314 Report a problem | ||
| 12/1/2022 | Listed for sale | $3,750,000-3.2%$832/sqft |
Source: IRES as distributed by MLS GRID #979314 Report a problem | ||
| 11/30/2022 | Listing removed | -- |
Source: IRES as distributed by MLS GRID #969453 Report a problem | ||
| 10/21/2022 | Price change | $3,875,000-9.9%$860/sqft |
Source: IRES as distributed by MLS GRID #969453 Report a problem | ||
| 9/10/2022 | Price change | $4,300,000-6.5%$954/sqft |
Source: IRES as distributed by MLS GRID #969453 Report a problem | ||
| 7/7/2022 | Price change | $4,600,000-6.1%$1,021/sqft |
Source: IRES as distributed by MLS GRID #969453 Report a problem | ||
| 6/29/2022 | Listed for sale | $4,900,000+22.7%$1,088/sqft |
Source: IRES as distributed by MLS GRID #969453 Report a problem | ||
| 11/2/2021 | Listing removed | -- |
Source: Zillow Rental Network Premium Report a problem | ||
| 10/9/2021 | Listed for rent | $9,500$2/sqft |
Source: Zillow Rental Network Premium Report a problem | ||
| 9/25/2021 | Listing removed | -- |
Source: Zillow Rental Network Premium Report a problem | ||
| 9/15/2021 | Listed for rent | $9,500-6.9%$2/sqft |
Source: Zillow Rental Network Premium Report a problem | ||
| 9/6/2021 | Listing removed | -- |
Source: Zillow Rental Manager Report a problem | ||
| 8/10/2021 | Price change | $10,200-12.8%$2/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 7/26/2021 | Price change | $11,700-2.5%$3/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 7/25/2021 | Listed for rent | $11,995$3/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 4/12/2021 | Sold | $3,995,000$887/sqft |
Source: IRES as distributed by MLS GRID #937839 Report a problem | ||
| 10/15/2020 | Listing removed | $3,995,000$887/sqft |
Source: Compass - Boulder #910368 Report a problem | ||
| 5/1/2020 | Listed for sale | $3,995,000+100.3%$887/sqft |
Source: Compass - Boulder #910368 Report a problem | ||
| 4/10/2006 | Sold | $1,995,000+142.9%$443/sqft |
Source: Public Record Report a problem | ||
| 12/22/2003 | Sold | $821,340+28.5%$182/sqft |
Source: Public Record Report a problem | ||
| 9/29/1997 | Sold | $639,000+55.9%$142/sqft |
Source: Public Record Report a problem | ||
| 5/11/1994 | Sold | $410,000$91/sqft |
Source: Public Record Report a problem | ||
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $24,499 +1.8% | $265,038 -5.9% |
| 2024 | $24,071 -0.4% | $281,554 -1% |
| 2023 | $24,178 +4.9% | $284,286 +9.5% |
| 2022 | $23,058 +19.3% | $259,548 -2.8% |
| 2021 | $19,327 | $267,016 +20.3% |
| 2020 | $19,327 +5.9% | $222,029 |
| 2019 | $18,257 | $222,029 +5.4% |
| 2018 | $18,257 | $210,571 -9.5% |
| 2017 | $18,257 +6.6% | $232,798 +17.7% |
| 2016 | $17,124 +5.6% | $197,822 +35.9% |
| 2015 | $16,216 +32.5% | $145,525 |
| 2014 | $12,236 -4.2% | $145,525 |
| 2013 | $12,776 +0.9% | $145,525 -4.6% |
| 2012 | $12,664 -0.7% | $152,514 |
| 2011 | $12,749 +7.1% | -- |
| 2010 | $11,905 +4.3% | $157,740 |
| 2009 | $11,416 +3.5% | $157,740 -11.6% |
| 2008 | $11,027 +24.3% | $178,420 |
| 2007 | $8,873 +3.9% | $178,420 +28.5% |
| 2006 | $8,543 +95.2% | $138,850 |
| 2005 | $4,378 +0.7% | $138,850 +93.8% |
| 2004 | $4,347 -3% | $71,640 |
| 2003 | $4,482 +10.3% | $71,640 +11.5% |
| 2002 | $4,063 | $64,230 -90.9% |
| 2001 | -- | $702,000 |
Find assessor info on the county website
Source: The MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
