421 Highland Ave
Boulder, CO 80302
4 bd 4 ba 4,505 sqft Built 1904 Lot 7,109 sqft single_family
Most recent sale
$3,995,000
Apr 12, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 2, 2024 | Listing removed | $3,875,000 | IRES |
| Apr 24, 2023 | Sold | $3,750,000 | Public Record |
| Mar 23, 2023 | Listed | $3,975,000 | IRES |
| Oct 21, 2022 | Price changed | $3,875,000 | MLS #969453 |
| Sep 10, 2022 | Price changed | $4,300,000 | MLS #969453 |
| Sep 7, 2022 | Listing removed | $3,995,000 | IRES |
| Jul 7, 2022 | Price changed | $4,600,000 | MLS #969453 |
| Jun 25, 2022 | Listed | $4,900,000 | MLS #969453 |
| Oct 11, 2021 | Listed for rent | $9,500 | AppfolioUnits |
| Sep 16, 2021 | Listed for rent | $9,500 | AppfolioUnits |
| Apr 12, 2021 | Sold | $3,995,000 | MLS #937839 |
| Apr 10, 2006 | Sold | $1,995,000 | Public Record |
| Dec 22, 2003 | Sold | $821,300 | Public Record |
| Sep 29, 1997 | Sold | $639,000 | Public Record |
| May 11, 1994 | Sold | $410,000 | Public Record |
| Aug 4, 1964 | Sold | $170,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $129,344 | $103,644 | $232,988 | $22,296 |
| 2024 | $129,344 | $103,644 | $232,988 | $24,499 |
| 2023 | $171,533 | $110,021 | $281,554 | $24,071 |
| 2022 | $179,373 | $80,175 | $259,548 | $24,177 |
| 2021 | $184,534 | $82,482 | $267,016 | $23,058 |
| 2020 | $133,226 | $88,803 | $222,029 | $19,327 |
| 2019 | $133,226 | $88,803 | $222,029 | $19,031 |
| 2018 | $126,331 | $84,240 | $210,571 | $18,257 |
| 2017 | $126,331 | $84,240 | $210,571 | $17,685 |
| 2016 | $118,700 | $79,122 | $197,822 | $17,124 |
| 2015 | $118,700 | $79,122 | $197,822 | $16,216 |
| 2014 | $88,452 | $57,073 | $145,525 | $12,512 |
| 2013 | $88,452 | $57,073 | $145,525 | $12,236 |
| 2012 | $121,788 | $30,726 | $152,514 | $12,776 |
| 2011 | $121,788 | $30,726 | $152,514 | $12,664 |
| 2010 | $121,788 | $30,726 | $152,514 | $12,749 |
| 2009 | $121,788 | $30,726 | $152,514 | $11,904 |
| 2008 | $107,460 | $47,760 | $155,220 | $11,416 |
Property facts
Year built
1904
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
4,505 sqft
Lot size
7,109 sqft
ZIP code
80302
City
Boulder
Street
Highland Ave
Coordinates
40.01975, -105.29093
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$23,970
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 421 Highland Ave last sell?
421 Highland Ave most recently sold on Apr 12, 2021 for $3,995,000.
What is the current tax assessment for 421 Highland Ave?
The most recent total assessment for 421 Highland Ave (year 2025) is $232,988 with $22,296 in property tax.
How does 421 Highland Ave's assessment compare to its last sale price?
The current assessment is 94.2% below the last sale price of $3,995,000.
When was 421 Highland Ave built?
421 Highland Ave was built in 1904.
How does 421 Highland Ave compare to others on Highland Ave?
We track 8 other properties on Highland Ave. Browse the list under "Other properties on Highland Ave" to compare beds, baths, and sale history.
What are the property facts for 421 Highland Ave?
421 Highland Ave is a 4 bed, 4 bath, 4,505 sqft, 7,109 sqft lot single_family.
Is 421 Highland Ave a flip candidate?
No — 421 Highland Ave does not appear in our flips dataset.
Is 421 Highland Ave a tax-appeal candidate?
No — 421 Highland Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.3%
Implied 1-yr
-1.2%
2026 Q3
$1.68M
2026 Q4
$1.67M
ZIP 80302 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Highland Ave