4135 Riverside Ave
Boulder, CO 80304
3 bd 2 ba 1,644 sqft Built 1983 Lot 1,545 sqft single_family
Most recent sale
$810,000
Oct 5, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Oct 5, 2022 | Sold | $810,000 | Public Record |
| Sep 23, 2022 | Sold | $810,000 | MLS #968043 |
| Aug 4, 2022 | Price changed | $824,999 | MLS #968043 |
| Jul 28, 2022 | Price changed | $825,000 | MLS #968043 |
| Jul 8, 2022 | Price changed | $850,000 | MLS #968043 |
| Jun 24, 2022 | Price changed | $875,000 | MLS #968043 |
| Jun 16, 2022 | Price changed | $899,999 | MLS #968043 |
| Jun 10, 2022 | Listed | $900,000 | MLS #968043 |
| May 17, 2011 | Sold | $382,000 | MLS #633462 |
| Mar 26, 2011 | Price changed | $389,000 | MLS #633462 |
| Feb 28, 2011 | Relisted | $399,000 | MLS #633462 |
| Aug 16, 2010 | Price changed | $399,000 | MLS #633462 |
| Jul 27, 2010 | Price changed | $409,000 | MLS #633462 |
| Jul 2, 2010 | Listed | $418,000 | MLS #633462 |
| Jun 18, 2010 | Price changed | $429,000 | MLS #629780 |
| Jun 15, 2010 | Price changed | $440,000 | MLS #629780 |
| May 26, 2010 | Listed | $449,000 | MLS #629780 |
| May 14, 2008 | Sold | $373,500 | Public Record |
| Aug 2, 2002 | Sold | $322,000 | Public Record |
| Jan 24, 1994 | Sold | $149,400 | Public Record |
| Oct 12, 1992 | Sold | $119,900 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $31,456 | $18,431 | $49,887 | $4,756 |
| 2024 | $31,456 | $18,431 | $49,887 | $4,616 |
| 2023 | $37,185 | $19,028 | $56,213 | $4,536 |
| 2022 | $27,828 | $15,415 | $43,243 | $4,015 |
| 2021 | $28,629 | $15,859 | $44,488 | $3,829 |
| 2020 | $23,216 | $15,444 | $38,660 | $3,365 |
| 2019 | $23,216 | $15,444 | $38,660 | $3,314 |
| 2018 | $20,880 | $13,896 | $34,776 | $3,015 |
| 2017 | $20,880 | $13,896 | $34,776 | $2,921 |
| 2016 | $19,637 | $13,054 | $32,691 | $2,830 |
| 2015 | $19,637 | $13,054 | $32,691 | $2,680 |
| 2014 | $16,485 | $11,064 | $27,549 | $2,369 |
| 2013 | $16,485 | $11,064 | $27,549 | $2,316 |
| 2012 | $23,721 | $4,696 | $28,417 | $2,381 |
| 2011 | $23,721 | $4,696 | $28,417 | $2,360 |
| 2010 | $23,721 | $4,696 | $28,417 | $2,367 |
| 2009 | $23,721 | $4,696 | $28,417 | $2,209 |
| 2008 | $13,360 | $15,920 | $29,280 | $2,154 |
Property facts
Year built
1983
Property type
single_family
Stories
2
Beds
3
Baths
2
Living area
1,644 sqft
Lot size
1,545 sqft
ZIP code
80304
City
Boulder
Street
Riverside Ave
Coordinates
40.04912, -105.28179
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$3,452
Gross rental yield
5.11%
Implied cap rate
3.32%
Trend-extrapolated value
—
Frequently asked questions
When did 4135 Riverside Ave last sell?
4135 Riverside Ave most recently sold on Oct 5, 2022 for $810,000.
What is the current tax assessment for 4135 Riverside Ave?
The most recent total assessment for 4135 Riverside Ave (year 2025) is $49,887 with $4,756 in property tax.
How does 4135 Riverside Ave's assessment compare to its last sale price?
The current assessment is 93.8% below the last sale price of $810,000.
When was 4135 Riverside Ave built?
4135 Riverside Ave was built in 1983.
How does 4135 Riverside Ave compare to others on Riverside Ave?
We track 8 other properties on Riverside Ave. Browse the list under "Other properties on Riverside Ave" to compare beds, baths, and sale history.
What are the property facts for 4135 Riverside Ave?
4135 Riverside Ave is a 3 bed, 2 bath, 1,644 sqft, 1,545 sqft lot single_family.
Is 4135 Riverside Ave a flip candidate?
No — 4135 Riverside Ave does not appear in our flips dataset.
Is 4135 Riverside Ave a tax-appeal candidate?
No — 4135 Riverside 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
+1.2%
Implied 1-yr
+5.0%
2026 Q3
$2.17M
2026 Q4
$2.2M
ZIP 80304 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Riverside Ave