550 College Ave
Boulder, CO 80302
4 bd 3 ba 2,567 sqft Built 1968 Lot 6,534 sqft single_family
Most recent sale
$2,225,000
Sep 7, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Mar 20, 2025 | Sold | $2,150,000 | IRES |
| Aug 2, 2024 | Listing removed | $2,195,000 | IRES |
| Aug 1, 2024 | Listing removed | $2,395,000 | IRES |
| Nov 16, 2022 | Sold | $1,995,000 | Public Record |
| Oct 13, 2022 | Listed | $1,995,000 | MLS #977160 |
| Sep 26, 2022 | Price changed | $2,195,000 | MLS #972576 |
| Aug 4, 2022 | Listed | $2,295,000 | MLS #972576 |
| May 3, 2022 | Price changed | $2,395,000 | MLS #958531 |
| Apr 20, 2022 | Price changed | $2,495,000 | MLS #958531 |
| Feb 4, 2022 | Listed | $2,595,000 | MLS #958531 |
| Sep 7, 2021 | Sold | $2,225,000 | MLS #947612 |
| Aug 4, 2021 | Listed | $1,850,000 | MLS #947612 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $50,406 | $91,013 | $141,419 | $13,484 |
| 2024 | $50,406 | $91,013 | $141,419 | $12,844 |
| 2023 | $52,602 | $97,237 | $149,839 | $12,696 |
| 2022 | $17,500 | $79,223 | $96,723 | $9,057 |
| 2021 | $18,004 | $81,503 | $99,507 | $8,640 |
| 2020 | $20,528 | $77,077 | $97,605 | $8,496 |
| 2019 | $20,528 | $77,077 | $97,605 | $7,753 |
| 2018 | $37,822 | $48,528 | $86,350 | $6,862 |
| 2017 | $37,822 | $48,528 | $86,350 | $6,648 |
| 2016 | $40,747 | $32,397 | $73,144 | $5,643 |
| 2015 | $40,747 | $32,397 | $73,144 | $5,343 |
| 2014 | $27,589 | $32,954 | $60,543 | $4,521 |
| 2013 | $27,589 | $32,954 | $60,543 | $4,421 |
| 2012 | $28,338 | $31,442 | $59,780 | $4,341 |
| 2011 | $28,338 | $31,442 | $59,780 | $4,964 |
| 2010 | $28,338 | $31,442 | $59,780 | $4,998 |
| 2009 | $28,338 | $31,442 | $59,780 | $4,667 |
| 2008 | $16,170 | $41,790 | $57,960 | $3,677 |
Property facts
Year built
1968
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,567 sqft
Lot size
6,534 sqft
ZIP code
80302
City
Boulder
Street
College Ave
Coordinates
40.00707, -105.28778
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$13,350
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 550 College Ave last sell?
550 College Ave most recently sold on Sep 7, 2021 for $2,225,000.
What is the current tax assessment for 550 College Ave?
The most recent total assessment for 550 College Ave (year 2025) is $141,419 with $13,484 in property tax.
How does 550 College Ave's assessment compare to its last sale price?
The current assessment is 93.6% below the last sale price of $2,225,000.
When was 550 College Ave built?
550 College Ave was built in 1968.
How does 550 College Ave compare to others on College Ave?
We track 8 other properties on College Ave. Browse the list under "Other properties on College Ave" to compare beds, baths, and sale history.
What are the property facts for 550 College Ave?
550 College Ave is a 4 bed, 3 bath, 2,567 sqft, 6,534 sqft lot single_family.
Is 550 College Ave a flip candidate?
No — 550 College Ave does not appear in our flips dataset.
Is 550 College Ave a tax-appeal candidate?
No — 550 College 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 College Ave