661 Concord Ave
Boulder, CO 80304
4 bd 5 ba 1,061 sqft Built 1907 Lot 6,546 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $10,638 | $95,743 | $106,381 | $10,143 |
| 2024 | $10,638 | $95,743 | $106,381 | $9,982 |
| 2023 | $11,728 | $105,549 | $117,277 | $9,809 |
| 2022 | $23,366 | $69,834 | $93,200 | $8,654 |
| 2021 | $24,038 | $71,843 | $95,881 | $8,252 |
| 2020 | $12,348 | $49,407 | $61,755 | $5,375 |
| 2019 | $12,348 | $49,407 | $61,755 | $5,293 |
| 2018 | $10,577 | $42,336 | $52,913 | $4,587 |
| 2017 | $10,577 | $42,336 | $52,913 | $4,444 |
| 2016 | $10,372 | $41,472 | $51,844 | $4,487 |
| 2015 | $10,372 | $41,472 | $51,844 | $4,249 |
| 2014 | $18,674 | $24,676 | $43,350 | $3,727 |
| 2013 | $18,674 | $24,676 | $43,350 | $3,644 |
| 2011 | $16,955 | $30,168 | $47,123 | $3,912 |
| 2010 | $16,955 | $30,168 | $47,123 | $3,689 |
| 2009 | $16,955 | $30,168 | $47,123 | $3,445 |
| 2008 | $6,730 | $35,820 | $42,550 | $3,129 |
Property facts
Year built
1907
Property type
single_family
Stories
—
Beds
4
Baths
5
Living area
1,061 sqft
Lot size
6,546 sqft
ZIP code
80304
City
Boulder
Street
Concord Ave
Coordinates
40.02303, -105.28712
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 661 Concord Ave last sell?
No public-record sale is on file for 661 Concord Ave.
What is the current tax assessment for 661 Concord Ave?
The most recent total assessment for 661 Concord Ave (year 2025) is $106,381 with $10,143 in property tax.
When was 661 Concord Ave built?
661 Concord Ave was built in 1907.
How does 661 Concord Ave compare to others on Concord Ave?
We track 8 other properties on Concord Ave. Browse the list under "Other properties on Concord Ave" to compare beds, baths, and sale history.
What are the property facts for 661 Concord Ave?
661 Concord Ave is a 4 bed, 5 bath, 1,061 sqft, 6,546 sqft lot single_family.
Is 661 Concord Ave a flip candidate?
No — 661 Concord Ave does not appear in our flips dataset.
Is 661 Concord Ave a tax-appeal candidate?
No — 661 Concord 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 Concord Ave