621 Maxwell Ave
Boulder, CO 80304
4 bd 3 ba 3,576 sqft Built 1905 Lot 6,640 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 | $68,751 | $100,000 | $168,751 | $16,090 |
| 2024 | $68,751 | $100,000 | $168,751 | $17,285 |
| 2023 | $98,189 | $108,882 | $207,071 | $16,985 |
| 2022 | $81,065 | $70,334 | $151,399 | $13,414 |
| 2021 | $83,398 | $72,358 | $155,756 | $12,791 |
| 2020 | $63,363 | $72,644 | $136,007 | $11,216 |
| 2019 | $63,363 | $72,644 | $136,007 | $11,657 |
| 2018 | $54,741 | $56,448 | $111,189 | $9,640 |
| 2017 | $54,741 | $56,448 | $111,189 | $9,338 |
| 2016 | $65,559 | $45,372 | $110,931 | $9,602 |
| 2015 | $65,559 | $45,372 | $110,931 | $9,093 |
| 2014 | $38,757 | $42,586 | $81,343 | $6,993 |
| 2013 | $38,757 | $42,586 | $81,343 | $6,839 |
| 2011 | $55,242 | $24,278 | $79,520 | $6,602 |
| 2010 | $55,242 | $24,278 | $79,520 | $7,199 |
| 2009 | $55,242 | $24,278 | $79,520 | $6,722 |
| 2008 | $41,170 | $34,030 | $75,200 | $5,530 |
Property facts
Year built
1905
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
3,576 sqft
Lot size
6,640 sqft
ZIP code
80304
City
Boulder
Street
Maxwell Ave
Coordinates
40.02195, -105.28800
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 621 Maxwell Ave last sell?
No public-record sale is on file for 621 Maxwell Ave.
What is the current tax assessment for 621 Maxwell Ave?
The most recent total assessment for 621 Maxwell Ave (year 2025) is $168,751 with $16,090 in property tax.
When was 621 Maxwell Ave built?
621 Maxwell Ave was built in 1905.
How does 621 Maxwell Ave compare to others on Maxwell Ave?
We track 8 other properties on Maxwell Ave. Browse the list under "Other properties on Maxwell Ave" to compare beds, baths, and sale history.
What are the property facts for 621 Maxwell Ave?
621 Maxwell Ave is a 4 bed, 3 bath, 3,576 sqft, 6,640 sqft lot single_family.
Is 621 Maxwell Ave a flip candidate?
No — 621 Maxwell Ave does not appear in our flips dataset.
Is 621 Maxwell Ave a tax-appeal candidate?
No — 621 Maxwell 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 Maxwell Ave