645 Walnut St
Boulder, CO 80302
2 ba 1,932 sqft Lot 3,544 sqft other
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 | $171,477 | $288,414 | $459,891 | $41,022 |
| 2024 | $171,477 | $288,414 | $459,891 | $33,743 |
| 2023 | $128,284 | $264,046 | $392,330 | $33,158 |
| 2022 | $91,350 | $200,100 | $291,450 | $27,065 |
| 2021 | $91,350 | $200,100 | $291,450 | $25,086 |
| 2020 | $87,290 | $200,100 | $287,390 | $25,015 |
| 2019 | $87,290 | $200,100 | $287,390 | $24,633 |
| 2018 | $28,733 | $162,823 | $191,556 | $16,607 |
| 2017 | $28,733 | $162,823 | $191,556 | $16,088 |
| 2016 | $13,920 | $156,368 | $170,288 | $14,740 |
| 2015 | $13,920 | $156,368 | $170,288 | $13,958 |
| 2014 | $26,390 | $130,500 | $156,890 | $13,488 |
| 2013 | $26,390 | $130,500 | $156,890 | $13,191 |
| 2011 | $26,390 | $130,500 | $156,890 | $13,027 |
| 2010 | $26,390 | $130,500 | $156,890 | $15,531 |
| 2009 | $26,390 | $130,500 | $156,890 | $14,502 |
| 2008 | $32,280 | $135,950 | $168,230 | $12,373 |
Property facts
Year built
—
Property type
other
Stories
—
Beds
—
Baths
2
Living area
1,932 sqft
Lot size
3,544 sqft
ZIP code
80302
City
Boulder
Street
Walnut St
Coordinates
40.01567, -105.28648
Comparable properties nearby
Frequently asked questions
When did 645 Walnut St last sell?
No public-record sale is on file for 645 Walnut St.
What is the current tax assessment for 645 Walnut St?
The most recent total assessment for 645 Walnut St (year 2025) is $459,891 with $41,022 in property tax.
When was 645 Walnut St built?
The year built for 645 Walnut St is not in our records.
How does 645 Walnut St compare to others on Walnut St?
We track 8 other properties on Walnut St. Browse the list under "Other properties on Walnut St" to compare beds, baths, and sale history.
What are the property facts for 645 Walnut St?
645 Walnut St is a 2 bath, 1,932 sqft, 3,544 sqft lot other.
Is 645 Walnut St a flip candidate?
No — 645 Walnut St does not appear in our flips dataset.
Is 645 Walnut St a tax-appeal candidate?
No — 645 Walnut St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.8%
Implied 1-yr
-3.0%
2026 Q3
$1.59M
2026 Q4
$1.58M
ZIP 80302 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Walnut St