421 Baseline Rd
Boulder, CO 80302
5 bd 3 ba 4,101 sqft Built 1956 Lot 16,117 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 | $13,404 | $120,639 | $134,043 | $12,780 |
| 2024 | $13,404 | $120,639 | $134,043 | $12,162 |
| 2023 | $14,207 | $127,866 | $142,073 | $12,026 |
| 2022 | $11,395 | $102,551 | $113,946 | $10,656 |
| 2021 | $11,722 | $105,502 | $117,224 | $10,165 |
| 2020 | $21,750 | $87,016 | $108,766 | $9,467 |
| 2019 | $21,750 | $87,016 | $108,766 | $9,322 |
| 2018 | $26,136 | $71,136 | $97,272 | $8,433 |
| 2017 | $26,136 | $71,136 | $97,272 | $8,169 |
| 2016 | $33,082 | $49,352 | $82,434 | $7,135 |
| 2015 | $33,082 | $49,352 | $82,434 | $6,757 |
| 2014 | $38,208 | $49,750 | $87,958 | $6,877 |
| 2013 | $38,208 | $49,750 | $87,958 | $6,726 |
| 2011 | $38,845 | $52,058 | $90,903 | $7,548 |
| 2010 | $38,845 | $52,058 | $90,903 | $7,173 |
| 2009 | $38,845 | $52,058 | $90,903 | $6,697 |
| 2008 | $21,930 | $57,140 | $79,070 | $5,230 |
Property facts
Year built
1956
Property type
single_family
Stories
1
Beds
5
Baths
3
Living area
4,101 sqft
Lot size
16,117 sqft
ZIP code
80302
City
Boulder
Street
Baseline Rd
Coordinates
40.00028, -105.28934
Comparable properties nearby
Frequently asked questions
When did 421 Baseline Rd last sell?
No public-record sale is on file for 421 Baseline Rd.
What is the current tax assessment for 421 Baseline Rd?
The most recent total assessment for 421 Baseline Rd (year 2025) is $134,043 with $12,780 in property tax.
When was 421 Baseline Rd built?
421 Baseline Rd was built in 1956.
How does 421 Baseline Rd compare to others on Baseline Rd?
We track 8 other properties on Baseline Rd. Browse the list under "Other properties on Baseline Rd" to compare beds, baths, and sale history.
What are the property facts for 421 Baseline Rd?
421 Baseline Rd is a 5 bed, 3 bath, 4,101 sqft, 16,117 sqft lot single_family.
Is 421 Baseline Rd a flip candidate?
No — 421 Baseline Rd does not appear in our flips dataset.
Is 421 Baseline Rd a tax-appeal candidate?
No — 421 Baseline Rd 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 Baseline Rd