345 42nd St
Boulder, CO 80305
4 bd 2 ba 2,500 sqft Built 1956 Lot 7,535 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 | $14,106 | $35,794 | $49,900 | $4,757 |
| 2024 | $14,106 | $35,794 | $49,900 | $4,680 |
| 2023 | $15,001 | $41,942 | $56,943 | $4,599 |
| 2022 | $14,574 | $31,108 | $45,682 | $4,242 |
| 2021 | $14,994 | $32,003 | $46,997 | $4,045 |
| 2020 | $18,218 | $26,098 | $44,316 | $3,857 |
| 2019 | $18,218 | $26,098 | $44,316 | $3,798 |
| 2018 | $16,466 | $24,048 | $40,514 | $3,512 |
| 2017 | $16,466 | $24,048 | $40,514 | $3,402 |
| 2016 | $19,064 | $16,716 | $35,780 | $3,097 |
| 2015 | $19,064 | $16,716 | $35,780 | $2,932 |
| 2014 | $14,121 | $14,806 | $28,927 | $2,487 |
| 2013 | $14,121 | $14,806 | $28,927 | $2,432 |
| 2011 | $13,452 | $15,681 | $29,133 | $2,419 |
| 2010 | $13,452 | $15,681 | $29,133 | $2,088 |
| 2009 | $13,452 | $15,681 | $29,133 | $1,950 |
| 2008 | $12,160 | $15,920 | $28,080 | $2,065 |
Property facts
Year built
1956
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
2,500 sqft
Lot size
7,535 sqft
ZIP code
80305
City
Boulder
Street
42nd St
Coordinates
39.98793, -105.24552
Comparable properties nearby
Frequently asked questions
When did 345 42nd St last sell?
No public-record sale is on file for 345 42nd St.
What is the current tax assessment for 345 42nd St?
The most recent total assessment for 345 42nd St (year 2025) is $49,900 with $4,757 in property tax.
When was 345 42nd St built?
345 42nd St was built in 1956.
How does 345 42nd St compare to others on 42nd St?
We track 8 other properties on 42nd St. Browse the list under "Other properties on 42nd St" to compare beds, baths, and sale history.
What are the property facts for 345 42nd St?
345 42nd St is a 4 bed, 2 bath, 2,500 sqft, 7,535 sqft lot single_family.
Is 345 42nd St a flip candidate?
No — 345 42nd St does not appear in our flips dataset.
Is 345 42nd St a tax-appeal candidate?
No — 345 42nd 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
-0.2%
Implied 1-yr
-0.8%
2026 Q3
$1.2M
2026 Q4
$1.2M
ZIP 80305 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 42nd St