405 43rd St
Boulder, CO 80305
5 bd 2 ba 2,162 sqft Built 1957 Lot 7,841 sqft single_family
Most recent sale
$370,200
Jul 6, 2012
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 24, 2026 | Sold | $850,000 | REcolorado |
| Mar 19, 2026 | Price changed | $869,000 | REcolorado |
| Mar 5, 2026 | Listed | $889,000 | REcolorado |
| Sep 21, 2022 | Price changed | $870,000 | MLS #5105246 |
| Sep 1, 2022 | Listed | $885,000 | MLS #5105246 |
| Jul 6, 2012 | Sold | $370,200 | MLS #678560 |
| May 7, 2012 | Price changed | $389,000 | MLS #678560 |
| Apr 17, 2012 | Listed | $395,000 | MLS #678560 |
| Jul 26, 2004 | Sold | $327,000 | Public Record |
| Jun 9, 1982 | Sold | $78,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $23,713 | $36,063 | $59,776 | $5,780 |
| 2024 | $23,713 | $36,063 | $59,776 | $5,730 |
| 2023 | $25,741 | $42,257 | $67,998 | $5,629 |
| 2022 | $21,225 | $31,345 | $52,570 | $4,956 |
| 2021 | $21,836 | $32,247 | $54,083 | $4,730 |
| 2020 | $19,555 | $26,312 | $45,867 | $3,993 |
| 2019 | $19,555 | $26,312 | $45,867 | $3,931 |
| 2018 | $17,870 | $24,192 | $42,062 | $3,647 |
| 2017 | $17,870 | $24,192 | $42,062 | $3,533 |
| 2016 | $20,656 | $16,875 | $37,531 | $3,249 |
| 2015 | $20,656 | $16,875 | $37,531 | $3,077 |
| 2014 | $14,909 | $15,602 | $30,511 | $2,623 |
| 2013 | $14,909 | $15,602 | $30,511 | $2,565 |
| 2012 | $14,646 | $15,761 | $30,407 | $2,547 |
| 2011 | $14,646 | $15,761 | $30,407 | $2,525 |
| 2010 | $14,646 | $15,761 | $30,407 | $2,138 |
| 2009 | $14,646 | $15,761 | $30,407 | $1,996 |
| 2008 | $12,780 | $15,920 | $28,700 | $2,111 |
Property facts
Year built
1957
Property type
single_family
Stories
2
Beds
5
Baths
2
Living area
2,162 sqft
Lot size
7,841 sqft
ZIP code
80305
City
Boulder
Street
43rd St
Coordinates
39.98715, -105.24482
Comparable properties nearby
Frequently asked questions
When did 405 43rd St last sell?
405 43rd St most recently sold on Jul 6, 2012 for $370,200.
What is the current tax assessment for 405 43rd St?
The most recent total assessment for 405 43rd St (year 2025) is $59,776 with $5,780 in property tax.
How does 405 43rd St's assessment compare to its last sale price?
The current assessment is 83.9% below the last sale price of $370,200.
When was 405 43rd St built?
405 43rd St was built in 1957.
How does 405 43rd St compare to others on 43rd St?
We track 8 other properties on 43rd St. Browse the list under "Other properties on 43rd St" to compare beds, baths, and sale history.
What are the property facts for 405 43rd St?
405 43rd St is a 5 bed, 2 bath, 2,162 sqft, 7,841 sqft lot single_family.
Is 405 43rd St a flip candidate?
No — 405 43rd St does not appear in our flips dataset.
Is 405 43rd St a tax-appeal candidate?
No — 405 43rd 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 43rd St