1133 Mapleton Ave
Boulder, CO 80304
5 bd 3 ba 2,937 sqft Built 1914 Lot 3,737 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 | $54,519 | $75,144 | $129,663 | $12,363 |
| 2024 | $54,519 | $75,144 | $129,663 | $10,457 |
| 2023 | $45,647 | $77,030 | $122,677 | $10,276 |
| 2022 | $57,157 | $58,130 | $115,287 | $10,706 |
| 2021 | $58,802 | $59,803 | $118,605 | $10,208 |
| 2020 | $52,174 | $55,699 | $107,873 | $9,389 |
| 2019 | $52,174 | $55,699 | $107,873 | $9,246 |
| 2018 | $41,486 | $45,432 | $86,918 | $7,535 |
| 2017 | $41,486 | $45,432 | $86,918 | $7,299 |
| 2016 | $35,525 | $40,437 | $75,962 | $6,575 |
| 2015 | $35,525 | $40,437 | $75,962 | $6,226 |
| 2014 | $43,692 | $23,800 | $67,492 | $5,802 |
| 2013 | $43,692 | $23,800 | $67,492 | $5,674 |
| 2011 | $56,914 | $16,796 | $73,710 | $6,120 |
| 2010 | $56,914 | $16,796 | $73,710 | $5,993 |
| 2009 | $56,914 | $16,796 | $73,710 | $5,596 |
| 2008 | $41,100 | $34,030 | $75,130 | $5,525 |
Property facts
Year built
1914
Property type
single_family
Stories
2
Beds
5
Baths
3
Living area
2,937 sqft
Lot size
3,737 sqft
ZIP code
80304
City
Boulder
Street
Mapleton Ave
Coordinates
40.02097, -105.28181
Comparable properties nearby
Frequently asked questions
When did 1133 Mapleton Ave last sell?
No public-record sale is on file for 1133 Mapleton Ave.
What is the current tax assessment for 1133 Mapleton Ave?
The most recent total assessment for 1133 Mapleton Ave (year 2025) is $129,663 with $12,363 in property tax.
When was 1133 Mapleton Ave built?
1133 Mapleton Ave was built in 1914.
How does 1133 Mapleton Ave compare to others on Mapleton Ave?
We track 8 other properties on Mapleton Ave. Browse the list under "Other properties on Mapleton Ave" to compare beds, baths, and sale history.
What are the property facts for 1133 Mapleton Ave?
1133 Mapleton Ave is a 5 bed, 3 bath, 2,937 sqft, 3,737 sqft lot single_family.
Is 1133 Mapleton Ave a flip candidate?
No — 1133 Mapleton Ave does not appear in our flips dataset.
Is 1133 Mapleton Ave a tax-appeal candidate?
No — 1133 Mapleton 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
+5.1%
Implied 1-yr
+20.2%
2026 Q3
$2.3M
2026 Q4
$2.39M
ZIP 80304 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mapleton Ave