617 Mapleton Ave
Boulder, CO 80304
4 bd 6 ba 4,052 sqft Built 1900 Lot 8,286 sqft single_family
Most recent sale
$1,232,500
Nov 23, 2020
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 2, 2024 | Listing removed | $4,950,000 | IRES |
| Jan 11, 2023 | Sold | $4,950,000 | Public Record |
| Dec 9, 2022 | Listed | $4,950,000 | IRES |
| Aug 3, 2022 | Listed | $4,950,000 | MLS #972449 |
| Nov 23, 2020 | Sold | $1,232,500 | MLS #923034 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $153,625 | $111,894 | $265,519 | $25,317 |
| 2024 | $153,625 | $111,894 | $265,519 | $20,919 |
| 2023 | $122,938 | $118,778 | $241,716 | $20,556 |
| 2022 | $8,926 | $80,333 | $89,259 | $8,288 |
| 2021 | $9,183 | $82,645 | $91,828 | $7,904 |
| 2020 | $17,489 | $69,927 | $87,416 | $6,987 |
| 2019 | $17,489 | $69,927 | $87,416 | $6,880 |
| 2018 | $16,070 | $64,296 | $80,366 | $6,344 |
| 2017 | $16,070 | $64,296 | $80,366 | $6,145 |
| 2016 | $5,015 | $57,232 | $62,247 | $4,699 |
| 2015 | $5,015 | $57,232 | $62,247 | $4,450 |
| 2014 | $33,185 | $18,706 | $51,891 | $3,777 |
| 2013 | $33,185 | $18,706 | $51,891 | $3,694 |
| 2012 | $29,770 | $26,586 | $56,356 | $4,054 |
| 2011 | $29,770 | $26,586 | $56,356 | $4,680 |
| 2010 | $29,770 | $26,586 | $56,356 | $5,147 |
| 2009 | $29,770 | $26,586 | $56,356 | $4,805 |
| 2008 | $12,230 | $47,270 | $59,500 | $3,791 |
Property facts
Year built
1900
Property type
single_family
Stories
2
Beds
4
Baths
6
Living area
4,052 sqft
Lot size
8,286 sqft
ZIP code
80304
City
Boulder
Street
Mapleton Ave
Coordinates
40.02077, -105.28804
Comparable properties nearby
Frequently asked questions
When did 617 Mapleton Ave last sell?
617 Mapleton Ave most recently sold on Nov 23, 2020 for $1,232,500.
What is the current tax assessment for 617 Mapleton Ave?
The most recent total assessment for 617 Mapleton Ave (year 2025) is $265,519 with $25,317 in property tax.
How does 617 Mapleton Ave's assessment compare to its last sale price?
The current assessment is 78.5% below the last sale price of $1,232,500.
When was 617 Mapleton Ave built?
617 Mapleton Ave was built in 1900.
How does 617 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 617 Mapleton Ave?
617 Mapleton Ave is a 4 bed, 6 bath, 4,052 sqft, 8,286 sqft lot single_family.
Is 617 Mapleton Ave a flip candidate?
No — 617 Mapleton Ave does not appear in our flips dataset.
Is 617 Mapleton Ave a tax-appeal candidate?
No — 617 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