640 Mapleton Ave
Boulder, CO 80304
3 bd 3 ba 3,186 sqft Built 1909 Lot 6,892 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 | $116,619 | $102,050 | $218,669 | $20,849 |
| 2024 | $116,619 | $102,050 | $218,669 | $20,355 |
| 2023 | $130,697 | $104,607 | $235,304 | $20,002 |
| 2022 | $135,539 | $78,945 | $214,484 | $19,917 |
| 2021 | $139,439 | $81,217 | $220,656 | $18,992 |
| 2020 | $104,833 | $75,218 | $180,051 | $15,672 |
| 2019 | $104,833 | $75,218 | $180,051 | $15,432 |
| 2018 | $94,507 | $68,040 | $162,547 | $14,092 |
| 2017 | $94,507 | $68,040 | $162,547 | $13,651 |
| 2016 | $83,946 | $59,620 | $143,566 | $12,427 |
| 2015 | $83,946 | $59,620 | $143,566 | $11,768 |
| 2014 | $68,265 | $38,526 | $106,791 | $9,181 |
| 2013 | $68,265 | $38,526 | $106,791 | $8,979 |
| 2011 | $83,660 | $30,248 | $113,908 | $9,458 |
| 2010 | $83,660 | $30,248 | $113,908 | $8,718 |
| 2009 | $83,660 | $30,248 | $113,908 | $8,140 |
| 2008 | $56,360 | $45,370 | $101,730 | $7,482 |
Property facts
Year built
1909
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
3,186 sqft
Lot size
6,892 sqft
ZIP code
80304
City
Boulder
Street
Mapleton Ave
Coordinates
40.02018, -105.28769
Comparable properties nearby
Frequently asked questions
When did 640 Mapleton Ave last sell?
No public-record sale is on file for 640 Mapleton Ave.
What is the current tax assessment for 640 Mapleton Ave?
The most recent total assessment for 640 Mapleton Ave (year 2025) is $218,669 with $20,849 in property tax.
When was 640 Mapleton Ave built?
640 Mapleton Ave was built in 1909.
How does 640 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 640 Mapleton Ave?
640 Mapleton Ave is a 3 bed, 3 bath, 3,186 sqft, 6,892 sqft lot single_family.
Is 640 Mapleton Ave a flip candidate?
No — 640 Mapleton Ave does not appear in our flips dataset.
Is 640 Mapleton Ave a tax-appeal candidate?
No — 640 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