811 Mountain Ave
Fort Collins, CO 80521
4 bd 5 ba 3,437 sqft Built 1908 Lot 7,378 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 | $86,081 | $5,625 | $91,706 | $9,138 |
| 2024 | $86,081 | $5,625 | $91,706 | $8,252 |
| 2023 | $83,663 | $6,030 | $89,693 | $7,852 |
| 2022 | $62,189 | $6,255 | $68,444 | $6,462 |
| 2021 | $63,978 | $6,435 | $70,413 | $6,531 |
| 2020 | $78,443 | $6,435 | $84,878 | $7,941 |
| 2019 | $78,443 | $6,435 | $84,878 | $7,975 |
| 2018 | $58,334 | $6,480 | $64,814 | $5,907 |
| 2017 | $58,334 | $6,480 | $64,814 | $5,886 |
| 2016 | $48,906 | $7,164 | $56,070 | $5,118 |
| 2015 | $48,906 | $7,164 | $56,070 | $5,081 |
| 2014 | $43,760 | $4,780 | $48,540 | $4,427 |
| 2013 | $43,760 | $4,780 | $48,540 | $4,432 |
| 2012 | $34,900 | $4,780 | $39,680 | $3,702 |
| 2010 | $34,900 | $4,780 | $39,680 | $3,383 |
| 2009 | $32,850 | $4,900 | $37,750 | $3,266 |
| 2008 | $32,850 | $4,900 | $37,750 | $3,365 |
| 2007 | $34,010 | $4,900 | $38,910 | $3,374 |
Property facts
Year built
1908
Property type
single_family
Stories
2
Beds
4
Baths
5
Living area
3,437 sqft
Lot size
7,378 sqft
ZIP code
80521
City
Fort Collins
Street
Mountain Ave
Coordinates
40.58663, -105.09039
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 811 Mountain Ave last sell?
No public-record sale is on file for 811 Mountain Ave.
What is the current tax assessment for 811 Mountain Ave?
The most recent total assessment for 811 Mountain Ave (year 2025) is $91,706 with $9,138 in property tax.
When was 811 Mountain Ave built?
811 Mountain Ave was built in 1908.
How does 811 Mountain Ave compare to others on Mountain Ave?
We track 8 other properties on Mountain Ave. Browse the list under "Other properties on Mountain Ave" to compare beds, baths, and sale history.
What are the property facts for 811 Mountain Ave?
811 Mountain Ave is a 4 bed, 5 bath, 3,437 sqft, 7,378 sqft lot single_family.
Is 811 Mountain Ave a flip candidate?
No — 811 Mountain Ave does not appear in our flips dataset.
Is 811 Mountain Ave a tax-appeal candidate?
No — 811 Mountain 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
+0.1%
Implied 1-yr
+0.3%
2026 Q3
$699.7K
2026 Q4
$700.1K
ZIP 80521 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mountain Ave