509 Alpine St
Longmont, CO 80504
3 bd 1 ba 1,528 sqft Built 1976 Lot 6,618 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 | $16,894 | $9,856 | $26,750 | $2,808 |
| 2024 | $16,894 | $9,856 | $26,750 | $2,395 |
| 2023 | $17,869 | $10,854 | $28,723 | $2,362 |
| 2022 | $14,220 | $7,645 | $21,865 | $2,163 |
| 2021 | $14,629 | $7,865 | $22,494 | $2,191 |
| 2020 | $14,207 | $6,721 | $20,928 | $2,032 |
| 2019 | $14,207 | $6,721 | $20,928 | $2,000 |
| 2018 | $11,002 | $5,760 | $16,762 | $1,592 |
| 2017 | $11,002 | $5,760 | $16,762 | $1,570 |
| 2016 | $8,557 | $5,174 | $13,731 | $1,312 |
| 2015 | $8,557 | $5,174 | $13,731 | $1,250 |
| 2014 | $8,191 | $3,980 | $12,171 | $1,132 |
| 2013 | $8,191 | $3,980 | $12,171 | $1,136 |
| 2011 | $8,756 | $4,139 | $12,895 | $1,120 |
| 2010 | $8,756 | $4,139 | $12,895 | $1,048 |
| 2009 | $8,756 | $4,139 | $12,895 | $1,029 |
| 2008 | $10,350 | $4,470 | $14,820 | $1,244 |
Property facts
Year built
1976
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,528 sqft
Lot size
6,618 sqft
ZIP code
80504
City
Longmont
Street
Alpine St
Coordinates
40.16731, -105.08339
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 509 Alpine St last sell?
No public-record sale is on file for 509 Alpine St.
What is the current tax assessment for 509 Alpine St?
The most recent total assessment for 509 Alpine St (year 2025) is $26,750 with $2,808 in property tax.
When was 509 Alpine St built?
509 Alpine St was built in 1976.
How does 509 Alpine St compare to others on Alpine St?
We track 8 other properties on Alpine St. Browse the list under "Other properties on Alpine St" to compare beds, baths, and sale history.
What are the property facts for 509 Alpine St?
509 Alpine St is a 3 bed, 1 bath, 1,528 sqft, 6,618 sqft lot single_family.
Is 509 Alpine St a flip candidate?
No — 509 Alpine St does not appear in our flips dataset.
Is 509 Alpine St a tax-appeal candidate?
No — 509 Alpine 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
-32.1%
Implied 1-yr
-128.3%
2026 Q3
$537.5K
2026 Q4
$537.5K
ZIP 80504 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Alpine St