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51 21st Ave

Longmont, CO 80501

2 bd 3 ba 1,464 sqft Built 1999 condos
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

YearBuildingLandTotal assessedTax paid
2025 $18,625 $18,625 $1,955
2024 $18,625 $18,625 $1,616
2023 $20,586 $20,586 $1,594
2022 $13,233 $13,233 $1,309
2021 $13,614 $13,614 $1,326
2020 $14,779 $14,779 $1,435
2019 $14,779 $14,779 $1,413
2018 $15,833 $15,833 $1,503
2017 $15,833 $15,833 $1,483
2016 $10,929 $10,929 $1,044
2015 $10,929 $10,929 $995
2014 $8,668 $8,668 $806
2013 $8,668 $8,668 $809
2011 $8,915 $8,915 $774
2010 $8,915 $8,915 $864
2009 $8,915 $8,915 $848
2008 $11,750 $11,750 $986

Property facts

Year built
1999
Property type
condos
Stories
2
Beds
2
Baths
3
Living area
1,464 sqft
Lot size
ZIP code
80501
City
Longmont
Street
21st Ave
Coordinates
40.19471, -105.09414

Comparable properties nearby

Block-level micro-comps

Same street, ±3 house numbers, sold in the last 24 months

Frequently asked questions

When did 51 21st Ave last sell?
No public-record sale is on file for 51 21st Ave.
What is the current tax assessment for 51 21st Ave?
The most recent total assessment for 51 21st Ave (year 2025) is $18,625 with $1,955 in property tax.
When was 51 21st Ave built?
51 21st Ave was built in 1999.
How does 51 21st Ave compare to others on 21st Ave?
We track 8 other properties on 21st Ave. Browse the list under "Other properties on 21st Ave" to compare beds, baths, and sale history.
What are the property facts for 51 21st Ave?
51 21st Ave is a 2 bed, 3 bath, 1,464 sqft condos.
Is 51 21st Ave a flip candidate?
No — 51 21st Ave does not appear in our flips dataset.
Is 51 21st Ave a tax-appeal candidate?
No — 51 21st Ave is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
+2.1%
Implied 1-yr
+8.3%
2026 Q3
$541.1K
2026 Q4
$551K
ZIP 80501 — Median Price History + Forecast

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