521 21st Ave
Duluth, MN 55806
4 bd 2 ba 1,004 sqft Built 1908 Lot 3,485 sqft multi_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 |
|---|---|---|---|---|
| 2026 | $201,800 | $14,000 | $215,800 | $3,750 |
| 2025 | $179,000 | $17,500 | $196,500 | $3,312 |
| 2023 | $147,500 | $15,400 | $162,900 | $3,004 |
| 2022 | $152,500 | $7,600 | $160,100 | $3,240 |
| 2021 | $131,200 | $6,600 | $137,800 | $2,730 |
| 2020 | $138,300 | $6,900 | $145,200 | $2,958 |
| 2019 | $124,100 | $6,900 | $131,000 | $2,650 |
| 2018 | $124,100 | $6,900 | $131,000 | $2,494 |
| 2017 | $90,000 | $17,900 | $107,900 | $2,054 |
| 2016 | $90,000 | $17,900 | $107,900 | $1,998 |
| 2015 | $90,000 | $17,900 | $107,900 | $2,050 |
| 2014 | $90,000 | $17,900 | $107,900 | $2,038 |
| 2013 | $90,000 | $17,900 | $107,900 | $2,001 |
| 2011 | $96,800 | $4,100 | $100,900 | $1,541 |
| 2010 | $96,900 | $4,300 | $101,200 | $1,483 |
| 2009 | $99,900 | $4,400 | $104,300 | $1,558 |
| 2008 | $99,900 | $4,400 | $104,300 | $1,548 |
| 2007 | $88,300 | $3,900 | $92,200 | $1,291 |
Property facts
Year built
1908
Property type
multi_family
Stories
2
Beds
4
Baths
2
Living area
1,004 sqft
Lot size
3,485 sqft
ZIP code
55806
City
Duluth
Street
21st Ave
Coordinates
46.77066, -92.13079
Comparable properties nearby
Frequently asked questions
When did 521 21st Ave last sell?
No public-record sale is on file for 521 21st Ave.
What is the current tax assessment for 521 21st Ave?
The most recent total assessment for 521 21st Ave (year 2026) is $215,800 with $3,750 in property tax.
When was 521 21st Ave built?
521 21st Ave was built in 1908.
How does 521 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 521 21st Ave?
521 21st Ave is a 4 bed, 2 bath, 1,004 sqft, 3,485 sqft lot multi_family.
Is 521 21st Ave a flip candidate?
No — 521 21st Ave does not appear in our flips dataset.
Is 521 21st Ave a tax-appeal candidate?
No — 521 21st 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
+0.5%
2026 Q2
$270K
2026 Q3
$270K
ZIP 55806 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st Ave