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Single Family ResidenceResidential
$340,996$257 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

523 21ST ST NW

EAST GRAND FORKS, MN 56721
4
Beds
3 / 2
Baths
1,328 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.44 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$341K
$310K low$372K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,514 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$304,500 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$312,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$322,100

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.3 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Split Foyer
CountyPOLK
Lot (acres)The size of the land the home sits on, from county records.0.43
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Electric
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
New Heights Elementary School
Elementary · Grades PK–2 · 0.4 mi
H
East Grand Forks Senior High SchoolB
High · Grades 9–12 · 0.5 mi
M
Central Middle SchoolA-
Middle · Grades 6–8 · 3.6 mi

District: East Grand Forks Public School District

Neighborhood · ZIP 56721These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.9

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.9,806
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.53 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,318
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,031
Average tempThe average temperature here across a full year.39°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

523 21st St Nw measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 73% of homes in Polk County
  • Costs more per square foot than 80% of homes in Polk County
  • Has a bigger lot than 74% of homes in East Grand Forks 56721
  • Newer than 66% of homes in Polk County

What homes are worth in East Grand Forks 56721

Each bar is how many homes fall in that price range. The marker is this home.

This home
$140K$579K

This home is worth more than 68% of homes in East Grand Forks 56721.

How it measures up in East Grand Forks 56721

The dot is this home. The mark in the middle is the typical home in East Grand Forks 56721.

Estimated value$340,996
CheaperTypical $293,973Pricier

Pricier than 68% of homes nearby

Price per ft²$257
CheaperTypical $221Pricier

Pricier than 72% of homes nearby

Living area1,328 ft²
SmallerTypical 1,312 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.44 ac
SmallerTypical 0.26 acBigger

Bigger than 74% of homes nearby

Year built1978
OlderTypical 1975Newer

Newer than 59% of homes nearby

How 523 21st St Nw ranks against every home in each area.
MeasureThis homeEast Grand Forks 56721Polk County
Estimated valuepricier than$340,99668% of homes73% of homes
Price per ft²pricier than$25772% of homes80% of homes
Living areabigger than1,328 ft²51% of homes48% of homes
Lot sizebigger than0.44 ac74% of homes52% of homes
Year builtnewer than197859% of homes66% of homes

About 523 21st St Nw

How much is 523 21st St Nw, East Grand Forks, MN worth?

The TopHap Estimate for 523 21st St Nw, East Grand Forks, MN is $340,996 as of Sep 24, 2026. The likely range is $309,843 to $372,149. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 523 21st St Nw, East Grand Forks, MN last sell?

523 21st St Nw, East Grand Forks, MN last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 523 21st St Nw, East Grand Forks, MN?

523 21st St Nw, East Grand Forks, MN has 4 bedrooms, 3 bathrooms, 1,328 square feet of living space and a 0.43-acre lot.

When was 523 21st St Nw, East Grand Forks, MN built?

523 21st St Nw, East Grand Forks, MN was built in 1978, making it 48 years old. It is a split foyer home.

What schools serve 523 21st St Nw, East Grand Forks, MN?

523 21st St Nw, East Grand Forks, MN is assigned to New Heights Elementary School (elementary); East Grand Forks Senior High School (high), rated B; Central Middle School (middle), rated A-. All sit in East Grand Forks Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 523 21st St Nw, East Grand Forks, MN compare to other homes in East Grand Forks 56721?

Among the 3,401 homes in East Grand Forks 56721, it is worth more than 68% of them ($340,996 against a typical $293,973), its price per square foot is higher than 72% of them ($257 against a typical $221), it is bigger than 51% of them (1,328 ft² against a typical 1,312 ft²), its lot is bigger than 74% of them (0.44 ac against a typical 0.26 ac) and it is newer than 59% of them (1978 against a typical 1975). Measured against all of Polk County, it is worth more than 73% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 523 21st St Nw, East Grand Forks, MN?

The 2026 property tax bill for 523 21st St Nw, East Grand Forks, MN was $4,514. The county assessed it at $304,500.

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