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Single Family ResidenceResidential
$488,356$337 / 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 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $474,787 on May 2, 2025

503 GRINDSTONE LN

DUNDAS, MN 55019
5
Beds
3.5
Baths
1,447 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$488K
$406K low$571K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$474,787 · May 2, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,902 (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.$398,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$87,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$311,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$384,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$398,800

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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.Conventional
CountyRICE
Lot (acres)The size of the land the home sits on, from county records.0.23
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 288 ft²Patio · 312 ft²Porch · 43 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

M
Northfield Middle SchoolA-
Middle · Grades 6–8 · 2.3 mi
E
Bridgewater ElementaryB+
Elementary · Grades KG–5 · 2.3 mi
H
Northfield High SchoolA
High · Grades 9–12 · 2.4 mi

District: Northfield Public School District

Neighborhood · ZIP 55019These 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.42
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.13

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.1,478
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.74 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,361
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,490
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.32 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

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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

503 Grindstone Ln 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 85% of homes in Rice County
  • Costs more per square foot than 92% of homes in Rice County
  • Has a smaller lot than 74% of homes in Rice County
  • Newer than 78% of homes in Rice County

What homes are worth in Dundas 55019

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

This home
$158K$861K

This home is worth more than 71% of homes in Dundas 55019.

How it measures up in Dundas 55019

The dot is this home. The mark in the middle is the typical home in Dundas 55019.

Estimated value$488,356
CheaperTypical $366,615Pricier

Pricier than 71% of homes nearby

Price per ft²$337
CheaperTypical $225Pricier

Pricier than 85% of homes nearby

Living area1,447 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.23 ac
SmallerTypical 0.32 acBigger

Bigger than 27% of homes nearby

Year built2002
OlderTypical 2002Newer

Newer than 50% of homes nearby

How 503 Grindstone Ln ranks against every home in each area.
MeasureThis homeDundas 55019Rice County
Estimated valuepricier than$488,35671% of homes85% of homes
Price per ft²pricier than$33785% of homes92% of homes
Living areabigger than1,447 ft²41% of homes52% of homes
Lot sizebigger than0.23 ac27% of homes26% of homes
Year builtnewer than200250% of homes78% of homes

About 503 Grindstone Ln

How much is 503 Grindstone Ln, Dundas, MN worth?

The TopHap Estimate for 503 Grindstone Ln, Dundas, MN is $488,356 as of Aug 30, 2026. The likely range is $405,742 to $570,970. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 Grindstone Ln, Dundas, MN last sell?

503 Grindstone Ln, Dundas, MN last sold on May 2, 2025 for $474,787, according to the county's recorded deed.

How big is 503 Grindstone Ln, Dundas, MN?

503 Grindstone Ln, Dundas, MN has 5 bedrooms, 3.5 bathrooms, 1,447 square feet of living space and a 0.23-acre lot.

When was 503 Grindstone Ln, Dundas, MN built?

503 Grindstone Ln, Dundas, MN was built in 2002, making it 24 years old. It is a conventional home. The building has 1 story.

What schools serve 503 Grindstone Ln, Dundas, MN?

503 Grindstone Ln, Dundas, MN is assigned to Northfield Middle School (middle), rated A-; Bridgewater Elementary (elementary), rated B+; Northfield High School (high), rated A. All sit in Northfield Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 503 Grindstone Ln, Dundas, MN compare to other homes in Dundas 55019?

Among the 1,016 homes in Dundas 55019, it is worth more than 71% of them ($488,356 against a typical $366,615), its price per square foot is higher than 85% of them ($337 against a typical $225), it is bigger than 41% of them (1,447 ft² against a typical 1,512 ft²), its lot is bigger than 27% of them (0.23 ac against a typical 0.32 ac) and it is newer than 50% of them (2002 against a typical 2002). Measured against all of Rice County, it is worth more than 85% 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 503 Grindstone Ln, Dundas, MN?

The 2026 property tax bill for 503 Grindstone Ln, Dundas, MN was $5,902. The county assessed it at $398,800.

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