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Single Family ResidenceResidential
$712,375$1,370 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $592,500 on Apr 23, 2024

135 COPPERHEAD RD

KNIFE RIVER, MN 55609
1
Beds
1
Baths
520 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.
43.83 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$712K
$661K low$763K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$592,500 · Apr 23, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,624 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$574,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$331,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$243,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$459,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$574,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.42
87
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
38
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
64
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
9
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.106 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1 percent flood zone

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.Dome
CountyLAKE
Lot (acres)The size of the land the home sits on, from county records.43.83
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Pool W/Hot Tub/Spa
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.SaunaDeck · 320 ft²Porch · 208 ft²

Transaction History(3)

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.

E
Minnehaha Elementary SchoolB
Elementary · Grades PK–5 · 6.5 mi
M
Two Harbors Secondary SchoolB+
Middle · Grades 6–12 · 8.0 mi

District: Lake Superior Public School District

Neighborhood · ZIP 55609These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.8

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.70%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.14
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.38 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,833
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,221
Average tempThe average temperature here across a full year.39°F
Annual precipHow much rain and melted snow falls here in a typical year.31 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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

135 Copperhead Rd 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 93% of homes in Lake County
  • Among the highest price per square foot in Knife River 55609
  • Smaller than 96% of homes in Knife River 55609
  • Among the largest lots in Knife River 55609
  • Newer than 91% of homes in Lake County

What homes are worth in Knife River 55609

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

This home
$141K$1.2M

This home is worth more than 84% of homes in Knife River 55609.

How it measures up in Knife River 55609

The dot is this home. The mark in the middle is the typical home in Knife River 55609.

Estimated value$712,375
CheaperTypical $450,507Pricier

Pricier than 84% of homes nearby

Price per ft²$1370
CheaperTypical $387Pricier

Pricier than almost all homes nearby

Living area520 ft²
SmallerTypical 1,108 ft²Bigger

Bigger than 4% of homes nearby

Lot size43.83 ac
SmallerTypical 1.36 acBigger

Bigger than almost all homes nearby

Year built2012
OlderTypical 1986Newer

Newer than 86% of homes nearby

How 135 Copperhead Rd ranks against every home in each area.
MeasureThis homeKnife River 55609Lake County
Estimated valuepricier than$712,37584% of homes93% of homes
Price per ft²pricier than$1370almost all homesalmost all homes
Living areabigger than520 ft²4% of homes13% of homes
Lot sizebigger than43.83 acalmost all homesalmost all homes
Year builtnewer than201286% of homes91% of homes

About 135 Copperhead Rd

How much is 135 Copperhead Rd, Knife River, MN worth?

The TopHap Estimate for 135 Copperhead Rd, Knife River, MN is $712,375 as of Jul 14, 2026. The likely range is $661,299 to $763,451. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 135 Copperhead Rd, Knife River, MN last sell?

135 Copperhead Rd, Knife River, MN last sold on Apr 23, 2024 for $592,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 135 Copperhead Rd, Knife River, MN?

135 Copperhead Rd, Knife River, MN has 1 bedrooms, 1 bathrooms, 520 square feet of living space and a 43.83-acre lot.

When was 135 Copperhead Rd, Knife River, MN built?

135 Copperhead Rd, Knife River, MN was built in 2012, making it 14 years old. It is a dome home. The building has 1 story.

What schools serve 135 Copperhead Rd, Knife River, MN?

135 Copperhead Rd, Knife River, MN is assigned to Minnehaha Elementary School (elementary), rated B; Two Harbors Secondary School (middle), rated B+. All sit in Lake Superior Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 135 Copperhead Rd, Knife River, MN compare to other homes in Knife River 55609?

Among the 281 homes in Knife River 55609, it is worth more than 84% of them ($712,375 against a typical $450,507), its price per square foot is higher than almost all of them ($1370 against a typical $387), it is bigger than 4% of them (520 ft² against a typical 1,108 ft²), its lot is bigger than almost all of them (43.83 ac against a typical 1.36 ac) and it is newer than 86% of them (2012 against a typical 1986). Measured against all of Lake County, it is worth more than 93% 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 135 Copperhead Rd, Knife River, MN?

The 2025 property tax bill for 135 Copperhead Rd, Knife River, MN was $2,624. The county assessed it at $574,800.

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