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Single Family ResidenceResidential
$498,856$319 / 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 Aug 30, 2026

20814 MATTSON LN

STURGIS, SD 57785
2
Baths
1,562 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.
3.68 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$499K
$452K low$546K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,690 (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.$330,510 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$84,380
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$246,130
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$281,820
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$229,770

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.11 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.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
CountyLAWRENCE
Lot (acres)The size of the land the home sits on, from county records.3.68
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Lead-Deadwood Elementary - 03C-
Elementary · Grades KG–5 · 1.9 mi
M
Lead-Deadwood Middle School - 02B+
Middle · Grades 6–8 · 4.7 mi
H
Lead-Deadwood High School - 01C-
High · Grades 9–12 · 4.8 mi

District: Lead-Deadwood School District 40-1

Neighborhood · ZIP 57785These 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.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.12,355
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.19 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,687
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,501
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.19 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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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

20814 Mattson 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 65% of homes in Sturgis 57785
  • Costs less per square foot than 84% of homes in Sturgis 57785
  • Has a bigger lot than 82% of homes in Sturgis 57785
  • Older than 98% of homes in Sturgis 57785

What homes are worth in Sturgis 57785

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

This home
$167K$1.3M

This home is worth more than 65% of homes in Sturgis 57785.

How it measures up in Sturgis 57785

The dot is this home. The mark in the middle is the typical home in Sturgis 57785.

Estimated value$498,856
CheaperTypical $403,308Pricier

Pricier than 65% of homes nearby

Price per ft²$319
CheaperTypical $464Pricier

Pricier than 16% of homes nearby

Living area1,562 ft²
SmallerTypical 1,388 ft²Bigger

Bigger than 59% of homes nearby

Lot size3.68 ac
SmallerTypical 0.38 acBigger

Bigger than 82% of homes nearby

Year built1930
OlderTypical 1995Newer

Newer than 2% of homes nearby

How 20814 Mattson Ln ranks against every home in each area.
MeasureThis homeSturgis 57785Lawrence County
Estimated valuepricier than$498,85665% of homes47% of homes
Price per ft²pricier than$31916% of homes40% of homes
Living areabigger than1,562 ft²59% of homes63% of homes
Lot sizebigger than3.68 ac82% of homes79% of homes
Year builtnewer than19302% of homes14% of homes

About 20814 Mattson Ln

How much is 20814 Mattson Ln, Sturgis, SD worth?

The TopHap Estimate for 20814 Mattson Ln, Sturgis, SD is $498,856 as of Aug 30, 2026. The likely range is $452,124 to $545,588. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20814 Mattson Ln, Sturgis, SD last sell?

20814 Mattson Ln, Sturgis, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20814 Mattson Ln, Sturgis, SD?

20814 Mattson Ln, Sturgis, SD has 2 bathrooms, 1,562 square feet of living space and a 3.68-acre lot.

When was 20814 Mattson Ln, Sturgis, SD built?

20814 Mattson Ln, Sturgis, SD was built in 1930, making it 96 years old.

What schools serve 20814 Mattson Ln, Sturgis, SD?

20814 Mattson Ln, Sturgis, SD is assigned to Lead-Deadwood Elementary - 03 (elementary), rated C-; Lead-Deadwood Middle School - 02 (middle), rated B+; Lead-Deadwood High School - 01 (high), rated C-. All sit in Lead-Deadwood School District 40-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20814 Mattson Ln, Sturgis, SD compare to other homes in Sturgis 57785?

Among the 4,749 homes in Sturgis 57785, it is worth more than 65% of them ($498,856 against a typical $403,308), its price per square foot is higher than 16% of them ($319 against a typical $464), it is bigger than 59% of them (1,562 ft² against a typical 1,388 ft²), its lot is bigger than 82% of them (3.68 ac against a typical 0.38 ac) and it is newer than 2% of them (1930 against a typical 1995). Measured against all of Lawrence County, it is worth more than 47% 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 20814 Mattson Ln, Sturgis, SD?

The 2025 property tax bill for 20814 Mattson Ln, Sturgis, SD was $2,690. The county assessed it at $330,510.

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