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Single Family ResidenceResidential
$462,469$482 / 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 66How 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

100 2ND ST

SAINT ONGE, SD 57779
2
Baths
960 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.
3.67 ac
Lot SizeThe size of the land the home sits on, from county records.
2011
Year BuiltThe year the home was originally built, according to county records.

Valuation

$462K
$305K low$620K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,410 (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.$142,180 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,560
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$137,620
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$144,920
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$117,260

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.30 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.3.67
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.

H
Spearfish High School - 01C+
High · Grades 9–12 · 7.7 mi
M
Spearfish Middle School - 05B-
Middle · Grades 6–8 · 7.8 mi
E
West Elementary - 03
Elementary · Grades 1–2 · 8.4 mi

District: Spearfish School District 40-2

Neighborhood · ZIP 57779These 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.24
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
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.894
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.22 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,383
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,779
Average tempThe average temperature here across a full year.46°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.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

100 2nd St 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 less than 76% of homes in Saint Onge 57779
  • Costs more per square foot than 79% of homes in Lawrence County
  • Smaller than 83% of homes in Lawrence County
  • Has a bigger lot than 79% of homes in Lawrence County
  • Newer than 91% of homes in Saint Onge 57779

What homes are worth in Saint Onge 57779

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

This home
$326K$1.7M

This home is worth more than 24% of homes in Saint Onge 57779.

How it measures up in Saint Onge 57779

The dot is this home. The mark in the middle is the typical home in Saint Onge 57779.

Estimated value$462,469
CheaperTypical $584,807Pricier

Pricier than 24% of homes nearby

Price per ft²$482
CheaperTypical $463Pricier

Pricier than 52% of homes nearby

Living area960 ft²
SmallerTypical 1,312 ft²Bigger

Bigger than 18% of homes nearby

Lot size3.67 ac
SmallerTypical 0.48 acBigger

Bigger than 61% of homes nearby

Year built2011
OlderTypical 1979Newer

Newer than 91% of homes nearby

How 100 2nd St ranks against every home in each area.
MeasureThis homeSaint Onge 57779Lawrence County
Estimated valuepricier than$462,46924% of homes44% of homes
Price per ft²pricier than$48252% of homes79% of homes
Living areabigger than960 ft²18% of homes17% of homes
Lot sizebigger than3.67 ac61% of homes79% of homes
Year builtnewer than201191% of homes79% of homes

About 100 2nd St

How much is 100 2nd St, Saint Onge, SD worth?

The TopHap Estimate for 100 2nd St, Saint Onge, SD is $462,469 as of Sep 24, 2026. The likely range is $304,982 to $619,956. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 2nd St, Saint Onge, SD last sell?

100 2nd St, Saint Onge, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 100 2nd St, Saint Onge, SD?

100 2nd St, Saint Onge, SD has 2 bathrooms, 960 square feet of living space and a 3.67-acre lot.

When was 100 2nd St, Saint Onge, SD built?

100 2nd St, Saint Onge, SD was built in 2011, making it 15 years old.

What schools serve 100 2nd St, Saint Onge, SD?

100 2nd St, Saint Onge, SD is assigned to Spearfish High School - 01 (high), rated C+; Spearfish Middle School - 05 (middle), rated B-; West Elementary - 03 (elementary). All sit in Spearfish School District 40-2. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 2nd St, Saint Onge, SD compare to other homes in Saint Onge 57779?

Among the 208 homes in Saint Onge 57779, it is worth more than 24% of them ($462,469 against a typical $584,807), its price per square foot is higher than 52% of them ($482 against a typical $463), it is bigger than 18% of them (960 ft² against a typical 1,312 ft²), its lot is bigger than 61% of them (3.67 ac against a typical 0.48 ac) and it is newer than 91% of them (2011 against a typical 1979). Measured against all of Lawrence County, it is worth more than 44% 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 100 2nd St, Saint Onge, SD?

The 2025 property tax bill for 100 2nd St, Saint Onge, SD was $1,410. The county assessed it at $142,180.

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