Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$198,094$145 / 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 87How 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

278 1ST ST

SAINT ONGE, SD 57779
3
Baths
1,366 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.
2,614 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.

Valuation

$198K
$172K low$225K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$998 (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.$100,480 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,640
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$96,840
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$102,540
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$86,690

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.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
CountyLAWRENCE
Lot (acres)The size of the land the home sits on, from county records.0.06
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 · 7.7 mi
E
West Elementary - 03
Elementary · Grades 1–2 · 8.3 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%

Owner Tools

Do you own this home?
Claim this home

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

278 1st 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.

  • Among the least valuable homes in Saint Onge 57779
  • Costs less per square foot than 98% of homes in Saint Onge 57779
  • Has a smaller lot than 92% of homes in Lawrence County
  • Older than 94% of homes in Lawrence County

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 less than almost all 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$198,094
CheaperTypical $584,807Pricier

Cheaper than almost all homes nearby

Price per ft²$145
CheaperTypical $463Pricier

Pricier than 2% of homes nearby

Living area1,366 ft²
SmallerTypical 1,312 ft²Bigger

Bigger than 54% of homes nearby

Lot size2,614 ft²
SmallerTypical 0.48 acBigger

Bigger than 15% of homes nearby

Year built1900
OlderTypical 1979Newer

Newer than 8% of homes nearby

How 278 1st St ranks against every home in each area.
MeasureThis homeSaint Onge 57779Lawrence County
Estimated valuepricier than$198,094almost no homes4% of homes
Price per ft²pricier than$1452% of homes3% of homes
Living areabigger than1,366 ft²54% of homes50% of homes
Lot sizebigger than2,614 ft²15% of homes8% of homes
Year builtnewer than19008% of homes6% of homes

About 278 1st St

How much is 278 1st St, Saint Onge, SD worth?

The TopHap Estimate for 278 1st St, Saint Onge, SD is $198,094 as of Sep 24, 2026. The likely range is $171,629 to $224,559. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 278 1st St, Saint Onge, SD last sell?

278 1st St, Saint Onge, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 278 1st St, Saint Onge, SD?

278 1st St, Saint Onge, SD has 3 bathrooms, 1,366 square feet of living space and a 0.06-acre lot.

When was 278 1st St, Saint Onge, SD built?

278 1st St, Saint Onge, SD was built in 1900, making it 126 years old.

What schools serve 278 1st St, Saint Onge, SD?

278 1st 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 278 1st 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 almost none of them ($198,094 against a typical $584,807), its price per square foot is higher than 2% of them ($145 against a typical $463), it is bigger than 54% of them (1,366 ft² against a typical 1,312 ft²), its lot is bigger than 15% of them (2,614 ft² against a typical 0.48 ac) and it is newer than 8% of them (1900 against a typical 1979). Measured against all of Lawrence County, it is worth more than 4% 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 278 1st St, Saint Onge, SD?

The 2025 property tax bill for 278 1st St, Saint Onge, SD was $998. The county assessed it at $100,480.

More homes on 1st St

Closest homes

More homes in Saint Onge 57779

Assigned schools

Explore the area

See this home in context

Open 278 1st St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map