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Rural ResidenceResidential
$672,560$701 / 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 77How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

21742 OLD RIDGE RD

NEMO, SD 57759
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.
142.14 ac
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

$673K
$521K low$824K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$344 (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.$54,950 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,590
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,360
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$52,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$31,527

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.25 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.possible but undetermined

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyLAWRENCE
Lot (acres)The size of the land the home sits on, from county records.142.14
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 · 11.2 mi
M
Lead-Deadwood Middle School - 02C
Middle · Grades 6–8 · 11.6 mi
H
Lead-Deadwood High School - 01C
High · Grades 9–12 · 11.6 mi

District: Lead-Deadwood School District 40-1

Neighborhood · ZIP 57759These 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.158
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

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.71%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.4%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.5%
PopulationHow many people live in this area.588
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$46,612
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$64,395
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.24 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

21742 Old Ridge 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 71% of homes in Lawrence County
  • Costs more per square foot than 97% of homes in Lawrence County
  • Smaller than 83% of homes in Lawrence County
  • Among the largest lots in Lawrence County
  • Older than 98% of homes in Nemo 57759

What homes are worth in Nemo 57759

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

This home
$287K$2.1M

This home is worth more than 44% of homes in Nemo 57759.

How it measures up in Nemo 57759

The dot is this home. The mark in the middle is the typical home in Nemo 57759.

Estimated value$672,560
CheaperTypical $694,547Pricier

Pricier than 44% of homes nearby

Price per ft²$701
CheaperTypical $486Pricier

Pricier than 87% of homes nearby

Living area960 ft²
SmallerTypical 1,528 ft²Bigger

Bigger than 19% of homes nearby

Lot size142.14 ac
SmallerTypical 4.81 acBigger

Bigger than almost all homes nearby

Year built1900
OlderTypical 2000Newer

Newer than 2% of homes nearby

How 21742 Old Ridge Rd ranks against every home in each area.
MeasureThis homeNemo 57759Lawrence County
Estimated valuepricier than$672,56044% of homes71% of homes
Price per ft²pricier than$70187% of homes97% of homes
Living areabigger than960 ft²19% of homes17% of homes
Lot sizebigger than142.14 acalmost all homesalmost all homes
Year builtnewer than19002% of homes6% of homes

About 21742 Old Ridge Rd

How much is 21742 Old Ridge Rd, Nemo, SD worth?

The TopHap Estimate for 21742 Old Ridge Rd, Nemo, SD is $672,560 as of Oct 21, 2026. The likely range is $520,950 to $824,170. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21742 Old Ridge Rd, Nemo, SD last sell?

21742 Old Ridge Rd, Nemo, SD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21742 Old Ridge Rd, Nemo, SD?

21742 Old Ridge Rd, Nemo, SD has 2 bathrooms, 960 square feet of living space and a 142.14-acre lot.

When was 21742 Old Ridge Rd, Nemo, SD built?

21742 Old Ridge Rd, Nemo, SD was built in 1900, making it 126 years old.

What schools serve 21742 Old Ridge Rd, Nemo, SD?

21742 Old Ridge Rd, Nemo, SD is assigned to Lead-Deadwood Elementary - 03 (elementary), rated C-; Lead-Deadwood Middle School - 02 (middle), rated C; 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 21742 Old Ridge Rd, Nemo, SD compare to other homes in Nemo 57759?

Among the 370 homes in Nemo 57759, it is worth more than 44% of them ($672,560 against a typical $694,547), its price per square foot is higher than 87% of them ($701 against a typical $486), it is bigger than 19% of them (960 ft² against a typical 1,528 ft²), its lot is bigger than almost all of them (142.14 ac against a typical 4.81 ac) and it is newer than 2% of them (1900 against a typical 2000). Measured against all of Lawrence County, it is worth more than 71% 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 21742 Old Ridge Rd, Nemo, SD?

The 2025 property tax bill for 21742 Old Ridge Rd, Nemo, SD was $344. The county assessed it at $54,950.

More homes on Old Ridge Rd

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