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Single Family ResidenceResidential
$429,047$277 / 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 86How 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
Last sold for $269,000 on Jul 24, 2020

106 MONTGOMERY ST

CUSTER, SD 57730
2
Beds
2.5
Baths
1,549 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$429K
$371K low$487K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$269,000 · Jul 24, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,662 (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.$315,804 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$315,804
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$321,975
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$241,079

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.9 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
CountyCUSTER
Lot (acres)The size of the land the home sits on, from county records.0.38
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.Asphalt
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 100 ft²

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

E
Custer Elementary - 02B+
Elementary · Grades PK–6 · 1.3 mi
H
Custer High School - 01C+
High · Grades 9–12 · 1.3 mi
M
Custer Jr. High - 05A-
Middle · Grades 7–8 · 1.3 mi

District: Custer School District 16-1

Neighborhood · ZIP 57730These 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.146
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
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.5,941
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,295
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,357
Average tempThe average temperature here across a full year.44°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

106 Montgomery 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 67% of homes in Custer County
  • Costs less per square foot than 78% of homes in Custer 57730
  • Has a smaller lot than 77% of homes in Custer County
  • Older than 86% of homes in Custer County

What homes are worth in Custer 57730

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

This home
$198K$1.5M

This home is worth more than 35% of homes in Custer 57730.

How it measures up in Custer 57730

The dot is this home. The mark in the middle is the typical home in Custer 57730.

Estimated value$429,047
CheaperTypical $533,928Pricier

Pricier than 35% of homes nearby

Price per ft²$277
CheaperTypical $373Pricier

Pricier than 22% of homes nearby

Living area1,549 ft²
SmallerTypical 1,368 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.38 ac
SmallerTypical 2.45 acBigger

Bigger than 25% of homes nearby

Year built1950
OlderTypical 1994Newer

Newer than 18% of homes nearby

How 106 Montgomery St ranks against every home in each area.
MeasureThis homeCuster 57730Custer County
Estimated valuepricier than$429,04735% of homes33% of homes
Price per ft²pricier than$27722% of homes22% of homes
Living areabigger than1,549 ft²61% of homes59% of homes
Lot sizebigger than0.38 ac25% of homes23% of homes
Year builtnewer than195018% of homes14% of homes

About 106 Montgomery St

How much is 106 Montgomery St, Custer, SD worth?

The TopHap Estimate for 106 Montgomery St, Custer, SD is $429,047 as of Aug 30, 2026. The likely range is $370,701 to $487,393. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 106 Montgomery St, Custer, SD last sell?

106 Montgomery St, Custer, SD last sold on Jul 24, 2020 for $269,000, according to the county's recorded deed.

How big is 106 Montgomery St, Custer, SD?

106 Montgomery St, Custer, SD has 2 bedrooms, 2.5 bathrooms, 1,549 square feet of living space and a 0.38-acre lot.

When was 106 Montgomery St, Custer, SD built?

106 Montgomery St, Custer, SD was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 106 Montgomery St, Custer, SD?

106 Montgomery St, Custer, SD is assigned to Custer Elementary - 02 (elementary), rated B+; Custer High School - 01 (high), rated C+; Custer Jr. High - 05 (middle), rated A-. All sit in Custer School District 16-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 106 Montgomery St, Custer, SD compare to other homes in Custer 57730?

Among the 3,507 homes in Custer 57730, it is worth more than 35% of them ($429,047 against a typical $533,928), its price per square foot is higher than 22% of them ($277 against a typical $373), it is bigger than 61% of them (1,549 ft² against a typical 1,368 ft²), its lot is bigger than 25% of them (0.38 ac against a typical 2.45 ac) and it is newer than 18% of them (1950 against a typical 1994). Measured against all of Custer County, it is worth more than 33% 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 106 Montgomery St, Custer, SD?

The 2025 property tax bill for 106 Montgomery St, Custer, SD was $3,662. The county assessed it at $315,804.

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