Skip to content
Skip to content
Single Family ResidenceResidential
$176,300$87 / 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 82How 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

128TH ST

SD
0
Baths
2,028 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.
7.86 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$176K
$145K low$207K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,923 (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.$304,890 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,486
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$286,404
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$304,890

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.23 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
CountyBrown
Lot (acres)The size of the land the home sits on, from county records.7.86

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

District: Groton Area School District 06-6

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

128th 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 more than 85% of homes in Brown County
  • Bigger than 85% of homes in Brown County
  • Has a bigger lot than 74% of homes in Brown County

How it measures up in Brown County

The dot is this home. The mark in the middle is the typical home in Brown County.

Estimated value$176,300
CheaperTypical $96,933Pricier

Pricier than 85% of homes nearby

Price per ft²$87
CheaperTypical $78Pricier

Pricier than 59% of homes nearby

Living area2,028 ft²
SmallerTypical 1,296 ft²Bigger

Bigger than 85% of homes nearby

Lot size7.86 ac
SmallerTypical 1.01 acBigger

Bigger than 74% of homes nearby

How 128th St ranks against every home in each area.
MeasureThis homeBrown County
Estimated valuepricier than$176,30085% of homes
Price per ft²pricier than$8759% of homes
Living areabigger than2,028 ft²85% of homes
Lot sizebigger than7.86 ac74% of homes

About 128th St

How much is 128th St, , SD worth?

The TopHap Estimate for 128th St, , SD is $176,300 as of Aug 30, 2026. The likely range is $145,348 to $207,252. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 128th St, , SD last sell?

128th St, , SD last sold on Jul 23, 2017, according to the county's recorded deed.

How big is 128th St, , SD?

128th St, , SD has 2,028 square feet of living space and a 7.86-acre lot.

What schools serve 128th St, , SD?

128th St, , SD is assigned to Groton Area Elementary - 02 (elementary), rated B; Groton Area High School - 01 (high), rated A; Groton Area Middle School - 04 (middle), rated B. All sit in Groton Area School District 06-6. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 128th St, , SD compare to other homes in Brown County?

Among the 14,227 homes in Brown County, it is worth more than 85% of them ($176,300 against a typical $96,933), its price per square foot is higher than 59% of them ($87 against a typical $78), it is bigger than 85% of them (2,028 ft² against a typical 1,296 ft²) and its lot is bigger than 74% of them (7.86 ac against a typical 1.01 ac). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 128th St, , SD?

The 2025 property tax bill for 128th St, , SD was $2,923. The county assessed it at $304,890.