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Single Family ResidenceResidential
$96,906$116 / 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 73How 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

311 S RIDGLEY ST

ALGONA, IA 50511
2
Beds
1 / 1
Baths
838 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$97K
$71K low$123K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$738 (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.$46,765 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,858
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,907
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,023
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$46,765

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.41
54
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
52
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
11
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.18 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
CountyKOSSUTH
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
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 · 169 ft²Patio · 169 ft²Porch · 352 ft²

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

E
Bryant Elementary School
Elementary · Grades 1–2 · 0.4 mi
H
Algona High SchoolC+
High · Grades 9–12 · 0.9 mi
M
Algona Middle SchoolA
Middle · Grades 5–8 · 0.9 mi

District: Algona Community School District

Neighborhood · ZIP 50511These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
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.0.7%
PopulationHow many people live in this area.6,869
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.54 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,788
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,665
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.31 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

311 S Ridgley 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 77% of homes in Algona 50511
  • Costs more per square foot than 66% of homes in Kossuth County
  • Smaller than 95% of homes in Kossuth County
  • Among the smallest lots in Kossuth County
  • Older than 75% of homes in Algona 50511

What homes are worth in Algona 50511

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

This home
$40K$554K

This home is worth more than 23% of homes in Algona 50511.

How it measures up in Algona 50511

The dot is this home. The mark in the middle is the typical home in Algona 50511.

Estimated value$96,906
CheaperTypical $160,213Pricier

Pricier than 23% of homes nearby

Price per ft²$116
CheaperTypical $119Pricier

Pricier than 48% of homes nearby

Living area838 ft²
SmallerTypical 1,428 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.1 ac
SmallerTypical 0.25 acBigger

Bigger than 2% of homes nearby

Year built1920
OlderTypical 1960Newer

Newer than 25% of homes nearby

How 311 S Ridgley St ranks against every home in each area.
MeasureThis homeAlgona 50511Kossuth County
Estimated valuepricier than$96,90623% of homes37% of homes
Price per ft²pricier than$11648% of homes66% of homes
Living areabigger than838 ft²6% of homes5% of homes
Lot sizebigger than0.1 ac2% of homesalmost no homes
Year builtnewer than192025% of homes34% of homes

About 311 S Ridgley St

How much is 311 S Ridgley St, Algona, IA worth?

The TopHap Estimate for 311 S Ridgley St, Algona, IA is $96,906 as of Aug 30, 2026. The likely range is $70,508 to $123,304. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 311 S Ridgley St, Algona, IA last sell?

311 S Ridgley St, Algona, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 311 S Ridgley St, Algona, IA?

311 S Ridgley St, Algona, IA has 2 bedrooms, 1 bathrooms, 838 square feet of living space and a 0.10-acre lot.

When was 311 S Ridgley St, Algona, IA built?

311 S Ridgley St, Algona, IA was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 311 S Ridgley St, Algona, IA?

311 S Ridgley St, Algona, IA is assigned to Bryant Elementary School (elementary); Algona High School (high), rated C+; Algona Middle School (middle), rated A. All sit in Algona Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 311 S Ridgley St, Algona, IA compare to other homes in Algona 50511?

Among the 3,038 homes in Algona 50511, it is worth more than 23% of them ($96,906 against a typical $160,213), its price per square foot is higher than 48% of them ($116 against a typical $119), it is bigger than 6% of them (838 ft² against a typical 1,428 ft²), its lot is bigger than 2% of them (0.1 ac against a typical 0.25 ac) and it is newer than 25% of them (1920 against a typical 1960). Measured against all of Kossuth County, it is worth more than 37% 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 311 S Ridgley St, Algona, IA?

The 2025 property tax bill for 311 S Ridgley St, Algona, IA was $738. The county assessed it at $46,765.

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