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Rural ResidenceResidential
$178,143$141 / 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 78How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $1,868,500 on Nov 18, 2021

504 320TH ST

LONE ROCK, IA 50559
2.5
Baths
1,260 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.
35 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$178K
$140K low$217K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,868,500 · Nov 18, 2021
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.363%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$575,000
FARM CREDIT SERVICES AMERICA · recorded Nov 18, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,714 (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.$210,015 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$86,392
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$123,623
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$169,587
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$210,015

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.31
23
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
51
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.3 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.Rural Residence
CountyKOSSUTH
Lot (acres)The size of the land the home sits on, from county records.35.00
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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, Attached
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.Shed · 2,016 ft²Porch · 92 ft²

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

E
North Union Elementary SchoolA
Elementary · Grades PK–5 · 2.0 mi
M
North Union Middle SchoolB
Middle · Grades 6–8 · 11.2 mi
H
North Union High SchoolA-
High · Grades 9–12 · 13.6 mi

District: North Kossuth Community School District

Neighborhood · ZIP 50559These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.471
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.$62,459
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,938
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

504 320th 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 87% of homes in Lone Rock 50559
  • Costs more per square foot than 95% of homes in Lone Rock 50559
  • Smaller than 65% of homes in Kossuth County
  • Has a bigger lot than 92% of homes in Kossuth County
  • Newer than 90% of homes in Lone Rock 50559

What homes are worth in Lone Rock 50559

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

This home
$31K$297K

This home is worth more than 87% of homes in Lone Rock 50559.

How it measures up in Lone Rock 50559

The dot is this home. The mark in the middle is the typical home in Lone Rock 50559.

Estimated value$178,143
CheaperTypical $93,981Pricier

Pricier than 87% of homes nearby

Price per ft²$141
CheaperTypical $65Pricier

Pricier than 95% of homes nearby

Living area1,260 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 36% of homes nearby

Lot size35 ac
SmallerTypical 1.7 acBigger

Bigger than 83% of homes nearby

Year built1998
OlderTypical 1932Newer

Newer than 90% of homes nearby

How 504 320th St ranks against every home in each area.
MeasureThis homeLone Rock 50559Kossuth County
Estimated valuepricier than$178,14387% of homes68% of homes
Price per ft²pricier than$14195% of homes77% of homes
Living areabigger than1,260 ft²36% of homes35% of homes
Lot sizebigger than35 ac83% of homes92% of homes
Year builtnewer than199890% of homes90% of homes

About 504 320th St

How much is 504 320th St, Lone Rock, IA worth?

The TopHap Estimate for 504 320th St, Lone Rock, IA is $178,143 as of Jul 14, 2026. The likely range is $139,510 to $216,776. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 504 320th St, Lone Rock, IA last sell?

504 320th St, Lone Rock, IA last sold on Nov 18, 2021 for $1,868,500, according to the county's recorded deed.

How big is 504 320th St, Lone Rock, IA?

504 320th St, Lone Rock, IA has 2.5 bathrooms, 1,260 square feet of living space and a 35.00-acre lot.

When was 504 320th St, Lone Rock, IA built?

504 320th St, Lone Rock, IA was built in 1998, making it 28 years old. The building has 1 story.

What schools serve 504 320th St, Lone Rock, IA?

504 320th St, Lone Rock, IA is assigned to North Union Elementary School (elementary), rated A; North Union Middle School (middle), rated B; North Union High School (high), rated A-. All sit in North Kossuth Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 504 320th St, Lone Rock, IA compare to other homes in Lone Rock 50559?

Among the 173 homes in Lone Rock 50559, it is worth more than 87% of them ($178,143 against a typical $93,981), its price per square foot is higher than 95% of them ($141 against a typical $65), it is bigger than 36% of them (1,260 ft² against a typical 1,456 ft²), its lot is bigger than 83% of them (35 ac against a typical 1.7 ac) and it is newer than 90% of them (1998 against a typical 1932). Measured against all of Kossuth County, it is worth more than 68% 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 504 320th St, Lone Rock, IA?

The 2025 property tax bill for 504 320th St, Lone Rock, IA was $4,714. The county assessed it at $210,015.

Closest homes

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Assigned schools

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