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Single Family ResidenceResidential
$161,245$112 / 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 83How 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 $80,000 on Oct 26, 2017

340 1ST ST

CHATSWORTH, IA 51011
1.5
Baths
1,441 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.
0.69 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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$161K
$134K low$188K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$80,000 · Oct 26, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,940 (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.$144,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$134,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$112,180
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$144,600

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.26 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountySIOUX
Lot (acres)The size of the land the home sits on, from county records.0.69
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.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.Porch · 289 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

M
West Sioux Middle SchoolB+
Middle · Grades 6–8 · 6.2 mi
H
West Sioux High SchoolD+
High · Grades 9–12 · 6.2 mi
E
Ireton Elementary School
Elementary · Grades PK–1 · 10.9 mi

District: West Sioux Community School District

Neighborhood · ZIP 51011These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.95%
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.12%
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.3
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,973
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,352
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.27 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

Owner Tools

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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

340 1st 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 84% of homes in Sioux County
  • Costs less per square foot than 85% of homes in Sioux County
  • Has a bigger lot than 70% of homes in Sioux County
  • Older than 74% of homes in Sioux County

What homes are worth in Sioux County

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

This home
$28K$343K

This home is worth more than 59% of homes in Sioux County.

How it measures up in Sioux County

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

Estimated value$161,245
CheaperTypical $281,523Pricier

Pricier than 16% of homes nearby

Price per ft²$112
CheaperTypical $190Pricier

Pricier than 15% of homes nearby

Living area1,441 ft²
SmallerTypical 1,505 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.69 ac
SmallerTypical 0.34 acBigger

Bigger than 70% of homes nearby

Year built1920
OlderTypical 1969Newer

Newer than 26% of homes nearby

How 340 1st St ranks against every home in each area.
MeasureThis homeSioux County
Estimated valuepricier than$161,24516% of homes
Price per ft²pricier than$11215% of homes
Living areabigger than1,441 ft²44% of homes
Lot sizebigger than0.69 ac70% of homes
Year builtnewer than192026% of homes

About 340 1st St

How much is 340 1st St, Chatsworth, IA worth?

The TopHap Estimate for 340 1st St, Chatsworth, IA is $161,245 as of Aug 30, 2026. The likely range is $134,150 to $188,340. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 1st St, Chatsworth, IA last sell?

340 1st St, Chatsworth, IA last sold on Oct 26, 2017 for $80,000, according to the county's recorded deed.

How big is 340 1st St, Chatsworth, IA?

340 1st St, Chatsworth, IA has 1.5 bathrooms, 1,441 square feet of living space and a 0.69-acre lot.

When was 340 1st St, Chatsworth, IA built?

340 1st St, Chatsworth, IA was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 340 1st St, Chatsworth, IA?

340 1st St, Chatsworth, IA is assigned to West Sioux Middle School (middle), rated B+; West Sioux High School (high), rated D+; Ireton Elementary School (elementary). All sit in West Sioux Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 1st St, Chatsworth, IA compare to other homes in Sioux County?

Among the 12,296 homes in Sioux County, it is worth more than 16% of them ($161,245 against a typical $281,523), its price per square foot is higher than 15% of them ($112 against a typical $190), it is bigger than 44% of them (1,441 ft² against a typical 1,505 ft²), its lot is bigger than 70% of them (0.69 ac against a typical 0.34 ac) and it is newer than 26% of them (1920 against a typical 1969). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 340 1st St, Chatsworth, IA?

The 2025 property tax bill for 340 1st St, Chatsworth, IA was $1,940. The county assessed it at $144,600.

More homes on 1st St

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Assigned schools

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