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Single Family ResidentialResidential
$340,280$178 / 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 81How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $330,000 on Aug 30, 2024

706 JEFFERSON AVE

ALTON, IA 51003
1.5
Baths
1,914 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.
2.66 ac
Lot SizeThe size of the land the home sits on, from county records.
1901
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$340K
$277K low$403K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$330,000 · Aug 30, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,148 (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.$81,150 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$73,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$7,850
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$137,980
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$81,150

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.12
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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 Residential
CountySIOUX
Lot (acres)The size of the land the home sits on, from county records.2.66
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.Wood
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Moc-Floyd Valley Middle SchoolA+
Middle · Grades 6–8 · 0.4 mi
E
Moc-Floyd Valley Elementary SchoolA+
Elementary · Grades PK–5 · 0.8 mi
H
Moc-Floyd Valley High SchoolA
High · Grades 9–12 · 1.7 mi

District: Moc-Floyd Valley Community School District

Neighborhood · ZIP 51003These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.94%
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.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.2,164
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.39 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,017
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,952
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.28 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

706 Jefferson Ave 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 70% of homes in Alton 51003
  • Bigger than 78% of homes in Sioux County
  • Has a bigger lot than 81% of homes in Sioux County
  • Older than 86% of homes in Sioux County

What homes are worth in Alton 51003

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

This home
$71K$652K

This home is worth more than 70% of homes in Alton 51003.

How it measures up in Alton 51003

The dot is this home. The mark in the middle is the typical home in Alton 51003.

Estimated value$340,280
CheaperTypical $260,709Pricier

Pricier than 70% of homes nearby

Price per ft²$178
CheaperTypical $168Pricier

Pricier than 55% of homes nearby

Living area1,914 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 71% of homes nearby

Lot size2.66 ac
SmallerTypical 0.4 acBigger

Bigger than 78% of homes nearby

Year built1901
OlderTypical 1956Newer

Newer than 25% of homes nearby

How 706 Jefferson Ave ranks against every home in each area.
MeasureThis homeAlton 51003Sioux County
Estimated valuepricier than$340,28070% of homes66% of homes
Price per ft²pricier than$17855% of homes46% of homes
Living areabigger than1,914 ft²71% of homes78% of homes
Lot sizebigger than2.66 ac78% of homes81% of homes
Year builtnewer than190125% of homes14% of homes

About 706 Jefferson Ave

How much is 706 Jefferson Ave, Alton, IA worth?

The TopHap Estimate for 706 Jefferson Ave, Alton, IA is $340,280 as of Sep 24, 2026. The likely range is $277,217 to $403,343. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 706 Jefferson Ave, Alton, IA last sell?

706 Jefferson Ave, Alton, IA last sold on Aug 30, 2024 for $330,000, according to the county's recorded deed.

How big is 706 Jefferson Ave, Alton, IA?

706 Jefferson Ave, Alton, IA has 1.5 bathrooms, 1,914 square feet of living space and a 2.66-acre lot.

When was 706 Jefferson Ave, Alton, IA built?

706 Jefferson Ave, Alton, IA was built in 1901, making it 125 years old. The building has 2 stories.

What schools serve 706 Jefferson Ave, Alton, IA?

706 Jefferson Ave, Alton, IA is assigned to Moc-Floyd Valley Middle School (middle), rated A+; Moc-Floyd Valley Elementary School (elementary), rated A+; Moc-Floyd Valley High School (high), rated A. All sit in Moc-Floyd Valley Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 706 Jefferson Ave, Alton, IA compare to other homes in Alton 51003?

Among the 670 homes in Alton 51003, it is worth more than 70% of them ($340,280 against a typical $260,709), its price per square foot is higher than 55% of them ($178 against a typical $168), it is bigger than 71% of them (1,914 ft² against a typical 1,632 ft²), its lot is bigger than 78% of them (2.66 ac against a typical 0.4 ac) and it is newer than 25% of them (1901 against a typical 1956). Measured against all of Sioux County, it is worth more than 66% 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 706 Jefferson Ave, Alton, IA?

The 2025 property tax bill for 706 Jefferson Ave, Alton, IA was $1,148. The county assessed it at $81,150.

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