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Single Family ResidenceResidential
$65,693$88 / 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 94How 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

400 WILLIAM ST

ROCK PORT, MO 64482
1.8
Baths
750 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$66K
$62K low$69K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$745 (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.$46,440 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$7,809
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$46,440

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.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
38
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
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.
9
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyATCHISON
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
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 · 30 ft²

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

M
Rock Port High SchoolB-
Middle · Grades 6–12 · 0.1 mi
E
Rock Port Elementary SchoolC+
Elementary · Grades PK–5 · 0.1 mi

District: Rock Port R-Ii School District

Neighborhood · ZIP 64482These 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.116
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.135
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.28

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
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.1,305
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,101
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,706
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

400 William 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 86% of homes in Rock Port 64482
  • Smaller than 94% of homes in Rock Port 64482
  • Has a smaller lot than 81% of homes in Rock Port 64482

What homes are worth in Rock Port 64482

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

This home
$43K$509K

This home is worth more than 14% of homes in Rock Port 64482.

How it measures up in Rock Port 64482

The dot is this home. The mark in the middle is the typical home in Rock Port 64482.

Estimated value$65,693
CheaperTypical $118,727Pricier

Pricier than 14% of homes nearby

Price per ft²$88
CheaperTypical $93Pricier

Pricier than 46% of homes nearby

Living area750 ft²
SmallerTypical 1,364 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.22 ac
SmallerTypical 0.44 acBigger

Bigger than 19% of homes nearby

Year built1945
OlderTypical 1950Newer

Newer than 44% of homes nearby

How 400 William St ranks against every home in each area.
MeasureThis homeRock Port 64482Atchison County
Estimated valuepricier than$65,69314% of homes22% of homes
Price per ft²pricier than$8846% of homes54% of homes
Living areabigger than750 ft²6% of homes6% of homes
Lot sizebigger than0.22 ac19% of homes20% of homes
Year builtnewer than194544% of homes52% of homes

About 400 William St

How much is 400 William St, Rock Port, MO worth?

The TopHap Estimate for 400 William St, Rock Port, MO is $65,693 as of Sep 24, 2026. The likely range is $61,957 to $69,429. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 William St, Rock Port, MO last sell?

400 William St, Rock Port, MO last sold on Nov 5, 2009, according to the county's recorded deed.

How big is 400 William St, Rock Port, MO?

400 William St, Rock Port, MO has 1.8 bathrooms, 750 square feet of living space and a 0.22-acre lot.

When was 400 William St, Rock Port, MO built?

400 William St, Rock Port, MO was built in 1945, making it 81 years old. The building has 1 story.

What schools serve 400 William St, Rock Port, MO?

400 William St, Rock Port, MO is assigned to Rock Port High School (middle), rated B-; Rock Port Elementary School (elementary), rated C+. All sit in Rock Port R-Ii School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 William St, Rock Port, MO compare to other homes in Rock Port 64482?

Among the 1,036 homes in Rock Port 64482, it is worth more than 14% of them ($65,693 against a typical $118,727), its price per square foot is higher than 46% of them ($88 against a typical $93), it is bigger than 6% of them (750 ft² against a typical 1,364 ft²), its lot is bigger than 19% of them (0.22 ac against a typical 0.44 ac) and it is newer than 44% of them (1945 against a typical 1950). Measured against all of Atchison County, it is worth more than 22% 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 400 William St, Rock Port, MO?

The 2025 property tax bill for 400 William St, Rock Port, MO was $745. The county assessed it at $46,440.

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