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Single Family ResidentialResidential
$315,848$151 / 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 91How 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

12755 NW 400 RD

ROCKVILLE, MO 64780
3
Beds
0
Baths
2,088 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$316K
$286K low$345K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,322 (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.$19,700 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$19,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$114,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountySt. Clair
Lot (acres)The size of the land the home sits on, from county records.1.00
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
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.Carport (Unspecified)

Transaction History(1)

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.

H
Appleton City High SchoolC-
High · Grades 9–12 · 7.1 mi
E
Appleton City Elementary SchoolA
Elementary · Grades PK–6 · 7.1 mi

District: Appleton City R-Ii School District

Neighborhood · ZIP 64780These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.125
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.75%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.547
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,933
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$63,958
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

12755 Nw 400 Rd 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 74% of homes in St. Clair County
  • Bigger than 90% of homes in St. Clair County
  • Has a smaller lot than 85% of homes in St. Clair County
  • Newer than 68% of homes in Rockville 64780

What homes are worth in Rockville 64780

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

This home
$82K$810K

This home is worth more than 63% of homes in Rockville 64780.

How it measures up in Rockville 64780

The dot is this home. The mark in the middle is the typical home in Rockville 64780.

Estimated value$315,848
CheaperTypical $235,712Pricier

Pricier than 63% of homes nearby

Price per ft²$151
CheaperTypical $168Pricier

Pricier than 44% of homes nearby

Living area2,088 ft²
SmallerTypical 1,352 ft²Bigger

Bigger than 88% of homes nearby

Lot size1 ac
SmallerTypical 6.25 acBigger

Bigger than 30% of homes nearby

Year built1990
OlderTypical 1970Newer

Newer than 68% of homes nearby

How 12755 Nw 400 Rd ranks against every home in each area.
MeasureThis homeRockville 64780St. Clair County
Estimated valuepricier than$315,84863% of homes74% of homes
Price per ft²pricier than$15144% of homes46% of homes
Living areabigger than2,088 ft²88% of homes90% of homes
Lot sizebigger than1 ac30% of homes15% of homes
Year builtnewer than199068% of homes59% of homes

About 12755 Nw 400 Rd

How much is 12755 Nw 400 Rd, Rockville, MO worth?

The TopHap Estimate for 12755 Nw 400 Rd, Rockville, MO is $315,848 as of Aug 30, 2026. The likely range is $286,329 to $345,367. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12755 Nw 400 Rd, Rockville, MO last sell?

12755 Nw 400 Rd, Rockville, MO last sold on Mar 4, 2016, according to the county's recorded deed.

How big is 12755 Nw 400 Rd, Rockville, MO?

12755 Nw 400 Rd, Rockville, MO has 3 bedrooms, 2,088 square feet of living space and a 1.00-acre lot.

When was 12755 Nw 400 Rd, Rockville, MO built?

12755 Nw 400 Rd, Rockville, MO was built in 1990, making it 36 years old. The building has 1 story.

What schools serve 12755 Nw 400 Rd, Rockville, MO?

12755 Nw 400 Rd, Rockville, MO is assigned to Appleton City High School (high), rated C-; Appleton City Elementary School (elementary), rated A. All sit in Appleton City R-Ii School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12755 Nw 400 Rd, Rockville, MO compare to other homes in Rockville 64780?

Among the 306 homes in Rockville 64780, it is worth more than 63% of them ($315,848 against a typical $235,712), its price per square foot is higher than 44% of them ($151 against a typical $168), it is bigger than 88% of them (2,088 ft² against a typical 1,352 ft²), its lot is bigger than 30% of them (1 ac against a typical 6.25 ac) and it is newer than 68% of them (1990 against a typical 1970). Measured against all of St. Clair County, it is worth more than 74% 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 12755 Nw 400 Rd, Rockville, MO?

The 2025 property tax bill for 12755 Nw 400 Rd, Rockville, MO was $1,322. The county assessed it at $19,700.

More homes on Nw 400 Rd

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Assigned schools

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