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Single Family ResidenceResidential
$769,736$222 / 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

4446 NW SIENNA RDG

RIVERSIDE, MO 64150
4
Beds
4.3
Baths
3,469 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$770K
$724K low$816K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,206 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$111,050 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,784
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$91,266
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$111,050
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$584,474

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.39
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
39
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
76
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
55
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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 Residence
CountyPLATTE
Lot (acres)The size of the land the home sits on, from county records.0.38
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.Composition Shingle
HeatingThe type of heating system in the home.Yes
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.Deck · 140 ft²Patio · 350 ft²Porch · 70 ft²

Transaction History(5)

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
Park Hill South High SchoolA+
High · Grades 9–12 · 0.5 mi
M
Walden Middle SchoolA-
Middle · Grades 6–8 · 1.4 mi
E
Southeast Elementary SchoolA-
Elementary · Grades KG–5 · 1.6 mi

District: Park Hill School District

Neighborhood · ZIP 64150These 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.120
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
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.4,480
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.771 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,277
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,886
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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

4446 Nw Sienna Rdg 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 94% of homes in Platte County
  • Bigger than 92% of homes in Platte County
  • Has a bigger lot than 68% of homes in Platte County
  • Newer than 86% of homes in Platte County

What homes are worth in Riverside 64150

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

This home
$149K$940K

This home is worth more than 88% of homes in Riverside 64150.

How it measures up in Riverside 64150

The dot is this home. The mark in the middle is the typical home in Riverside 64150.

Estimated value$769,736
CheaperTypical $447,936Pricier

Pricier than 88% of homes nearby

Price per ft²$222
CheaperTypical $220Pricier

Pricier than 52% of homes nearby

Living area3,469 ft²
SmallerTypical 1,913 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.38 ac
SmallerTypical 0.34 acBigger

Bigger than 63% of homes nearby

Year built2015
OlderTypical 2005Newer

Newer than 64% of homes nearby

How 4446 Nw Sienna Rdg ranks against every home in each area.
MeasureThis homeRiverside 64150Platte County
Estimated valuepricier than$769,73688% of homes94% of homes
Price per ft²pricier than$22252% of homes57% of homes
Living areabigger than3,469 ft²88% of homes92% of homes
Lot sizebigger than0.38 ac63% of homes68% of homes
Year builtnewer than201564% of homes86% of homes

About 4446 Nw Sienna Rdg

How much is 4446 Nw Sienna Rdg, Riverside, MO worth?

The TopHap Estimate for 4446 Nw Sienna Rdg, Riverside, MO is $769,736 as of Sep 24, 2026. The likely range is $723,518 to $815,954. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4446 Nw Sienna Rdg, Riverside, MO last sell?

4446 Nw Sienna Rdg, Riverside, MO last sold on Sep 9, 2020, according to the county's recorded deed.

How big is 4446 Nw Sienna Rdg, Riverside, MO?

4446 Nw Sienna Rdg, Riverside, MO has 4 bedrooms, 4.3 bathrooms, 3,469 square feet of living space and a 0.38-acre lot.

When was 4446 Nw Sienna Rdg, Riverside, MO built?

4446 Nw Sienna Rdg, Riverside, MO was built in 2015, making it 11 years old. The building has 1 story.

What schools serve 4446 Nw Sienna Rdg, Riverside, MO?

4446 Nw Sienna Rdg, Riverside, MO is assigned to Park Hill South High School (high), rated A+; Walden Middle School (middle), rated A-; Southeast Elementary School (elementary), rated A-. All sit in Park Hill School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4446 Nw Sienna Rdg, Riverside, MO compare to other homes in Riverside 64150?

Among the 949 homes in Riverside 64150, it is worth more than 88% of them ($769,736 against a typical $447,936), its price per square foot is higher than 52% of them ($222 against a typical $220), it is bigger than 88% of them (3,469 ft² against a typical 1,913 ft²), its lot is bigger than 63% of them (0.38 ac against a typical 0.34 ac) and it is newer than 64% of them (2015 against a typical 2005). Measured against all of Platte County, it is worth more than 94% 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 4446 Nw Sienna Rdg, Riverside, MO?

The 2024 property tax bill for 4446 Nw Sienna Rdg, Riverside, MO was $7,206. The county assessed it at $111,050.

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