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Single Family ResidentialResidential
$193,687$243 / 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 95How 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

18317 STATE HIGHWAY Z

MO
0
Baths
798 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.
1982
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$194K
$183K low$204K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$943 (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.$25,540 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,850
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,690
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,310
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$134,400

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.56
39
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
54
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
80
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
77
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
30
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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyDOUGLAS
Lot (acres)The size of the land the home sits on, from county records.1.00
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
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.

E
Ava Elementary SchoolC-
Elementary · Grades PK–4 · 13.2 mi
H
Ava High SchoolB
High · Grades 9–12 · 13.2 mi
M
Ava Middle SchoolB
Middle · Grades 5–8 · 13.2 mi

District: Ava R-I School District

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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

18317 State Highway Z 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.

  • Costs more per square foot than 72% of homes in Douglas County
  • Smaller than 84% of homes in Douglas County
  • Has a smaller lot than 83% of homes in Douglas County

How it measures up in Douglas County

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

Estimated value$193,687
CheaperTypical $234,297Pricier

Pricier than 36% of homes nearby

Price per ft²$243
CheaperTypical $190Pricier

Pricier than 72% of homes nearby

Living area798 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 16% of homes nearby

Lot size1 ac
SmallerTypical 13.2 acBigger

Bigger than 17% of homes nearby

Year built1982
OlderTypical 1980Newer

Newer than 52% of homes nearby

How 18317 State Highway Z ranks against every home in each area.
MeasureThis homeDouglas County
Estimated valuepricier than$193,68736% of homes
Price per ft²pricier than$24372% of homes
Living areabigger than798 ft²16% of homes
Lot sizebigger than1 ac17% of homes
Year builtnewer than198252% of homes

About 18317 State Highway Z

How much is 18317 State Highway Z, , MO worth?

The TopHap Estimate for 18317 State Highway Z, , MO is $193,687 as of Aug 30, 2026. The likely range is $183,283 to $204,091. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18317 State Highway Z, , MO last sell?

18317 State Highway Z, , MO last sold on Mar 6, 2024, according to the county's recorded deed.

How big is 18317 State Highway Z, , MO?

18317 State Highway Z, , MO has 798 square feet of living space and a 1.00-acre lot.

When was 18317 State Highway Z, , MO built?

18317 State Highway Z, , MO was built in 1982, making it 44 years old.

What schools serve 18317 State Highway Z, , MO?

18317 State Highway Z, , MO is assigned to Ava Elementary School (elementary), rated C-; Ava High School (high), rated B; Ava Middle School (middle), rated B. All sit in Ava R-I School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18317 State Highway Z, , MO compare to other homes in Douglas County?

Among the 6,443 homes in Douglas County, it is worth more than 36% of them ($193,687 against a typical $234,297), its price per square foot is higher than 72% of them ($243 against a typical $190), it is bigger than 16% of them (798 ft² against a typical 1,232 ft²), its lot is bigger than 17% of them (1 ac against a typical 13.2 ac) and it is newer than 52% of them (1982 against a typical 1980). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18317 State Highway Z, , MO?

The 2025 property tax bill for 18317 State Highway Z, , MO was $943. The county assessed it at $25,540.

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