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Residential (General/Single)Residential
$121,036$161 / 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 93How 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

820 S WASHINGTON ST

DIAMOND, MO 64840
0
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.
8.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
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

$121K
$113K low$129K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$585 (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.$10,980 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$65,400

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.21 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.Residential (General/Single)
CountyNEWTON
Lot (acres)The size of the land the home sits on, from county records.8.48
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
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

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

H
Diamond High SchoolF
High · Grades 9–12 · 0.3 mi
M
Diamond Middle SchoolC+
Middle · Grades 5–8 · 0.4 mi
E
Diamond Elementary SchoolF
Elementary · Grades PK–4 · 0.4 mi

District: Diamond R-Iv School District

Neighborhood · ZIP 64840These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.124
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.33

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.3,755
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.70 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,401
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,593
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

820 S Washington 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 90% of homes in Diamond 64840
  • Smaller than 96% of homes in Diamond 64840
  • Has a bigger lot than 79% of homes in Newton County

What homes are worth in Diamond 64840

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

This home
$87K$621K

This home is worth more than 10% of homes in Diamond 64840.

How it measures up in Diamond 64840

The dot is this home. The mark in the middle is the typical home in Diamond 64840.

Estimated value$121,036
CheaperTypical $228,341Pricier

Pricier than 10% of homes nearby

Price per ft²$161
CheaperTypical $153Pricier

Pricier than 56% of homes nearby

Living area750 ft²
SmallerTypical 1,464 ft²Bigger

Bigger than 4% of homes nearby

Lot size8.48 ac
SmallerTypical 2.65 acBigger

Bigger than 72% of homes nearby

Year built1991
OlderTypical 1985Newer

Newer than 54% of homes nearby

How 820 S Washington St ranks against every home in each area.
MeasureThis homeDiamond 64840Newton County
Estimated valuepricier than$121,03610% of homes13% of homes
Price per ft²pricier than$16156% of homes61% of homes
Living areabigger than750 ft²4% of homes4% of homes
Lot sizebigger than8.48 ac72% of homes79% of homes
Year builtnewer than199154% of homes61% of homes

About 820 S Washington St

How much is 820 S Washington St, Diamond, MO worth?

The TopHap Estimate for 820 S Washington St, Diamond, MO is $121,036 as of Sep 24, 2026. The likely range is $112,637 to $129,435. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 820 S Washington St, Diamond, MO last sell?

820 S Washington St, Diamond, MO last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 820 S Washington St, Diamond, MO?

820 S Washington St, Diamond, MO has 750 square feet of living space and a 8.48-acre lot.

When was 820 S Washington St, Diamond, MO built?

820 S Washington St, Diamond, MO was built in 1991, making it 35 years old. The building has 1 story.

What schools serve 820 S Washington St, Diamond, MO?

820 S Washington St, Diamond, MO is assigned to Diamond High School (high), rated F; Diamond Middle School (middle), rated C+; Diamond Elementary School (elementary), rated F. All sit in Diamond R-Iv School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 820 S Washington St, Diamond, MO compare to other homes in Diamond 64840?

Among the 1,033 homes in Diamond 64840, it is worth more than 10% of them ($121,036 against a typical $228,341), its price per square foot is higher than 56% of them ($161 against a typical $153), it is bigger than 4% of them (750 ft² against a typical 1,464 ft²), its lot is bigger than 72% of them (8.48 ac against a typical 2.65 ac) and it is newer than 54% of them (1991 against a typical 1985). Measured against all of Newton County, it is worth more than 13% 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 820 S Washington St, Diamond, MO?

The 2024 property tax bill for 820 S Washington St, Diamond, MO was $585. The county assessed it at $10,980.

More homes on S Washington St

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