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Single Family ResidenceResidential
$88,559$167 / 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 76How 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
Last sold for $104,238 on Apr 28, 2025

305 S WASHINGTON ST

DIAMOND, MO 64840
1
Beds
0
Baths
530 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$89K
$67K low$110K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$104,238 · Apr 28, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$305 (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.$4,540 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,830
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$23,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyNEWTON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1948
Lot (acres)The size of the land the home sits on, from county records.0.16
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

Transaction History(3)

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
Diamond Elementary SchoolF
Elementary · Grades PK–4 · 0.1 mi
M
Diamond Middle SchoolC+
Middle · Grades 5–8 · 0.2 mi
H
Diamond High SchoolF
High · Grades 9–12 · 0.3 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

305 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 97% of homes in Diamond 64840
  • Costs more per square foot than 65% of homes in Newton County
  • Among the smallest homes in Diamond 64840
  • Has a smaller lot than 97% of homes in Diamond 64840
  • Older than 86% 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$615K

This home is worth more than 3% 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$88,559
CheaperTypical $226,937Pricier

Pricier than 3% of homes nearby

Price per ft²$167
CheaperTypical $152Pricier

Pricier than 59% of homes nearby

Living area530 ft²
SmallerTypical 1,464 ft²Bigger

Smaller than almost all homes nearby

Lot size0.16 ac
SmallerTypical 2.6 acBigger

Bigger than 3% of homes nearby

Year built1930
OlderTypical 1985Newer

Newer than 15% of homes nearby

How 305 S Washington St ranks against every home in each area.
MeasureThis homeDiamond 64840Newton County
Estimated valuepricier than$88,5593% of homes4% of homes
Price per ft²pricier than$16759% of homes65% of homes
Living areabigger than530 ft²almost no homesalmost no homes
Lot sizebigger than0.16 ac3% of homes5% of homes
Year builtnewer than193015% of homes14% of homes

About 305 S Washington St

How much is 305 S Washington St, Diamond, MO worth?

The TopHap Estimate for 305 S Washington St, Diamond, MO is $88,559 as of Sep 24, 2026. The likely range is $67,185 to $109,933. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 305 S Washington St, Diamond, MO last sell?

305 S Washington St, Diamond, MO last sold on Apr 28, 2025 for $104,238, according to the county's recorded deed.

How big is 305 S Washington St, Diamond, MO?

305 S Washington St, Diamond, MO has 1 bedrooms, 530 square feet of living space and a 0.16-acre lot.

When was 305 S Washington St, Diamond, MO built?

305 S Washington St, Diamond, MO was built in 1930, making it 96 years old. The building has 1 story.

What schools serve 305 S Washington St, Diamond, MO?

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

How does 305 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 3% of them ($88,559 against a typical $226,937), its price per square foot is higher than 59% of them ($167 against a typical $152), it is bigger than almost none of them (530 ft² against a typical 1,464 ft²), its lot is bigger than 3% of them (0.16 ac against a typical 2.6 ac) and it is newer than 15% of them (1930 against a typical 1985). Measured against all of Newton County, it is worth more than 4% 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 305 S Washington St, Diamond, MO?

The 2024 property tax bill for 305 S Washington St, Diamond, MO was $305. The county assessed it at $4,540.

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