Skip to content
Skip to content
TopHapOpen in map
Duplex (2 Units, Any Combination)Residential
Last sold for $79,800 on Oct 20, 2026

821 S 20TH ST

SAINT JOSEPH, MO 64507
0
Baths
1,252 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.
3,500 ft²
Lot SizeThe size of the land the home sits on, from county records.
1902
Year BuiltThe year the home was originally built, according to county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$79,800 · Oct 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$270 (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.$3,760 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$670
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,090
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,540
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$19,780

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.45
77
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
57
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.18 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyBUCHANAN
Lot (acres)The size of the land the home sits on, from county records.0.08
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.

H
Central High SchoolC+
High · Grades 9–12 · 0.5 mi
E
Carden Park Elementary SchoolC-
Elementary · Grades KG–6 · 0.8 mi
M
Lafayette Middle School
Middle · Grades 7–8 · 3.1 mi

District: St. Joseph School District

Neighborhood · ZIP 64507These 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.93
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 100.22

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.14,833
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.257 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,170
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,643
Average tempThe average temperature here across a full year.53°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

Do you own this home?
Claim this home

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

821 S 20th 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.

  • Has a smaller lot than 96% of homes in Saint Joseph 64507
  • Older than 92% of homes in Saint Joseph 64507

How it measures up in Saint Joseph 64507

The dot is this home. The mark in the middle is the typical home in Saint Joseph 64507.

Living area1,252 ft²
SmallerTypical 1,120 ft²Bigger

Bigger than 63% of homes nearby

Lot size3,500 ft²
SmallerTypical 0.17 acBigger

Bigger than 4% of homes nearby

Year built1902
OlderTypical 1932Newer

Newer than 8% of homes nearby

How 821 S 20th St ranks against every home in each area.
MeasureThis homeSaint Joseph 64507Buchanan County
Living areabigger than1,252 ft²63% of homes55% of homes
Lot sizebigger than3,500 ft²4% of homes4% of homes
Year builtnewer than19028% of homes8% of homes

About 821 S 20th St

When did 821 S 20th St, Saint Joseph, MO last sell?

821 S 20th St, Saint Joseph, MO last sold on Oct 20, 2026 for $79,800, according to the county's recorded deed.

How big is 821 S 20th St, Saint Joseph, MO?

821 S 20th St, Saint Joseph, MO has 1,252 square feet of living space and a 0.08-acre lot.

When was 821 S 20th St, Saint Joseph, MO built?

821 S 20th St, Saint Joseph, MO was built in 1902, making it 124 years old. It is a duplex single home.

What schools serve 821 S 20th St, Saint Joseph, MO?

821 S 20th St, Saint Joseph, MO is assigned to Central High School (high), rated C+; Carden Park Elementary School (elementary), rated C-; Lafayette Middle School (middle). All sit in St. Joseph School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 S 20th St, Saint Joseph, MO compare to other homes in Saint Joseph 64507?

Among the 5,088 homes in Saint Joseph 64507, it is bigger than 63% of them (1,252 ft² against a typical 1,120 ft²), its lot is bigger than 4% of them (3,500 ft² against a typical 0.17 ac) and it is newer than 8% of them (1902 against a typical 1932). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 821 S 20th St, Saint Joseph, MO?

The 2025 property tax bill for 821 S 20th St, Saint Joseph, MO was $270. The county assessed it at $3,760.

More homes on S 20th St

Closest homes

More homes in Saint Joseph 64507

Assigned schools

Explore the area

See this home in context

Open 821 S 20th St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map