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Single Family ResidentialResidential
$82,051$101 / 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 90How 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

421 BOURNE ST

MEXICO, MO 65265
1
Baths
816 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.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$82K
$74K low$90K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$314 (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.$4,550 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,520
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,030
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$23,960

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
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
28
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
81
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
46
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyAUDRAIN
Lot (acres)The size of the land the home sits on, from county records.0.16
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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 · 16 ft²Porch · 72 ft²

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.

H
Mexico High SchoolC-
High · Grades 9–12 · 0.5 mi
E
McMillan Early Learning Center
Elementary · Grades PK–KG · 1.0 mi
M
Mexico Middle SchoolC-
Middle · Grades 6–8 · 1.6 mi

District: Mexico 59 School District

Neighborhood · ZIP 65265These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
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.0.9%
PopulationHow many people live in this area.14,824
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.61 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$53,307
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$67,625
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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

421 Bourne 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 92% of homes in Audrain County
  • Costs less per square foot than 74% of homes in Audrain County
  • Smaller than 92% of homes in Audrain County
  • Has a smaller lot than 91% of homes in Audrain County
  • Older than 72% of homes in Mexico 65265

What homes are worth in Mexico 65265

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

This home
$61K$672K

This home is worth more than 10% of homes in Mexico 65265.

How it measures up in Mexico 65265

The dot is this home. The mark in the middle is the typical home in Mexico 65265.

Estimated value$82,051
CheaperTypical $164,500Pricier

Pricier than 10% of homes nearby

Price per ft²$101
CheaperTypical $129Pricier

Pricier than 27% of homes nearby

Living area816 ft²
SmallerTypical 1,294 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.16 ac
SmallerTypical 0.26 acBigger

Bigger than 14% of homes nearby

Year built1940
OlderTypical 1960Newer

Newer than 28% of homes nearby

How 421 Bourne St ranks against every home in each area.
MeasureThis homeMexico 65265Audrain County
Estimated valuepricier than$82,05110% of homes8% of homes
Price per ft²pricier than$10127% of homes26% of homes
Living areabigger than816 ft²10% of homes8% of homes
Lot sizebigger than0.16 ac14% of homes9% of homes
Year builtnewer than194028% of homes29% of homes

About 421 Bourne St

How much is 421 Bourne St, Mexico, MO worth?

The TopHap Estimate for 421 Bourne St, Mexico, MO is $82,051 as of Sep 24, 2026. The likely range is $73,631 to $90,471. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Bourne St, Mexico, MO last sell?

421 Bourne St, Mexico, MO last sold on Jun 10, 2026, according to the county's recorded deed.

How big is 421 Bourne St, Mexico, MO?

421 Bourne St, Mexico, MO has 1 bathrooms, 816 square feet of living space and a 0.16-acre lot.

When was 421 Bourne St, Mexico, MO built?

421 Bourne St, Mexico, MO was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 421 Bourne St, Mexico, MO?

421 Bourne St, Mexico, MO is assigned to Mexico High School (high), rated C-; McMillan Early Learning Center (elementary); Mexico Middle School (middle), rated C-. All sit in Mexico 59 School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Bourne St, Mexico, MO compare to other homes in Mexico 65265?

Among the 6,012 homes in Mexico 65265, it is worth more than 10% of them ($82,051 against a typical $164,500), its price per square foot is higher than 27% of them ($101 against a typical $129), it is bigger than 10% of them (816 ft² against a typical 1,294 ft²), its lot is bigger than 14% of them (0.16 ac against a typical 0.26 ac) and it is newer than 28% of them (1940 against a typical 1960). Measured against all of Audrain County, it is worth more than 8% 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 421 Bourne St, Mexico, MO?

The 2025 property tax bill for 421 Bourne St, Mexico, MO was $314. The county assessed it at $4,550.

More homes on Bourne St

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