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Single Family ResidentialResidential
$171,810$178 / 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 96How 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

509 N MIDDLE ST

FARMINGTON, MO 63640
2
Beds
1
Baths
964 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
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.

Valuation

$172K
$165K low$179K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$14,570 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,760
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$11,810
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$13,670
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$76,640

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.23 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.1 percent flood zone

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
StyleThe architectural style of the home, such as ranch or colonial.A-Frame
CountySt. Francois
Lot (acres)The size of the land the home sits on, from county records.0.28
ConstructionThe main material the home's frame and walls are built from.Wood Frame
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
HeatingThe type of heating system in the home.Forced Air
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.Patio · 228 ft²Porch · 208 ft²

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

E
Washington-Franklin Elementary SchoolA-
Elementary · Grades 1–4 · 0.3 mi
M
Farmington Middle SchoolA-
Middle · Grades 7–8 · 0.7 mi
H
Farmington Sr. High SchoolB+
High · Grades 9–12 · 1.2 mi

District: Farmington R-Vii School District

Neighborhood · ZIP 63640These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.171

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.27,753
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.146 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,862
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,811
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

509 N Middle 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 86% of homes in Farmington 63640
  • Smaller than 89% of homes in Farmington 63640
  • Has a smaller lot than 74% of homes in Farmington 63640
  • Older than 79% of homes in Farmington 63640

What homes are worth in Farmington 63640

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

This home
$123K$629K

This home is worth more than 14% of homes in Farmington 63640.

How it measures up in Farmington 63640

The dot is this home. The mark in the middle is the typical home in Farmington 63640.

Estimated value$171,810
CheaperTypical $265,187Pricier

Pricier than 14% of homes nearby

Price per ft²$178
CheaperTypical $182Pricier

Pricier than 47% of homes nearby

Living area964 ft²
SmallerTypical 1,472 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.28 ac
SmallerTypical 0.59 acBigger

Bigger than 26% of homes nearby

Year built1955
OlderTypical 1985Newer

Newer than 21% of homes nearby

How 509 N Middle St ranks against every home in each area.
MeasureThis homeFarmington 63640St. Francois County
Estimated valuepricier than$171,81014% of homes41% of homes
Price per ft²pricier than$17847% of homes64% of homes
Living areabigger than964 ft²11% of homes20% of homes
Lot sizebigger than0.28 ac26% of homes34% of homes
Year builtnewer than195521% of homes27% of homes

About 509 N Middle St

How much is 509 N Middle St, Farmington, MO worth?

The TopHap Estimate for 509 N Middle St, Farmington, MO is $171,810 as of Sep 24, 2026. The likely range is $164,807 to $178,813. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 509 N Middle St, Farmington, MO?

509 N Middle St, Farmington, MO has 2 bedrooms, 1 bathrooms, 964 square feet of living space and a 0.28-acre lot.

When was 509 N Middle St, Farmington, MO built?

509 N Middle St, Farmington, MO was built in 1955, making it 71 years old. It is a a-frame home. The building has 1 story.

What schools serve 509 N Middle St, Farmington, MO?

509 N Middle St, Farmington, MO is assigned to Washington-Franklin Elementary School (elementary), rated A-; Farmington Middle School (middle), rated A-; Farmington Sr. High School (high), rated B+. All sit in Farmington R-Vii School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 N Middle St, Farmington, MO compare to other homes in Farmington 63640?

Among the 8,699 homes in Farmington 63640, it is worth more than 14% of them ($171,810 against a typical $265,187), its price per square foot is higher than 47% of them ($178 against a typical $182), it is bigger than 11% of them (964 ft² against a typical 1,472 ft²), its lot is bigger than 26% of them (0.28 ac against a typical 0.59 ac) and it is newer than 21% of them (1955 against a typical 1985). Measured against all of St. Francois County, it is worth more than 41% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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