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Single Family ResidenceResidential
$225,875$119 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $110,000 on Jan 25, 2019

640 SALEM AVE

ROLLA, MO 65401
3
Beds
1
Baths
1,904 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.
0.3 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.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$226K
$209K low$243K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$110,000 · Jan 25, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,270 (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.$24,330 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,430
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$19,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$24,330
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$128,050

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.44
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
40
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
80
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
14
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 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 Residence
CountyPHELPS
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.1960
Lot (acres)The size of the land the home sits on, from county records.0.30
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Shed · 280 ft²

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

H
Rolla High SchoolC
High · Grades 9–12 · 0.4 mi
E
Mark Twain Elementary SchoolA-
Elementary · Grades KG–3 · 0.4 mi
M
Rolla Junior High SchoolC+
Middle · Grades 7–8 · 0.7 mi

District: Rolla 31 School District

Neighborhood · ZIP 65401These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.86%
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.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.31,711
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.125 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,832
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,332
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

640 Salem Ave 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.

  • Costs less per square foot than 86% of homes in Rolla 65401
  • Bigger than 72% of homes in Phelps County
  • Has a smaller lot than 67% of homes in Phelps County
  • Older than 96% of homes in Rolla 65401

What homes are worth in Rolla 65401

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

This home
$96K$658K

This home is worth more than 43% of homes in Rolla 65401.

How it measures up in Rolla 65401

The dot is this home. The mark in the middle is the typical home in Rolla 65401.

Estimated value$225,875
CheaperTypical $246,290Pricier

Pricier than 43% of homes nearby

Price per ft²$119
CheaperTypical $161Pricier

Pricier than 14% of homes nearby

Living area1,904 ft²
SmallerTypical 1,556 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.3 ac
SmallerTypical 0.6 acBigger

Bigger than 39% of homes nearby

Year built1930
OlderTypical 1981Newer

Newer than 4% of homes nearby

How 640 Salem Ave ranks against every home in each area.
MeasureThis homeRolla 65401Phelps County
Estimated valuepricier than$225,87543% of homes45% of homes
Price per ft²pricier than$11914% of homes16% of homes
Living areabigger than1,904 ft²70% of homes72% of homes
Lot sizebigger than0.3 ac39% of homes33% of homes
Year builtnewer than19304% of homes7% of homes

About 640 Salem Ave

How much is 640 Salem Ave, Rolla, MO worth?

The TopHap Estimate for 640 Salem Ave, Rolla, MO is $225,875 as of Aug 30, 2026. The likely range is $208,802 to $242,948. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Salem Ave, Rolla, MO last sell?

640 Salem Ave, Rolla, MO last sold on Jan 25, 2019 for $110,000, according to the county's recorded deed.

How big is 640 Salem Ave, Rolla, MO?

640 Salem Ave, Rolla, MO has 3 bedrooms, 1 bathrooms, 1,904 square feet of living space and a 0.30-acre lot.

When was 640 Salem Ave, Rolla, MO built?

640 Salem Ave, Rolla, MO was built in 1930, making it 96 years old. The building has 1 story.

What schools serve 640 Salem Ave, Rolla, MO?

640 Salem Ave, Rolla, MO is assigned to Rolla High School (high), rated C; Mark Twain Elementary School (elementary), rated A-; Rolla Junior High School (middle), rated C+. All sit in Rolla 31 School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Salem Ave, Rolla, MO compare to other homes in Rolla 65401?

Among the 10,025 homes in Rolla 65401, it is worth more than 43% of them ($225,875 against a typical $246,290), its price per square foot is higher than 14% of them ($119 against a typical $161), it is bigger than 70% of them (1,904 ft² against a typical 1,556 ft²), its lot is bigger than 39% of them (0.3 ac against a typical 0.6 ac) and it is newer than 4% of them (1930 against a typical 1981). Measured against all of Phelps County, it is worth more than 45% 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 640 Salem Ave, Rolla, MO?

The 2025 property tax bill for 640 Salem Ave, Rolla, MO was $1,270. The county assessed it at $24,330.

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