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Single Family ResidenceResidential
$521,338
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 83How 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 ROUTE 228

MARS, PA 16046
0
Baths
2.35 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$521K
$431K low$612K 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.$23,950 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,790
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,160
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$23,950

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
39
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
70
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
85
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
20
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.8 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.minimal

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
CountyBUTLER
Lot (acres)The size of the land the home sits on, from county records.2.35
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.

M
Mars Area Middle SchoolB
Middle · Grades 7–8 · 0.3 mi
H
Mars Area High SchoolA
High · Grades 9–12 · 0.6 mi
E
Mars Area Primary Center
Elementary · Grades KG–1 · 0.8 mi

District: Mars Area School District

Neighborhood · ZIP 16046These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
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.20,196
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.885 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$131,280
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$161,207
Average tempThe average temperature here across a full year.50°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.45%

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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 Route 228 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 more than 80% of homes in Butler County
  • Has a bigger lot than 94% of homes in Mars 16046

What homes are worth in Mars 16046

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

This home
$163K$1.6M

This home is worth more than 48% of homes in Mars 16046.

How it measures up in Mars 16046

The dot is this home. The mark in the middle is the typical home in Mars 16046.

Estimated value$521,338
CheaperTypical $532,667Pricier

Pricier than 48% of homes nearby

Lot size2.35 ac
SmallerTypical 0.29 acBigger

Bigger than 94% of homes nearby

How 421 Route 228 ranks against every home in each area.
MeasureThis homeMars 16046Butler County
Estimated valuepricier than$521,33848% of homes80% of homes
Lot sizebigger than2.35 ac94% of homes82% of homes

About 421 Route 228

How much is 421 Route 228, Mars, PA worth?

The TopHap Estimate for 421 Route 228, Mars, PA is $521,338 as of Sep 24, 2026. The likely range is $431,070 to $611,607. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Route 228, Mars, PA last sell?

421 Route 228, Mars, PA last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 421 Route 228, Mars, PA?

421 Route 228, Mars, PA is assigned to Mars Area Middle School (middle), rated B; Mars Area High School (high), rated A; Mars Area Primary Center (elementary). All sit in Mars Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Route 228, Mars, PA compare to other homes in Mars 16046?

Among the 7,631 homes in Mars 16046, it is worth more than 48% of them ($521,338 against a typical $532,667) and its lot is bigger than 94% of them (2.35 ac against a typical 0.29 ac). Measured against all of Butler County, it is worth more than 80% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Route 228

Closest homes

More homes in Mars 16046

Assigned schools

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See this home in context

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