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Single Family ResidenceResidential
$1,251,500$216 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $674,915 on Nov 26, 2012

121 TRAPP ROCK LN

MARS, PA 16046
3
Beds
3.5
Baths
5,806 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.3M
$1.1M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$674,915 · Nov 26, 2012
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$561,568
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$449,254
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.55%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$539,932
BANK OF AMERICA · recorded Nov 26, 2012
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$150,000
BANK OF AMERICA NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,877 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$59,810 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,450
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$55,360
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$59,810

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
37
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
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.7 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
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyBUTLER
Lot (acres)The size of the land the home sits on, from county records.0.55
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

E
Mars Area Primary Center
Elementary · Grades KG–1 · 0.6 mi
M
Mars Area Middle SchoolB+
Middle · Grades 7–8 · 0.9 mi
H
Mars Area High SchoolA
High · Grades 9–12 · 0.9 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

121 Trapp Rock Ln 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.

  • Among the most valuable homes in Butler County
  • Costs less per square foot than 65% of homes in Mars 16046
  • Among the largest homes in Butler County
  • Has a bigger lot than 71% of homes in Mars 16046
  • Newer than 85% of homes in Butler County

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
$158K$1.5M

This home is worth more than 95% 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$1,251,500
CheaperTypical $533,346Pricier

Pricier than 95% of homes nearby

Price per ft²$216
CheaperTypical $231Pricier

Pricier than 35% of homes nearby

Living area5,806 ft²
SmallerTypical 2,423 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.55 ac
SmallerTypical 0.29 acBigger

Bigger than 71% of homes nearby

Year built2012
OlderTypical 2005Newer

Newer than 67% of homes nearby

How 121 Trapp Rock Ln ranks against every home in each area.
MeasureThis homeMars 16046Butler County
Estimated valuepricier than$1,251,50095% of homesalmost all homes
Price per ft²pricier than$21635% of homes63% of homes
Living areabigger than5,806 ft²98% of homesalmost all homes
Lot sizebigger than0.55 ac71% of homes53% of homes
Year builtnewer than201267% of homes85% of homes

About 121 Trapp Rock Ln

How much is 121 Trapp Rock Ln, Mars, PA worth?

The TopHap Estimate for 121 Trapp Rock Ln, Mars, PA is $1,251,500 as of Jul 14, 2026. The likely range is $1,143,521 to $1,359,479. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Trapp Rock Ln, Mars, PA last sell?

121 Trapp Rock Ln, Mars, PA last sold on Nov 26, 2012 for $674,915, according to the county's recorded deed.

How big is 121 Trapp Rock Ln, Mars, PA?

121 Trapp Rock Ln, Mars, PA has 3 bedrooms, 3.5 bathrooms, 5,806 square feet of living space and a 0.55-acre lot.

When was 121 Trapp Rock Ln, Mars, PA built?

121 Trapp Rock Ln, Mars, PA was built in 2012, making it 14 years old. It is a conventional home.

What schools serve 121 Trapp Rock Ln, Mars, PA?

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

How does 121 Trapp Rock Ln, Mars, PA compare to other homes in Mars 16046?

Among the 7,632 homes in Mars 16046, it is worth more than 95% of them ($1,251,500 against a typical $533,346), its price per square foot is higher than 35% of them ($216 against a typical $231), it is bigger than 98% of them (5,806 ft² against a typical 2,423 ft²), its lot is bigger than 71% of them (0.55 ac against a typical 0.29 ac) and it is newer than 67% of them (2012 against a typical 2005). Measured against all of Butler County, it is worth more than almost all 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 121 Trapp Rock Ln, Mars, PA?

The 2026 property tax bill for 121 Trapp Rock Ln, Mars, PA was $1,877. The county assessed it at $59,810.

Closest homes

More homes in Mars 16046

Assigned schools

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