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Single Family ResidenceResidential
$147,850$132 / 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 82How 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 $18,000 on Sep 1, 1983

135 MOUNTAIN SPRING RD

TROUT RUN, PA 17771
3
Beds
1
Baths
1,120 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.
0.94 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$148K
$122K low$174K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$18,000 · Sep 1, 1983

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$224 (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.$87,270 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$66,270
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$87,270
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$87,270

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.49
80
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
90
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
9
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.22 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

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
CountyLYCOMING
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.1990
Lot (acres)The size of the land the home sits on, from county records.0.94
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.None
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
Hepburn-lycoming Primary SchoolB
Elementary · Grades KG–3 · 11.3 mi
H
Williamsport Area High SchoolC
High · Grades 9–12 · 15.6 mi
M
Williamsport Area Middle SchoolB
Middle · Grades 7–8 · 15.6 mi

District: Williamsport Area School District

Neighborhood · ZIP 17771These 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.162
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.74%
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.8.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.2,610
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,937
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,787
Average tempThe average temperature here across a full year.47°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.51%

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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

135 Mountain Spring Rd 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 80% of homes in Lycoming County
  • Smaller than 78% of homes in Lycoming County
  • Has a smaller lot than 79% of homes in Trout Run 17771
  • Newer than 66% of homes in Lycoming County

What homes are worth in Trout Run 17771

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

This home
$43K$490K

This home is worth more than 36% of homes in Trout Run 17771.

How it measures up in Trout Run 17771

The dot is this home. The mark in the middle is the typical home in Trout Run 17771.

Estimated value$147,850
CheaperTypical $177,853Pricier

Pricier than 36% of homes nearby

Price per ft²$132
CheaperTypical $126Pricier

Pricier than 54% of homes nearby

Living area1,120 ft²
SmallerTypical 1,308 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.94 ac
SmallerTypical 1.97 acBigger

Bigger than 21% of homes nearby

Year built1972
OlderTypical 1976Newer

Newer than 46% of homes nearby

How 135 Mountain Spring Rd ranks against every home in each area.
MeasureThis homeTrout Run 17771Lycoming County
Estimated valuepricier than$147,85036% of homes20% of homes
Price per ft²pricier than$13254% of homes38% of homes
Living areabigger than1,120 ft²34% of homes22% of homes
Lot sizebigger than0.94 ac21% of homes70% of homes
Year builtnewer than197246% of homes66% of homes

About 135 Mountain Spring Rd

How much is 135 Mountain Spring Rd, Trout Run, PA worth?

The TopHap Estimate for 135 Mountain Spring Rd, Trout Run, PA is $147,850 as of Aug 30, 2026. The likely range is $121,858 to $173,842. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 135 Mountain Spring Rd, Trout Run, PA last sell?

135 Mountain Spring Rd, Trout Run, PA last sold on Sep 1, 1983 for $18,000, according to the county's recorded deed.

How big is 135 Mountain Spring Rd, Trout Run, PA?

135 Mountain Spring Rd, Trout Run, PA has 3 bedrooms, 1 bathrooms, 1,120 square feet of living space and a 0.94-acre lot.

When was 135 Mountain Spring Rd, Trout Run, PA built?

135 Mountain Spring Rd, Trout Run, PA was built in 1972, making it 54 years old. The building has 1 story.

What schools serve 135 Mountain Spring Rd, Trout Run, PA?

135 Mountain Spring Rd, Trout Run, PA is assigned to Hepburn-lycoming Primary School (elementary), rated B; Williamsport Area High School (high), rated C; Williamsport Area Middle School (middle), rated B. All sit in Williamsport Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 135 Mountain Spring Rd, Trout Run, PA compare to other homes in Trout Run 17771?

Among the 1,182 homes in Trout Run 17771, it is worth more than 36% of them ($147,850 against a typical $177,853), its price per square foot is higher than 54% of them ($132 against a typical $126), it is bigger than 34% of them (1,120 ft² against a typical 1,308 ft²), its lot is bigger than 21% of them (0.94 ac against a typical 1.97 ac) and it is newer than 46% of them (1972 against a typical 1976). Measured against all of Lycoming County, it is worth more than 20% 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 135 Mountain Spring Rd, Trout Run, PA?

The 2026 property tax bill for 135 Mountain Spring Rd, Trout Run, PA was $224. The county assessed it at $87,270.

More homes on Mountain Spring Rd

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More homes in Trout Run 17771

Assigned schools

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