Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$175,259$66 / 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 86How 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

20 PROSPECT ST

LOCK HAVEN, PA 17745
4
Beds
2 / 1
Baths
2,640 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1918
Year BuiltThe year the home was originally built, according to county records.
2
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

$175K
$151K low$199K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,160 (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.$121,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$102,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$121,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$121,000

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.23
94
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.
11
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.70 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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 Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyClinton
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.None

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
Dickey Elementary School
Elementary · Grades KG–5 · 0.2 mi
M
Central Mountain MIiddle SchoolB
Middle · Grades 6–8 · 2.9 mi
H
Central Mountain High SchoolC
High · Grades 9–12 · 3.2 mi

District: Keystone Central School District

Neighborhood · ZIP 17745These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.34

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
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.16,457
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.67 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,803
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$72,296
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.51%

Owner Tools

Do you own this home?
Claim this home

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

20 Prospect 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.

  • Costs less per square foot than 91% of homes in Lock Haven 17745
  • Bigger than 86% of homes in Lock Haven 17745
  • Has a smaller lot than 76% of homes in Clinton County
  • Older than 81% of homes in Lock Haven 17745

What homes are worth in Lock Haven 17745

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

This home
$63K$475K

This home is worth more than 41% of homes in Lock Haven 17745.

How it measures up in Lock Haven 17745

The dot is this home. The mark in the middle is the typical home in Lock Haven 17745.

Estimated value$175,259
CheaperTypical $192,468Pricier

Pricier than 41% of homes nearby

Price per ft²$66
CheaperTypical $121Pricier

Pricier than 9% of homes nearby

Living area2,640 ft²
SmallerTypical 1,524 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.22 ac
SmallerTypical 0.37 acBigger

Bigger than 33% of homes nearby

Year built1918
OlderTypical 1959Newer

Newer than 19% of homes nearby

How 20 Prospect St ranks against every home in each area.
MeasureThis homeLock Haven 17745Clinton County
Estimated valuepricier than$175,25941% of homes41% of homes
Price per ft²pricier than$669% of homes14% of homes
Living areabigger than2,640 ft²86% of homes86% of homes
Lot sizebigger than0.22 ac33% of homes24% of homes
Year builtnewer than191819% of homes20% of homes

About 20 Prospect St

How much is 20 Prospect St, Lock Haven, PA worth?

The TopHap Estimate for 20 Prospect St, Lock Haven, PA is $175,259 as of Aug 30, 2026. The likely range is $151,304 to $199,214. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 20 Prospect St, Lock Haven, PA?

20 Prospect St, Lock Haven, PA has 4 bedrooms, 2 bathrooms, 2,640 square feet of living space and a 0.22-acre lot.

When was 20 Prospect St, Lock Haven, PA built?

20 Prospect St, Lock Haven, PA was built in 1918, making it 108 years old. It is a conventional home. The building has 2 stories.

What schools serve 20 Prospect St, Lock Haven, PA?

20 Prospect St, Lock Haven, PA is assigned to Dickey Elementary School (elementary); Central Mountain MIiddle School (middle), rated B; Central Mountain High School (high), rated C. All sit in Keystone Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Prospect St, Lock Haven, PA compare to other homes in Lock Haven 17745?

Among the 6,245 homes in Lock Haven 17745, it is worth more than 41% of them ($175,259 against a typical $192,468), its price per square foot is higher than 9% of them ($66 against a typical $121), it is bigger than 86% of them (2,640 ft² against a typical 1,524 ft²), its lot is bigger than 33% of them (0.22 ac against a typical 0.37 ac) and it is newer than 19% of them (1918 against a typical 1959). Measured against all of Clinton 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.

What are the property taxes on 20 Prospect St, Lock Haven, PA?

The 2025 property tax bill for 20 Prospect St, Lock Haven, PA was $6,160. The county assessed it at $121,000.

More homes on Prospect St

Closest homes

More homes in Lock Haven 17745

Assigned schools

Explore the area

See this home in context

Open 20 Prospect St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map