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Single Family ResidenceResidential
$218,071$203 / 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

18 PROSPECT ST

WATERVILLE, ME 04901
4
Beds
1.5
Baths
1,075 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$218K
$187K low$249K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,420 (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.$201,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$29,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$171,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$157,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$226,385

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.Cape Cod
CountyKENNEBEC
Lot (acres)The size of the land the home sits on, from county records.0.25
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.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
George J Mitchell SchoolD+
Elementary · Grades PK–3 · 0.5 mi
H
Waterville Senior High SchoolC
High · Grades 9–12 · 0.6 mi
M
Waterville Junior High SchoolC+
Middle · Grades 6–8 · 2.4 mi

District: Waterville

Neighborhood · ZIP 04901These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.70
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.28,079
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.340 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,894
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,846
Average tempThe average temperature here across a full year.44°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.50%

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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

18 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.

  • Worth less than 81% of homes in Kennebec County
  • Costs less per square foot than 65% of homes in Kennebec County
  • Smaller than 77% of homes in Waterville 04901
  • Has a smaller lot than 83% of homes in Kennebec County
  • Older than 65% of homes in Kennebec County

What homes are worth in Waterville 04901

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

This home
$96K$631K

This home is worth more than 30% of homes in Waterville 04901.

How it measures up in Waterville 04901

The dot is this home. The mark in the middle is the typical home in Waterville 04901.

Estimated value$218,071
CheaperTypical $266,375Pricier

Pricier than 30% of homes nearby

Price per ft²$203
CheaperTypical $202Pricier

Pricier than 51% of homes nearby

Living area1,075 ft²
SmallerTypical 1,416 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.25 ac
SmallerTypical 0.31 acBigger

Bigger than 44% of homes nearby

Year built1951
OlderTypical 1958Newer

Newer than 43% of homes nearby

How 18 Prospect St ranks against every home in each area.
MeasureThis homeWaterville 04901Kennebec County
Estimated valuepricier than$218,07130% of homes19% of homes
Price per ft²pricier than$20351% of homes35% of homes
Living areabigger than1,075 ft²23% of homes31% of homes
Lot sizebigger than0.25 ac44% of homes17% of homes
Year builtnewer than195143% of homes35% of homes

About 18 Prospect St

How much is 18 Prospect St, Waterville, ME worth?

The TopHap Estimate for 18 Prospect St, Waterville, ME is $218,071 as of Aug 30, 2026. The likely range is $187,152 to $248,990. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Prospect St, Waterville, ME last sell?

18 Prospect St, Waterville, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 18 Prospect St, Waterville, ME?

18 Prospect St, Waterville, ME has 4 bedrooms, 1.5 bathrooms, 1,075 square feet of living space and a 0.25-acre lot.

When was 18 Prospect St, Waterville, ME built?

18 Prospect St, Waterville, ME was built in 1951, making it 75 years old. It is a cape cod home. The building has 1 story.

What schools serve 18 Prospect St, Waterville, ME?

18 Prospect St, Waterville, ME is assigned to George J Mitchell School (elementary), rated D+; Waterville Senior High School (high), rated C; Waterville Junior High School (middle), rated C+. All sit in Waterville. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Prospect St, Waterville, ME compare to other homes in Waterville 04901?

Among the 8,740 homes in Waterville 04901, it is worth more than 30% of them ($218,071 against a typical $266,375), its price per square foot is higher than 51% of them ($203 against a typical $202), it is bigger than 23% of them (1,075 ft² against a typical 1,416 ft²), its lot is bigger than 44% of them (0.25 ac against a typical 0.31 ac) and it is newer than 43% of them (1951 against a typical 1958). Measured against all of Kennebec County, it is worth more than 19% 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 18 Prospect St, Waterville, ME?

The 2025 property tax bill for 18 Prospect St, Waterville, ME was $3,420. The county assessed it at $201,200.

More homes on Prospect St

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Assigned schools

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