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Single Family ResidenceResidential
$401,329$330 / 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 77How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

21 N RIVERSIDE DR

WATERVILLE, ME 04901
3
Beds
2.5
Baths
1,216 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
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

$401K
$308K low$494K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,223 (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.$248,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$35,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$212,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$208,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$300,105

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.9 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.Raised Ranch
CountyKENNEBEC
Lot (acres)The size of the land the home sits on, from county records.0.24
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Waterville Senior High SchoolD+
High · Grades 9–12 · 0.4 mi
E
George J Mitchell SchoolD
Elementary · Grades PK–3 · 0.9 mi
M
Waterville Junior High SchoolC
Middle · Grades 6–8 · 2.1 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

21 N Riverside Dr 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 85% of homes in Waterville 04901
  • Costs more per square foot than 96% of homes in Waterville 04901
  • Smaller than 65% of homes in Waterville 04901
  • Has a smaller lot than 84% of homes in Kennebec County
  • Newer than 70% of homes in Waterville 04901

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
$89K$560K

This home is worth more than 85% 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$401,329
CheaperTypical $269,757Pricier

Pricier than 85% of homes nearby

Price per ft²$330
CheaperTypical $205Pricier

Pricier than 96% of homes nearby

Living area1,216 ft²
SmallerTypical 1,423 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.24 ac
SmallerTypical 0.31 acBigger

Bigger than 41% of homes nearby

Year built1975
OlderTypical 1957Newer

Newer than 70% of homes nearby

How 21 N Riverside Dr ranks against every home in each area.
MeasureThis homeWaterville 04901Kennebec County
Estimated valuepricier than$401,32985% of homes69% of homes
Price per ft²pricier than$33096% of homes73% of homes
Living areabigger than1,216 ft²35% of homes42% of homes
Lot sizebigger than0.24 ac41% of homes16% of homes
Year builtnewer than197570% of homes58% of homes

About 21 N Riverside Dr

How much is 21 N Riverside Dr, Waterville, ME worth?

The TopHap Estimate for 21 N Riverside Dr, Waterville, ME is $401,329 as of Oct 21, 2026. The likely range is $308,383 to $494,275. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 N Riverside Dr, Waterville, ME last sell?

21 N Riverside Dr, Waterville, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 N Riverside Dr, Waterville, ME?

21 N Riverside Dr, Waterville, ME has 3 bedrooms, 2.5 bathrooms, 1,216 square feet of living space and a 0.24-acre lot.

When was 21 N Riverside Dr, Waterville, ME built?

21 N Riverside Dr, Waterville, ME was built in 1975, making it 51 years old. It is a raised ranch home. The building has 1 story.

What schools serve 21 N Riverside Dr, Waterville, ME?

21 N Riverside Dr, Waterville, ME is assigned to Waterville Senior High School (high), rated D+; George J Mitchell School (elementary), rated D; 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 21 N Riverside Dr, Waterville, ME compare to other homes in Waterville 04901?

Among the 8,740 homes in Waterville 04901, it is worth more than 85% of them ($401,329 against a typical $269,757), its price per square foot is higher than 96% of them ($330 against a typical $205), it is bigger than 35% of them (1,216 ft² against a typical 1,423 ft²), its lot is bigger than 41% of them (0.24 ac against a typical 0.31 ac) and it is newer than 70% of them (1975 against a typical 1957). Measured against all of Kennebec County, it is worth more than 69% 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 21 N Riverside Dr, Waterville, ME?

The 2025 property tax bill for 21 N Riverside Dr, Waterville, ME was $4,223. The county assessed it at $248,400.

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