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Single Family ResidenceResidential
$277,537$205 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $260,000 on Jul 25, 2024

731 RIVER AVE

GARDINER, ME 04345
3
Beds
1.5
Baths
1,352 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1820
Year BuiltThe year the home was originally built, according to county records.
2
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

$278K
$247K low$308K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$260,000 · Jul 25, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,412 (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.$91,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$73,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$285,950

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
CountyKENNEBEC
Lot (acres)The size of the land the home sits on, from county records.0.32
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Laura E Richards School
Elementary · Grades PK–2 · 2.8 mi
M
Gardiner Regional Middle SchoolB-
Middle · Grades 6–8 · 3.3 mi
H
Gardiner Area High SchoolB-
High · Grades 9–12 · 3.6 mi

District: School Administrative District 11

Neighborhood · ZIP 04345These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.12,905
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.169 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,268
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,055
Average tempThe average temperature here across a full year.45°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

731 River Ave 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 73% of homes in Gardiner 04345
  • Costs less per square foot than 71% of homes in Kennebec County
  • Has a smaller lot than 78% of homes in Gardiner 04345
  • Older than 98% of homes in Kennebec County

What homes are worth in Gardiner 04345

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

This home
$163K$727K

This home is worth more than 27% of homes in Gardiner 04345.

How it measures up in Gardiner 04345

The dot is this home. The mark in the middle is the typical home in Gardiner 04345.

Estimated value$277,537
CheaperTypical $329,736Pricier

Pricier than 27% of homes nearby

Price per ft²$205
CheaperTypical $224Pricier

Pricier than 42% of homes nearby

Living area1,352 ft²
SmallerTypical 1,489 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.32 ac
SmallerTypical 1.1 acBigger

Bigger than 22% of homes nearby

Year built1820
OlderTypical 1948Newer

Newer than 3% of homes nearby

How 731 River Ave ranks against every home in each area.
MeasureThis homeGardiner 04345Kennebec County
Estimated valuepricier than$277,53727% of homes33% of homes
Price per ft²pricier than$20542% of homes29% of homes
Living areabigger than1,352 ft²41% of homes52% of homes
Lot sizebigger than0.32 ac22% of homes22% of homes
Year builtnewer than18203% of homes2% of homes

About 731 River Ave

How much is 731 River Ave, Gardiner, ME worth?

The TopHap Estimate for 731 River Ave, Gardiner, ME is $277,537 as of Sep 24, 2026. The likely range is $246,669 to $308,405. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 731 River Ave, Gardiner, ME last sell?

731 River Ave, Gardiner, ME last sold on Jul 25, 2024 for $260,000, according to the county's recorded deed.

How big is 731 River Ave, Gardiner, ME?

731 River Ave, Gardiner, ME has 3 bedrooms, 1.5 bathrooms, 1,352 square feet of living space and a 0.32-acre lot.

When was 731 River Ave, Gardiner, ME built?

731 River Ave, Gardiner, ME was built in 1820, making it 206 years old. It is a conventional home. The building has 2 stories.

What schools serve 731 River Ave, Gardiner, ME?

731 River Ave, Gardiner, ME is assigned to Laura E Richards School (elementary); Gardiner Regional Middle School (middle), rated B-; Gardiner Area High School (high), rated B-. All sit in School Administrative District 11. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 731 River Ave, Gardiner, ME compare to other homes in Gardiner 04345?

Among the 4,737 homes in Gardiner 04345, it is worth more than 27% of them ($277,537 against a typical $329,736), its price per square foot is higher than 42% of them ($205 against a typical $224), it is bigger than 41% of them (1,352 ft² against a typical 1,489 ft²), its lot is bigger than 22% of them (0.32 ac against a typical 1.1 ac) and it is newer than 3% of them (1820 against a typical 1948). Measured against all of Kennebec County, it is worth more than 33% 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 731 River Ave, Gardiner, ME?

The 2025 property tax bill for 731 River Ave, Gardiner, ME was $2,412. The county assessed it at $91,700.

More homes on River Ave

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More homes in Gardiner 04345

Assigned schools

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