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Single Family ResidenceResidential
$586,465$166 / 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 83How 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
Last sold for $500,600 on Sep 28, 2020

173 RIVER RD

TOPSHAM, ME 04086
4
Beds
2.5
Baths
3,524 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.
5.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1880
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$586K
$488K low$685K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$500,600 · Sep 28, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,576 (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.$670,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$88,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$581,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$675,600

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.Colonial
CountySAGADAHOC
Lot (acres)The size of the land the home sits on, from county records.5.15
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(6)

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
Woodside Elementary SchoolA
Elementary · Grades KG–5 · 1.2 mi
H
Mt Ararat High SchoolC-
High · Grades 9–12 · 1.5 mi
M
Mt Ararat Middle SchoolB
Middle · Grades 6–8 · 1.6 mi

District: School Administrative District 75

Neighborhood · ZIP 04086These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.77

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.2%
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.9,915
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.276 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,148
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$97,185
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

173 River 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 more than 80% of homes in Topsham 04086
  • Among the lowest price per square foot in Topsham 04086
  • Bigger than 98% of homes in Topsham 04086
  • Has a bigger lot than 91% of homes in Topsham 04086
  • Older than 95% of homes in Topsham 04086

What homes are worth in Topsham 04086

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

This home
$266K$858K

This home is worth more than 80% of homes in Topsham 04086.

How it measures up in Topsham 04086

The dot is this home. The mark in the middle is the typical home in Topsham 04086.

Estimated value$586,465
CheaperTypical $460,293Pricier

Pricier than 80% of homes nearby

Price per ft²$166
CheaperTypical $326Pricier

Cheaper than almost all homes nearby

Living area3,524 ft²
SmallerTypical 1,450 ft²Bigger

Bigger than 98% of homes nearby

Lot size5.15 ac
SmallerTypical 0.85 acBigger

Bigger than 91% of homes nearby

Year built1880
OlderTypical 1985Newer

Newer than 5% of homes nearby

How 173 River Rd ranks against every home in each area.
MeasureThis homeTopsham 04086Sagadahoc County
Estimated valuepricier than$586,46580% of homes74% of homes
Price per ft²pricier than$166almost no homes4% of homes
Living areabigger than3,524 ft²98% of homes97% of homes
Lot sizebigger than5.15 ac91% of homes82% of homes
Year builtnewer than18805% of homes11% of homes

About 173 River Rd

How much is 173 River Rd, Topsham, ME worth?

The TopHap Estimate for 173 River Rd, Topsham, ME is $586,465 as of Oct 21, 2026. The likely range is $488,202 to $684,728. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 173 River Rd, Topsham, ME last sell?

173 River Rd, Topsham, ME last sold on Sep 28, 2020 for $500,600, according to the county's recorded deed.

How big is 173 River Rd, Topsham, ME?

173 River Rd, Topsham, ME has 4 bedrooms, 2.5 bathrooms, 3,524 square feet of living space and a 5.15-acre lot.

When was 173 River Rd, Topsham, ME built?

173 River Rd, Topsham, ME was built in 1880, making it 146 years old. It is a colonial home. The building has 2 stories.

What schools serve 173 River Rd, Topsham, ME?

173 River Rd, Topsham, ME is assigned to Woodside Elementary School (elementary), rated A; Mt Ararat High School (high), rated C-; Mt Ararat Middle School (middle), rated B. All sit in School Administrative District 75. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 173 River Rd, Topsham, ME compare to other homes in Topsham 04086?

Among the 3,966 homes in Topsham 04086, it is worth more than 80% of them ($586,465 against a typical $460,293), its price per square foot is higher than almost none of them ($166 against a typical $326), it is bigger than 98% of them (3,524 ft² against a typical 1,450 ft²), its lot is bigger than 91% of them (5.15 ac against a typical 0.85 ac) and it is newer than 5% of them (1880 against a typical 1985). Measured against all of Sagadahoc County, it is worth more than 74% 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 173 River Rd, Topsham, ME?

The 2025 property tax bill for 173 River Rd, Topsham, ME was $8,576. The county assessed it at $670,000.

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