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Single Family ResidenceResidential
$394,013$261 / 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 91How 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
Last sold for $268,600 on Apr 9, 2021

18 RIVERVIEW ST

SANFORD, ME 04073
4
Beds
2
Baths
1,512 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$394K
$360K low$428K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$268,600 · Apr 9, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,974 (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.$290,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$49,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$241,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$348,840

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
CountyYORK
Lot (acres)The size of the land the home sits on, from county records.0.37
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Neighborhood · ZIP 04073These 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.116
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.97

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.93%
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.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.18,822
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.495 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,977
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,891
Average tempThe average temperature here across a full year.46°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.57%

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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 Riverview 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 76% of homes in York County
  • Costs less per square foot than 87% of homes in York County
  • Has a smaller lot than 68% of homes in York County
  • Older than 86% of homes in York County

What homes are worth in Sanford 04073

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

This home
$227K$697K

This home is worth more than 58% of homes in Sanford 04073.

How it measures up in Sanford 04073

The dot is this home. The mark in the middle is the typical home in Sanford 04073.

Estimated value$394,013
CheaperTypical $376,923Pricier

Pricier than 58% of homes nearby

Price per ft²$261
CheaperTypical $288Pricier

Pricier than 36% of homes nearby

Living area1,512 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.37 ac
SmallerTypical 0.34 acBigger

Bigger than 53% of homes nearby

Year built1920
OlderTypical 1973Newer

Newer than 22% of homes nearby

How 18 Riverview St ranks against every home in each area.
MeasureThis homeSanford 04073York County
Estimated valuepricier than$394,01358% of homes24% of homes
Price per ft²pricier than$26136% of homes13% of homes
Living areabigger than1,512 ft²63% of homes56% of homes
Lot sizebigger than0.37 ac53% of homes32% of homes
Year builtnewer than192022% of homes14% of homes

About 18 Riverview St

How much is 18 Riverview St, Sanford, ME worth?

The TopHap Estimate for 18 Riverview St, Sanford, ME is $394,013 as of Aug 30, 2026. The likely range is $359,842 to $428,184. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Riverview St, Sanford, ME last sell?

18 Riverview St, Sanford, ME last sold on Apr 9, 2021 for $268,600, according to the county's recorded deed.

How big is 18 Riverview St, Sanford, ME?

18 Riverview St, Sanford, ME has 4 bedrooms, 2 bathrooms, 1,512 square feet of living space and a 0.37-acre lot.

When was 18 Riverview St, Sanford, ME built?

18 Riverview St, Sanford, ME was built in 1920, making it 106 years old. It is a conventional home. The building has 2 stories.

How does 18 Riverview St, Sanford, ME compare to other homes in Sanford 04073?

Among the 5,918 homes in Sanford 04073, it is worth more than 58% of them ($394,013 against a typical $376,923), its price per square foot is higher than 36% of them ($261 against a typical $288), it is bigger than 63% of them (1,512 ft² against a typical 1,344 ft²), its lot is bigger than 53% of them (0.37 ac against a typical 0.34 ac) and it is newer than 22% of them (1920 against a typical 1973). Measured against all of York County, it is worth more than 24% 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 Riverview St, Sanford, ME?

The 2025 property tax bill for 18 Riverview St, Sanford, ME was $4,974. The county assessed it at $290,900.

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