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Single Family ResidenceResidential
$362,789$310 / 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 95How 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 $173,900 on Mar 29, 2018

21 MIDDLE ST

SANFORD, ME 04073
3
Beds
1
Baths
1,169 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$363K
$345K low$381K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$173,900 · Mar 29, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,422 (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.$200,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$31,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$168,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$290,035

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.0.15
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Baseboard
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.

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

21 Middle 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 85% of homes in York County
  • Costs less per square foot than 78% of homes in York County
  • Has a smaller lot than 88% of homes in York County
  • Older than 84% 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
$228K$679K

This home is worth more than 42% 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$362,789
CheaperTypical $380,866Pricier

Pricier than 42% of homes nearby

Price per ft²$310
CheaperTypical $290Pricier

Pricier than 59% of homes nearby

Living area1,169 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.15 ac
SmallerTypical 0.34 acBigger

Bigger than 15% of homes nearby

Year built1930
OlderTypical 1973Newer

Newer than 28% of homes nearby

How 21 Middle St ranks against every home in each area.
MeasureThis homeSanford 04073York County
Estimated valuepricier than$362,78942% of homes15% of homes
Price per ft²pricier than$31059% of homes22% of homes
Living areabigger than1,169 ft²36% of homes36% of homes
Lot sizebigger than0.15 ac15% of homes12% of homes
Year builtnewer than193028% of homes16% of homes

About 21 Middle St

How much is 21 Middle St, Sanford, ME worth?

The TopHap Estimate for 21 Middle St, Sanford, ME is $362,789 as of Sep 24, 2026. The likely range is $344,512 to $381,066. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Middle St, Sanford, ME last sell?

21 Middle St, Sanford, ME last sold on Mar 29, 2018 for $173,900, according to the county's recorded deed.

How big is 21 Middle St, Sanford, ME?

21 Middle St, Sanford, ME has 3 bedrooms, 1 bathrooms, 1,169 square feet of living space and a 0.15-acre lot.

When was 21 Middle St, Sanford, ME built?

21 Middle St, Sanford, ME was built in 1930, making it 96 years old. It is a conventional home. The building has 2 stories.

How does 21 Middle St, Sanford, ME compare to other homes in Sanford 04073?

Among the 5,918 homes in Sanford 04073, it is worth more than 42% of them ($362,789 against a typical $380,866), its price per square foot is higher than 59% of them ($310 against a typical $290), it is bigger than 36% of them (1,169 ft² against a typical 1,344 ft²), its lot is bigger than 15% of them (0.15 ac against a typical 0.34 ac) and it is newer than 28% of them (1930 against a typical 1973). Measured against all of York County, it is worth more than 15% 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 Middle St, Sanford, ME?

The 2025 property tax bill for 21 Middle St, Sanford, ME was $3,422. The county assessed it at $200,100.

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