Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$381,936$267 / 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 92How 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 $223,300 on Jul 30, 2020

21 HARDING ST

SANFORD, ME 04073
3
Beds
1
Baths
1,428 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.
0.62 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$382K
$350K low$414K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$223,300 · Jul 30, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,425 (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.$258,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$213,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$332,310

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.Cape Cod
CountyYORK
Lot (acres)The size of the land the home sits on, from county records.0.63
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(4)

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%

Owner Tools

Do you own this home?
Claim this home

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 Harding 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 79% of homes in York County
  • Costs less per square foot than 85% of homes in York County
  • Has a bigger lot than 66% of homes in Sanford 04073
  • Older than 79% 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$686K

This home is worth more than 52% 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$381,936
CheaperTypical $378,085Pricier

Pricier than 52% of homes nearby

Price per ft²$267
CheaperTypical $288Pricier

Pricier than 40% of homes nearby

Living area1,428 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.62 ac
SmallerTypical 0.34 acBigger

Bigger than 66% of homes nearby

Year built1947
OlderTypical 1973Newer

Newer than 34% of homes nearby

How 21 Harding St ranks against every home in each area.
MeasureThis homeSanford 04073York County
Estimated valuepricier than$381,93652% of homes21% of homes
Price per ft²pricier than$26740% of homes15% of homes
Living areabigger than1,428 ft²57% of homes51% of homes
Lot sizebigger than0.62 ac66% of homes45% of homes
Year builtnewer than194734% of homes21% of homes

About 21 Harding St

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

The TopHap Estimate for 21 Harding St, Sanford, ME is $381,936 as of Aug 30, 2026. The likely range is $349,694 to $414,178. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

21 Harding St, Sanford, ME last sold on Jul 30, 2020 for $223,300, according to the county's recorded deed.

How big is 21 Harding St, Sanford, ME?

21 Harding St, Sanford, ME has 3 bedrooms, 1 bathrooms, 1,428 square feet of living space and a 0.63-acre lot.

When was 21 Harding St, Sanford, ME built?

21 Harding St, Sanford, ME was built in 1947, making it 79 years old. It is a cape cod home. The building has 1 story.

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

Among the 5,918 homes in Sanford 04073, it is worth more than 52% of them ($381,936 against a typical $378,085), its price per square foot is higher than 40% of them ($267 against a typical $288), it is bigger than 57% of them (1,428 ft² against a typical 1,344 ft²), its lot is bigger than 66% of them (0.62 ac against a typical 0.34 ac) and it is newer than 34% of them (1947 against a typical 1973). Measured against all of York County, it is worth more than 21% 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 Harding St, Sanford, ME?

The 2025 property tax bill for 21 Harding St, Sanford, ME was $4,425. The county assessed it at $258,800.

More homes on Harding St

Closest homes

More homes in Sanford 04073

Explore the area

See this home in context

Open 21 Harding St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map