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Single Family ResidenceResidential
$479,092$485 / 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 84How 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 $440,000 on Jul 15, 2024

337 COMMON RD

UNION, ME 04862
3
Beds
1.5
Baths
988 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.
1.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1850
Year BuiltThe year the home was originally built, according to county records.
3
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

$479K
$405K low$553K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$440,000 · Jul 15, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,788 (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.$435,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$73,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$361,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$293,800

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
CountyKNOX
Lot (acres)The size of the land the home sits on, from county records.1.25
ConstructionThe main material the home's frame and walls are built from.Brick
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

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.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Union Elementary SchoolB-
Elementary · Grades PK–6 · 1.1 mi
H
Medomak Valley High SchoolC
High · Grades 9–12 · 6.3 mi
M
Medomak Middle SchoolD+
Middle · Grades 7–8 · 6.4 mi

District: School Administrative District 40

Neighborhood · ZIP 04862These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.63

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.3,792
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.56 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,641
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,525
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

337 Common 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 70% of homes in Union 04862
  • Costs more per square foot than 78% of homes in Knox County
  • Smaller than 82% of homes in Knox County
  • Has a smaller lot than 79% of homes in Union 04862
  • Older than 93% of homes in Knox County

What homes are worth in Union 04862

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

This home
$106K$892K

This home is worth more than 70% of homes in Union 04862.

How it measures up in Union 04862

The dot is this home. The mark in the middle is the typical home in Union 04862.

Estimated value$479,092
CheaperTypical $379,271Pricier

Pricier than 70% of homes nearby

Price per ft²$485
CheaperTypical $355Pricier

Pricier than 77% of homes nearby

Living area988 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 29% of homes nearby

Lot size1.25 ac
SmallerTypical 3.5 acBigger

Bigger than 21% of homes nearby

Year built1850
OlderTypical 1985Newer

Newer than 12% of homes nearby

How 337 Common Rd ranks against every home in each area.
MeasureThis homeUnion 04862Knox County
Estimated valuepricier than$479,09270% of homes54% of homes
Price per ft²pricier than$48577% of homes78% of homes
Living areabigger than988 ft²29% of homes18% of homes
Lot sizebigger than1.25 ac21% of homes52% of homes
Year builtnewer than185012% of homes7% of homes

About 337 Common Rd

How much is 337 Common Rd, Union, ME worth?

The TopHap Estimate for 337 Common Rd, Union, ME is $479,092 as of Oct 21, 2026. The likely range is $404,747 to $553,437. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 337 Common Rd, Union, ME last sell?

337 Common Rd, Union, ME last sold on Jul 15, 2024 for $440,000, according to the county's recorded deed.

How big is 337 Common Rd, Union, ME?

337 Common Rd, Union, ME has 3 bedrooms, 1.5 bathrooms, 988 square feet of living space and a 1.25-acre lot.

When was 337 Common Rd, Union, ME built?

337 Common Rd, Union, ME was built in 1850, making it 176 years old. It is a conventional home. The building has 3 stories.

What schools serve 337 Common Rd, Union, ME?

337 Common Rd, Union, ME is assigned to Union Elementary School (elementary), rated B-; Medomak Valley High School (high), rated C; Medomak Middle School (middle), rated D+. All sit in School Administrative District 40. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 337 Common Rd, Union, ME compare to other homes in Union 04862?

Among the 1,849 homes in Union 04862, it is worth more than 70% of them ($479,092 against a typical $379,271), its price per square foot is higher than 77% of them ($485 against a typical $355), it is bigger than 29% of them (988 ft² against a typical 1,232 ft²), its lot is bigger than 21% of them (1.25 ac against a typical 3.5 ac) and it is newer than 12% of them (1850 against a typical 1985). Measured against all of Knox County, it is worth more than 54% 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 337 Common Rd, Union, ME?

The 2025 property tax bill for 337 Common Rd, Union, ME was $5,788. The county assessed it at $435,200.

More homes on Common Rd

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Assigned schools

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