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Single Family ResidenceResidential
$332,401$385 / 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 77How 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

321 HILT LN

UNION, ME 04862
1
Beds
1
Baths
864 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.
0.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$332K
$256K low$409K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,550 (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.$492,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$285,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$207,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$391,100

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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
CountyKNOX
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2001
Lot (acres)The size of the land the home sits on, from county records.0.56
ConstructionThe main material the home's frame and walls are built from.Concrete
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
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
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(2)

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 SchoolC
Elementary · Grades PK–6 · 1.8 mi
H
Medomak Valley High SchoolC+
High · Grades 9–12 · 5.6 mi
M
Medomak Middle SchoolB-
Middle · Grades 7–8 · 5.8 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%

Owner Tools

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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

321 Hilt Ln 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.

  • Costs more per square foot than 74% of homes in Knox County
  • Smaller than 89% of homes in Knox County
  • Has a smaller lot than 93% of homes in Union 04862

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
$124K$851K

This home is worth more than 52% 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$332,401
CheaperTypical $326,505Pricier

Pricier than 52% of homes nearby

Price per ft²$385
CheaperTypical $297Pricier

Pricier than 73% of homes nearby

Living area864 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.56 ac
SmallerTypical 3.5 acBigger

Bigger than 7% of homes nearby

Year built1979
OlderTypical 1985Newer

Newer than 43% of homes nearby

How 321 Hilt Ln ranks against every home in each area.
MeasureThis homeUnion 04862Knox County
Estimated valuepricier than$332,40152% of homes39% of homes
Price per ft²pricier than$38573% of homes74% of homes
Living areabigger than864 ft²18% of homes11% of homes
Lot sizebigger than0.56 ac7% of homes30% of homes
Year builtnewer than197943% of homes54% of homes

About 321 Hilt Ln

How much is 321 Hilt Ln, Union, ME worth?

The TopHap Estimate for 321 Hilt Ln, Union, ME is $332,401 as of Aug 30, 2026. The likely range is $255,554 to $409,248. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Hilt Ln, Union, ME last sell?

321 Hilt Ln, Union, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 321 Hilt Ln, Union, ME?

321 Hilt Ln, Union, ME has 1 bedrooms, 1 bathrooms, 864 square feet of living space and a 0.56-acre lot.

When was 321 Hilt Ln, Union, ME built?

321 Hilt Ln, Union, ME was built in 1979, making it 47 years old. It is a cape cod home. The building has 1 story.

What schools serve 321 Hilt Ln, Union, ME?

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

How does 321 Hilt Ln, Union, ME compare to other homes in Union 04862?

Among the 1,849 homes in Union 04862, it is worth more than 52% of them ($332,401 against a typical $326,505), its price per square foot is higher than 73% of them ($385 against a typical $297), it is bigger than 18% of them (864 ft² against a typical 1,232 ft²), its lot is bigger than 7% of them (0.56 ac against a typical 3.5 ac) and it is newer than 43% of them (1979 against a typical 1985). Measured against all of Knox County, it is worth more than 39% 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 321 Hilt Ln, Union, ME?

The 2025 property tax bill for 321 Hilt Ln, Union, ME was $6,550. The county assessed it at $492,500.

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