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Single Family ResidentialResidential
$500,177$322 / 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 Sep 24, 2026

18 SEA ST

SAINT GEORGE, ME 04860
3
Beds
2.5
Baths
1,554 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.
0.53 ac
Lot SizeThe size of the land the home sits on, from county records.
1870
Year BuiltThe year the home was originally built, according to county records.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$500K
$383K low$618K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,197 (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.$326,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$109,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$216,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
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.1997
Lot (acres)The size of the land the home sits on, from county records.0.53
HeatingThe type of heating system in the home.Heat Pump
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
St. George SchoolB-
Elementary · Grades KG–8 · 0.3 mi
H
Oceanside High SchoolD
High · Grades 9–12 · 11.3 mi

District: St. George Public Schools

Neighborhood · ZIP 04860These 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.138
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.55

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.60%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
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.0.7%
PopulationHow many people live in this area.1,944
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.48 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,997
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$119,757
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

18 Sea 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.

  • Costs less per square foot than 78% of homes in Tenants Harbor 04860
  • Bigger than 69% of homes in Tenants Harbor 04860
  • Has a smaller lot than 82% of homes in Tenants Harbor 04860
  • Older than 94% of homes in Tenants Harbor 04860

What homes are worth in Tenants Harbor 04860

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

This home
$255K$1.6M

This home is worth more than 43% of homes in Tenants Harbor 04860.

How it measures up in Tenants Harbor 04860

The dot is this home. The mark in the middle is the typical home in Tenants Harbor 04860.

Estimated value$500,177
CheaperTypical $548,205Pricier

Pricier than 43% of homes nearby

Price per ft²$322
CheaperTypical $466Pricier

Pricier than 22% of homes nearby

Living area1,554 ft²
SmallerTypical 1,240 ft²Bigger

Bigger than 69% of homes nearby

Lot size0.53 ac
SmallerTypical 1.41 acBigger

Bigger than 18% of homes nearby

Year built1870
OlderTypical 1974Newer

Newer than 6% of homes nearby

How 18 Sea St ranks against every home in each area.
MeasureThis homeTenants Harbor 04860Knox County
Estimated valuepricier than$500,17743% of homes59% of homes
Price per ft²pricier than$32222% of homes47% of homes
Living areabigger than1,554 ft²69% of homes53% of homes
Lot sizebigger than0.53 ac18% of homes29% of homes
Year builtnewer than18706% of homes10% of homes

About 18 Sea St

How much is 18 Sea St, Saint George, ME worth?

The TopHap Estimate for 18 Sea St, Saint George, ME is $500,177 as of Sep 24, 2026. The likely range is $382,707 to $617,647. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Sea St, Saint George, ME last sell?

18 Sea St, Saint George, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 18 Sea St, Saint George, ME?

18 Sea St, Saint George, ME has 3 bedrooms, 2.5 bathrooms, 1,554 square feet of living space and a 0.53-acre lot.

When was 18 Sea St, Saint George, ME built?

18 Sea St, Saint George, ME was built in 1870, making it 156 years old.

What schools serve 18 Sea St, Saint George, ME?

18 Sea St, Saint George, ME is assigned to St. George School (elementary), rated B-; Oceanside High School (high), rated D. All sit in St. George Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Sea St, Saint George, ME compare to other homes in Tenants Harbor 04860?

Among the 1,717 homes in Tenants Harbor 04860, it is worth more than 43% of them ($500,177 against a typical $548,205), its price per square foot is higher than 22% of them ($322 against a typical $466), it is bigger than 69% of them (1,554 ft² against a typical 1,240 ft²), its lot is bigger than 18% of them (0.53 ac against a typical 1.41 ac) and it is newer than 6% of them (1870 against a typical 1974). Measured against all of Knox County, it is worth more than 59% 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 Sea St, Saint George, ME?

The 2025 property tax bill for 18 Sea St, Saint George, ME was $4,197. The county assessed it at $326,600.

More homes on Sea St

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Assigned schools

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