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Single Family ResidenceResidential
$119,871$238 / 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

151 UNION ST

CALAIS, ME 04619
3
Beds
1.5
Baths
504 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$120K
$92K low$148K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,253 (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.$86,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$73,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$79,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$112,765

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.101 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.minimal

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.Conventional
CountyWASHINGTON
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.2007
Lot (acres)The size of the land the home sits on, from county records.0.19
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.Forced Air With Air Conditioning
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
Calais Elementary SchoolB-
Elementary · Grades PK–6 · 0.5 mi
H
Calais Middle/High SchoolC
High · Grades 9–12 · 2.7 mi

District: Calais

Neighborhood · ZIP 04619These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.3,077
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.79 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$47,104
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,789
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

151 Union 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 83% of homes in Washington County
  • Smaller than 92% of homes in Calais 04619
  • Has a smaller lot than 94% of homes in Washington County
  • Older than 73% of homes in Washington County

What homes are worth in Calais 04619

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

This home
$34K$585K

This home is worth more than 19% of homes in Calais 04619.

How it measures up in Calais 04619

The dot is this home. The mark in the middle is the typical home in Calais 04619.

Estimated value$119,871
CheaperTypical $188,460Pricier

Pricier than 19% of homes nearby

Price per ft²$238
CheaperTypical $230Pricier

Pricier than 53% of homes nearby

Living area504 ft²
SmallerTypical 838 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.19 ac
SmallerTypical 0.41 acBigger

Bigger than 11% of homes nearby

Year built1920
OlderTypical 1906Newer

Newer than 54% of homes nearby

How 151 Union St ranks against every home in each area.
MeasureThis homeCalais 04619Washington County
Estimated valuepricier than$119,87119% of homes17% of homes
Price per ft²pricier than$23853% of homes59% of homes
Living areabigger than504 ft²8% of homes8% of homes
Lot sizebigger than0.19 ac11% of homes6% of homes
Year builtnewer than192054% of homes27% of homes

About 151 Union St

How much is 151 Union St, Calais, ME worth?

The TopHap Estimate for 151 Union St, Calais, ME is $119,871 as of Sep 24, 2026. The likely range is $92,049 to $147,693. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 151 Union St, Calais, ME last sell?

151 Union St, Calais, ME last sold on Mar 21, 2013, according to the county's recorded deed.

How big is 151 Union St, Calais, ME?

151 Union St, Calais, ME has 3 bedrooms, 1.5 bathrooms, 504 square feet of living space and a 0.19-acre lot.

When was 151 Union St, Calais, ME built?

151 Union St, Calais, ME was built in 1920, making it 106 years old. It is a conventional home. The building has 2 stories.

What schools serve 151 Union St, Calais, ME?

151 Union St, Calais, ME is assigned to Calais Elementary School (elementary), rated B-; Calais Middle/High School (high), rated C. All sit in Calais. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 151 Union St, Calais, ME compare to other homes in Calais 04619?

Among the 1,324 homes in Calais 04619, it is worth more than 19% of them ($119,871 against a typical $188,460), its price per square foot is higher than 53% of them ($238 against a typical $230), it is bigger than 8% of them (504 ft² against a typical 838 ft²), its lot is bigger than 11% of them (0.19 ac against a typical 0.41 ac) and it is newer than 54% of them (1920 against a typical 1906). Measured against all of Washington County, it is worth more than 17% 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 151 Union St, Calais, ME?

The 2025 property tax bill for 151 Union St, Calais, ME was $1,253. The county assessed it at $86,400.

More homes on Union St

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Assigned schools

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