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Single Family ResidenceResidential
$515,016$233 / 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 64How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

148 UNION ST

ROCKPORT, ME 04856
3
Beds
3
Baths
2,212 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.
1.05 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
2
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

$515K
$328K low$702K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$196,266
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$157,013
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.64%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$318,750
1ST NATIONAL BANK · R · recorded Nov 13, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,007 (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.$586,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$196,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$390,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$556,400

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.Colonial
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.2012
Lot (acres)The size of the land the home sits on, from county records.1.05
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(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.

M
Camden-Rockport Middle SchoolA
Middle · Grades 5–8 · 1.2 mi
E
Camden-Rockport Elementary SchoolA
Elementary · Grades PK–4 · 1.3 mi
H
Camden Hills Regional High SchoolA
High · Grades 9–12 · 1.5 mi

District: School Administrative District 28

Neighborhood · ZIP 04856These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.3,784
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.158 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,890
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,265
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

148 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 more than 65% of homes in Knox County
  • Costs less per square foot than 89% of homes in Rockport 04856
  • Bigger than 78% of homes in Knox County

What homes are worth in Rockport 04856

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

This home
$203K$2M

This home is worth more than 44% of homes in Rockport 04856.

How it measures up in Rockport 04856

The dot is this home. The mark in the middle is the typical home in Rockport 04856.

Estimated value$515,016
CheaperTypical $632,611Pricier

Pricier than 44% of homes nearby

Price per ft²$233
CheaperTypical $357Pricier

Pricier than 11% of homes nearby

Living area2,212 ft²
SmallerTypical 1,820 ft²Bigger

Bigger than 67% of homes nearby

Lot size1.05 ac
SmallerTypical 1.4 acBigger

Bigger than 39% of homes nearby

Year built1970
OlderTypical 1982Newer

Newer than 36% of homes nearby

How 148 Union St ranks against every home in each area.
MeasureThis homeRockport 04856Knox County
Estimated valuepricier than$515,01644% of homes65% of homes
Price per ft²pricier than$23311% of homes31% of homes
Living areabigger than2,212 ft²67% of homes78% of homes
Lot sizebigger than1.05 ac39% of homes47% of homes
Year builtnewer than197036% of homes45% of homes

About 148 Union St

How much is 148 Union St, Rockport, ME worth?

The TopHap Estimate for 148 Union St, Rockport, ME is $515,016 as of Jul 14, 2026. The likely range is $328,493 to $701,539. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 148 Union St, Rockport, ME last sell?

148 Union St, Rockport, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 148 Union St, Rockport, ME?

148 Union St, Rockport, ME has 3 bedrooms, 3 bathrooms, 2,212 square feet of living space and a 1.05-acre lot.

When was 148 Union St, Rockport, ME built?

148 Union St, Rockport, ME was built in 1970, making it 56 years old. It is a colonial home. The building has 2 stories.

What schools serve 148 Union St, Rockport, ME?

148 Union St, Rockport, ME is assigned to Camden-Rockport Middle School (middle), rated A; Camden-Rockport Elementary School (elementary), rated A; Camden Hills Regional High School (high), rated A. All sit in School Administrative District 28. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 148 Union St, Rockport, ME compare to other homes in Rockport 04856?

Among the 5,514 homes in Rockport 04856, it is worth more than 44% of them ($515,016 against a typical $632,611), its price per square foot is higher than 11% of them ($233 against a typical $357), it is bigger than 67% of them (2,212 ft² against a typical 1,820 ft²), its lot is bigger than 39% of them (1.05 ac against a typical 1.4 ac) and it is newer than 36% of them (1970 against a typical 1982). Measured against all of Knox County, it is worth more than 65% 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 148 Union St, Rockport, ME?

The 2025 property tax bill for 148 Union St, Rockport, ME was $8,007. The county assessed it at $586,600.

More homes on Union St

Closest homes

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Assigned schools

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