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Single Family ResidenceResidential
$731,082$635 / 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 98How 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

21 KING ST

ROCKPORT, MA 01966
3
Beds
1.5
Baths
1,152 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.
3,485 ft²
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$731K
$717K low$745K 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.$731,082
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$584,866

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,165 (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.$589,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$324,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$265,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$568,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$705,280

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
CountyESSEX
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.1993
Lot (acres)The size of the land the home sits on, from county records.0.08
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
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(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
Rockport Elementary SchoolC-
Elementary · Grades PK–5 · 0.8 mi
M
Rockport Middle High SchoolB
Middle · Grades 6–12 · 0.9 mi

District: Rockport School District

Neighborhood · ZIP 01966These 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.164
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.94

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.79%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.7,145
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.833 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,805
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,609
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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

21 King 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 70% of homes in Rockport 01966
  • Costs more per square foot than 93% of homes in Essex County
  • Smaller than 84% of homes in Essex County
  • Has a smaller lot than 94% of homes in Essex County
  • Older than 68% of homes in Essex County

What homes are worth in Rockport 01966

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

This home
$377K$3.1M

This home is worth more than 30% of homes in Rockport 01966.

How it measures up in Rockport 01966

The dot is this home. The mark in the middle is the typical home in Rockport 01966.

Estimated value$731,082
CheaperTypical $882,166Pricier

Pricier than 30% of homes nearby

Price per ft²$635
CheaperTypical $587Pricier

Pricier than 60% of homes nearby

Living area1,152 ft²
SmallerTypical 1,594 ft²Bigger

Bigger than 25% of homes nearby

Lot size3,485 ft²
SmallerTypical 0.29 acBigger

Bigger than 10% of homes nearby

Year built1925
OlderTypical 1953Newer

Newer than 33% of homes nearby

How 21 King St ranks against every home in each area.
MeasureThis homeRockport 01966Essex County
Estimated valuepricier than$731,08230% of homes55% of homes
Price per ft²pricier than$63560% of homes93% of homes
Living areabigger than1,152 ft²25% of homes16% of homes
Lot sizebigger than3,485 ft²10% of homes6% of homes
Year builtnewer than192533% of homes32% of homes

About 21 King St

How much is 21 King St, Rockport, MA worth?

The TopHap Estimate for 21 King St, Rockport, MA is $731,082 as of Jul 14, 2026. The likely range is $717,132 to $745,032. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 King St, Rockport, MA last sell?

21 King St, Rockport, MA last sold on Dec 14, 2012, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 King St, Rockport, MA?

21 King St, Rockport, MA has 3 bedrooms, 1.5 bathrooms, 1,152 square feet of living space and a 0.08-acre lot.

When was 21 King St, Rockport, MA built?

21 King St, Rockport, MA was built in 1925, making it 101 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 King St, Rockport, MA?

21 King St, Rockport, MA is assigned to Rockport Elementary School (elementary), rated C-; Rockport Middle High School (middle), rated B. All sit in Rockport School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 King St, Rockport, MA compare to other homes in Rockport 01966?

Among the 3,498 homes in Rockport 01966, it is worth more than 30% of them ($731,082 against a typical $882,166), its price per square foot is higher than 60% of them ($635 against a typical $587), it is bigger than 25% of them (1,152 ft² against a typical 1,594 ft²), its lot is bigger than 10% of them (3,485 ft² against a typical 0.29 ac) and it is newer than 33% of them (1925 against a typical 1953). Measured against all of Essex County, it is worth more than 55% 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 21 King St, Rockport, MA?

The 2025 property tax bill for 21 King St, Rockport, MA was $5,165. The county assessed it at $589,600.

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