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Single Family ResidenceResidential
$574,898$364 / 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 89How 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

12 KNOWLTON SQ

GLOUCESTER, MA 01930
3
Beds
1.5
Baths
1,580 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1922
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$575K
$510K low$640K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,201 (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.$535,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$384,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$570,665

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
Lot (acres)The size of the land the home sits on, from county records.0.12
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(12)

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.

H
Gloucester High SchoolC-
High · Grades 9–12 · 0.5 mi
M
O'Maley Innovation Middle SchoolC
Middle · Grades 6–8 · 0.7 mi
E
Beeman Memorial Elementary SchoolC-
Elementary · Grades KG–5 · 1.2 mi

District: Gloucester School District

Neighborhood · ZIP 01930These 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.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.90

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.30,229
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.958 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,930
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$114,096
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%

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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

12 Knowlton Sq 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 72% of homes in Gloucester 01930
  • Costs less per square foot than 89% of homes in Gloucester 01930
  • Has a smaller lot than 85% of homes in Essex County
  • Older than 69% of homes in Essex County

What homes are worth in Gloucester 01930

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

This home
$304K$3.5M

This home is worth more than 28% of homes in Gloucester 01930.

How it measures up in Gloucester 01930

The dot is this home. The mark in the middle is the typical home in Gloucester 01930.

Estimated value$574,898
CheaperTypical $729,304Pricier

Pricier than 28% of homes nearby

Price per ft²$364
CheaperTypical $495Pricier

Pricier than 11% of homes nearby

Living area1,580 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.11 ac
SmallerTypical 0.24 acBigger

Bigger than 18% of homes nearby

Year built1922
OlderTypical 1940Newer

Newer than 45% of homes nearby

How 12 Knowlton Sq ranks against every home in each area.
MeasureThis homeGloucester 01930Essex County
Estimated valuepricier than$574,89828% of homes29% of homes
Price per ft²pricier than$36411% of homes33% of homes
Living areabigger than1,580 ft²48% of homes38% of homes
Lot sizebigger than0.11 ac18% of homes15% of homes
Year builtnewer than192245% of homes31% of homes

About 12 Knowlton Sq

How much is 12 Knowlton Sq, Gloucester, MA worth?

The TopHap Estimate for 12 Knowlton Sq, Gloucester, MA is $574,898 as of Jul 14, 2026. The likely range is $509,791 to $640,005. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Knowlton Sq, Gloucester, MA last sell?

12 Knowlton Sq, Gloucester, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 12 Knowlton Sq, Gloucester, MA?

12 Knowlton Sq, Gloucester, MA has 3 bedrooms, 1.5 bathrooms, 1,580 square feet of living space and a 0.12-acre lot.

When was 12 Knowlton Sq, Gloucester, MA built?

12 Knowlton Sq, Gloucester, MA was built in 1922, making it 104 years old. It is a colonial home. The building has 2 stories.

What schools serve 12 Knowlton Sq, Gloucester, MA?

12 Knowlton Sq, Gloucester, MA is assigned to Gloucester High School (high), rated C-; O'Maley Innovation Middle School (middle), rated C; Beeman Memorial Elementary School (elementary), rated C-. All sit in Gloucester School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Knowlton Sq, Gloucester, MA compare to other homes in Gloucester 01930?

Among the 11,008 homes in Gloucester 01930, it is worth more than 28% of them ($574,898 against a typical $729,304), its price per square foot is higher than 11% of them ($364 against a typical $495), it is bigger than 48% of them (1,580 ft² against a typical 1,632 ft²), its lot is bigger than 18% of them (0.11 ac against a typical 0.24 ac) and it is newer than 45% of them (1922 against a typical 1940). Measured against all of Essex County, it is worth more than 29% 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 12 Knowlton Sq, Gloucester, MA?

The 2025 property tax bill for 12 Knowlton Sq, Gloucester, MA was $5,201. The county assessed it at $535,100.

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