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Single Family ResidenceResidential
$608,670$463 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

100 DENNISON ST

GLOUCESTER, MA 01930
3
Beds
1.5
Baths
1,314 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.
0.2 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.

Valuation

$609K
$580K low$637K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,886 (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.$502,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$233,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$269,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$762,090

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.46 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Colonial
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.0.20
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
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(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
O'Maley Innovation Middle SchoolC
Middle · Grades 6–8 · 1.6 mi
E
Plum Cove Elementary SchoolB
Elementary · Grades KG–5 · 1.6 mi
H
Gloucester High SchoolC-
High · Grades 9–12 · 2.7 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

100 Dennison 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 65% of homes in Gloucester 01930
  • Costs more per square foot than 69% of homes in Essex County
  • Smaller than 76% of homes in Essex County
  • Older than 70% 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
$290K$3.4M

This home is worth more than 35% 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$608,670
CheaperTypical $717,186Pricier

Pricier than 35% of homes nearby

Price per ft²$463
CheaperTypical $488Pricier

Pricier than 44% of homes nearby

Living area1,314 ft²
SmallerTypical 1,639 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.2 ac
SmallerTypical 0.24 acBigger

Bigger than 41% of homes nearby

Year built1920
OlderTypical 1940Newer

Newer than 44% of homes nearby

How 100 Dennison St ranks against every home in each area.
MeasureThis homeGloucester 01930Essex County
Estimated valuepricier than$608,67035% of homes36% of homes
Price per ft²pricier than$46344% of homes69% of homes
Living areabigger than1,314 ft²33% of homes24% of homes
Lot sizebigger than0.2 ac41% of homes38% of homes
Year builtnewer than192044% of homes30% of homes

About 100 Dennison St

How much is 100 Dennison St, Gloucester, MA worth?

The TopHap Estimate for 100 Dennison St, Gloucester, MA is $608,670 as of Aug 30, 2026. The likely range is $580,041 to $637,299. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Dennison St, Gloucester, MA last sell?

100 Dennison St, Gloucester, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 100 Dennison St, Gloucester, MA?

100 Dennison St, Gloucester, MA has 3 bedrooms, 1.5 bathrooms, 1,314 square feet of living space and a 0.20-acre lot.

When was 100 Dennison St, Gloucester, MA built?

100 Dennison St, Gloucester, MA was built in 1920, making it 106 years old. It is a colonial home. The building has 2 stories.

What schools serve 100 Dennison St, Gloucester, MA?

100 Dennison St, Gloucester, MA is assigned to O'Maley Innovation Middle School (middle), rated C; Plum Cove Elementary School (elementary), rated B; Gloucester High School (high), rated C-. All sit in Gloucester School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Dennison St, Gloucester, MA compare to other homes in Gloucester 01930?

Among the 11,007 homes in Gloucester 01930, it is worth more than 35% of them ($608,670 against a typical $717,186), its price per square foot is higher than 44% of them ($463 against a typical $488), it is bigger than 33% of them (1,314 ft² against a typical 1,639 ft²), its lot is bigger than 41% of them (0.2 ac against a typical 0.24 ac) and it is newer than 44% of them (1920 against a typical 1940). Measured against all of Essex County, it is worth more than 36% 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 100 Dennison St, Gloucester, MA?

The 2025 property tax bill for 100 Dennison St, Gloucester, MA was $4,886. The county assessed it at $502,700.

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