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CondominiumResidential
$294,862$578 / 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 97How 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
Last sold for $118,000 on Oct 24, 2016

520 MAIN ST

DENNIS, MA 02638
Building report
2
Beds
1.5
Baths
510 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.
1990
Year BuiltThe year the home was originally built, according to county records.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$295K
$285K low$305K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$118,000 · Oct 24, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$823 (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.$190,100 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$190,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$199,880

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.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.62%
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.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyBARNSTABLE
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Ezra H. Baker Innovation SchoolB
Elementary · Grades PK–3 · 0.5 mi
H
Dennis Yarmouth Regional High SchoolC
High · Grades 9–12 · 1.8 mi
M
Mattacheese Middle SchoolB-
Middle · Grades 6–8 · 4.2 mi

District: Dennis-Yarmouth School District

Neighborhood · ZIP 02638These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.53%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.3,396
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.480 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,812
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,835
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

520 Main 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.

  • Among the least valuable homes in Dennis 02638
  • Costs more per square foot than 66% of homes in Barnstable County
  • Among the smallest homes in Dennis 02638
  • Newer than 78% of homes in Dennis 02638

What homes are worth in Dennis 02638

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

This home
$346K$3M

This home is worth less than almost all homes in Dennis 02638.

How it measures up in Dennis 02638

The dot is this home. The mark in the middle is the typical home in Dennis 02638.

Estimated value$294,862
CheaperTypical $947,619Pricier

Cheaper than almost all homes nearby

Price per ft²$578
CheaperTypical $580Pricier

Pricier than 49% of homes nearby

Living area510 ft²
SmallerTypical 1,664 ft²Bigger

Smaller than almost all homes nearby

Year built1990
OlderTypical 1975Newer

Newer than 78% of homes nearby

How 520 Main St ranks against every home in each area.
MeasureThis homeDennis 02638Barnstable County
Estimated valuepricier than$294,862almost no homes2% of homes
Price per ft²pricier than$57849% of homes66% of homes
Living areabigger than510 ft²almost no homes2% of homes
Year builtnewer than199078% of homes78% of homes

About 520 Main St

How much is 520 Main St, Dennis, MA worth?

The TopHap Estimate for 520 Main St, Dennis, MA is $294,862 as of Sep 24, 2026. The likely range is $284,570 to $305,154. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Main St, Dennis, MA last sell?

520 Main St, Dennis, MA last sold on Oct 24, 2016 for $118,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 520 Main St, Dennis, MA?

520 Main St, Dennis, MA has 2 bedrooms, 1.5 bathrooms and 510 square feet of living space.

When was 520 Main St, Dennis, MA built?

520 Main St, Dennis, MA was built in 1990, making it 36 years old.

What schools serve 520 Main St, Dennis, MA?

520 Main St, Dennis, MA is assigned to Ezra H. Baker Innovation School (elementary), rated B; Dennis Yarmouth Regional High School (high), rated C; Mattacheese Middle School (middle), rated B-. All sit in Dennis-Yarmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 Main St, Dennis, MA compare to other homes in Dennis 02638?

Among the 3,456 homes in Dennis 02638, it is worth more than almost none of them ($294,862 against a typical $947,619), its price per square foot is higher than 49% of them ($578 against a typical $580), it is bigger than almost none of them (510 ft² against a typical 1,664 ft²) and it is newer than 78% of them (1990 against a typical 1975). Measured against all of Barnstable County, it is worth more than 2% 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 520 Main St, Dennis, MA?

The 2025 property tax bill for 520 Main St, Dennis, MA was $823. The county assessed it at $190,100.

More homes on Main St

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Assigned schools

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See this home in context

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