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CondominiumResidential
$354,548$302 / 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 90How 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

509 N MAIN ST # 511

RANDOLPH, MA 02368
Building report
3
Beds
2 / 1
Baths
1,174 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.
1850
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

$355K
$319K low$390K 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.$354,548
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$283,638

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,380 (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.$463,400 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$463,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$472,900

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyNorfolk
HeatingThe type of heating system in the home.Forced Air

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Randolph High SchoolD
High · Grades 9–12 · 0.9 mi
E
J F Kennedy Elementary SchoolC
Elementary · Grades PK–5 · 0.9 mi
M
Randolph Community Middle SchoolD+
Middle · Grades 6–8 · 1.1 mi

District: Randolph School District

Neighborhood · ZIP 02368These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
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.36,419
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,217 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,288
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,123
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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

509 N Main St # 511 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 97% of homes in Norfolk County
  • Costs less per square foot than 94% of homes in Norfolk County
  • Smaller than 80% of homes in Norfolk County
  • Older than 98% of homes in Norfolk County

What homes are worth in Randolph 02368

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

This home
$267K$880K

This home is worth more than 6% of homes in Randolph 02368.

How it measures up in Randolph 02368

The dot is this home. The mark in the middle is the typical home in Randolph 02368.

Estimated value$354,548
CheaperTypical $550,358Pricier

Pricier than 6% of homes nearby

Price per ft²$302
CheaperTypical $403Pricier

Pricier than 7% of homes nearby

Living area1,174 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 31% of homes nearby

Year built1850
OlderTypical 1962Newer

Newer than 3% of homes nearby

How 509 N Main St # 511 ranks against every home in each area.
MeasureThis homeRandolph 02368Norfolk County
Estimated valuepricier than$354,5486% of homes3% of homes
Price per ft²pricier than$3027% of homes6% of homes
Living areabigger than1,174 ft²31% of homes20% of homes
Year builtnewer than18503% of homes2% of homes

About 509 N Main St # 511

How much is 509 N Main St # 511, Randolph, MA worth?

The TopHap Estimate for 509 N Main St # 511, Randolph, MA is $354,548 as of Jul 14, 2026. The likely range is $318,678 to $390,418. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 509 N Main St # 511, Randolph, MA?

509 N Main St # 511, Randolph, MA has 3 bedrooms, 2 bathrooms and 1,174 square feet of living space.

When was 509 N Main St # 511, Randolph, MA built?

509 N Main St # 511, Randolph, MA was built in 1850, making it 176 years old. The building has 2 stories.

What schools serve 509 N Main St # 511, Randolph, MA?

509 N Main St # 511, Randolph, MA is assigned to Randolph High School (high), rated D; J F Kennedy Elementary School (elementary), rated C; Randolph Community Middle School (middle), rated D+. All sit in Randolph School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 N Main St # 511, Randolph, MA compare to other homes in Randolph 02368?

Among the 9,442 homes in Randolph 02368, it is worth more than 6% of them ($354,548 against a typical $550,358), its price per square foot is higher than 7% of them ($302 against a typical $403), it is bigger than 31% of them (1,174 ft² against a typical 1,344 ft²) and it is newer than 3% of them (1850 against a typical 1962). Measured against all of Norfolk County, it is worth more than 3% 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 509 N Main St # 511, Randolph, MA?

The 2025 property tax bill for 509 N Main St # 511, Randolph, MA was $5,380. The county assessed it at $463,400.

Closest homes

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Assigned schools

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