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CondominiumResidential
$278,362$349 / 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 Sep 24, 2026

685 MAIN ST

SOUTH WEYMOUTH, MA 02190
Building report
2
Beds
1
Baths
798 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.
1.05 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$278K
$272K low$284K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,682 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$265,000 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$265,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$254,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$274,550

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.51
71
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
52
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
87
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.37 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 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
CountyNORFOLK
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.1972
Lot (acres)The size of the land the home sits on, from county records.1.05
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

E
Thomas V NashB-
Elementary · Grades KG–5 · 0.2 mi
H
Weymouth High SchoolC+
High · Grades 9–12 · 0.8 mi

District: Weymouth School District

Neighborhood · ZIP 02190These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
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.19,738
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,573 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,816
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,397
Average tempThe average temperature here across a full year.50°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.52%

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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

685 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 Norfolk County
  • Costs less per square foot than 82% of homes in Norfolk County
  • Smaller than 96% of homes in Norfolk County
  • Has a bigger lot than 81% of homes in Norfolk County

What homes are worth in South Weymouth 02190

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

This home
$266K$1.1M

This home is worth more than 4% of homes in South Weymouth 02190.

How it measures up in South Weymouth 02190

The dot is this home. The mark in the middle is the typical home in South Weymouth 02190.

Estimated value$278,362
CheaperTypical $609,618Pricier

Pricier than 4% of homes nearby

Price per ft²$349
CheaperTypical $407Pricier

Pricier than 19% of homes nearby

Living area798 ft²
SmallerTypical 1,470 ft²Bigger

Bigger than 9% of homes nearby

Lot size1.05 ac
SmallerTypical 0.38 acBigger

Bigger than 77% of homes nearby

Year built1970
OlderTypical 1966Newer

Newer than 64% of homes nearby

How 685 Main St ranks against every home in each area.
MeasureThis homeSouth Weymouth 02190Norfolk County
Estimated valuepricier than$278,3624% of homesalmost no homes
Price per ft²pricier than$34919% of homes18% of homes
Living areabigger than798 ft²9% of homes4% of homes
Lot sizebigger than1.05 ac77% of homes81% of homes
Year builtnewer than197064% of homes64% of homes

About 685 Main St

How much is 685 Main St, South Weymouth, MA worth?

The TopHap Estimate for 685 Main St, South Weymouth, MA is $278,362 as of Sep 24, 2026. The likely range is $272,495 to $284,229. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 685 Main St, South Weymouth, MA last sell?

685 Main St, South Weymouth, MA last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 685 Main St, South Weymouth, MA?

685 Main St, South Weymouth, MA has 2 bedrooms, 1 bathrooms, 798 square feet of living space and a 1.05-acre lot.

When was 685 Main St, South Weymouth, MA built?

685 Main St, South Weymouth, MA was built in 1970, making it 56 years old. The building has 1 story.

What schools serve 685 Main St, South Weymouth, MA?

685 Main St, South Weymouth, MA is assigned to Thomas V Nash (elementary), rated B-; Weymouth High School (high), rated C+. All sit in Weymouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 685 Main St, South Weymouth, MA compare to other homes in South Weymouth 02190?

Among the 6,161 homes in South Weymouth 02190, it is worth more than 4% of them ($278,362 against a typical $609,618), its price per square foot is higher than 19% of them ($349 against a typical $407), it is bigger than 9% of them (798 ft² against a typical 1,470 ft²), its lot is bigger than 77% of them (1.05 ac against a typical 0.38 ac) and it is newer than 64% of them (1970 against a typical 1966). Measured against all of Norfolk County, it is worth more than almost no 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 685 Main St, South Weymouth, MA?

The 2026 property tax bill for 685 Main St, South Weymouth, MA was $2,682. The county assessed it at $265,000.

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