Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$361,073$255 / 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 91How 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
Last sold for $152,000 on Dec 28, 2010

12 KOSMAS ST

WEBSTER, MA 01570
4
Beds
1
Baths
1,416 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.
0.21 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.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$361K
$328K low$394K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$152,000 · Dec 28, 2010
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.$211,093
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$168,874
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.42%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$149,980
WELLS FARGO MORTGAGE · P · recorded Dec 28, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,976 (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.$250,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$198,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$250,500

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.Conventional
CountyWorcester
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.1953
Lot (acres)The size of the land the home sits on, from county records.0.21
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
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Webster Middle SchoolC-
Middle · Grades 5–8 · 0.3 mi
H
Bartlett High SchoolD-
High · Grades 9–12 · 0.3 mi
E
Park Avenue Elementary SchoolC
Elementary · Grades PK–4 · 0.7 mi

District: Webster School District

Neighborhood · ZIP 01570These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.18,400
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,263 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,022
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,132
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

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

12 Kosmas 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 83% of homes in Worcester County
  • Costs less per square foot than 79% of homes in Worcester County
  • Smaller than 66% of homes in Webster 01570
  • Has a smaller lot than 81% of homes in Worcester County
  • Older than 80% of homes in Worcester County

What homes are worth in Webster 01570

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

This home
$261K$1.2M

This home is worth more than 22% of homes in Webster 01570.

How it measures up in Webster 01570

The dot is this home. The mark in the middle is the typical home in Webster 01570.

Estimated value$361,073
CheaperTypical $437,214Pricier

Pricier than 22% of homes nearby

Price per ft²$255
CheaperTypical $291Pricier

Pricier than 28% of homes nearby

Living area1,416 ft²
SmallerTypical 1,700 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.21 ac
SmallerTypical 0.29 acBigger

Bigger than 27% of homes nearby

Year built1920
OlderTypical 1960Newer

Newer than 22% of homes nearby

How 12 Kosmas St ranks against every home in each area.
MeasureThis homeWebster 01570Worcester County
Estimated valuepricier than$361,07322% of homes17% of homes
Price per ft²pricier than$25528% of homes21% of homes
Living areabigger than1,416 ft²34% of homes35% of homes
Lot sizebigger than0.21 ac27% of homes19% of homes
Year builtnewer than192022% of homes20% of homes

About 12 Kosmas St

How much is 12 Kosmas St, Webster, MA worth?

The TopHap Estimate for 12 Kosmas St, Webster, MA is $361,073 as of Jul 14, 2026. The likely range is $328,276 to $393,870. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Kosmas St, Webster, MA last sell?

12 Kosmas St, Webster, MA last sold on Dec 28, 2010 for $152,000, according to the county's recorded deed.

How big is 12 Kosmas St, Webster, MA?

12 Kosmas St, Webster, MA has 4 bedrooms, 1 bathrooms, 1,416 square feet of living space and a 0.21-acre lot.

When was 12 Kosmas St, Webster, MA built?

12 Kosmas St, Webster, MA was built in 1920, making it 106 years old. It is a conventional home. The building has 2 stories.

What schools serve 12 Kosmas St, Webster, MA?

12 Kosmas St, Webster, MA is assigned to Webster Middle School (middle), rated C-; Bartlett High School (high), rated D-; Park Avenue Elementary School (elementary), rated C. All sit in Webster School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Kosmas St, Webster, MA compare to other homes in Webster 01570?

Among the 5,375 homes in Webster 01570, it is worth more than 22% of them ($361,073 against a typical $437,214), its price per square foot is higher than 28% of them ($255 against a typical $291), it is bigger than 34% of them (1,416 ft² against a typical 1,700 ft²), its lot is bigger than 27% of them (0.21 ac against a typical 0.29 ac) and it is newer than 22% of them (1920 against a typical 1960). Measured against all of Worcester County, it is worth more than 17% 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 Kosmas St, Webster, MA?

The 2025 property tax bill for 12 Kosmas St, Webster, MA was $2,976. The county assessed it at $250,500.

Closest homes

More homes in Webster 01570

Assigned schools

Explore the area

See this home in context

Open 12 Kosmas St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map