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CondominiumResidential
$302,386$298 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $300,000 on Jul 23, 2026

20 WILLIAM ST

WORCESTER, MA 01609
Building report
3
Beds
2.5
Baths
1,015 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$302K
$277K low$328K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Jul 23, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,817 (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.$287,400 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$287,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$279,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$293,145

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyWORCESTER
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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(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
Elm Park CommunityD-
Elementary · Grades PK–6 · 0.1 mi
H
Doherty Memorial High SchoolD+
High · Grades 9–12 · 0.8 mi
M
Forest Grove Middle SchoolD
Middle · Grades 7–8 · 1.5 mi

District: Worcester School District

Neighborhood · ZIP 01609These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
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.22,689
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,467 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,029
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,093
Average tempThe average temperature here across a full year.47°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.50%

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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

20 William 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 92% of homes in Worcester County
  • Costs more per square foot than 85% of homes in Elm Park
  • Smaller than 90% of homes in Worcester County
  • Has a bigger lot than 84% of homes in Elm Park
  • Among the newest homes in Elm Park

What homes are worth in Worcester 01609

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

This home
$196K$1.1M

This home is worth more than 14% of homes in Worcester 01609.

How it measures up in Worcester 01609

The dot is this home. The mark in the middle is the typical home in Worcester 01609.

Estimated value$302,386
CheaperTypical $570,256Pricier

Pricier than 14% of homes nearby

Price per ft²$298
CheaperTypical $292Pricier

Pricier than 54% of homes nearby

Living area1,015 ft²
SmallerTypical 2,127 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.38 ac
SmallerTypical 0.32 acBigger

Bigger than 59% of homes nearby

Year built2007
OlderTypical 1943Newer

Newer than 97% of homes nearby

How 20 William St ranks against every home in each area.
MeasureThis homeElm ParkWorcester 01609Worcester County
Estimated valuepricier than$302,38642% of homes14% of homes8% of homes
Price per ft²pricier than$29885% of homes54% of homes47% of homes
Living areabigger than1,015 ft²15% of homes11% of homes10% of homes
Lot sizebigger than0.38 ac84% of homes59% of homes41% of homes
Year builtnewer than2007almost all homes97% of homes92% of homes

About 20 William St

How much is 20 William St, Worcester, MA worth?

The TopHap Estimate for 20 William St, Worcester, MA is $302,386 as of Oct 21, 2026. The likely range is $276,880 to $327,892. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 William St, Worcester, MA last sell?

20 William St, Worcester, MA last sold on Jul 23, 2026 for $300,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 20 William St, Worcester, MA?

20 William St, Worcester, MA has 3 bedrooms, 2.5 bathrooms and 1,015 square feet of living space.

When was 20 William St, Worcester, MA built?

20 William St, Worcester, MA was built in 2007, making it 19 years old. The building has 3 stories.

What schools serve 20 William St, Worcester, MA?

20 William St, Worcester, MA is assigned to Elm Park Community (elementary), rated D-; Doherty Memorial High School (high), rated D+; Forest Grove Middle School (middle), rated D. All sit in Worcester School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 William St, Worcester, MA compare to other homes in Worcester 01609?

Among the 3,878 homes in Worcester 01609, it is worth more than 14% of them ($302,386 against a typical $570,256), its price per square foot is higher than 54% of them ($298 against a typical $292), it is bigger than 11% of them (1,015 ft² against a typical 2,127 ft²), its lot is bigger than 59% of them (0.38 ac against a typical 0.32 ac) and it is newer than 97% of them (2007 against a typical 1943). Measured against all of Worcester County, it is worth more than 8% 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 20 William St, Worcester, MA?

The 2026 property tax bill for 20 William St, Worcester, MA was $3,817. The county assessed it at $287,400.

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