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Single Family ResidenceResidential
$937,455$254 / 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 89How 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 $880,000 on Jun 25, 2025

66 WILLIAM ST

WORCESTER, MA 01609
3
Beds
0
Baths
3,692 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.
0.26 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.
3
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$937K
$830K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$880,000 · Jun 25, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,007 (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.$758,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$142,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$616,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$830,680

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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

Scores 0–100; higher = greater projected risk.

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.Colonial
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.0.26
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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(4)

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 CommunityC-
Elementary · Grades PK–6 · 0.3 mi
H
Doherty Memorial High SchoolC
High · Grades 9–12 · 0.5 mi
M
Forest Grove Middle SchoolC-
Middle · Grades 7–8 · 1.4 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

66 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.

  • Among the most valuable homes in Elm Park
  • Costs less per square foot than 79% of homes in Worcester 01609
  • Bigger than 95% of homes in Worcester County
  • Has a bigger lot than 80% of homes in Elm Park
  • Older than 80% of homes in Worcester County

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
$205K$1M

This home is worth more than 96% 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$937,455
CheaperTypical $567,813Pricier

Pricier than 96% of homes nearby

Price per ft²$254
CheaperTypical $291Pricier

Pricier than 21% of homes nearby

Living area3,692 ft²
SmallerTypical 2,127 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.26 ac
SmallerTypical 0.31 acBigger

Bigger than 41% of homes nearby

Year built1920
OlderTypical 1944Newer

Newer than 34% of homes nearby

How 66 William St ranks against every home in each area.
MeasureThis homeElm ParkWorcester 01609Worcester County
Estimated valuepricier than$937,455almost all homes96% of homes95% of homes
Price per ft²pricier than$25446% of homes21% of homes22% of homes
Living areabigger than3,692 ft²72% of homes84% of homes95% of homes
Lot sizebigger than0.26 ac80% of homes41% of homes28% of homes
Year builtnewer than192067% of homes34% of homes20% of homes

About 66 William St

How much is 66 William St, Worcester, MA worth?

The TopHap Estimate for 66 William St, Worcester, MA is $937,455 as of Sep 24, 2026. The likely range is $830,382 to $1,044,528. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 66 William St, Worcester, MA last sell?

66 William St, Worcester, MA last sold on Jun 25, 2025 for $880,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 66 William St, Worcester, MA?

66 William St, Worcester, MA has 3 bedrooms, 3,692 square feet of living space and a 0.26-acre lot.

When was 66 William St, Worcester, MA built?

66 William St, Worcester, MA was built in 1920, making it 106 years old. It is a colonial home. The building has 3 stories.

What schools serve 66 William St, Worcester, MA?

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

How does 66 William St, Worcester, MA compare to other homes in Worcester 01609?

Among the 3,878 homes in Worcester 01609, it is worth more than 96% of them ($937,455 against a typical $567,813), its price per square foot is higher than 21% of them ($254 against a typical $291), it is bigger than 84% of them (3,692 ft² against a typical 2,127 ft²), its lot is bigger than 41% of them (0.26 ac against a typical 0.31 ac) and it is newer than 34% of them (1920 against a typical 1944). Measured against all of Worcester County, it is worth more than 95% 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 66 William St, Worcester, MA?

The 2025 property tax bill for 66 William St, Worcester, MA was $10,007. The county assessed it at $758,700.

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