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CondominiumResidential
$640,615$297 / 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 $640,000 on Jun 20, 2025

233 GREEN ST # B

BOYLSTON, MA 01505
Building report
3
Beds
3
Baths
2,157 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.
2022
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

$641K
$571K low$710K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$640,000 · Jun 20, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,302 (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.$600,300 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$600,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$600,300

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.55
80
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
82
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
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.31 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Condominium
CountyWorcester
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes

Transaction History(2)

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
Tahanto Regional High SchoolA-
Middle · Grades 6–12 · 1.7 mi
E
Boylston Elementary SchoolB-
Elementary · Grades KG–5 · 3.0 mi

District: Berlin-Boylston School District

Neighborhood · ZIP 01505These 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.43
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 100.65

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
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.4,451
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.262 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,631
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$161,917
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%

Owner Tools

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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

233 Green St # B 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 more than 77% of homes in Worcester County
  • Costs less per square foot than 85% of homes in Boylston 01505
  • Bigger than 69% of homes in Worcester County
  • Among the newest homes in Worcester County

What homes are worth in Boylston 01505

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

This home
$346K$1.6M

This home is worth more than 49% of homes in Boylston 01505.

How it measures up in Boylston 01505

The dot is this home. The mark in the middle is the typical home in Boylston 01505.

Estimated value$640,615
CheaperTypical $645,250Pricier

Pricier than 49% of homes nearby

Price per ft²$297
CheaperTypical $345Pricier

Pricier than 15% of homes nearby

Living area2,157 ft²
SmallerTypical 1,885 ft²Bigger

Bigger than 59% of homes nearby

Year built2022
OlderTypical 1977Newer

Newer than almost all homes nearby

How 233 Green St # B ranks against every home in each area.
MeasureThis homeBoylston 01505Worcester County
Estimated valuepricier than$640,61549% of homes77% of homes
Price per ft²pricier than$29715% of homes45% of homes
Living areabigger than2,157 ft²59% of homes69% of homes
Year builtnewer than2022almost all homesalmost all homes

About 233 Green St # B

How much is 233 Green St # B, Boylston, MA worth?

The TopHap Estimate for 233 Green St # B, Boylston, MA is $640,615 as of Sep 24, 2026. The likely range is $570,813 to $710,417. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 233 Green St # B, Boylston, MA last sell?

233 Green St # B, Boylston, MA last sold on Jun 20, 2025 for $640,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 233 Green St # B, Boylston, MA?

233 Green St # B, Boylston, MA has 3 bedrooms, 3 bathrooms and 2,157 square feet of living space.

When was 233 Green St # B, Boylston, MA built?

233 Green St # B, Boylston, MA was built in 2022, making it 4 years old. The building has 2 stories.

What schools serve 233 Green St # B, Boylston, MA?

233 Green St # B, Boylston, MA is assigned to Tahanto Regional High School (middle), rated A-; Boylston Elementary School (elementary), rated B-. All sit in Berlin-Boylston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 233 Green St # B, Boylston, MA compare to other homes in Boylston 01505?

Among the 1,864 homes in Boylston 01505, it is worth more than 49% of them ($640,615 against a typical $645,250), its price per square foot is higher than 15% of them ($297 against a typical $345), it is bigger than 59% of them (2,157 ft² against a typical 1,885 ft²) and it is newer than almost all of them (2022 against a typical 1977). Measured against all of Worcester County, it is worth more than 77% 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 233 Green St # B, Boylston, MA?

The 2025 property tax bill for 233 Green St # B, Boylston, MA was $8,302. The county assessed it at $600,300.

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