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Single Family ResidenceResidential
$477,948$359 / 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 Sep 24, 2026

3 WARREN ST

GRAFTON, MA 01519
3
Beds
1
Baths
1,331 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
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

$478K
$437K low$519K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,811 (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.$497,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$171,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$326,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$472,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$459,650

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.Ranch
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Concrete
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.Yes

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
Grafton Middle SchoolB+
Middle · Grades 7–8 · 0.6 mi
H
Grafton High SchoolB
High · Grades 9–12 · 0.6 mi
E
North Grafton Elementary School
Elementary · Grades PK–1 · 2.2 mi

District: Grafton School District

Neighborhood · ZIP 01519These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.61

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.7,957
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.742 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,960
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$153,222
Average tempThe average temperature here across a full year.48°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

3 Warren 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 76% of homes in Grafton 01519
  • Costs more per square foot than 76% of homes in Worcester County
  • Smaller than 77% of homes in Grafton 01519
  • Has a smaller lot than 98% of homes in Grafton 01519
  • Older than 88% of homes in Grafton 01519

What homes are worth in Grafton 01519

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

This home
$314K$1.3M

This home is worth more than 24% of homes in Grafton 01519.

How it measures up in Grafton 01519

The dot is this home. The mark in the middle is the typical home in Grafton 01519.

Estimated value$477,948
CheaperTypical $669,000Pricier

Pricier than 24% of homes nearby

Price per ft²$359
CheaperTypical $343Pricier

Pricier than 61% of homes nearby

Living area1,331 ft²
SmallerTypical 2,024 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.22 ac
SmallerTypical 0.94 acBigger

Bigger than 2% of homes nearby

Year built1947
OlderTypical 1987Newer

Newer than 12% of homes nearby

How 3 Warren St ranks against every home in each area.
MeasureThis homeGrafton 01519Worcester County
Estimated valuepricier than$477,94824% of homes49% of homes
Price per ft²pricier than$35961% of homes76% of homes
Living areabigger than1,331 ft²23% of homes30% of homes
Lot sizebigger than0.22 ac2% of homes21% of homes
Year builtnewer than194712% of homes30% of homes

About 3 Warren St

How much is 3 Warren St, Grafton, MA worth?

The TopHap Estimate for 3 Warren St, Grafton, MA is $477,948 as of Sep 24, 2026. The likely range is $436,821 to $519,075. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3 Warren St, Grafton, MA last sell?

3 Warren St, Grafton, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3 Warren St, Grafton, MA?

3 Warren St, Grafton, MA has 3 bedrooms, 1 bathrooms, 1,331 square feet of living space and a 0.22-acre lot.

When was 3 Warren St, Grafton, MA built?

3 Warren St, Grafton, MA was built in 1947, making it 79 years old. It is a ranch home. The building has 1 story.

What schools serve 3 Warren St, Grafton, MA?

3 Warren St, Grafton, MA is assigned to Grafton Middle School (middle), rated B+; Grafton High School (high), rated B; North Grafton Elementary School (elementary). All sit in Grafton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3 Warren St, Grafton, MA compare to other homes in Grafton 01519?

Among the 2,462 homes in Grafton 01519, it is worth more than 24% of them ($477,948 against a typical $669,000), its price per square foot is higher than 61% of them ($359 against a typical $343), it is bigger than 23% of them (1,331 ft² against a typical 2,024 ft²), its lot is bigger than 2% of them (0.22 ac against a typical 0.94 ac) and it is newer than 12% of them (1947 against a typical 1987). Measured against all of Worcester County, it is worth more than 49% 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 3 Warren St, Grafton, MA?

The 2026 property tax bill for 3 Warren St, Grafton, MA was $6,811. The county assessed it at $497,500.

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