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Single Family ResidenceResidential
$671,357$242 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $550,000 on Mar 4, 2022

18 KNOLLWOOD DR

CHARLTON, MA 01507
4
Beds
2.5
Baths
2,772 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.
1.02 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
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

$671K
$625K low$718K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · Mar 4, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,396 (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.$574,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$103,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$470,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$639,730

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.Cape Cod
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.1.02
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
CoolingThe type of cooling or air conditioning in the home.Yes
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(13)

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
Charlton Elementary School
Elementary · Grades PK–1 · 3.2 mi
M
Charlton Middle SchoolC
Middle · Grades 5–8 · 3.7 mi
H
Shepherd Hill Regional High SchoolC+
High · Grades 9–12 · 9.1 mi

District: Dudley-Charlton Regional School District

Neighborhood · ZIP 01507These 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.107
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
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.13,647
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.312 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$119,904
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,481
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%

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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

18 Knollwood Dr 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 84% of homes in Charlton 01507
  • Costs less per square foot than 83% of homes in Worcester County
  • Bigger than 88% of homes in Charlton 01507
  • Has a bigger lot than 70% of homes in Worcester County
  • Newer than 73% of homes in Worcester County

What homes are worth in Charlton 01507

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

This home
$229K$860K

This home is worth more than 84% of homes in Charlton 01507.

How it measures up in Charlton 01507

The dot is this home. The mark in the middle is the typical home in Charlton 01507.

Estimated value$671,357
CheaperTypical $506,943Pricier

Pricier than 84% of homes nearby

Price per ft²$242
CheaperTypical $285Pricier

Pricier than 21% of homes nearby

Living area2,772 ft²
SmallerTypical 1,786 ft²Bigger

Bigger than 88% of homes nearby

Lot size1.02 ac
SmallerTypical 1.26 acBigger

Bigger than 36% of homes nearby

Year built1990
OlderTypical 1987Newer

Newer than 60% of homes nearby

How 18 Knollwood Dr ranks against every home in each area.
MeasureThis homeCharlton 01507Worcester County
Estimated valuepricier than$671,35784% of homes80% of homes
Price per ft²pricier than$24221% of homes17% of homes
Living areabigger than2,772 ft²88% of homes86% of homes
Lot sizebigger than1.02 ac36% of homes70% of homes
Year builtnewer than199060% of homes73% of homes

About 18 Knollwood Dr

How much is 18 Knollwood Dr, Charlton, MA worth?

The TopHap Estimate for 18 Knollwood Dr, Charlton, MA is $671,357 as of Aug 30, 2026. The likely range is $624,797 to $717,917. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Knollwood Dr, Charlton, MA last sell?

18 Knollwood Dr, Charlton, MA last sold on Mar 4, 2022 for $550,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 18 Knollwood Dr, Charlton, MA?

18 Knollwood Dr, Charlton, MA has 4 bedrooms, 2.5 bathrooms, 2,772 square feet of living space and a 1.02-acre lot.

When was 18 Knollwood Dr, Charlton, MA built?

18 Knollwood Dr, Charlton, MA was built in 1990, making it 36 years old. It is a cape cod home. The building has 2 stories.

What schools serve 18 Knollwood Dr, Charlton, MA?

18 Knollwood Dr, Charlton, MA is assigned to Charlton Elementary School (elementary); Charlton Middle School (middle), rated C; Shepherd Hill Regional High School (high), rated C+. All sit in Dudley-Charlton Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Knollwood Dr, Charlton, MA compare to other homes in Charlton 01507?

Among the 4,633 homes in Charlton 01507, it is worth more than 84% of them ($671,357 against a typical $506,943), its price per square foot is higher than 21% of them ($242 against a typical $285), it is bigger than 88% of them (2,772 ft² against a typical 1,786 ft²), its lot is bigger than 36% of them (1.02 ac against a typical 1.26 ac) and it is newer than 60% of them (1990 against a typical 1987). Measured against all of Worcester County, it is worth more than 80% 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 18 Knollwood Dr, Charlton, MA?

The 2025 property tax bill for 18 Knollwood Dr, Charlton, MA was $6,396. The county assessed it at $574,700.

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