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Single Family ResidenceResidential
$1,378,754$434 / 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 Jul 14, 2026
Last sold for $1,250,000 on Dec 15, 2023

21 MILL RUN RD

BOXFORD, MA 01921
4
Beds
3.5
Baths
3,180 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.
2.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.4M
$1.3M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,250,000 · Dec 15, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,866 (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.$1,105,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$484,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$620,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,313,660

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.25 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.1 percent flood zone

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
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.2.20
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(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.

E
Harry Lee Cole
Elementary · Grades PK–2 · 0.3 mi
M
Masconomet Regional Middle SchoolC
Middle · Grades 7–8 · 2.4 mi
H
Masconomet Regional High SchoolA
High · Grades 9–12 · 2.4 mi

District: Boxford School District

Neighborhood · ZIP 01921These 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.14
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.89

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.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.7%
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.8,217
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.346 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$198,803
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$256,763
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

21 Mill Run Rd 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 92% of homes in Essex County
  • Costs more per square foot than 71% of homes in Boxford 01921
  • Bigger than 87% of homes in Essex County
  • Has a bigger lot than 94% of homes in Essex County
  • Older than 76% of homes in Boxford 01921

What homes are worth in Boxford 01921

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

This home
$580K$2.1M

This home is worth more than 80% of homes in Boxford 01921.

How it measures up in Boxford 01921

The dot is this home. The mark in the middle is the typical home in Boxford 01921.

Estimated value$1,378,754
CheaperTypical $1,050,143Pricier

Pricier than 80% of homes nearby

Price per ft²$434
CheaperTypical $396Pricier

Pricier than 71% of homes nearby

Living area3,180 ft²
SmallerTypical 2,691 ft²Bigger

Bigger than 66% of homes nearby

Lot size2.2 ac
SmallerTypical 2.1 acBigger

Bigger than 58% of homes nearby

Year built1964
OlderTypical 1979Newer

Newer than 24% of homes nearby

How 21 Mill Run Rd ranks against every home in each area.
MeasureThis homeBoxford 01921Essex County
Estimated valuepricier than$1,378,75480% of homes92% of homes
Price per ft²pricier than$43471% of homes60% of homes
Living areabigger than3,180 ft²66% of homes87% of homes
Lot sizebigger than2.2 ac58% of homes94% of homes
Year builtnewer than196424% of homes57% of homes

About 21 Mill Run Rd

How much is 21 Mill Run Rd, Boxford, MA worth?

The TopHap Estimate for 21 Mill Run Rd, Boxford, MA is $1,378,754 as of Jul 14, 2026. The likely range is $1,287,914 to $1,469,594. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Mill Run Rd, Boxford, MA last sell?

21 Mill Run Rd, Boxford, MA last sold on Dec 15, 2023 for $1,250,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Mill Run Rd, Boxford, MA?

21 Mill Run Rd, Boxford, MA has 4 bedrooms, 3.5 bathrooms, 3,180 square feet of living space and a 2.20-acre lot.

When was 21 Mill Run Rd, Boxford, MA built?

21 Mill Run Rd, Boxford, MA was built in 1964, making it 62 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Mill Run Rd, Boxford, MA?

21 Mill Run Rd, Boxford, MA is assigned to Harry Lee Cole (elementary); Masconomet Regional Middle School (middle), rated C; Masconomet Regional High School (high), rated A. All sit in Boxford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Mill Run Rd, Boxford, MA compare to other homes in Boxford 01921?

Among the 2,782 homes in Boxford 01921, it is worth more than 80% of them ($1,378,754 against a typical $1,050,143), its price per square foot is higher than 71% of them ($434 against a typical $396), it is bigger than 66% of them (3,180 ft² against a typical 2,691 ft²), its lot is bigger than 58% of them (2.2 ac against a typical 2.1 ac) and it is newer than 24% of them (1964 against a typical 1979). Measured against all of Essex County, it is worth more than 92% 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 21 Mill Run Rd, Boxford, MA?

The 2025 property tax bill for 21 Mill Run Rd, Boxford, MA was $14,866. The county assessed it at $1,105,300.

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