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Single Family ResidenceResidential
$803,741$348 / 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 97How 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 $133,000 on Dec 23, 1993

42 WILLIAMS RD

ASHLAND, MA 01721
4
Beds
2.5
Baths
2,308 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.
0.59 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$804K
$781K low$826K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$133,000 · Dec 23, 1993

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,516 (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.$666,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$260,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$406,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$642,865

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.83 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyMIDDLESEX
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1984
Lot (acres)The size of the land the home sits on, from county records.0.59
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.Forced Air With Air Conditioning
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.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.

H
Ashland High SchoolA
High · Grades 9–12 · 0.9 mi
E
Henry E Warren Elementary School
Elementary · Grades KG–2 · 1.2 mi
M
Ashland Middle SchoolA
Middle · Grades 6–8 · 2.3 mi

District: Ashland School District

Neighborhood · ZIP 01721These 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.47
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.63

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.18,969
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,481 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$135,702
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,800
Average tempThe average temperature here across a full year.49°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.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

42 Williams 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 68% of homes in Ashland 01721
  • Costs less per square foot than 81% of homes in Middlesex County
  • Bigger than 77% of homes in Ashland 01721
  • Has a bigger lot than 68% of homes in Middlesex County
  • Older than 78% of homes in Ashland 01721

What homes are worth in Ashland 01721

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

This home
$434K$1.3M

This home is worth more than 68% of homes in Ashland 01721.

How it measures up in Ashland 01721

The dot is this home. The mark in the middle is the typical home in Ashland 01721.

Estimated value$803,741
CheaperTypical $685,536Pricier

Pricier than 68% of homes nearby

Price per ft²$348
CheaperTypical $403Pricier

Pricier than 20% of homes nearby

Living area2,308 ft²
SmallerTypical 1,802 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.59 ac
SmallerTypical 0.74 acBigger

Bigger than 33% of homes nearby

Year built1955
OlderTypical 1984Newer

Newer than 22% of homes nearby

How 42 Williams Rd ranks against every home in each area.
MeasureThis homeAshland 01721Middlesex County
Estimated valuepricier than$803,74168% of homes53% of homes
Price per ft²pricier than$34820% of homes19% of homes
Living areabigger than2,308 ft²77% of homes68% of homes
Lot sizebigger than0.59 ac33% of homes68% of homes
Year builtnewer than195522% of homes47% of homes

About 42 Williams Rd

How much is 42 Williams Rd, Ashland, MA worth?

The TopHap Estimate for 42 Williams Rd, Ashland, MA is $803,741 as of Sep 24, 2026. The likely range is $781,028 to $826,454. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42 Williams Rd, Ashland, MA last sell?

42 Williams Rd, Ashland, MA last sold on Dec 23, 1993 for $133,000, according to the county's recorded deed.

How big is 42 Williams Rd, Ashland, MA?

42 Williams Rd, Ashland, MA has 4 bedrooms, 2.5 bathrooms, 2,308 square feet of living space and a 0.59-acre lot.

When was 42 Williams Rd, Ashland, MA built?

42 Williams Rd, Ashland, MA was built in 1955, making it 71 years old. It is a colonial home. The building has 2 stories.

What schools serve 42 Williams Rd, Ashland, MA?

42 Williams Rd, Ashland, MA is assigned to Ashland High School (high), rated A; Henry E Warren Elementary School (elementary); Ashland Middle School (middle), rated A. All sit in Ashland School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42 Williams Rd, Ashland, MA compare to other homes in Ashland 01721?

Among the 6,092 homes in Ashland 01721, it is worth more than 68% of them ($803,741 against a typical $685,536), its price per square foot is higher than 20% of them ($348 against a typical $403), it is bigger than 77% of them (2,308 ft² against a typical 1,802 ft²), its lot is bigger than 33% of them (0.59 ac against a typical 0.74 ac) and it is newer than 22% of them (1955 against a typical 1984). Measured against all of Middlesex County, it is worth more than 53% 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 42 Williams Rd, Ashland, MA?

The 2025 property tax bill for 42 Williams Rd, Ashland, MA was $8,516. The county assessed it at $666,900.

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