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Single Family ResidenceResidential
$861,534$399 / 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 96How 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 $610,000 on Oct 31, 2019

18 NEW CASTLE RD

ASHLAND, MA 01721
4
Beds
2.5
Baths
2,158 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.
0.42 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$862K
$827K low$896K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$610,000 · Oct 31, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,151 (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.$794,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$275,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$519,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$784,130

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.1991
Lot (acres)The size of the land the home sits on, from county records.0.42
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
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(7)

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
Henry E Warren Elementary School
Elementary · Grades KG–2 · 0.4 mi
M
Ashland Middle SchoolA
Middle · Grades 6–8 · 1.3 mi
H
Ashland High SchoolA
High · Grades 9–12 · 1.4 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

18 New Castle 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 74% of homes in Ashland 01721
  • Costs less per square foot than 67% of homes in Middlesex County
  • Bigger than 72% of homes in Ashland 01721
  • Has a smaller lot than 76% of homes in Ashland 01721
  • Newer than 80% of homes in Middlesex County

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
$448K$1.3M

This home is worth more than 74% 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$861,534
CheaperTypical $683,425Pricier

Pricier than 74% of homes nearby

Price per ft²$399
CheaperTypical $390Pricier

Pricier than 55% of homes nearby

Living area2,158 ft²
SmallerTypical 1,799 ft²Bigger

Bigger than 72% of homes nearby

Lot size0.42 ac
SmallerTypical 0.73 acBigger

Bigger than 24% of homes nearby

Year built1987
OlderTypical 1984Newer

Newer than 60% of homes nearby

How 18 New Castle Rd ranks against every home in each area.
MeasureThis homeAshland 01721Middlesex County
Estimated valuepricier than$861,53474% of homes58% of homes
Price per ft²pricier than$39955% of homes33% of homes
Living areabigger than2,158 ft²72% of homes63% of homes
Lot sizebigger than0.42 ac24% of homes58% of homes
Year builtnewer than198760% of homes80% of homes

About 18 New Castle Rd

How much is 18 New Castle Rd, Ashland, MA worth?

The TopHap Estimate for 18 New Castle Rd, Ashland, MA is $861,534 as of Jul 14, 2026. The likely range is $826,884 to $896,184. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 New Castle Rd, Ashland, MA last sell?

18 New Castle Rd, Ashland, MA last sold on Oct 31, 2019 for $610,000, according to the county's recorded deed.

How big is 18 New Castle Rd, Ashland, MA?

18 New Castle Rd, Ashland, MA has 4 bedrooms, 2.5 bathrooms, 2,158 square feet of living space and a 0.42-acre lot.

When was 18 New Castle Rd, Ashland, MA built?

18 New Castle Rd, Ashland, MA was built in 1987, making it 39 years old. It is a colonial home. The building has 2 stories.

What schools serve 18 New Castle Rd, Ashland, MA?

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

How does 18 New Castle Rd, Ashland, MA compare to other homes in Ashland 01721?

Among the 6,092 homes in Ashland 01721, it is worth more than 74% of them ($861,534 against a typical $683,425), its price per square foot is higher than 55% of them ($399 against a typical $390), it is bigger than 72% of them (2,158 ft² against a typical 1,799 ft²), its lot is bigger than 24% of them (0.42 ac against a typical 0.73 ac) and it is newer than 60% of them (1987 against a typical 1984). Measured against all of Middlesex County, it is worth more than 58% 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 New Castle Rd, Ashland, MA?

The 2025 property tax bill for 18 New Castle Rd, Ashland, MA was $10,151. The county assessed it at $794,900.

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