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CondominiumResidential
$632,827$308 / 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 95How 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

21 HALF CROWN CIR

ASHLAND, MA 01721
2
Beds
2.5
Baths
2,052 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.
8.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$633K
$599K low$667K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,288 (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.$570,700 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$570,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$619,875

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
93
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyMIDDLESEX
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.No

Transaction History(4)

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 · 0.8 mi
H
Ashland High SchoolA-
High · Grades 9–12 · 1.2 mi
M
Ashland Middle SchoolA
Middle · Grades 6–8 · 2.2 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

21 Half Crown Cir 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 70% of homes in Middlesex County
  • Costs less per square foot than 95% of homes in Ashland 01721
  • Bigger than 68% of homes in Ashland 01721
  • Has a bigger lot than 96% of homes in Middlesex County
  • Newer than 88% 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
$427K$1.3M

This home is worth more than 38% 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$632,827
CheaperTypical $686,184Pricier

Pricier than 38% of homes nearby

Price per ft²$308
CheaperTypical $404Pricier

Pricier than 5% of homes nearby

Living area2,052 ft²
SmallerTypical 1,808 ft²Bigger

Bigger than 68% of homes nearby

Lot size8.6 ac
SmallerTypical 0.73 acBigger

Bigger than 77% of homes nearby

Year built1999
OlderTypical 1984Newer

Newer than 80% of homes nearby

How 21 Half Crown Cir ranks against every home in each area.
MeasureThis homeAshland 01721Middlesex County
Estimated valuepricier than$632,82738% of homes30% of homes
Price per ft²pricier than$3085% of homes11% of homes
Living areabigger than2,052 ft²68% of homes59% of homes
Lot sizebigger than8.6 ac77% of homes96% of homes
Year builtnewer than199980% of homes88% of homes

About 21 Half Crown Cir

How much is 21 Half Crown Cir, Ashland, MA worth?

The TopHap Estimate for 21 Half Crown Cir, Ashland, MA is $632,827 as of Sep 24, 2026. The likely range is $598,623 to $667,032. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Half Crown Cir, Ashland, MA last sell?

21 Half Crown Cir, Ashland, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Half Crown Cir, Ashland, MA?

21 Half Crown Cir, Ashland, MA has 2 bedrooms, 2.5 bathrooms and 2,052 square feet of living space.

When was 21 Half Crown Cir, Ashland, MA built?

21 Half Crown Cir, Ashland, MA was built in 1999, making it 27 years old. The building has 2 stories.

What schools serve 21 Half Crown Cir, Ashland, MA?

21 Half Crown Cir, Ashland, MA is assigned to Henry E Warren Elementary School (elementary); Ashland High School (high), rated A-; 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 21 Half Crown Cir, Ashland, MA compare to other homes in Ashland 01721?

Among the 6,092 homes in Ashland 01721, it is worth more than 38% of them ($632,827 against a typical $686,184), its price per square foot is higher than 5% of them ($308 against a typical $404), it is bigger than 68% of them (2,052 ft² against a typical 1,808 ft²), its lot is bigger than 77% of them (8.6 ac against a typical 0.73 ac) and it is newer than 80% of them (1999 against a typical 1984). Measured against all of Middlesex County, it is worth more than 30% 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 Half Crown Cir, Ashland, MA?

The 2025 property tax bill for 21 Half Crown Cir, Ashland, MA was $7,288. The county assessed it at $570,700.

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