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CondominiumResidential
$396,824$314 / 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 92How 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 $215,000 on Jan 21, 2005

311 UNION ST

ASHLAND, MA 01721
3
Beds
1
Baths
1,262 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
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

$397K
$364K low$430K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$215,000 · Jan 21, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,803 (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.$297,800 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$297,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$382,280

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.20 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
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.2005
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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.

M
Ashland Middle SchoolA
Middle · Grades 6–8 · 0.7 mi
H
Ashland High SchoolA-
High · Grades 9–12 · 0.9 mi
E
Henry E Warren Elementary School
Elementary · Grades KG–2 · 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

311 Union St 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.

  • Among the least valuable homes in Ashland 01721
  • Costs less per square foot than 94% of homes in Ashland 01721
  • Smaller than 85% of homes in Ashland 01721
  • Has a smaller lot than 92% of homes in Ashland 01721
  • Older than 92% 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
$428K$1.3M

This home is worth less than almost all 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$396,824
CheaperTypical $684,541Pricier

Cheaper than almost all homes nearby

Price per ft²$314
CheaperTypical $403Pricier

Pricier than 6% of homes nearby

Living area1,262 ft²
SmallerTypical 1,799 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.27 ac
SmallerTypical 0.73 acBigger

Bigger than 8% of homes nearby

Year built1945
OlderTypical 1984Newer

Newer than 8% of homes nearby

How 311 Union St ranks against every home in each area.
MeasureThis homeAshland 01721Middlesex County
Estimated valuepricier than$396,824almost no homes7% of homes
Price per ft²pricier than$3146% of homes12% of homes
Living areabigger than1,262 ft²15% of homes23% of homes
Lot sizebigger than0.27 ac8% of homes45% of homes
Year builtnewer than19458% of homes37% of homes

About 311 Union St

How much is 311 Union St, Ashland, MA worth?

The TopHap Estimate for 311 Union St, Ashland, MA is $396,824 as of Sep 24, 2026. The likely range is $363,860 to $429,788. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 311 Union St, Ashland, MA last sell?

311 Union St, Ashland, MA last sold on Jan 21, 2005 for $215,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 311 Union St, Ashland, MA?

311 Union St, Ashland, MA has 3 bedrooms, 1 bathrooms and 1,262 square feet of living space.

When was 311 Union St, Ashland, MA built?

311 Union St, Ashland, MA was built in 1945, making it 81 years old. The building has 1 story.

What schools serve 311 Union St, Ashland, MA?

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

How does 311 Union St, Ashland, MA compare to other homes in Ashland 01721?

Among the 6,092 homes in Ashland 01721, it is worth more than almost none of them ($396,824 against a typical $684,541), its price per square foot is higher than 6% of them ($314 against a typical $403), it is bigger than 15% of them (1,262 ft² against a typical 1,799 ft²), its lot is bigger than 8% of them (0.27 ac against a typical 0.73 ac) and it is newer than 8% of them (1945 against a typical 1984). Measured against all of Middlesex County, it is worth more than 7% 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 311 Union St, Ashland, MA?

The 2025 property tax bill for 311 Union St, Ashland, MA was $3,803. The county assessed it at $297,800.

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