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Single Family ResidenceResidential
$639,900$496 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

21 ALFRED ST

WOBURN, MA 01801
3
Beds
1.5
Baths
1,290 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$640K
$582K low$698K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,967 (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.$581,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$317,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$264,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$633,175

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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.18
ConstructionThe main material the home's frame and walls are built from.Stone
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
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(1)

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
Linscott Elementary SchoolB+
Elementary · Grades KG–5 · 0.6 mi
M
Kennedy Middle SchoolC
Middle · Grades 6–8 · 0.8 mi
H
Woburn Memorial High SchoolC+
High · Grades 9–12 · 1.4 mi

District: Woburn School District

Neighborhood · ZIP 01801These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.41,334
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,253 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,257
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$135,854
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 Alfred 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.

  • Worth less than 72% of homes in Woburn 01801
  • Smaller than 76% of homes in Middlesex County
  • Has a smaller lot than 86% of homes in North Woburn
  • Older than 82% of homes in North Woburn

What homes are worth in Woburn 01801

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

This home
$324K$1.3M

This home is worth more than 28% of homes in Woburn 01801.

How it measures up in Woburn 01801

The dot is this home. The mark in the middle is the typical home in Woburn 01801.

Estimated value$639,900
CheaperTypical $724,900Pricier

Pricier than 28% of homes nearby

Price per ft²$496
CheaperTypical $484Pricier

Pricier than 54% of homes nearby

Living area1,290 ft²
SmallerTypical 1,547 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.18 ac
SmallerTypical 0.28 acBigger

Bigger than 21% of homes nearby

Year built1920
OlderTypical 1960Newer

Newer than 20% of homes nearby

How 21 Alfred St ranks against every home in each area.
MeasureThis homeNorth WoburnWoburn 01801Middlesex County
Estimated valuepricier than$639,90033% of homes28% of homes31% of homes
Price per ft²pricier than$49659% of homes54% of homes59% of homes
Living areabigger than1,290 ft²35% of homes32% of homes24% of homes
Lot sizebigger than0.18 ac14% of homes21% of homes31% of homes
Year builtnewer than192018% of homes20% of homes25% of homes

About 21 Alfred St

How much is 21 Alfred St, Woburn, MA worth?

The TopHap Estimate for 21 Alfred St, Woburn, MA is $639,900 as of Oct 21, 2026. The likely range is $582,090 to $697,710. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Alfred St, Woburn, MA last sell?

21 Alfred St, Woburn, MA last sold on May 22, 2018, according to the county's recorded deed.

How big is 21 Alfred St, Woburn, MA?

21 Alfred St, Woburn, MA has 3 bedrooms, 1.5 bathrooms, 1,290 square feet of living space and a 0.18-acre lot.

When was 21 Alfred St, Woburn, MA built?

21 Alfred St, Woburn, MA was built in 1920, making it 106 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Alfred St, Woburn, MA?

21 Alfred St, Woburn, MA is assigned to Linscott Elementary School (elementary), rated B+; Kennedy Middle School (middle), rated C; Woburn Memorial High School (high), rated C+. All sit in Woburn School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Alfred St, Woburn, MA compare to other homes in Woburn 01801?

Among the 11,913 homes in Woburn 01801, it is worth more than 28% of them ($639,900 against a typical $724,900), its price per square foot is higher than 54% of them ($496 against a typical $484), it is bigger than 32% of them (1,290 ft² against a typical 1,547 ft²), its lot is bigger than 21% of them (0.18 ac against a typical 0.28 ac) and it is newer than 20% of them (1920 against a typical 1960). Measured against all of Middlesex County, it is worth more than 31% 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 Alfred St, Woburn, MA?

The 2025 property tax bill for 21 Alfred St, Woburn, MA was $4,967. The county assessed it at $581,600.

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