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Duplex (2 Units, Any Combination)Residential

33 UNION ST

WOBURN, MA 01801
4
Beds
2
Baths
3,260 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1850
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
16
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,554 (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.$650,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$253,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$396,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$628,000

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.23 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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.12
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.Steam
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

H
Woburn Memorial High SchoolB-
High · Grades 9–12 · 0.3 mi
E
Malcolm White Elementary SchoolC
Elementary · Grades KG–5 · 0.5 mi
M
Kennedy Middle SchoolC
Middle · Grades 6–8 · 0.8 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

33 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.

  • Bigger than 96% of homes in Woburn 01801
  • Has a smaller lot than 95% of homes in Woburn 01801
  • Older than 98% 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.

Living area3,260 ft²
SmallerTypical 1,544 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.12 ac
SmallerTypical 0.28 acBigger

Bigger than 5% of homes nearby

Year built1850
OlderTypical 1960Newer

Newer than 2% of homes nearby

How 33 Union St ranks against every home in each area.
MeasureThis homeDowntown WoburnWoburn 01801Middlesex County
Living areabigger than3,260 ft²95% of homes96% of homes89% of homes
Lot sizebigger than0.12 ac10% of homes5% of homes17% of homes
Year builtnewer than18505% of homes2% of homes2% of homes

About 33 Union St

When did 33 Union St, Woburn, MA last sell?

33 Union St, Woburn, MA last sold on Feb 13, 1968, according to the county's recorded deed.

How big is 33 Union St, Woburn, MA?

33 Union St, Woburn, MA has 4 bedrooms, 2 bathrooms, 3,260 square feet of living space and a 0.12-acre lot.

When was 33 Union St, Woburn, MA built?

33 Union St, Woburn, MA was built in 1850, making it 176 years old. It is a duplex single home. The building has 3 stories.

What schools serve 33 Union St, Woburn, MA?

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

How does 33 Union St, Woburn, MA compare to other homes in Woburn 01801?

Among the 11,913 homes in Woburn 01801, it is bigger than 96% of them (3,260 ft² against a typical 1,544 ft²), its lot is bigger than 5% of them (0.12 ac against a typical 0.28 ac) and it is newer than 2% of them (1850 against a typical 1960). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 33 Union St, Woburn, MA?

The 2025 property tax bill for 33 Union St, Woburn, MA was $5,554. The county assessed it at $650,300.

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