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Duplex (2 Units, Any Combination)Residential
Last sold for $430,000 on Feb 14, 2014

21 N UNION ST

BURLINGTON, VT 05401
6
Beds
2
Baths
2,422 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.
3,485 ft²
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$430,000 · Feb 14, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,003 (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.$597,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$104,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$492,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$597,300

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.28
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
3
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
52
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
10
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyCHITTENDEN
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.1988
Lot (acres)The size of the land the home sits on, from county records.0.08
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
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
Edmunds Middle SchoolB
Middle · Grades 6–8 · 0.4 mi
E
Sustainability AcademyA-
Elementary · Grades PK–5 · 0.4 mi
H
Burlington High SchoolB+
High · Grades 9–12 · 1.6 mi

District: Burlington School District

Neighborhood · ZIP 05401These 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.134
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.100

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.30,739
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,883 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,374
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,346
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.49%

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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 N 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 83% of homes in Chittenden County
  • Has a smaller lot than 97% of homes in Chittenden County
  • Older than 90% of homes in Chittenden County

How it measures up in Burlington 05401

The dot is this home. The mark in the middle is the typical home in Burlington 05401.

Living area2,422 ft²
SmallerTypical 1,716 ft²Bigger

Bigger than 77% of homes nearby

Lot size3,485 ft²
SmallerTypical 0.15 acBigger

Bigger than 16% of homes nearby

Year built1915
OlderTypical 1926Newer

Newer than 41% of homes nearby

How 21 N Union St ranks against every home in each area.
MeasureThis homeOld North EndBurlington 05401Chittenden County
Living areabigger than2,422 ft²76% of homes77% of homes83% of homes
Lot sizebigger than3,485 ft²27% of homes16% of homes3% of homes
Year builtnewer than191570% of homes41% of homes10% of homes

About 21 N Union St

When did 21 N Union St, Burlington, VT last sell?

21 N Union St, Burlington, VT last sold on Feb 14, 2014 for $430,000, according to the county's recorded deed.

How big is 21 N Union St, Burlington, VT?

21 N Union St, Burlington, VT has 6 bedrooms, 2 bathrooms, 2,422 square feet of living space and a 0.08-acre lot.

When was 21 N Union St, Burlington, VT built?

21 N Union St, Burlington, VT was built in 1915, making it 111 years old. It is a traditional/old home. The building has 3 stories.

What schools serve 21 N Union St, Burlington, VT?

21 N Union St, Burlington, VT is assigned to Edmunds Middle School (middle), rated B; Sustainability Academy (elementary), rated A-; Burlington High School (high), rated B+. All sit in Burlington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 N Union St, Burlington, VT compare to other homes in Burlington 05401?

Among the 6,112 homes in Burlington 05401, it is bigger than 77% of them (2,422 ft² against a typical 1,716 ft²), its lot is bigger than 16% of them (3,485 ft² against a typical 0.15 ac) and it is newer than 41% of them (1915 against a typical 1926). 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 N Union St, Burlington, VT?

The 2025 property tax bill for 21 N Union St, Burlington, VT was $9,003. The county assessed it at $597,300.

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