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CondominiumResidential
$684,345$297 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $555,000 on Mar 31, 2023

21 BLACK DOG DR

SOUTH BURLINGTON, VT 05403
3
Beds
2.5
Baths
2,306 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.
2016
Year BuiltThe year the home was originally built, according to county records.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$684K
$639K low$729K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$555,000 · Mar 31, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,168 (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.$519,800 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$519,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$519,800

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.34
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
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.
78
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 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
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyCHITTENDEN
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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(3)

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
South Burlington High SchoolA+
High · Grades 9–12 · 2.6 mi
M
Frederick H. Tuttle Middle SchoolA+
Middle · Grades 6–8 · 2.7 mi
E
Rick Marcotte Central SchoolA-
Elementary · Grades PK–5 · 3.5 mi

District: South Burlington School District

Neighborhood · ZIP 05403These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.96

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.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.19,965
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,192 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,551
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,891
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.49%

Owner Tools

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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 Black Dog Dr 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 more than 79% of homes in Chittenden County
  • Bigger than 79% of homes in South Burlington 05403
  • Newer than 96% of homes in Chittenden County

What homes are worth in South Burlington 05403

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

This home
$246K$1.2M

This home is worth more than 77% of homes in South Burlington 05403.

How it measures up in South Burlington 05403

The dot is this home. The mark in the middle is the typical home in South Burlington 05403.

Estimated value$684,345
CheaperTypical $466,683Pricier

Pricier than 77% of homes nearby

Price per ft²$297
CheaperTypical $297Pricier

Pricier than 49% of homes nearby

Living area2,306 ft²
SmallerTypical 1,533 ft²Bigger

Bigger than 79% of homes nearby

Year built2016
OlderTypical 1983Newer

Newer than 95% of homes nearby

How 21 Black Dog Dr ranks against every home in each area.
MeasureThis homeSouth Burlington 05403Chittenden County
Estimated valuepricier than$684,34577% of homes79% of homes
Price per ft²pricier than$29749% of homes44% of homes
Living areabigger than2,306 ft²79% of homes79% of homes
Year builtnewer than201695% of homes96% of homes

About 21 Black Dog Dr

How much is 21 Black Dog Dr, South Burlington, VT worth?

The TopHap Estimate for 21 Black Dog Dr, South Burlington, VT is $684,345 as of Jul 14, 2026. The likely range is $639,444 to $729,246. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Black Dog Dr, South Burlington, VT last sell?

21 Black Dog Dr, South Burlington, VT last sold on Mar 31, 2023 for $555,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Black Dog Dr, South Burlington, VT?

21 Black Dog Dr, South Burlington, VT has 3 bedrooms, 2.5 bathrooms and 2,306 square feet of living space.

When was 21 Black Dog Dr, South Burlington, VT built?

21 Black Dog Dr, South Burlington, VT was built in 2016, making it 10 years old. It is a condo/apartment home.

What schools serve 21 Black Dog Dr, South Burlington, VT?

21 Black Dog Dr, South Burlington, VT is assigned to South Burlington High School (high), rated A+; Frederick H. Tuttle Middle School (middle), rated A+; Rick Marcotte Central School (elementary), rated A-. All sit in South Burlington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Black Dog Dr, South Burlington, VT compare to other homes in South Burlington 05403?

Among the 7,244 homes in South Burlington 05403, it is worth more than 77% of them ($684,345 against a typical $466,683), its price per square foot is higher than 49% of them ($297 against a typical $297), it is bigger than 79% of them (2,306 ft² against a typical 1,533 ft²) and it is newer than 95% of them (2016 against a typical 1983). Measured against all of Chittenden County, it is worth more than 79% 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 Black Dog Dr, South Burlington, VT?

The 2025 property tax bill for 21 Black Dog Dr, South Burlington, VT was $8,168. The county assessed it at $519,800.

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