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Single Family ResidenceResidential
$658,366$272 / 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 Aug 30, 2026
Last sold for $408,000 on Nov 17, 2014

21 IRIS LN

SOUTH BURLINGTON, VT 05403
4
Beds
2.5
Baths
2,420 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$658K
$612K low$705K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$408,000 · Nov 17, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,770 (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.$469,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$61,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$407,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$469,400

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.30
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
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.
75
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyCHITTENDEN
Lot (acres)The size of the land the home sits on, from county records.0.22
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Steam
FireplaceWhether the home has a fireplace, and what kind.Yes
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(2)

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 · 0.7 mi
M
Frederick H. Tuttle Middle SchoolA+
Middle · Grades 6–8 · 0.8 mi
E
Rick Marcotte Central SchoolA-
Elementary · Grades PK–5 · 1.5 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%

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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 Iris Ln 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 75% of homes in Chittenden County
  • Costs less per square foot than 79% of homes in South Burlington 05403
  • Bigger than 83% of homes in Chittenden County
  • Has a smaller lot than 75% of homes in Chittenden County
  • Newer than 68% 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
$262K$1.2M

This home is worth more than 73% 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$658,366
CheaperTypical $487,559Pricier

Pricier than 73% of homes nearby

Price per ft²$272
CheaperTypical $305Pricier

Pricier than 21% of homes nearby

Living area2,420 ft²
SmallerTypical 1,536 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.22 ac
SmallerTypical 0.23 acBigger

Bigger than 46% of homes nearby

Year built1989
OlderTypical 1983Newer

Newer than 64% of homes nearby

How 21 Iris Ln ranks against every home in each area.
MeasureThis homeSouth Burlington 05403Chittenden County
Estimated valuepricier than$658,36673% of homes75% of homes
Price per ft²pricier than$27221% of homes23% of homes
Living areabigger than2,420 ft²82% of homes83% of homes
Lot sizebigger than0.22 ac46% of homes25% of homes
Year builtnewer than198964% of homes68% of homes

About 21 Iris Ln

How much is 21 Iris Ln, South Burlington, VT worth?

The TopHap Estimate for 21 Iris Ln, South Burlington, VT is $658,366 as of Aug 30, 2026. The likely range is $611,837 to $704,895. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Iris Ln, South Burlington, VT last sell?

21 Iris Ln, South Burlington, VT last sold on Nov 17, 2014 for $408,000, according to the county's recorded deed.

How big is 21 Iris Ln, South Burlington, VT?

21 Iris Ln, South Burlington, VT has 4 bedrooms, 2.5 bathrooms, 2,420 square feet of living space and a 0.22-acre lot.

When was 21 Iris Ln, South Burlington, VT built?

21 Iris Ln, South Burlington, VT was built in 1989, making it 37 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Iris Ln, South Burlington, VT?

21 Iris Ln, 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 Iris Ln, 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 73% of them ($658,366 against a typical $487,559), its price per square foot is higher than 21% of them ($272 against a typical $305), it is bigger than 82% of them (2,420 ft² against a typical 1,536 ft²), its lot is bigger than 46% of them (0.22 ac against a typical 0.23 ac) and it is newer than 64% of them (1989 against a typical 1983). Measured against all of Chittenden County, it is worth more than 75% 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 Iris Ln, South Burlington, VT?

The 2025 property tax bill for 21 Iris Ln, South Burlington, VT was $7,770. The county assessed it at $469,400.

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