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CondominiumResidential

81 S Williams St

BURLINGTON, VT 05401
2006
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 20064 floors23 units744–2,440 ft²
$12M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$487K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$443
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+28.0%vs the Burlington ZIP median sale $/ft² ($346)

Sales Performance

$450K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-4.3%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
4
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
17.4%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+2.6%per yeartypical hold 5.0 yrsfrom 25 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20072010201320152018202220242026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20072010201320152018202220242026

44 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$336K$477K$618K$759K744 ft²1,083 ft²1,422 ft²1,762 ft²2,101 ft²2,440 ft²
1 bd2 bd3 bd4+ bd
1 bed
2 units
2 bed
19 units
3 bed
1 unit
4 bed
1 unit
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
2 bd · 2 ba · 1,100 ft²
4 units
2 bd · 1 ba · 944 ft²
3 units
2 bd · 2 ba · 1,045 ft²
3 units
2 bd · 2 ba · 1,250 ft²
2 units
One-off layouts
11 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$336K–$352K
3 units
$450K–$494K
12 units
$505K–$513K
2 units
$547K–$597K
2 units
$602K–$602K
1 unit
$661K–$679K
2 units
$759K–$759K
1 unit

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$422/ft²
Floor 2
$438/ft²
Floor 3
$464/ft²
Floor 4
$446/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·01
$496/ft²
Line ·05
$477/ft²
Line ·06
$440/ft²
Line ·03
$434/ft²
Line ·02
$428/ft²
Line ·04
$419/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.43%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.22%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.7.8 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.100%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.48%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$531,652
Median tax billThe middle annual property tax bill among the building's units.$6,084
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 303Aug 26, 2026$335,000Unit 403Jul 15, 2026$450,000Unit 205Dec 26, 2025$450,000Unit 203Dec 5, 2025$479,500Unit 202Jun 16, 2025$470,000Unit 204Aug 14, 2024$470,000Unit 307Aug 6, 2024$450,000Unit 106Jul 31, 2024$423,000Unit 103Jul 20, 2023$485,000Unit 303Mar 28, 2023$355,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyCHITTENDEN
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.Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Edmunds Elementary SchoolB+
Elementary · Grades KG–5 · 0.3 mi
M
Edmunds Middle SchoolB
Middle · Grades 6–8 · 0.3 mi
H
Burlington High SchoolB+
High · Grades 9–12 · 2.0 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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

81 S Williams St # 101
2 bd · 2 ba · 1,100 ft²
$487K
81 S Williams St # 102
2 bd · 2 ba · 1,100 ft²
$479K
81 S Williams St # 103
2 bd · 2 ba · 1,045 ft²
$481K
81 S Williams St # 104
1 bd · 1 ba · 878 ft²
$342K
81 S Williams St # 105
2 bd · 1 ba · 944 ft²
$352K
81 S Williams St # 106
2 bd · 2 ba · 1,040 ft²
$450K
81 S Williams St # 201
2 bd · 2 ba · 1,100 ft²
$489K
81 S Williams St # 202
2 bd · 2 ba · 1,100 ft²
$483K
81 S Williams St # 203
2 bd · 2 ba · 1,045 ft²
$487K
81 S Williams St # 204
2 bd · 2 ba · 1,045 ft²
$486K
81 S Williams St # 205
2 bd · 1 ba · 944 ft²
$494K
81 S Williams St # 206
2 bd · 1 ba · 1,137 ft²
$477K
81 S Williams St # 207
4 bd · 2 ba · 2,440 ft²
$759K
81 S Williams St # 301
2 bd · 2 ba · 1,085 ft²
$602K
81 S Williams St # 302
3 bd · 2 ba · 1,831 ft²
$661K
81 S Williams St # 303
1 bd · 1 ba · 744 ft²
$336K
81 S Williams St # 305
2 bd · 1 ba · 944 ft²
$505K
81 S Williams St # 306
2 bd · 2 ba · 1,097 ft²
$513K
81 S Williams St # 307
2 bd · 1 ba · 1,168 ft²
$482K
81 S Williams St # 401
2 bd · 2 ba · 1,250 ft²
$679K
81 S Williams St # 402
2 bd · 2 ba · 1,250 ft²
$597K
81 S Williams St # 403
2 bd · 2 ba · 1,252 ft²
$452K
81 S Williams St # 404
2 bd · 2 ba · 1,356 ft²
$547K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 81 S Williams St

How many units are in 81 S Williams St, Burlington, VT?

81 S Williams St, Burlington, VT has 23 residential units across 4 floors, built in 2006, according to county assessor records.

What is a unit at 81 S Williams St, Burlington, VT worth?

The median TopHap Estimate across the 23 units at 81 S Williams St, Burlington, VT is $486,743. That works out to $443 per square foot. Units run from 744 to 2,440 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 81 S Williams St, Burlington, VT expensive for Burlington?

Units at 81 S Williams St, Burlington, VT carry a median of $443 per square foot, 28% above the Burlington median of $346 per square foot.

How often do units sell at 81 S Williams St, Burlington, VT?

4 units at 81 S Williams St, Burlington, VT sold in the last 12 months, out of 44 recorded arms-length sales all time. That is a turnover rate of 17.4% of the building per year. The median sale over that period was $450K.

Have units at 81 S Williams St, Burlington, VT appreciated?

Across 25 repeat sales of the same unit, 81 S Williams St, Burlington, VT returned a median 2.6% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 5.0 years.

What floor plans does 81 S Williams St, Burlington, VT have?

The most common plan at 81 S Williams St, Burlington, VT is a 2-bedroom of 1,100 square feet, repeated 4 times, with a median estimate of $485,272. TopHap identifies 4 recurring plans in the building.

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