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Single Family ResidenceResidential
$264,846$110 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $226,500 on Dec 20, 2023

20 WILLIAM ST

GLENS FALLS, NY 12801
3
Beds
3 / 1
Baths
2,416 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$265K
$250K low$279K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$226,500 · Dec 20, 2023

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$177,900 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$144,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$169,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$190,247

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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Traditional/Old
CountyWarren
Lot (acres)The size of the land the home sits on, from county records.0.23
HeatingThe type of heating system in the home.Forced Air
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.Porch · 93 ft²

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.

Foreclosure Filings(2)

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

E
Jackson Heights SchoolC
Elementary · Grades PK–4 · 0.5 mi
H
Glens Falls Senior High SchoolB
High · Grades 9–12 · 0.8 mi
M
Glens Falls Middle SchoolB
Middle · Grades 5–8 · 0.8 mi

District: Glens Falls City School District

Neighborhood · ZIP 12801These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.14,665
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,622 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,665
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,457
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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

20 William 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.

  • Worth less than 71% of homes in Warren County
  • Costs less per square foot than 98% of homes in Glens Falls 12801
  • Bigger than 88% of homes in Glens Falls 12801
  • Has a smaller lot than 75% of homes in Warren County
  • Older than 86% of homes in Warren County

What homes are worth in Glens Falls 12801

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

This home
$152K$576K

This home is worth more than 56% of homes in Glens Falls 12801.

How it measures up in Glens Falls 12801

The dot is this home. The mark in the middle is the typical home in Glens Falls 12801.

Estimated value$264,846
CheaperTypical $255,757Pricier

Pricier than 56% of homes nearby

Price per ft²$110
CheaperTypical $178Pricier

Pricier than 2% of homes nearby

Living area2,416 ft²
SmallerTypical 1,546 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.23 ac
SmallerTypical 0.18 acBigger

Bigger than 74% of homes nearby

Year built1920
OlderTypical 1925Newer

Newer than 47% of homes nearby

How 20 William St ranks against every home in each area.
MeasureThis homeGlens Falls 12801Warren County
Estimated valuepricier than$264,84656% of homes29% of homes
Price per ft²pricier than$1102% of homes3% of homes
Living areabigger than2,416 ft²88% of homes86% of homes
Lot sizebigger than0.23 ac74% of homes25% of homes
Year builtnewer than192047% of homes14% of homes

About 20 William St

How much is 20 William St, Glens Falls, NY worth?

The TopHap Estimate for 20 William St, Glens Falls, NY is $264,846 as of Sep 24, 2026. The likely range is $250,223 to $279,469. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 William St, Glens Falls, NY last sell?

20 William St, Glens Falls, NY last sold on Dec 20, 2023 for $226,500, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 20 William St, Glens Falls, NY?

20 William St, Glens Falls, NY has 3 bedrooms, 3 bathrooms, 2,416 square feet of living space and a 0.23-acre lot.

When was 20 William St, Glens Falls, NY built?

20 William St, Glens Falls, NY was built in 1920, making it 106 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 20 William St, Glens Falls, NY?

20 William St, Glens Falls, NY is assigned to Jackson Heights School (elementary), rated C; Glens Falls Senior High School (high), rated B; Glens Falls Middle School (middle), rated B. All sit in Glens Falls City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 William St, Glens Falls, NY compare to other homes in Glens Falls 12801?

Among the 4,633 homes in Glens Falls 12801, it is worth more than 56% of them ($264,846 against a typical $255,757), its price per square foot is higher than 2% of them ($110 against a typical $178), it is bigger than 88% of them (2,416 ft² against a typical 1,546 ft²), its lot is bigger than 74% of them (0.23 ac against a typical 0.18 ac) and it is newer than 47% of them (1920 against a typical 1925). Measured against all of Warren County, it is worth more than 29% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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