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Single Family ResidenceResidential
$333,156$182 / 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

123 PROSPECT ST

BALLSTON SPA, NY 12020
4
Beds
2 / 1
Baths
1,832 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.
0.59 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$333K
$314K low$352K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,823 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$195,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$167,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$195,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$309,524

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
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
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.

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.Split Level
CountySaratoga
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.2000
Lot (acres)The size of the land the home sits on, from county records.0.59
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 150 ft²

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.

E
Gordon Creek Elementary SchoolB+
Elementary · Grades KG–5 · 0.7 mi
M
Ballston Spa Middle SchoolA-
Middle · Grades 6–8 · 1.1 mi
H
Ballston Spa Senior High SchoolB
High · Grades 9–12 · 1.2 mi

District: Ballston Spa Central School District

Neighborhood · ZIP 12020These 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.95
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 100.70

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.33,843
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.439 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,289
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$120,349
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

123 Prospect 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 75% of homes in Saratoga County
  • Costs less per square foot than 93% of homes in Ballston Spa 12020
  • Older than 76% of homes in Ballston Spa 12020

What homes are worth in Ballston Spa 12020

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

This home
$205K$913K

This home is worth more than 27% of homes in Ballston Spa 12020.

How it measures up in Ballston Spa 12020

The dot is this home. The mark in the middle is the typical home in Ballston Spa 12020.

Estimated value$333,156
CheaperTypical $415,130Pricier

Pricier than 27% of homes nearby

Price per ft²$182
CheaperTypical $248Pricier

Pricier than 7% of homes nearby

Living area1,832 ft²
SmallerTypical 1,731 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.59 ac
SmallerTypical 0.46 acBigger

Bigger than 63% of homes nearby

Year built1966
OlderTypical 1986Newer

Newer than 24% of homes nearby

How 123 Prospect St ranks against every home in each area.
MeasureThis homeBallston Spa 12020Saratoga County
Estimated valuepricier than$333,15627% of homes25% of homes
Price per ft²pricier than$1827% of homes11% of homes
Living areabigger than1,832 ft²58% of homes53% of homes
Lot sizebigger than0.59 ac63% of homes59% of homes
Year builtnewer than196624% of homes29% of homes

About 123 Prospect St

How much is 123 Prospect St, Ballston Spa, NY worth?

The TopHap Estimate for 123 Prospect St, Ballston Spa, NY is $333,156 as of Sep 24, 2026. The likely range is $314,106 to $352,206. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 123 Prospect St, Ballston Spa, NY?

123 Prospect St, Ballston Spa, NY has 4 bedrooms, 2 bathrooms, 1,832 square feet of living space and a 0.59-acre lot.

When was 123 Prospect St, Ballston Spa, NY built?

123 Prospect St, Ballston Spa, NY was built in 1966, making it 60 years old. It is a split level home. The building has 2 stories.

What schools serve 123 Prospect St, Ballston Spa, NY?

123 Prospect St, Ballston Spa, NY is assigned to Gordon Creek Elementary School (elementary), rated B+; Ballston Spa Middle School (middle), rated A-; Ballston Spa Senior High School (high), rated B. All sit in Ballston Spa Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 123 Prospect St, Ballston Spa, NY compare to other homes in Ballston Spa 12020?

Among the 10,595 homes in Ballston Spa 12020, it is worth more than 27% of them ($333,156 against a typical $415,130), its price per square foot is higher than 7% of them ($182 against a typical $248), it is bigger than 58% of them (1,832 ft² against a typical 1,731 ft²), its lot is bigger than 63% of them (0.59 ac against a typical 0.46 ac) and it is newer than 24% of them (1966 against a typical 1986). Measured against all of Saratoga County, it is worth more than 25% 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 123 Prospect St, Ballston Spa, NY?

The 2024 property tax bill for 123 Prospect St, Ballston Spa, NY was $4,823. The county assessed it at $195,000.

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