Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$68,100$45 / 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 90How 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

290 COUNTY ROUTE 17A

WILLIAMSTOWN, NY 13493
2
Beds
1
Baths
1,519 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.
2 ac
Lot SizeThe size of the land the home sits on, from county records.
1880
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$68K
$62K low$75K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,711 (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.$50,900 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$35,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$50,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$78,308

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.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
10
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
55
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
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.Traditional/Old
CountyOswego
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.1950
Lot (acres)The size of the land the home sits on, from county records.2.00
HeatingThe type of heating system in the home.Forced Air
PoolWhether the property has a pool, and what kind, such as in-ground.Above-Ground Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 444 ft²

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

E
Altmar-Parish-Williamstown Elementary SchoolC-
Elementary · Grades PK–6 · 9.2 mi
M
Altmar-Parish-Williamstown Jr/Sr High SchoolD-
Middle · Grades 7–12 · 9.3 mi

District: Altmar-Parish-Williamstown Central School District

Neighborhood · ZIP 13493These 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.155
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.64%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.2,018
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.28 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,905
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$70,049
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

Owner Tools

Do you own this home?
Claim this home

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

290 County Route 17a 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 97% of homes in Oswego County
  • Costs less per square foot than 98% of homes in Oswego County
  • Bigger than 69% of homes in Williamstown 13493
  • Has a smaller lot than 70% of homes in Williamstown 13493
  • Older than 92% of homes in Williamstown 13493

What homes are worth in Williamstown 13493

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

This home
$56K$450K

This home is worth more than 5% of homes in Williamstown 13493.

How it measures up in Williamstown 13493

The dot is this home. The mark in the middle is the typical home in Williamstown 13493.

Estimated value$68,100
CheaperTypical $160,614Pricier

Pricier than 5% of homes nearby

Price per ft²$45
CheaperTypical $113Pricier

Pricier than 6% of homes nearby

Living area1,519 ft²
SmallerTypical 1,248 ft²Bigger

Bigger than 69% of homes nearby

Lot size2 ac
SmallerTypical 5.01 acBigger

Bigger than 30% of homes nearby

Year built1880
OlderTypical 1988Newer

Newer than 8% of homes nearby

How 290 County Route 17a ranks against every home in each area.
MeasureThis homeWilliamstown 13493Oswego County
Estimated valuepricier than$68,1005% of homes3% of homes
Price per ft²pricier than$456% of homes2% of homes
Living areabigger than1,519 ft²69% of homes54% of homes
Lot sizebigger than2 ac30% of homes64% of homes
Year builtnewer than18808% of homes9% of homes

About 290 County Route 17a

How much is 290 County Route 17a, Williamstown, NY worth?

The TopHap Estimate for 290 County Route 17a, Williamstown, NY is $68,100 as of Aug 30, 2026. The likely range is $61,532 to $74,668. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 290 County Route 17a, Williamstown, NY last sell?

290 County Route 17a, Williamstown, NY last sold on Jul 2, 2002, according to the county's recorded deed.

How big is 290 County Route 17a, Williamstown, NY?

290 County Route 17a, Williamstown, NY has 2 bedrooms, 1 bathrooms, 1,519 square feet of living space and a 2.00-acre lot.

When was 290 County Route 17a, Williamstown, NY built?

290 County Route 17a, Williamstown, NY was built in 1880, making it 146 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 290 County Route 17a, Williamstown, NY?

290 County Route 17a, Williamstown, NY is assigned to Altmar-Parish-Williamstown Elementary School (elementary), rated C-; Altmar-Parish-Williamstown Jr/Sr High School (middle), rated D-. All sit in Altmar-Parish-Williamstown Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 290 County Route 17a, Williamstown, NY compare to other homes in Williamstown 13493?

Among the 1,081 homes in Williamstown 13493, it is worth more than 5% of them ($68,100 against a typical $160,614), its price per square foot is higher than 6% of them ($45 against a typical $113), it is bigger than 69% of them (1,519 ft² against a typical 1,248 ft²), its lot is bigger than 30% of them (2 ac against a typical 5.01 ac) and it is newer than 8% of them (1880 against a typical 1988). Measured against all of Oswego County, it is worth more than 3% 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 290 County Route 17a, Williamstown, NY?

The 2024 property tax bill for 290 County Route 17a, Williamstown, NY was $1,711. The county assessed it at $50,900.

More homes on County Route 17a

Closest homes

More homes in Williamstown 13493

Assigned schools

Explore the area

See this home in context

Open 290 County Route 17a on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map