Skip to content
Skip to content
TopHapOpen in map
Rural ResidenceResidential
$306,778$241 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

643 COUNTY ROUTE 18

RICHVILLE, NY 13681
2
Beds
1
Baths
1,275 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.
165 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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$307K
$268K low$345K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$206,778
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$165,422
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.36%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$100,000
COMMUNITY BANK NA · recorded May 5, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,838 (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.$157,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$109,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$48,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$157,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$215,890

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
24
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
47
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
2
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.20 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountySt. Lawrence
Lot (acres)The size of the land the home sits on, from county records.165.00
HeatingThe type of heating system in the home.Forced Air
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 369 ft²

Transaction History(1)

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
Hermon-Dekalb Central SchoolB-
Elementary · Grades PK–12 · 2.0 mi

District: Hermon-Dekalb Central School District

Neighborhood · ZIP 13681These 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.88
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.109

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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
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.1,021
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.30 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,968
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$68,476
Average tempThe average temperature here across a full year.44°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

643 County Route 18 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 93% of homes in Richville 13681
  • Among the highest price per square foot in Richville 13681
  • Smaller than 68% of homes in Richville 13681
  • Among the largest lots in St. Lawrence County
  • Older than 69% of homes in St. Lawrence County

What homes are worth in Richville 13681

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

This home
$57K$353K

This home is worth more than 93% of homes in Richville 13681.

How it measures up in Richville 13681

The dot is this home. The mark in the middle is the typical home in Richville 13681.

Estimated value$306,778
CheaperTypical $144,203Pricier

Pricier than 93% of homes nearby

Price per ft²$241
CheaperTypical $94Pricier

Pricier than almost all homes nearby

Living area1,275 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 32% of homes nearby

Lot size165 ac
SmallerTypical 2.6 acBigger

Bigger than 93% of homes nearby

Year built1920
OlderTypical 1950Newer

Newer than 45% of homes nearby

How 643 County Route 18 ranks against every home in each area.
MeasureThis homeRichville 13681St. Lawrence County
Estimated valuepricier than$306,77893% of homes91% of homes
Price per ft²pricier than$241almost all homes97% of homes
Living areabigger than1,275 ft²32% of homes43% of homes
Lot sizebigger than165 ac93% of homesalmost all homes
Year builtnewer than192045% of homes31% of homes

About 643 County Route 18

How much is 643 County Route 18, Richville, NY worth?

The TopHap Estimate for 643 County Route 18, Richville, NY is $306,778 as of Jul 14, 2026. The likely range is $268,455 to $345,101. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 643 County Route 18, Richville, NY?

643 County Route 18, Richville, NY has 2 bedrooms, 1 bathrooms, 1,275 square feet of living space and a 165.00-acre lot.

When was 643 County Route 18, Richville, NY built?

643 County Route 18, Richville, NY was built in 1920, making it 106 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 643 County Route 18, Richville, NY?

643 County Route 18, Richville, NY is assigned to Hermon-Dekalb Central School (elementary), rated B-. All sit in Hermon-Dekalb Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 County Route 18, Richville, NY compare to other homes in Richville 13681?

Among the 388 homes in Richville 13681, it is worth more than 93% of them ($306,778 against a typical $144,203), its price per square foot is higher than almost all of them ($241 against a typical $94), it is bigger than 32% of them (1,275 ft² against a typical 1,512 ft²), its lot is bigger than 93% of them (165 ac against a typical 2.6 ac) and it is newer than 45% of them (1920 against a typical 1950). Measured against all of St. Lawrence County, it is worth more than 91% 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 643 County Route 18, Richville, NY?

The 2024 property tax bill for 643 County Route 18, Richville, NY was $2,838. The county assessed it at $157,600.

More homes on County Route 18

Closest homes

More homes in Richville 13681

Assigned schools

Explore the area

See this home in context

Open 643 County Route 18 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