Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$182,979$162 / 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 87How 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

521 RIVER ST

CASTLETON, VT 05735
3
Beds
1
Baths
1,127 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.
0.76 ac
Lot SizeThe size of the land the home sits on, from county records.
1875
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

$183K
$159K low$207K 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.$182,979
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$146,383

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,188 (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.$140,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$63,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$77,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$86,400

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.37
10
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.
60
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.
20
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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyRUTLAND
Lot (acres)The size of the land the home sits on, from county records.0.76
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
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.Elevator

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

H
Fair Haven Union High SchoolD
High · Grades 9–12 · 1.7 mi
E
Castleton Elementary SchoolB+
Elementary · Grades PK–5 · 2.3 mi
M
Castleton Village School
Middle · Grades 6–8 · 3.4 mi

District: Slate Valley Unified Union School District

Neighborhood · ZIP 05735These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.72

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.73%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
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.0.6%
PopulationHow many people live in this area.4,686
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.84 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,241
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,634
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.49%

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

521 River 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 88% of homes in Castleton 05735
  • Costs less per square foot than 78% of homes in Castleton 05735
  • Smaller than 77% of homes in Rutland County
  • Older than 90% of homes in Castleton 05735

What homes are worth in Castleton 05735

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

This home
$117K$903K

This home is worth more than 12% of homes in Castleton 05735.

How it measures up in Castleton 05735

The dot is this home. The mark in the middle is the typical home in Castleton 05735.

Estimated value$182,979
CheaperTypical $306,420Pricier

Pricier than 12% of homes nearby

Price per ft²$162
CheaperTypical $233Pricier

Pricier than 22% of homes nearby

Living area1,127 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.76 ac
SmallerTypical 1.17 acBigger

Bigger than 39% of homes nearby

Year built1875
OlderTypical 1973Newer

Newer than 10% of homes nearby

How 521 River St ranks against every home in each area.
MeasureThis homeCastleton 05735Rutland County
Estimated valuepricier than$182,97912% of homes14% of homes
Price per ft²pricier than$16222% of homes31% of homes
Living areabigger than1,127 ft²30% of homes23% of homes
Lot sizebigger than0.76 ac39% of homes44% of homes
Year builtnewer than187510% of homes11% of homes

About 521 River St

How much is 521 River St, Castleton, VT worth?

The TopHap Estimate for 521 River St, Castleton, VT is $182,979 as of Jul 14, 2026. The likely range is $159,189 to $206,769. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 River St, Castleton, VT last sell?

521 River St, Castleton, VT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 521 River St, Castleton, VT?

521 River St, Castleton, VT has 3 bedrooms, 1 bathrooms, 1,127 square feet of living space and a 0.76-acre lot.

When was 521 River St, Castleton, VT built?

521 River St, Castleton, VT was built in 1875, making it 151 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 521 River St, Castleton, VT?

521 River St, Castleton, VT is assigned to Fair Haven Union High School (high), rated D; Castleton Elementary School (elementary), rated B+; Castleton Village School (middle). All sit in Slate Valley Unified Union School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 River St, Castleton, VT compare to other homes in Castleton 05735?

Among the 2,852 homes in Castleton 05735, it is worth more than 12% of them ($182,979 against a typical $306,420), its price per square foot is higher than 22% of them ($162 against a typical $233), it is bigger than 30% of them (1,127 ft² against a typical 1,404 ft²), its lot is bigger than 39% of them (0.76 ac against a typical 1.17 ac) and it is newer than 10% of them (1875 against a typical 1973). Measured against all of Rutland County, it is worth more than 14% 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 521 River St, Castleton, VT?

The 2024 property tax bill for 521 River St, Castleton, VT was $2,188. The county assessed it at $140,300.

More homes on River St

Closest homes

More homes in Castleton 05735

Assigned schools

Explore the area

See this home in context

Open 521 River St 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