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CondominiumResidential
$399,112$256 / 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 86How 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
Last sold for $355,000 on Dec 20, 2024

18 SYLVAN RDG

ROCKFALL, CT 06481
3
Beds
3.5
Baths
1,556 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.
713 ft²
Lot SizeThe size of the land the home sits on, from county records.
1985
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

$399K
$345K low$453K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$355,000 · Dec 20, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,152 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$172,900 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$172,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$174,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$121,030

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
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.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
39
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyLOWER CONNECTICUT RIVER VALLEY
Lot (acres)The size of the land the home sits on, from county records.0.02
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.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.Deck

Transaction History(9)

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
John Lyman Elementary SchoolC+
Elementary · Grades KG–4 · 2.4 mi
M
Frank Ward Strong Middle SchoolB-
Middle · Grades 7–8 · 4.9 mi
H
Coginchaug Regional High SchoolB
High · Grades 9–12 · 5.0 mi

District: Regional School District 13

Neighborhood · ZIP 06481These 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.30
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.64

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.584
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.325 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,572
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,531
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

18 Sylvan Rdg 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 Lower Connecticut River Valley County
  • Costs less per square foot than 69% of homes in Lower Connecticut River Valley County
  • Has a smaller lot than 98% of homes in Lower Connecticut River Valley County
  • Newer than 81% of homes in Rockfall 06481

What homes are worth in Rockfall 06481

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

This home
$248K$717K

This home is worth more than 54% of homes in Rockfall 06481.

How it measures up in Rockfall 06481

The dot is this home. The mark in the middle is the typical home in Rockfall 06481.

Estimated value$399,112
CheaperTypical $387,968Pricier

Pricier than 54% of homes nearby

Price per ft²$256
CheaperTypical $246Pricier

Pricier than 57% of homes nearby

Living area1,556 ft²
SmallerTypical 1,606 ft²Bigger

Bigger than 45% of homes nearby

Lot size713 ft²
SmallerTypical 0.73 acBigger

Bigger than 4% of homes nearby

Year built1985
OlderTypical 1958Newer

Newer than 81% of homes nearby

How 18 Sylvan Rdg ranks against every home in each area.
MeasureThis homeRockfall 06481Lower Connecticut River Valley County
Estimated valuepricier than$399,11254% of homes29% of homes
Price per ft²pricier than$25657% of homes31% of homes
Living areabigger than1,556 ft²45% of homes46% of homes
Lot sizebigger than713 ft²4% of homes2% of homes
Year builtnewer than198581% of homes68% of homes

About 18 Sylvan Rdg

How much is 18 Sylvan Rdg, Rockfall, CT worth?

The TopHap Estimate for 18 Sylvan Rdg, Rockfall, CT is $399,112 as of Jul 14, 2026. The likely range is $345,118 to $453,106. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Sylvan Rdg, Rockfall, CT last sell?

18 Sylvan Rdg, Rockfall, CT last sold on Dec 20, 2024 for $355,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 18 Sylvan Rdg, Rockfall, CT?

18 Sylvan Rdg, Rockfall, CT has 3 bedrooms, 3.5 bathrooms, 1,556 square feet of living space and a 0.02-acre lot.

When was 18 Sylvan Rdg, Rockfall, CT built?

18 Sylvan Rdg, Rockfall, CT was built in 1985, making it 41 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 18 Sylvan Rdg, Rockfall, CT?

18 Sylvan Rdg, Rockfall, CT is assigned to John Lyman Elementary School (elementary), rated C+; Frank Ward Strong Middle School (middle), rated B-; Coginchaug Regional High School (high), rated B. All sit in Regional School District 13. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Sylvan Rdg, Rockfall, CT compare to other homes in Rockfall 06481?

Among the 477 homes in Rockfall 06481, it is worth more than 54% of them ($399,112 against a typical $387,968), its price per square foot is higher than 57% of them ($256 against a typical $246), it is bigger than 45% of them (1,556 ft² against a typical 1,606 ft²), its lot is bigger than 4% of them (713 ft² against a typical 0.73 ac) and it is newer than 81% of them (1985 against a typical 1958). Measured against all of Lower Connecticut River Valley 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.

What are the property taxes on 18 Sylvan Rdg, Rockfall, CT?

The 2025 property tax bill for 18 Sylvan Rdg, Rockfall, CT was $5,152. The county assessed it at $172,900.

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