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Single Family ResidenceResidential
$550,193$179 / 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 85How 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

17 DERBY RD

ROCKFALL, CT 06481
5
Beds
2
Baths
3,082 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.
2.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$550K
$469K low$631K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,408 (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.$315,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$234,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$315,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$220,990

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.
18
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyLOWER CONNECTICUT RIVER VALLEY
Lot (acres)The size of the land the home sits on, from county records.2.12
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
John Lyman Elementary SchoolC+
Elementary · Grades KG–4 · 1.6 mi
M
Frank Ward Strong Middle SchoolB-
Middle · Grades 7–8 · 3.9 mi
H
Coginchaug Regional High SchoolB
High · Grades 9–12 · 4.0 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

17 Derby Rd 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 88% of homes in Rockfall 06481
  • Costs less per square foot than 97% of homes in Lower Connecticut River Valley County
  • Bigger than 95% of homes in Rockfall 06481
  • Has a bigger lot than 91% of homes in Rockfall 06481
  • Older than 92% of homes in Lower Connecticut River Valley County

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
$237K$740K

This home is worth more than 88% 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$550,193
CheaperTypical $396,662Pricier

Pricier than 88% of homes nearby

Price per ft²$179
CheaperTypical $250Pricier

Pricier than 4% of homes nearby

Living area3,082 ft²
SmallerTypical 1,609 ft²Bigger

Bigger than 95% of homes nearby

Lot size2.12 ac
SmallerTypical 0.71 acBigger

Bigger than 91% of homes nearby

Year built1900
OlderTypical 1958Newer

Newer than 12% of homes nearby

How 17 Derby Rd ranks against every home in each area.
MeasureThis homeRockfall 06481Lower Connecticut River Valley County
Estimated valuepricier than$550,19388% of homes60% of homes
Price per ft²pricier than$1794% of homes3% of homes
Living areabigger than3,082 ft²95% of homes93% of homes
Lot sizebigger than2.12 ac91% of homes82% of homes
Year builtnewer than190012% of homes8% of homes

About 17 Derby Rd

How much is 17 Derby Rd, Rockfall, CT worth?

The TopHap Estimate for 17 Derby Rd, Rockfall, CT is $550,193 as of Aug 30, 2026. The likely range is $469,409 to $630,977. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17 Derby Rd, Rockfall, CT last sell?

17 Derby Rd, Rockfall, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 17 Derby Rd, Rockfall, CT?

17 Derby Rd, Rockfall, CT has 5 bedrooms, 2 bathrooms, 3,082 square feet of living space and a 2.12-acre lot.

When was 17 Derby Rd, Rockfall, CT built?

17 Derby Rd, Rockfall, CT was built in 1900, making it 126 years old. It is a colonial home. The building has 2 stories.

What schools serve 17 Derby Rd, Rockfall, CT?

17 Derby Rd, 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 17 Derby Rd, Rockfall, CT compare to other homes in Rockfall 06481?

Among the 477 homes in Rockfall 06481, it is worth more than 88% of them ($550,193 against a typical $396,662), its price per square foot is higher than 4% of them ($179 against a typical $250), it is bigger than 95% of them (3,082 ft² against a typical 1,609 ft²), its lot is bigger than 91% of them (2.12 ac against a typical 0.71 ac) and it is newer than 12% of them (1900 against a typical 1958). Measured against all of Lower Connecticut River Valley County, it is worth more than 60% 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 17 Derby Rd, Rockfall, CT?

The 2025 property tax bill for 17 Derby Rd, Rockfall, CT was $9,408. The county assessed it at $315,700.

More homes on Derby Rd

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Assigned schools

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