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Single Family ResidenceResidential
$662,000$279 / 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 Sep 24, 2026
Last sold for $469,950 on Aug 16, 2010

42 ROCKY RD W

HARWINTON, CT 06791
4
Beds
2.5
Baths
2,373 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.
3.62 ac
Lot SizeThe size of the land the home sits on, from county records.
2009
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$662K
$596K low$728K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$469,950 · Aug 16, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,630 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$373,610 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$94,290
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$279,320
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$373,610
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$625,189

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.40
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.
57
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.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyNORTHWEST HILLS
Lot (acres)The size of the land the home sits on, from county records.3.62
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Harwinton Consolidated SchoolB+
Elementary · Grades PK–4 · 3.7 mi
H
Lewis S. Mills High SchoolA
High · Grades 9–12 · 5.1 mi
M
Har-Bur Middle SchoolA-
Middle · Grades 5–8 · 5.1 mi

District: Regional School District 10

Neighborhood · ZIP 06791These 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.57
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.62

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
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.5,135
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.166 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,415
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,457
Average tempThe average temperature here across a full year.47°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

42 Rocky Rd W 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 87% of homes in Harwinton 06791
  • Costs more per square foot than 69% of homes in Harwinton 06791
  • Bigger than 75% of homes in Northwest Hills County
  • Has a bigger lot than 77% of homes in Northwest Hills County
  • Newer than 96% of homes in Northwest Hills County

What homes are worth in Harwinton 06791

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

This home
$251K$911K

This home is worth more than 87% of homes in Harwinton 06791.

How it measures up in Harwinton 06791

The dot is this home. The mark in the middle is the typical home in Harwinton 06791.

Estimated value$662,000
CheaperTypical $435,864Pricier

Pricier than 87% of homes nearby

Price per ft²$279
CheaperTypical $250Pricier

Pricier than 69% of homes nearby

Living area2,373 ft²
SmallerTypical 1,741 ft²Bigger

Bigger than 74% of homes nearby

Lot size3.62 ac
SmallerTypical 2 acBigger

Bigger than 74% of homes nearby

Year built2009
OlderTypical 1970Newer

Newer than 94% of homes nearby

How 42 Rocky Rd W ranks against every home in each area.
MeasureThis homeHarwinton 06791Northwest Hills County
Estimated valuepricier than$662,00087% of homes76% of homes
Price per ft²pricier than$27969% of homes60% of homes
Living areabigger than2,373 ft²74% of homes75% of homes
Lot sizebigger than3.62 ac74% of homes77% of homes
Year builtnewer than200994% of homes96% of homes

About 42 Rocky Rd W

How much is 42 Rocky Rd W, Harwinton, CT worth?

The TopHap Estimate for 42 Rocky Rd W, Harwinton, CT is $662,000 as of Sep 24, 2026. The likely range is $595,910 to $728,090. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42 Rocky Rd W, Harwinton, CT last sell?

42 Rocky Rd W, Harwinton, CT last sold on Aug 16, 2010 for $469,950, according to the county's recorded deed.

How big is 42 Rocky Rd W, Harwinton, CT?

42 Rocky Rd W, Harwinton, CT has 4 bedrooms, 2.5 bathrooms, 2,373 square feet of living space and a 3.62-acre lot.

When was 42 Rocky Rd W, Harwinton, CT built?

42 Rocky Rd W, Harwinton, CT was built in 2009, making it 17 years old. It is a colonial home. The building has 2 stories.

What schools serve 42 Rocky Rd W, Harwinton, CT?

42 Rocky Rd W, Harwinton, CT is assigned to Harwinton Consolidated School (elementary), rated B+; Lewis S. Mills High School (high), rated A; Har-Bur Middle School (middle), rated A-. All sit in Regional School District 10. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42 Rocky Rd W, Harwinton, CT compare to other homes in Harwinton 06791?

Among the 2,313 homes in Harwinton 06791, it is worth more than 87% of them ($662,000 against a typical $435,864), its price per square foot is higher than 69% of them ($279 against a typical $250), it is bigger than 74% of them (2,373 ft² against a typical 1,741 ft²), its lot is bigger than 74% of them (3.62 ac against a typical 2 ac) and it is newer than 94% of them (2009 against a typical 1970). Measured against all of Northwest Hills County, it is worth more than 76% 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 42 Rocky Rd W, Harwinton, CT?

The 2026 property tax bill for 42 Rocky Rd W, Harwinton, CT was $8,630. The county assessed it at $373,610.

More homes on Rocky Rd W

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