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Single Family ResidenceResidential
$515,547$212 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $283,500 on Dec 20, 2004

12 ROCK BROOK RD

HARWINTON, CT 06791
4
Beds
2 / 2
Baths
2,428 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.
1.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$516K
$497K low$534K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$283,500 · Dec 20, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,255 (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.$270,770 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$70,930
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$199,840
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$270,770
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$461,237

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.
16
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.
37
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.1.49
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.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.In-Ground Pool
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(6)

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 · 1.8 mi
H
Lewis S. Mills High SchoolA
High · Grades 9–12 · 3.6 mi
M
Har-Bur Middle SchoolA-
Middle · Grades 5–8 · 3.6 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

12 Rock Brook 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 66% of homes in Harwinton 06791
  • Costs less per square foot than 82% of homes in Harwinton 06791
  • Bigger than 76% of homes in Harwinton 06791

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
$249K$964K

This home is worth more than 66% 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$515,547
CheaperTypical $445,122Pricier

Pricier than 66% of homes nearby

Price per ft²$212
CheaperTypical $256Pricier

Pricier than 18% of homes nearby

Living area2,428 ft²
SmallerTypical 1,754 ft²Bigger

Bigger than 76% of homes nearby

Lot size1.49 ac
SmallerTypical 2 acBigger

Bigger than 41% of homes nearby

Year built1974
OlderTypical 1970Newer

Newer than 57% of homes nearby

How 12 Rock Brook Rd ranks against every home in each area.
MeasureThis homeHarwinton 06791Northwest Hills County
Estimated valuepricier than$515,54766% of homes63% of homes
Price per ft²pricier than$21218% of homes25% of homes
Living areabigger than2,428 ft²76% of homes76% of homes
Lot sizebigger than1.49 ac41% of homes56% of homes
Year builtnewer than197457% of homes56% of homes

About 12 Rock Brook Rd

How much is 12 Rock Brook Rd, Harwinton, CT worth?

The TopHap Estimate for 12 Rock Brook Rd, Harwinton, CT is $515,547 as of Oct 21, 2026. The likely range is $497,107 to $533,987. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Rock Brook Rd, Harwinton, CT last sell?

12 Rock Brook Rd, Harwinton, CT last sold on Dec 20, 2004 for $283,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 12 Rock Brook Rd, Harwinton, CT?

12 Rock Brook Rd, Harwinton, CT has 4 bedrooms, 2 bathrooms, 2,428 square feet of living space and a 1.49-acre lot.

When was 12 Rock Brook Rd, Harwinton, CT built?

12 Rock Brook Rd, Harwinton, CT was built in 1974, making it 52 years old. It is a colonial home. The building has 2 stories.

What schools serve 12 Rock Brook Rd, Harwinton, CT?

12 Rock Brook Rd, 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 12 Rock Brook Rd, Harwinton, CT compare to other homes in Harwinton 06791?

Among the 2,313 homes in Harwinton 06791, it is worth more than 66% of them ($515,547 against a typical $445,122), its price per square foot is higher than 18% of them ($212 against a typical $256), it is bigger than 76% of them (2,428 ft² against a typical 1,754 ft²), its lot is bigger than 41% of them (1.49 ac against a typical 2 ac) and it is newer than 57% of them (1974 against a typical 1970). Measured against all of Northwest Hills County, it is worth more than 63% 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 12 Rock Brook Rd, Harwinton, CT?

The 2026 property tax bill for 12 Rock Brook Rd, Harwinton, CT was $6,255. The county assessed it at $270,770.

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