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Single Family ResidenceResidential
$1,020,162$298 / 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 93How 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
Last sold for $655,000 on Jun 27, 2007

251 GREY ROCK RD

SOUTHBURY, CT 06488
4
Beds
3.5
Baths
3,421 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.
10.12 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
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

$1M
$948K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$655,000 · Jun 27, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,662 (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.$564,540 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$158,790
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$405,750
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$564,540
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$395,178

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyNAUGATUCK VALLEY
Lot (acres)The size of the land the home sits on, from county records.10.12
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
CoolingThe type of cooling or air conditioning in the home.Yes
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.Pool W/Hot Tub/Spa

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
Pomperaug Elementary SchoolA-
Elementary · Grades PK–5 · 0.4 mi
M
Rochambeau Middle SchoolB+
Middle · Grades 6–8 · 0.5 mi
H
Pomperaug Regional High SchoolA
High · Grades 9–12 · 4.5 mi

District: Regional School District 15

Neighborhood · ZIP 06488These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
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.20,305
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.511 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,384
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,508
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.58%

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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

251 Grey Rock 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.

  • Among the most valuable homes in Naugatuck Valley County
  • Costs more per square foot than 77% of homes in Southbury 06488
  • Bigger than 96% of homes in Naugatuck Valley County
  • Among the largest lots in Naugatuck Valley County
  • Newer than 95% of homes in Southbury 06488

What homes are worth in Southbury 06488

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

This home
$200K$1M

This home is worth more than 98% of homes in Southbury 06488.

How it measures up in Southbury 06488

The dot is this home. The mark in the middle is the typical home in Southbury 06488.

Estimated value$1,020,162
CheaperTypical $459,654Pricier

Pricier than 98% of homes nearby

Price per ft²$298
CheaperTypical $256Pricier

Pricier than 77% of homes nearby

Living area3,421 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 92% of homes nearby

Lot size10.12 ac
SmallerTypical 1.62 acBigger

Bigger than 98% of homes nearby

Year built2005
OlderTypical 1974Newer

Newer than 95% of homes nearby

How 251 Grey Rock Rd ranks against every home in each area.
MeasureThis homeSouthbury 06488Naugatuck Valley County
Estimated valuepricier than$1,020,16298% of homesalmost all homes
Price per ft²pricier than$29877% of homes73% of homes
Living areabigger than3,421 ft²92% of homes96% of homes
Lot sizebigger than10.12 ac98% of homesalmost all homes
Year builtnewer than200595% of homes94% of homes

About 251 Grey Rock Rd

How much is 251 Grey Rock Rd, Southbury, CT worth?

The TopHap Estimate for 251 Grey Rock Rd, Southbury, CT is $1,020,162 as of Aug 30, 2026. The likely range is $948,097 to $1,092,227. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 251 Grey Rock Rd, Southbury, CT last sell?

251 Grey Rock Rd, Southbury, CT last sold on Jun 27, 2007 for $655,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 251 Grey Rock Rd, Southbury, CT?

251 Grey Rock Rd, Southbury, CT has 4 bedrooms, 3.5 bathrooms, 3,421 square feet of living space and a 10.12-acre lot.

When was 251 Grey Rock Rd, Southbury, CT built?

251 Grey Rock Rd, Southbury, CT was built in 2005, making it 21 years old. It is a colonial home. The building has 2 stories.

What schools serve 251 Grey Rock Rd, Southbury, CT?

251 Grey Rock Rd, Southbury, CT is assigned to Pomperaug Elementary School (elementary), rated A-; Rochambeau Middle School (middle), rated B+; Pomperaug Regional High School (high), rated A. All sit in Regional School District 15. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 251 Grey Rock Rd, Southbury, CT compare to other homes in Southbury 06488?

Among the 8,285 homes in Southbury 06488, it is worth more than 98% of them ($1,020,162 against a typical $459,654), its price per square foot is higher than 77% of them ($298 against a typical $256), it is bigger than 92% of them (3,421 ft² against a typical 1,632 ft²), its lot is bigger than 98% of them (10.12 ac against a typical 1.62 ac) and it is newer than 95% of them (2005 against a typical 1974). Measured against all of Naugatuck Valley County, it is worth more than almost all 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 251 Grey Rock Rd, Southbury, CT?

The 2025 property tax bill for 251 Grey Rock Rd, Southbury, CT was $13,662. The county assessed it at $564,540.

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