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Single Family ResidenceResidential
$450,518$255 / 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 95How 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

4 TRELLI LN

BRISTOL, CT 06010
3
Beds
2.5
Baths
1,764 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.
0.54 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$451K
$430K low$471K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,070 (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.$239,120 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$70,070
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$169,050
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$239,120
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$167,384

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.
10
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
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.
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
CountyNAUGATUCK VALLEY
Lot (acres)The size of the land the home sits on, from county records.0.54
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.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(4)

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
Greene-Hills SchoolC
Elementary · Grades KG–8 · 0.7 mi
H
Bristol Central High SchoolC-
High · Grades 9–12 · 3.5 mi

District: Bristol School District

Neighborhood · ZIP 06010These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.68

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.62,379
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,338 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,481
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,924
Average tempThe average temperature here across a full year.48°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%

Owner Tools

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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

4 Trelli Ln 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 85% of homes in Bristol 06010
  • Bigger than 71% of homes in Bristol 06010
  • Has a bigger lot than 81% of homes in Bristol 06010
  • Newer than 79% of homes in Bristol 06010

What homes are worth in Bristol 06010

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

This home
$164K$672K

This home is worth more than 85% of homes in Bristol 06010.

How it measures up in Bristol 06010

The dot is this home. The mark in the middle is the typical home in Bristol 06010.

Estimated value$450,518
CheaperTypical $335,480Pricier

Pricier than 85% of homes nearby

Price per ft²$255
CheaperTypical $242Pricier

Pricier than 60% of homes nearby

Living area1,764 ft²
SmallerTypical 1,370 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.54 ac
SmallerTypical 0.29 acBigger

Bigger than 81% of homes nearby

Year built1986
OlderTypical 1965Newer

Newer than 79% of homes nearby

How 4 Trelli Ln ranks against every home in each area.
MeasureThis homeBristol 06010Naugatuck Valley County
Estimated valuepricier than$450,51885% of homes64% of homes
Price per ft²pricier than$25560% of homes47% of homes
Living areabigger than1,764 ft²71% of homes63% of homes
Lot sizebigger than0.54 ac81% of homes61% of homes
Year builtnewer than198679% of homes74% of homes

About 4 Trelli Ln

How much is 4 Trelli Ln, Bristol, CT worth?

The TopHap Estimate for 4 Trelli Ln, Bristol, CT is $450,518 as of Sep 24, 2026. The likely range is $429,693 to $471,343. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Trelli Ln, Bristol, CT last sell?

4 Trelli Ln, Bristol, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 Trelli Ln, Bristol, CT?

4 Trelli Ln, Bristol, CT has 3 bedrooms, 2.5 bathrooms, 1,764 square feet of living space and a 0.54-acre lot.

When was 4 Trelli Ln, Bristol, CT built?

4 Trelli Ln, Bristol, CT was built in 1986, making it 40 years old. It is a colonial home. The building has 2 stories.

What schools serve 4 Trelli Ln, Bristol, CT?

4 Trelli Ln, Bristol, CT is assigned to Greene-Hills School (elementary), rated C; Bristol Central High School (high), rated C-. All sit in Bristol School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Trelli Ln, Bristol, CT compare to other homes in Bristol 06010?

Among the 19,325 homes in Bristol 06010, it is worth more than 85% of them ($450,518 against a typical $335,480), its price per square foot is higher than 60% of them ($255 against a typical $242), it is bigger than 71% of them (1,764 ft² against a typical 1,370 ft²), its lot is bigger than 81% of them (0.54 ac against a typical 0.29 ac) and it is newer than 79% of them (1986 against a typical 1965). Measured against all of Naugatuck Valley County, it is worth more than 64% 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 4 Trelli Ln, Bristol, CT?

The 2025 property tax bill for 4 Trelli Ln, Bristol, CT was $8,070. The county assessed it at $239,120.

More homes on Trelli Ln

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