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Single Family ResidenceResidential
$883,758$272 / 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 $590,000 on Aug 30, 2016

18 AVALON LN

MARLBOROUGH, CT 06447
4
Beds
3.5
Baths
3,246 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.
1.18 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
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

$884K
$846K low$921K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$590,000 · Aug 30, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,666 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$362,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$77,140
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$284,960
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$253,470

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
CountyCAPITOL
Lot (acres)The size of the land the home sits on, from county records.1.18
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
PoolWhether the property has a pool, and what kind, such as in-ground.Pool W/Hot Tub/Spa
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(2)

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
Elmer Thienes-Mary Hall Elementary SchoolB+
Elementary · Grades PK–6 · 1.5 mi
M
Rham Middle SchoolB+
Middle · Grades 7–8 · 4.7 mi
H
Rham High SchoolB+
High · Grades 9–12 · 4.8 mi

District: Marlborough School District

Neighborhood · ZIP 06447These 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.51
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.6,131
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.261 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$142,593
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,914
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

18 Avalon 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 96% of homes in Capitol County
  • Bigger than 93% of homes in Capitol County
  • Has a bigger lot than 82% of homes in Capitol County
  • Newer than 94% of homes in Capitol County

What homes are worth in Marlborough 06447

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

This home
$268K$1M

This home is worth more than 95% of homes in Marlborough 06447.

How it measures up in Marlborough 06447

The dot is this home. The mark in the middle is the typical home in Marlborough 06447.

Estimated value$883,758
CheaperTypical $475,421Pricier

Pricier than 95% of homes nearby

Price per ft²$272
CheaperTypical $258Pricier

Pricier than 61% of homes nearby

Living area3,246 ft²
SmallerTypical 1,872 ft²Bigger

Bigger than 91% of homes nearby

Lot size1.18 ac
SmallerTypical 1.41 acBigger

Bigger than 30% of homes nearby

Year built2004
OlderTypical 1977Newer

Newer than 92% of homes nearby

How 18 Avalon Ln ranks against every home in each area.
MeasureThis homeMarlborough 06447Capitol County
Estimated valuepricier than$883,75895% of homes96% of homes
Price per ft²pricier than$27261% of homes62% of homes
Living areabigger than3,246 ft²91% of homes93% of homes
Lot sizebigger than1.18 ac30% of homes82% of homes
Year builtnewer than200492% of homes94% of homes

About 18 Avalon Ln

How much is 18 Avalon Ln, Marlborough, CT worth?

The TopHap Estimate for 18 Avalon Ln, Marlborough, CT is $883,758 as of Oct 21, 2026. The likely range is $846,287 to $921,229. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Avalon Ln, Marlborough, CT last sell?

18 Avalon Ln, Marlborough, CT last sold on Aug 30, 2016 for $590,000, according to the county's recorded deed.

How big is 18 Avalon Ln, Marlborough, CT?

18 Avalon Ln, Marlborough, CT has 4 bedrooms, 3.5 bathrooms, 3,246 square feet of living space and a 1.18-acre lot.

When was 18 Avalon Ln, Marlborough, CT built?

18 Avalon Ln, Marlborough, CT was built in 2004, making it 22 years old. It is a colonial home. The building has 2 stories.

What schools serve 18 Avalon Ln, Marlborough, CT?

18 Avalon Ln, Marlborough, CT is assigned to Elmer Thienes-Mary Hall Elementary School (elementary), rated B+; Rham Middle School (middle), rated B+; Rham High School (high), rated B+. All sit in Marlborough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Avalon Ln, Marlborough, CT compare to other homes in Marlborough 06447?

Among the 2,332 homes in Marlborough 06447, it is worth more than 95% of them ($883,758 against a typical $475,421), its price per square foot is higher than 61% of them ($272 against a typical $258), it is bigger than 91% of them (3,246 ft² against a typical 1,872 ft²), its lot is bigger than 30% of them (1.18 ac against a typical 1.41 ac) and it is newer than 92% of them (2004 against a typical 1977). Measured against all of Capitol County, it is worth more than 96% 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 18 Avalon Ln, Marlborough, CT?

The 2024 property tax bill for 18 Avalon Ln, Marlborough, CT was $13,666. The county assessed it at $362,100.

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