Skip to content
Skip to content
TopHapOpen in map
Vacant LandVacant Land

18 CORNWALL AVE

PROSPECT, CT 06712
0
Baths
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$100 (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.$3,920 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,920
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,910
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,744

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.27 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.Vacant Land
CountyNAUGATUCK VALLEY
Lot (acres)The size of the land the home sits on, from county records.0.46
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Prospect Elementary SchoolB+
Elementary · Grades KG–5 · 1.9 mi
M
Long River Middle SchoolB
Middle · Grades 6–8 · 1.9 mi
H
Woodland Regional High SchoolB
High · Grades 9–12 · 9.2 mi

District: Regional School District 16

Neighborhood · ZIP 06712These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
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.9,938
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.690 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$123,145
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,530
Average tempThe average temperature here across a full year.49°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%

Owner Tools

Do you own this home?
Claim this home

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 Cornwall Ave 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.

  • Has a smaller lot than 82% of homes in Prospect 06712

How it measures up in Prospect 06712

The dot is this home. The mark in the middle is the typical home in Prospect 06712.

Lot size0.46 ac
SmallerTypical 0.93 acBigger

Bigger than 18% of homes nearby

How 18 Cornwall Ave ranks against every home in each area.
MeasureThis homeProspect 06712Naugatuck Valley County
Lot sizebigger than0.46 ac18% of homes57% of homes

About 18 Cornwall Ave

When did 18 Cornwall Ave, Prospect, CT last sell?

18 Cornwall Ave, Prospect, CT last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 18 Cornwall Ave, Prospect, CT?

18 Cornwall Ave, Prospect, CT is assigned to Prospect Elementary School (elementary), rated B+; Long River Middle School (middle), rated B; Woodland Regional High School (high), rated B. All sit in Regional School District 16. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 18 Cornwall Ave, Prospect, CT?

The 2025 property tax bill for 18 Cornwall Ave, Prospect, CT was $100. The county assessed it at $3,920.

More homes on Cornwall Ave

Closest homes

More homes in Prospect 06712

Assigned schools

Explore the area

See this home in context

Open 18 Cornwall Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map