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Single Family ResidenceResidential
$536,163$144 / 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
Last sold for $489,900 on Mar 31, 2025

18 ROY MOUNTAIN RD

PROSPECT, CT 06712
3
Beds
3.5
Baths
3,721 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$536K
$508K low$564K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$489,900 · Mar 31, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,364 (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.$434,280 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$91,910
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$342,370
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$434,280
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$707,000

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.Contemporary
CountyNAUGATUCK VALLEY
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2010
Lot (acres)The size of the land the home sits on, from county records.1.00
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
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, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)
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(7)

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 SchoolA-
Elementary · Grades KG–5 · 1.0 mi
M
Long River Middle SchoolA-
Middle · Grades 6–8 · 1.7 mi
H
Woodland Regional High SchoolB+
High · Grades 9–12 · 7.6 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%

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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 Roy Mountain 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 77% of homes in Naugatuck Valley County
  • Among the lowest price per square foot in Prospect 06712
  • Bigger than 98% of homes in Prospect 06712
  • Has a bigger lot than 79% of homes in Naugatuck Valley County
  • Newer than 84% of homes in Naugatuck Valley County

What homes are worth in Prospect 06712

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

This home
$291K$736K

This home is worth more than 67% 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.

Estimated value$536,163
CheaperTypical $479,220Pricier

Pricier than 67% of homes nearby

Price per ft²$144
CheaperTypical $277Pricier

Cheaper than almost all homes nearby

Living area3,721 ft²
SmallerTypical 1,646 ft²Bigger

Bigger than 98% of homes nearby

Lot size1 ac
SmallerTypical 0.93 acBigger

Bigger than 60% of homes nearby

Year built1993
OlderTypical 1983Newer

Newer than 70% of homes nearby

How 18 Roy Mountain Rd ranks against every home in each area.
MeasureThis homeProspect 06712Naugatuck Valley County
Estimated valuepricier than$536,16367% of homes77% of homes
Price per ft²pricier than$144almost no homes2% of homes
Living areabigger than3,721 ft²98% of homes98% of homes
Lot sizebigger than1 ac60% of homes79% of homes
Year builtnewer than199370% of homes84% of homes

About 18 Roy Mountain Rd

How much is 18 Roy Mountain Rd, Prospect, CT worth?

The TopHap Estimate for 18 Roy Mountain Rd, Prospect, CT is $536,163 as of Sep 24, 2026. The likely range is $508,277 to $564,049. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Roy Mountain Rd, Prospect, CT last sell?

18 Roy Mountain Rd, Prospect, CT last sold on Mar 31, 2025 for $489,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18 Roy Mountain Rd, Prospect, CT?

18 Roy Mountain Rd, Prospect, CT has 3 bedrooms, 3.5 bathrooms, 3,721 square feet of living space and a 1.00-acre lot.

When was 18 Roy Mountain Rd, Prospect, CT built?

18 Roy Mountain Rd, Prospect, CT was built in 1993, making it 33 years old. It is a contemporary home. The building has 2 stories.

What schools serve 18 Roy Mountain Rd, Prospect, CT?

18 Roy Mountain Rd, Prospect, CT is assigned to Prospect Elementary School (elementary), rated A-; Long River Middle School (middle), rated A-; 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.

How does 18 Roy Mountain Rd, Prospect, CT compare to other homes in Prospect 06712?

Among the 3,652 homes in Prospect 06712, it is worth more than 67% of them ($536,163 against a typical $479,220), its price per square foot is higher than almost none of them ($144 against a typical $277), it is bigger than 98% of them (3,721 ft² against a typical 1,646 ft²), its lot is bigger than 60% of them (1 ac against a typical 0.93 ac) and it is newer than 70% of them (1993 against a typical 1983). Measured against all of Naugatuck Valley County, it is worth more than 77% 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 Roy Mountain Rd, Prospect, CT?

The 2026 property tax bill for 18 Roy Mountain Rd, Prospect, CT was $12,364. The county assessed it at $434,280.

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