Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$866,120$397 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

1 PROSPECT ST

MYSTIC, CT 06355
4
Beds
2.5
Baths
2,180 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.
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.
1873
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

$866K
$781K low$951K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$666,120
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$532,896
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.24%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$200,000
CHELSEA GROTON BANK · recorded Oct 3, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,497 (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.$385,630 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$233,583
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$152,047
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$385,630
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$269,941

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySOUTHEASTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.41
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Mystic River Magnet SchoolC
Elementary · Grades PK–5 · 0.8 mi
H
Robert E. Fitch High SchoolC
High · Grades 9–12 · 2.0 mi
M
Groton Middle SchoolC
Middle · Grades 6–8 · 2.0 mi

District: Groton School District

Neighborhood · ZIP 06355These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.55

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.91%
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.3.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.10,797
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.722 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,279
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,807
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

1 Prospect St 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 94% of homes in Southeastern Connecticut County
  • Costs more per square foot than 90% of homes in Southeastern Connecticut County
  • Bigger than 78% of homes in Southeastern Connecticut County
  • Older than 96% of homes in Southeastern Connecticut County

What homes are worth in Mystic 06355

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

This home
$287K$2.1M

This home is worth more than 83% of homes in Mystic 06355.

How it measures up in Mystic 06355

The dot is this home. The mark in the middle is the typical home in Mystic 06355.

Estimated value$866,120
CheaperTypical $570,019Pricier

Pricier than 83% of homes nearby

Price per ft²$397
CheaperTypical $331Pricier

Pricier than 74% of homes nearby

Living area2,180 ft²
SmallerTypical 1,724 ft²Bigger

Bigger than 72% of homes nearby

Lot size0.41 ac
SmallerTypical 0.39 acBigger

Bigger than 52% of homes nearby

Year built1873
OlderTypical 1968Newer

Newer than 6% of homes nearby

How 1 Prospect St ranks against every home in each area.
MeasureThis homeMystic 06355Southeastern Connecticut County
Estimated valuepricier than$866,12083% of homes94% of homes
Price per ft²pricier than$39774% of homes90% of homes
Living areabigger than2,180 ft²72% of homes78% of homes
Lot sizebigger than0.41 ac52% of homes41% of homes
Year builtnewer than18736% of homes4% of homes

About 1 Prospect St

How much is 1 Prospect St, Mystic, CT worth?

The TopHap Estimate for 1 Prospect St, Mystic, CT is $866,120 as of Jul 14, 2026. The likely range is $780,843 to $951,397. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1 Prospect St, Mystic, CT last sell?

1 Prospect St, Mystic, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1 Prospect St, Mystic, CT?

1 Prospect St, Mystic, CT has 4 bedrooms, 2.5 bathrooms, 2,180 square feet of living space and a 0.41-acre lot.

When was 1 Prospect St, Mystic, CT built?

1 Prospect St, Mystic, CT was built in 1873, making it 153 years old. The building has 2 stories.

What schools serve 1 Prospect St, Mystic, CT?

1 Prospect St, Mystic, CT is assigned to Mystic River Magnet School (elementary), rated C; Robert E. Fitch High School (high), rated C; Groton Middle School (middle), rated C. All sit in Groton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1 Prospect St, Mystic, CT compare to other homes in Mystic 06355?

Among the 5,148 homes in Mystic 06355, it is worth more than 83% of them ($866,120 against a typical $570,019), its price per square foot is higher than 74% of them ($397 against a typical $331), it is bigger than 72% of them (2,180 ft² against a typical 1,724 ft²), its lot is bigger than 52% of them (0.41 ac against a typical 0.39 ac) and it is newer than 6% of them (1873 against a typical 1968). Measured against all of Southeastern Connecticut County, it is worth more than 94% 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 1 Prospect St, Mystic, CT?

The 2025 property tax bill for 1 Prospect St, Mystic, CT was $10,497. The county assessed it at $385,630.

Closest homes

More homes in Mystic 06355

Assigned schools

Explore the area

See this home in context

Open 1 Prospect St 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