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CondominiumResidential
Last sold for $455,000 on Jan 5, 2011

15 1/2 WATER ST

MYSTIC, CT 06355
1830
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 183015 units1,264–1,314 ft²
$16M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$1.1M
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$845
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+111.4%vs the Mystic ZIP median sale $/ft² ($400)

Sales Performance

—
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+5.4%per yeartypical hold 8.0 yrsfrom 24 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19881991199720022006201120152022
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19881991199720022006201120152022

41 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$878K$1.1M$1.2M$1.4M1,264 ft²1,274 ft²1,284 ft²1,294 ft²1,304 ft²1,314 ft²
1 bd2 bd3 bd
1 bed
1 unit
2 bed
13 units
3 bed
1 unit
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
2 bd · 2 ba · 1,264 ft²
3 units
2 bd · 2 ba · 1,276 ft²
3 units
2 bd · 2 ba · 1,306 ft²
3 units
2 bd · 2 ba · 1,314 ft²
3 units
One-off layouts
3 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$878K–$878K
1 unit
$1M–$1M
1 unit
$1M–$1.1M
4 units
$1.1M–$1.1M
6 units
$1.2M–$1.2M
1 unit
$1.2M–$1.2M
1 unit
$1.4M–$1.4M
1 unit

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.53%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.20%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.12.4 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.100%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.13%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$701,949
Median tax billThe middle annual property tax bill among the building's units.$12,863
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 11May 23, 2022$950,000Unit 3Oct 5, 2021$615,000Unit 10Jun 2, 2021$879,000Unit 11Aug 24, 2017$483,000Unit 14Jul 14, 2015$570,000Unit 4Jun 17, 2015$522,000Unit 3Apr 14, 2015$399,300Unit 6May 19, 2014$950,000Unit 9May 19, 2014$450,000Unit 7May 19, 2014$950,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,509 (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.$459,550 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$137,865
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$321,685
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$321,685

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.47
93
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
0
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
48
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
81
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.72 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.79%
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountySOUTHEASTERN CONNECTICUT
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Composition (rolled Mineral Roof)
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
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.No

Transaction History(5)

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
Thames River Magnet SchoolC+
Elementary · Grades PK–5 · 1.6 mi
M
Groton Middle SchoolC
Middle · Grades 6–8 · 3.7 mi
H
Robert E. Fitch High SchoolC+
High · Grades 9–12 · 3.9 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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

15 1/2 Water St
2 bd · 2.5 ba · 1,306 ft²
$1.1M
15 1/2 Water St
2 bd · 2 ba · 1,276 ft²
$1.1M
15 1/2 Water St
2 bd · 2 ba · 1,264 ft²
$1M
15 1/2 Water St # 3
2 bd · 2 ba · 1,306 ft²
$878K
15 1/2 Water St # 4
2 bd · 2 ba · 1,314 ft²
$1.4M
15 1/2 Water St
2 bd · 2 ba · 1,276 ft²
$1.1M
15 1/2 Water St # 6
1 bd · 1.5 ba · 1,264 ft²
$1M
15 1/2 Water St # 7
2 bd · 1 ba · 1,306 ft²
$1M
15 1/2 Water St # 8
2 bd · 2 ba · 1,314 ft²
$1.1M
15 1/2 Water St # 9
2 bd · 2 ba · 1,276 ft²
$1.1M
15 1/2 Water St # 10
2 bd · 2 ba · 1,264 ft²
$1.1M
15 1/2 Water St # 11
2 bd · 2 ba · 1,306 ft²
$1M
15 1/2 Water St # 12
2 bd · 2 ba · 1,314 ft²
$1.1M
15 1/2 Water St # 13
3 bd · 2 ba · 1,276 ft²
$1.2M
15 1/2 Water St # 14
2 bd · 2 ba · 1,264 ft²
$1.2M
15 1/2 Water St # 16
2 bd · 2 ba · 1,306 ft²
$1.1M

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 15 1/2 Water St

How many units are in 15 1/2 Water St, Mystic, CT?

15 1/2 Water St, Mystic, CT has 15 residential units across built in 1830, according to county assessor records.

What is a unit at 15 1/2 Water St, Mystic, CT worth?

The median TopHap Estimate across the 15 units at 15 1/2 Water St, Mystic, CT is $1,098,185. That works out to $845 per square foot. Units run from 1,264 to 1,314 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 15 1/2 Water St, Mystic, CT expensive for Mystic?

Units at 15 1/2 Water St, Mystic, CT carry a median of $845 per square foot, 111% above the Mystic median of $400 per square foot.

How often do units sell at 15 1/2 Water St, Mystic, CT?

0 units at 15 1/2 Water St, Mystic, CT sold in the last 12 months, out of 41 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 15 1/2 Water St, Mystic, CT appreciated?

Across 24 repeat sales of the same unit, 15 1/2 Water St, Mystic, CT returned a median 5.4% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 8.0 years.

What floor plans does 15 1/2 Water St, Mystic, CT have?

The most common plan at 15 1/2 Water St, Mystic, CT is a 2-bedroom of 1,264 square feet, repeated 3 times, with a median estimate of $1,113,438. TopHap identifies 4 recurring plans in the building.

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