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Single Family ResidenceResidential
$637,979$364 / 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 91How 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 $555,000 on Mar 28, 2025

4 PATTERSON PL

OLD SAYBROOK, CT 06475
3
Beds
2.5
Baths
1,752 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$638K
$581K low$695K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$555,000 · Mar 28, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,468 (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.$352,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$116,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$236,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$352,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$246,960

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.38
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
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.22 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
CountyLOWER CONNECTICUT RIVER VALLEY
Lot (acres)The size of the land the home sits on, from county records.0.55
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
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(8)

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.

M
Old Saybrook Middle SchoolA
Middle · Grades 5–8 · 1.5 mi
E
Kathleen E. Goodwin SchoolB-
Elementary · Grades PK–4 · 1.9 mi
H
Old Saybrook Senior High SchoolA-
High · Grades 9–12 · 2.2 mi

District: Old Saybrook School District

Neighborhood · ZIP 06475These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
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.8,754
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.448 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,477
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,402
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

4 Patterson Pl 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 less than 74% of homes in Old Saybrook 06475
  • Costs less per square foot than 86% of homes in Old Saybrook 06475
  • Has a bigger lot than 65% of homes in Old Saybrook 06475
  • Newer than 82% of homes in Old Saybrook 06475

What homes are worth in Old Saybrook 06475

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

This home
$362K$2.9M

This home is worth more than 26% of homes in Old Saybrook 06475.

How it measures up in Old Saybrook 06475

The dot is this home. The mark in the middle is the typical home in Old Saybrook 06475.

Estimated value$637,979
CheaperTypical $787,568Pricier

Pricier than 26% of homes nearby

Price per ft²$364
CheaperTypical $499Pricier

Pricier than 14% of homes nearby

Living area1,752 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.55 ac
SmallerTypical 0.39 acBigger

Bigger than 65% of homes nearby

Year built1987
OlderTypical 1964Newer

Newer than 82% of homes nearby

How 4 Patterson Pl ranks against every home in each area.
MeasureThis homeOld Saybrook 06475Lower Connecticut River Valley County
Estimated valuepricier than$637,97926% of homes71% of homes
Price per ft²pricier than$36414% of homes75% of homes
Living areabigger than1,752 ft²55% of homes55% of homes
Lot sizebigger than0.55 ac65% of homes44% of homes
Year builtnewer than198782% of homes73% of homes

About 4 Patterson Pl

How much is 4 Patterson Pl, Old Saybrook, CT worth?

The TopHap Estimate for 4 Patterson Pl, Old Saybrook, CT is $637,979 as of Sep 24, 2026. The likely range is $580,920 to $695,038. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Patterson Pl, Old Saybrook, CT last sell?

4 Patterson Pl, Old Saybrook, CT last sold on Mar 28, 2025 for $555,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 4 Patterson Pl, Old Saybrook, CT?

4 Patterson Pl, Old Saybrook, CT has 3 bedrooms, 2.5 bathrooms, 1,752 square feet of living space and a 0.55-acre lot.

When was 4 Patterson Pl, Old Saybrook, CT built?

4 Patterson Pl, Old Saybrook, CT was built in 1987, making it 39 years old. It is a contemporary home. The building has 2 stories.

What schools serve 4 Patterson Pl, Old Saybrook, CT?

4 Patterson Pl, Old Saybrook, CT is assigned to Old Saybrook Middle School (middle), rated A; Kathleen E. Goodwin School (elementary), rated B-; Old Saybrook Senior High School (high), rated A-. All sit in Old Saybrook School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Patterson Pl, Old Saybrook, CT compare to other homes in Old Saybrook 06475?

Among the 5,416 homes in Old Saybrook 06475, it is worth more than 26% of them ($637,979 against a typical $787,568), its price per square foot is higher than 14% of them ($364 against a typical $499), it is bigger than 55% of them (1,752 ft² against a typical 1,632 ft²), its lot is bigger than 65% of them (0.55 ac against a typical 0.39 ac) and it is newer than 82% of them (1987 against a typical 1964). Measured against all of Lower Connecticut River Valley County, it is worth more than 71% 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 4 Patterson Pl, Old Saybrook, CT?

The 2025 property tax bill for 4 Patterson Pl, Old Saybrook, CT was $5,468. The county assessed it at $352,800.

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