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Area data

Old lyme, CT — ZIP 06371

Population: 9,828 (Census ACS)

The median home value in ZIP 06371 (Old lyme, CT) is $705,483 — up 10.5% over the past year. Homes sell for a median $685,000 after a median 182 days on market. 5 schools serve the area (NCES). Cost of living is 7.0% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$705,483

Median home value

+10.5%

1-year change

182

Median days on market

Home values & appreciation

Median home value
$705,483
1-year appreciation
+10.5%
3-year appreciation
+19.8%
5-year appreciation
+46.0%
10-year appreciation
+96.8%
All-time peak (2026-07)
$705,483
House Price Index (state)
307.7 (+3.7% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$685,000
Median list price
$399,900
Median price per sqft
$432
1-year sale-price change
+59.3%
Median days on market
182 days
Homes sold (recent period)
1
For-sale inventory
53
Sale-to-list ratio
100.0%
Active listings
2
1-year forecast
+4.1%
Days to pending
28 days
New listings (monthly)
19

Source: recent area sales and market data (ZIP-level)

Rents

Studio fair-market rent
$1,680/mo
1BR fair-market rent
$1,920/mo
2BR fair-market rent
$2,430/mo
3BR fair-market rent
$2,910/mo
4BR fair-market rent
$3,310/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (Above Average)
107.0 (100 = US avg)
Electricity rate (state-level)
29.4¢/kWh
Natural gas rate (state-level)
$16.80/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
5
Elementary schools
2
Middle schools
1
High schools
1
Schools include
Center School, Lyme Consolidated School, Lyme-Old Lyme High School, Mile Creek School, Lyme-Old Lyme Middle School

Source: NCES school directory, 2022-23 (school-address-based)

Natural hazards & flood risk

FEMA flood zone
A08
Flood risk level
High
Radon potential (county)
High radon potential — EPA Zone 1 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
New London Submarine Base (12.5 mi)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
54.0°F
Average high
60.0°F
Average low
47.0°F
Annual precipitation
56.2 in
Annual snowfall
10.7 in
USDA plant hardiness zone
7a (extreme annual low 0 to 5°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
41
Days with Good air quality
258
Days with Moderate air quality
95
Days with Unhealthy air quality
3
Highest AQI recorded (year)
166

Source: EPA air quality data (nearest monitoring station, annual)

Walkability & transit

Walkability index
8.3 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
20,794
Jobs reachable by transit (45 min)
19,501

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
5
Nearest national park
Touro Synagogue National Historic Site (53 mi)
National parks include
Touro Synagogue National Historic Site, Springfield Armory National Historic Site, Roger Williams National Memorial
Airports within 30 mi
27
Nearest airport
Mile Creek Airport (4 mi)
Nearest major airport
Groton New London Airport (GON) (15 mi)
Hospitals nearby (~15 mi)
2
Hospitals include
LAWRENCE & MEMORIAL HOSPITAL, WILLIAM W BACKUS HOSPITAL
Avg hospital rating (CMS)
3.5 / 5
Best hospital rating nearby (CMS)
4.0 / 5
EV charging stations (within 10 mi)
63
Solar radiation rating
Fair (4.0 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Housing stock

Median year housing built
1,966
Housing built before 1970
54.7%
Housing built 2000 or later
9.2%
Median annual property tax
$6,438
Mean commute to work
21 min
Households with broadband internet
89.6%

Source: Census ACS 5-year estimates (ZIP-level)

How it compares

ZIP 06371State medianUS median
Median home value$705,483$447,200$289,727
Median sale price$685,000$450,000$325,000
Median days on market182 days39 days51 days
Median annual property tax$6,438$6,234$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in ZIP 06371?
$705,483.
What is the median sale price in ZIP 06371?
$685,000.
How long do homes take to sell in ZIP 06371?
Median days on market: 182 days.
What is typical rent in ZIP 06371?
2-bedroom fair-market rent: $2,430/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
Is ZIP 06371 in a flood zone?
High (FEMA NFIP). FEMA flood zone A08.
What is the radon potential in ZIP 06371?
High radon potential — EPA Zone 1 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 06371?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 06371?
5 schools (2 elementary, 1 middle, 1 high) (NCES, 2022-23).
Is ZIP 06371 walkable?
Walkability index: 8.3/20 (EPA Smart Location Database).
What is the air quality in ZIP 06371?
Good. Median AQI: 41. (EPA AQI).
What is the cost of living in ZIP 06371?
Regional Price Parity: 107.0 (100 = US average) (Above Average) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents